From: khartlage <khartlage>
Date: Tue, 24 Feb 2004 20:51:55 +0000 (+0000)
Subject: Eclipse 3M7
X-Git-Url: http://git.phpeclipse.com

Eclipse 3M7
---

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/core/JavaCore.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/core/JavaCore.java
new file mode 100644
index 0000000..6e8531b
--- /dev/null
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/core/JavaCore.java
@@ -0,0 +1,3238 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2003 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials 
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *     IBM Corporation - added the following constants:
+ *                                 COMPILER_PB_DEPRECATION_IN_DEPRECATED_CODE
+ *                                 COMPILER_PB_STATIC_ACCESS_RECEIVER
+ *                                 COMPILER_TASK_TAGS
+ *                                 CORE_CIRCULAR_CLASSPATH
+ *                                 CORE_INCOMPLETE_CLASSPATH
+ *     IBM Corporation - added run(IWorkspaceRunnable, IProgressMonitor)
+ *     IBM Corporation - added exclusion patterns to source classpath entries
+ *     IBM Corporation - added specific output location to source classpath entries
+ *     IBM Corporation - added the following constants:
+ *                                 CORE_JAVA_BUILD_CLEAN_OUTPUT_FOLDER
+ *                                 CLEAN
+ *     IBM Corporation - added getClasspathContainerInitializer(String)
+ *     IBM Corporation - added the following constants:
+ *                                 CODEASSIST_ARGUMENT_PREFIXES
+ *                                 CODEASSIST_ARGUMENT_SUFFIXES
+ *                                 CODEASSIST_FIELD_PREFIXES
+ *                                 CODEASSIST_FIELD_SUFFIXES
+ *                                 CODEASSIST_LOCAL_PREFIXES
+ *                                 CODEASSIST_LOCAL_SUFFIXES
+ *                                 CODEASSIST_STATIC_FIELD_PREFIXES
+ *                                 CODEASSIST_STATIC_FIELD_SUFFIXES
+ *                                 COMPILER_PB_CHAR_ARRAY_IN_STRING_CONCATENATION
+ *******************************************************************************/
+package net.sourceforge.phpdt.core;
+
+import java.util.Collection;
+import java.util.Enumeration;
+import java.util.HashSet;
+import java.util.Hashtable;
+import java.util.Map;
+
+import net.sourceforge.phpdt.internal.core.BatchOperation;
+import net.sourceforge.phpdt.internal.core.BufferManager;
+import net.sourceforge.phpdt.internal.core.JavaModel;
+import net.sourceforge.phpdt.internal.core.JavaModelManager;
+import net.sourceforge.phpdt.internal.core.Region;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IFolder;
+import org.eclipse.core.resources.IMarker;
+import org.eclipse.core.resources.IMarkerDelta;
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.IResourceChangeEvent;
+import org.eclipse.core.resources.IWorkspace;
+import org.eclipse.core.resources.IWorkspaceRoot;
+import org.eclipse.core.resources.IWorkspaceRunnable;
+import org.eclipse.core.resources.ResourcesPlugin;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IConfigurationElement;
+import org.eclipse.core.runtime.IExecutableExtension;
+import org.eclipse.core.runtime.IPluginDescriptor;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.Plugin;
+import org.eclipse.core.runtime.Preferences;
+
+
+/**
+ * The plug-in runtime class for the Java model plug-in containing the core
+ * (UI-free) support for Java projects.
+ * <p>
+ * Like all plug-in runtime classes (subclasses of <code>Plugin</code>), this
+ * class is automatically instantiated by the platform when the plug-in gets
+ * activated. Clients must not attempt to instantiate plug-in runtime classes
+ * directly.
+ * </p>
+ * <p>
+ * The single instance of this class can be accessed from any plug-in declaring
+ * the Java model plug-in as a prerequisite via 
+ * <code>JavaCore.getJavaCore()</code>. The Java model plug-in will be activated
+ * automatically if not already active.
+ * </p>
+ */
+public final class JavaCore extends Plugin implements IExecutableExtension {
+
+	private static Plugin JAVA_CORE_PLUGIN = null; 
+	/**
+	 * The plug-in identifier of the Java core support
+	 * (value <code>"org.eclipse.jdt.core"</code>).
+	 */
+	public static final String PLUGIN_ID = "org.eclipse.jdt.core" ; //$NON-NLS-1$
+
+	/**
+	 * The identifier for the Java builder
+	 * (value <code>"org.eclipse.jdt.core.javabuilder"</code>).
+	 */
+	public static final String BUILDER_ID = PLUGIN_ID + ".javabuilder" ; //$NON-NLS-1$
+
+	/**
+	 * The identifier for the Java model
+	 * (value <code>"org.eclipse.jdt.core.javamodel"</code>).
+	 */
+	public static final String MODEL_ID = PLUGIN_ID + ".javamodel" ; //$NON-NLS-1$
+
+	/**
+	 * The identifier for the Java nature
+	 * (value <code>"org.eclipse.jdt.core.javanature"</code>).
+	 * The presence of this nature on a project indicates that it is 
+	 * Java-capable.
+	 *
+	 * @see org.eclipse.core.resources.IProject#hasNature(java.lang.String)
+	 */
+	public static final String NATURE_ID = PLUGIN_ID + ".javanature" ; //$NON-NLS-1$
+
+	/**
+	 * Name of the handle id attribute in a Java marker.
+	 */
+	protected static final String ATT_HANDLE_ID =
+		"org.eclipse.jdt.internal.core.JavaModelManager.handleId" ; //$NON-NLS-1$
+
+	// *************** Possible IDs for configurable options. ********************
+
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions()
+	 */
+	public static final String COMPILER_LOCAL_VARIABLE_ATTR = PLUGIN_ID + ".compiler.debug.localVariable"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions()
+	 */
+	public static final String COMPILER_LINE_NUMBER_ATTR = PLUGIN_ID + ".compiler.debug.lineNumber"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 */
+	public static final String COMPILER_SOURCE_FILE_ATTR = PLUGIN_ID + ".compiler.debug.sourceFile"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 */
+	public static final String COMPILER_CODEGEN_UNUSED_LOCAL = PLUGIN_ID + ".compiler.codegen.unusedLocal"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 */
+	public static final String COMPILER_CODEGEN_TARGET_PLATFORM = PLUGIN_ID + ".compiler.codegen.targetPlatform"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 */
+	public static final String COMPILER_PB_UNREACHABLE_CODE = PLUGIN_ID + ".compiler.problem.unreachableCode"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 */
+	public static final String COMPILER_PB_INVALID_IMPORT = PLUGIN_ID + ".compiler.problem.invalidImport"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 */
+	public static final String COMPILER_PB_OVERRIDING_PACKAGE_DEFAULT_METHOD = PLUGIN_ID + ".compiler.problem.overridingPackageDefaultMethod"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 */
+	public static final String COMPILER_PB_METHOD_WITH_CONSTRUCTOR_NAME = PLUGIN_ID + ".compiler.problem.methodWithConstructorName"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 */
+	public static final String COMPILER_PB_DEPRECATION = PLUGIN_ID + ".compiler.problem.deprecation"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.1
+	 */
+	public static final String COMPILER_PB_DEPRECATION_IN_DEPRECATED_CODE = PLUGIN_ID + ".compiler.problem.deprecationInDeprecatedCode"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 */
+	public static final String COMPILER_PB_HIDDEN_CATCH_BLOCK = PLUGIN_ID + ".compiler.problem.hiddenCatchBlock"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 */
+	public static final String COMPILER_PB_UNUSED_LOCAL = PLUGIN_ID + ".compiler.problem.unusedLocal"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 */
+	public static final String COMPILER_PB_UNUSED_PARAMETER = PLUGIN_ID + ".compiler.problem.unusedParameter"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.1
+	 */
+	public static final String COMPILER_PB_UNUSED_PARAMETER_WHEN_IMPLEMENTING_ABSTRACT = PLUGIN_ID + ".compiler.problem.unusedParameterWhenImplementingAbstract"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.1
+	 */
+	public static final String COMPILER_PB_UNUSED_PARAMETER_WHEN_OVERRIDING_CONCRETE = PLUGIN_ID + ".compiler.problem.unusedParameterWhenOverridingConcrete"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String COMPILER_PB_UNUSED_IMPORT = PLUGIN_ID + ".compiler.problem.unusedImport"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 */
+	public static final String COMPILER_PB_SYNTHETIC_ACCESS_EMULATION = PLUGIN_ID + ".compiler.problem.syntheticAccessEmulation"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String COMPILER_PB_NON_NLS_STRING_LITERAL = PLUGIN_ID + ".compiler.problem.nonExternalizedStringLiteral"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String COMPILER_PB_ASSERT_IDENTIFIER = PLUGIN_ID + ".compiler.problem.assertIdentifier"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.1
+	 */
+	public static final String COMPILER_PB_STATIC_ACCESS_RECEIVER = PLUGIN_ID + ".compiler.problem.staticAccessReceiver"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.1
+	 */
+	public static final String COMPILER_PB_NO_EFFECT_ASSIGNMENT = PLUGIN_ID + ".compiler.problem.noEffectAssignment"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.1
+	 */
+	public static final String COMPILER_PB_INCOMPATIBLE_NON_INHERITED_INTERFACE_METHOD = PLUGIN_ID + ".compiler.problem.incompatibleNonInheritedInterfaceMethod"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.1
+	 */
+	public static final String COMPILER_PB_UNUSED_PRIVATE_MEMBER = PLUGIN_ID + ".compiler.problem.unusedPrivateMember"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.1
+	 */
+	public static final String COMPILER_PB_CHAR_ARRAY_IN_STRING_CONCATENATION = PLUGIN_ID + ".compiler.problem.noImplicitStringConversion"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String COMPILER_PB_MAX_PER_UNIT = PLUGIN_ID + ".compiler.maxProblemPerUnit"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String COMPILER_SOURCE = PLUGIN_ID + ".compiler.source"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String COMPILER_COMPLIANCE = PLUGIN_ID + ".compiler.compliance"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.1
+	 */
+	public static final String COMPILER_TASK_PRIORITIES = PLUGIN_ID + ".compiler.taskPriorities"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option value for COMPILER_TASK_PRIORITIES.
+	 * @see #getDefaultOptions
+	 * @since 2.1
+	 */
+	public static final String COMPILER_TASK_PRIORITY_HIGH = "HIGH"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option value for COMPILER_TASK_PRIORITIES.
+	 * @see #getDefaultOptions
+	 * @since 2.1
+	 */
+	public static final String COMPILER_TASK_PRIORITY_LOW = "LOW"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option value for COMPILER_TASK_PRIORITIES.
+	 * @see #getDefaultOptions
+	 * @since 2.1
+	 */
+	public static final String COMPILER_TASK_PRIORITY_NORMAL = "NORMAL"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.1
+	 */
+	public static final String COMPILER_TASK_TAGS = PLUGIN_ID + ".compiler.taskTags"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 */
+	public static final String CORE_JAVA_BUILD_ORDER = PLUGIN_ID + ".computeJavaBuildOrder"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String CORE_JAVA_BUILD_RESOURCE_COPY_FILTER = PLUGIN_ID + ".builder.resourceCopyExclusionFilter"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.1
+	 */
+	public static final String CORE_JAVA_BUILD_DUPLICATE_RESOURCE = PLUGIN_ID + ".builder.duplicateResourceTask"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.1
+	 */
+	public static final String CORE_JAVA_BUILD_CLEAN_OUTPUT_FOLDER = PLUGIN_ID + ".builder.cleanOutputFolder"; //$NON-NLS-1$	 	
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.1
+	 */
+	public static final String CORE_INCOMPLETE_CLASSPATH = PLUGIN_ID + ".incompleteClasspath"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.1
+	 */
+	public static final String CORE_CIRCULAR_CLASSPATH = PLUGIN_ID + ".circularClasspath"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String CORE_JAVA_BUILD_INVALID_CLASSPATH = PLUGIN_ID + ".builder.invalidClasspath"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String CORE_ENCODING = PLUGIN_ID + ".encoding"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.1 
+	 */
+	public static final String CORE_ENABLE_CLASSPATH_EXCLUSION_PATTERNS = PLUGIN_ID + ".classpath.exclusionPatterns"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.1
+	 */
+	public static final String CORE_ENABLE_CLASSPATH_MULTIPLE_OUTPUT_LOCATIONS = PLUGIN_ID + ".classpath.multipleOutputLocations"; //$NON-NLS-1$
+	/**
+	 * Default task tag
+	 * @since 2.1
+	 */
+	public static final String DEFAULT_TASK_TAG = "TODO"; //$NON-NLS-1$
+	/**
+	 * Default task priority
+	 * @since 2.1
+	 */
+	public static final String DEFAULT_TASK_PRIORITY = "NORMAL"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String FORMATTER_NEWLINE_OPENING_BRACE = PLUGIN_ID + ".formatter.newline.openingBrace"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String FORMATTER_NEWLINE_CONTROL = PLUGIN_ID + ".formatter.newline.controlStatement"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String FORMATTER_NEWLINE_ELSE_IF = PLUGIN_ID + ".formatter.newline.elseIf"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String FORMATTER_NEWLINE_EMPTY_BLOCK = PLUGIN_ID + ".formatter.newline.emptyBlock"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String FORMATTER_CLEAR_BLANK_LINES = PLUGIN_ID + ".formatter.newline.clearAll"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String FORMATTER_LINE_SPLIT = PLUGIN_ID + ".formatter.lineSplit"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String FORMATTER_COMPACT_ASSIGNMENT = PLUGIN_ID + ".formatter.style.assignment"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String FORMATTER_TAB_CHAR = PLUGIN_ID + ".formatter.tabulation.char"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String FORMATTER_TAB_SIZE = PLUGIN_ID + ".formatter.tabulation.size"; //$NON-NLS-1$
+	/**
+	 * Possible configurable option ID
+	 * @see #getDefaultOptions
+	 * @since 2.1
+	 */
+	public static final String FORMATTER_SPACE_CASTEXPRESSION = PLUGIN_ID + ".formatter.space.castexpression"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String CODEASSIST_VISIBILITY_CHECK = PLUGIN_ID + ".codeComplete.visibilityCheck"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String CODEASSIST_IMPLICIT_QUALIFICATION = PLUGIN_ID + ".codeComplete.forceImplicitQualification"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.1
+	 */
+	public static final String CODEASSIST_FIELD_PREFIXES = PLUGIN_ID + ".codeComplete.fieldPrefixes"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.1
+	 */
+	public static final String CODEASSIST_STATIC_FIELD_PREFIXES = PLUGIN_ID + ".codeComplete.staticFieldPrefixes"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.1
+	 */
+	public static final String CODEASSIST_LOCAL_PREFIXES = PLUGIN_ID + ".codeComplete.localPrefixes"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.1
+	 */
+	public static final String CODEASSIST_ARGUMENT_PREFIXES = PLUGIN_ID + ".codeComplete.argumentPrefixes"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.1
+	 */
+	public static final String CODEASSIST_FIELD_SUFFIXES = PLUGIN_ID + ".codeComplete.fieldSuffixes"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.1
+	 */
+	public static final String CODEASSIST_STATIC_FIELD_SUFFIXES = PLUGIN_ID + ".codeComplete.staticFieldSuffixes"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.1
+	 */
+	public static final String CODEASSIST_LOCAL_SUFFIXES = PLUGIN_ID + ".codeComplete.localSuffixes"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option ID.
+	 * @see #getDefaultOptions
+	 * @since 2.1
+	 */
+	public static final String CODEASSIST_ARGUMENT_SUFFIXES = PLUGIN_ID + ".codeComplete.argumentSuffixes"; //$NON-NLS-1$
+
+	// *************** Possible values for configurable options. ********************
+	
+	/**
+	 * Possible  configurable option value.
+	 * @see #getDefaultOptions
+	 */
+	public static final String GENERATE = "generate"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option value.
+	 * @see #getDefaultOptions
+	 */
+	public static final String DO_NOT_GENERATE = "do not generate"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option value.
+	 * @see #getDefaultOptions
+	 */
+	public static final String PRESERVE = "preserve"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option value.
+	 * @see #getDefaultOptions
+	 */
+	public static final String OPTIMIZE_OUT = "optimize out"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option value.
+	 * @see #getDefaultOptions
+	 */
+	public static final String VERSION_1_1 = "1.1"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option value.
+	 * @see #getDefaultOptions
+	 */
+	public static final String VERSION_1_2 = "1.2"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option value.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String VERSION_1_3 = "1.3"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option value.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String VERSION_1_4 = "1.4"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option value.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String ABORT = "abort"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option value.
+	 * @see #getDefaultOptions
+	 */
+	public static final String ERROR = "error"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option value.
+	 * @see #getDefaultOptions
+	 */
+	public static final String WARNING = "warning"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option value.
+	 * @see #getDefaultOptions
+	 */
+	public static final String IGNORE = "ignore"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option value.
+	 * @see #getDefaultOptions
+	 */
+	public static final String COMPUTE = "compute"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option value.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String INSERT = "insert"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option value.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String DO_NOT_INSERT = "do not insert"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option value.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String PRESERVE_ONE = "preserve one"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option value.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String CLEAR_ALL = "clear all"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option value.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String NORMAL = "normal"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option value.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String COMPACT = "compact"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option value.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String TAB = "tab"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option value.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String SPACE = "space"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option value.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String ENABLED = "enabled"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option value.
+	 * @see #getDefaultOptions
+	 * @since 2.0
+	 */
+	public static final String DISABLED = "disabled"; //$NON-NLS-1$
+	/**
+	 * Possible  configurable option value.
+	 * @see #getDefaultOptions
+	 * @since 2.1
+	 */
+	public static final String CLEAN = "clean"; //$NON-NLS-1$
+	
+	/**
+	 * Creates the Java core plug-in.
+	 * @since 2.1
+	 */
+	public JavaCore(IPluginDescriptor pluginDescriptor) {
+		super(pluginDescriptor);
+		JAVA_CORE_PLUGIN = this;
+	}
+
+	/**
+	 * Adds the given listener for changes to Java elements.
+	 * Has no effect if an identical listener is already registered.
+	 *
+	 * This listener will only be notified during the POST_CHANGE resource change notification
+	 * and any reconcile operation (POST_RECONCILE).
+	 * For finer control of the notification, use <code>addElementChangedListener(IElementChangedListener,int)</code>,
+	 * which allows to specify a different eventMask.
+	 * 
+	 * @see ElementChangedEvent
+	 * @param listener the listener
+	 */
+	public static void addElementChangedListener(IElementChangedListener listener) {
+		addElementChangedListener(listener, ElementChangedEvent.POST_CHANGE | ElementChangedEvent.POST_RECONCILE);
+	}
+
+	/**
+	 * Adds the given listener for changes to Java elements.
+	 * Has no effect if an identical listener is already registered.
+	 * After completion of this method, the given listener will be registered for exactly
+	 * the specified events.  If they were previously registered for other events, they
+	 * will be deregistered.  
+	 * <p>
+	 * Once registered, a listener starts receiving notification of changes to
+	 * java elements in the model. The listener continues to receive 
+	 * notifications until it is replaced or removed. 
+	 * </p>
+	 * <p>
+	 * Listeners can listen for several types of event as defined in <code>ElementChangeEvent</code>.
+	 * Clients are free to register for any number of event types however if they register
+	 * for more than one, it is their responsibility to ensure they correctly handle the
+	 * case where the same java element change shows up in multiple notifications.  
+	 * Clients are guaranteed to receive only the events for which they are registered.
+	 * </p>
+	 * 
+	 * @param listener the listener
+	 * @param eventMask the bit-wise OR of all event types of interest to the listener
+	 * @see IElementChangedListener
+	 * @see ElementChangedEvent
+	 * @see #removeElementChangedListener(IElementChangedListener)
+	 * @since 2.0
+	 */
+	public static void addElementChangedListener(IElementChangedListener listener, int eventMask) {
+		JavaModelManager.getJavaModelManager().addElementChangedListener(listener, eventMask);
+	}
+
+	/**
+	 * Configures the given marker attribute map for the given Java element.
+	 * Used for markers, which denote a Java element rather than a resource.
+	 *
+	 * @param attributes the mutable marker attribute map (key type: <code>String</code>,
+	 *   value type: <code>String</code>)
+	 * @param element the Java element for which the marker needs to be configured
+	 */
+	public static void addJavaElementMarkerAttributes(
+		Map attributes,
+		IJavaElement element) {
+//		if (element instanceof IMember)
+//			element = ((IMember) element).getClassFile();
+		if (attributes != null && element != null)
+			attributes.put(ATT_HANDLE_ID, element.getHandleIdentifier());
+	}
+	
+	/**
+	 * Configures the given marker for the given Java element.
+	 * Used for markers, which denote a Java element rather than a resource.
+	 *
+	 * @param marker the marker to be configured
+	 * @param element the Java element for which the marker needs to be configured
+	 * @exception CoreException if the <code>IMarker.setAttribute</code> on the marker fails
+	 */
+	public void configureJavaElementMarker(IMarker marker, IJavaElement element)
+		throws CoreException {
+//		if (element instanceof IMember)
+//			element = ((IMember) element).getClassFile();
+		if (marker != null && element != null)
+			marker.setAttribute(ATT_HANDLE_ID, element.getHandleIdentifier());
+	}
+	
+	/**
+	 * Returns the Java model element corresponding to the given handle identifier
+	 * generated by <code>IJavaElement.getHandleIdentifier()</code>, or
+	 * <code>null</code> if unable to create the associated element.
+	 */
+	public static IJavaElement create(String handleIdentifier) {
+		if (handleIdentifier == null) {
+			return null;
+		}
+		try {
+			return JavaModelManager.getJavaModelManager().getHandleFromMemento(handleIdentifier);
+		} catch (JavaModelException e) {
+			return null;
+		}
+	}
+	/**
+	 * Returns the Java element corresponding to the given file, or
+	 * <code>null</code> if unable to associate the given file
+	 * with a Java element.
+	 *
+	 * <p>The file must be one of:<ul>
+	 *	<li>a <code>.java</code> file - the element returned is the corresponding <code>ICompilationUnit</code></li>
+	 *	<li>a <code>.class</code> file - the element returned is the corresponding <code>IClassFile</code></li>
+	 *	<li>a <code>.jar</code> file - the element returned is the corresponding <code>IPackageFragmentRoot</code></li>
+	 *	</ul>
+	 * <p>
+	 * Creating a Java element has the side effect of creating and opening all of the
+	 * element's parents if they are not yet open.
+	 * 
+	 * @param the given file
+	 * @return the Java element corresponding to the given file, or
+	 * <code>null</code> if unable to associate the given file
+	 * with a Java element
+	 */
+	public static IJavaElement create(IFile file) {
+		return JavaModelManager.create(file, null);
+	}
+	/**
+	 * Returns the package fragment or package fragment root corresponding to the given folder, or
+	 * <code>null</code> if unable to associate the given folder with a Java element.
+	 * <p>
+	 * Note that a package fragment root is returned rather than a default package.
+	 * <p>
+	 * Creating a Java element has the side effect of creating and opening all of the
+	 * element's parents if they are not yet open.
+	 * 
+	 * @param the given folder
+	 * @return the package fragment or package fragment root corresponding to the given folder, or
+	 * <code>null</code> if unable to associate the given folder with a Java element
+	 */
+	public static IJavaElement create(IFolder folder) {
+		return JavaModelManager.create(folder, null);
+	}
+	/**
+	 * Returns the Java project corresponding to the given project.
+	 * <p>
+	 * Creating a Java Project has the side effect of creating and opening all of the
+	 * project's parents if they are not yet open.
+	 * <p>
+	 * Note that no check is done at this time on the existence or the java nature of this project.
+	 * 
+	 * @param project the given project
+	 * @return the Java project corresponding to the given project, null if the given project is null
+	 */
+	public static IJavaProject create(IProject project) {
+		if (project == null) {
+			return null;
+		}
+		JavaModel javaModel = JavaModelManager.getJavaModelManager().getJavaModel();
+		return javaModel.getJavaProject(project);
+	}
+	/**
+	 * Returns the Java element corresponding to the given resource, or
+	 * <code>null</code> if unable to associate the given resource
+	 * with a Java element.
+	 * <p>
+	 * The resource must be one of:<ul>
+	 *	<li>a project - the element returned is the corresponding <code>IJavaProject</code></li>
+	 *	<li>a <code>.java</code> file - the element returned is the corresponding <code>ICompilationUnit</code></li>
+	 *	<li>a <code>.class</code> file - the element returned is the corresponding <code>IClassFile</code></li>
+	 *	<li>a <code>.jar</code> file - the element returned is the corresponding <code>IPackageFragmentRoot</code></li>
+	 *  <li>a folder - the element returned is the corresponding <code>IPackageFragmentRoot</code>
+	 *    	or <code>IPackageFragment</code></li>
+	 *  <li>the workspace root resource - the element returned is the <code>IJavaModel</code></li>
+	 *	</ul>
+	 * <p>
+	 * Creating a Java element has the side effect of creating and opening all of the
+	 * element's parents if they are not yet open.
+	 * 
+	 * @param resource the given resource
+	 * @return the Java element corresponding to the given resource, or
+	 * <code>null</code> if unable to associate the given resource
+	 * with a Java element
+	 */
+	public static IJavaElement create(IResource resource) {
+		return JavaModelManager.create(resource, null);
+	}
+	/**
+	 * Returns the Java model.
+	 * 
+	 * @param root the given root
+	 * @return the Java model, or <code>null</code> if the root is null
+	 */
+	public static IJavaModel create(IWorkspaceRoot root) {
+		if (root == null) {
+			return null;
+		}
+		return JavaModelManager.getJavaModelManager().getJavaModel();
+	}
+	/**
+	 * Creates and returns a class file element for
+	 * the given <code>.class</code> file. Returns <code>null</code> if unable
+	 * to recognize the class file.
+	 * 
+	 * @param file the given <code>.class</code> file
+	 * @return a class file element for the given <code>.class</code> file, or <code>null</code> if unable
+	 * to recognize the class file
+	 */
+//	public static IClassFile createClassFileFrom(IFile file) {
+//		return JavaModelManager.createClassFileFrom(file, null);
+//	}
+	/**
+	 * Creates and returns a compilation unit element for
+	 * the given <code>.java</code> file. Returns <code>null</code> if unable
+	 * to recognize the compilation unit.
+	 * 
+	 * @param file the given <code>.java</code> file
+	 * @return a compilation unit element for the given <code>.java</code> file, or <code>null</code> if unable
+	 * to recognize the compilation unit
+	 */
+	public static ICompilationUnit createCompilationUnitFrom(IFile file) {
+		return JavaModelManager.createCompilationUnitFrom(file, null);
+	}
+	/**
+	 * Creates and returns a handle for the given JAR file.
+	 * The Java model associated with the JAR's project may be
+	 * created as a side effect. 
+	 * 
+	 * @param file the given JAR file
+	 * @return a handle for the given JAR file, or <code>null</code> if unable to create a JAR package fragment root.
+	 * (for example, if the JAR file represents a non-Java resource)
+	 */
+//	public static IPackageFragmentRoot createJarPackageFragmentRootFrom(IFile file) {
+//		return JavaModelManager.createJarPackageFragmentRootFrom(file, null);
+//	}
+
+	/** 
+	 * Answers the project specific value for a given classpath container.
+	 * In case this container path could not be resolved, then will answer <code>null</code>.
+	 * Both the container path and the project context are supposed to be non-null.
+	 * <p>
+	 * The containerPath is a formed by a first ID segment followed with extra segments, which can be 
+	 * used as additional hints for resolution. If no container was ever recorded for this container path 
+	 * onto this project (using <code>setClasspathContainer</code>, then a 
+	 * <code>ClasspathContainerInitializer</code> will be activated if any was registered for this container 
+	 * ID onto the extension point "org.eclipse.jdt.core.classpathContainerInitializer".
+	 * <p>
+	 * There is no assumption that the returned container must answer the exact same containerPath
+	 * when requested <code>IClasspathContainer#getPath</code>. 
+	 * Indeed, the containerPath is just an indication for resolving it to an actual container object.
+	 * <p>
+	 * Classpath container values are persisted locally to the workspace, but 
+	 * are not preserved from a session to another. It is thus highly recommended to register a 
+	 * <code>ClasspathContainerInitializer</code> for each referenced container 
+	 * (through the extension point "org.eclipse.jdt.core.ClasspathContainerInitializer").
+	 * <p>
+	 * @param containerPath the name of the container, which needs to be resolved
+	 * @param project a specific project in which the container is being resolved
+	 * @return the corresponding classpath container or <code>null</code> if unable to find one.
+	 * 
+	 * @exception JavaModelException if an exception occurred while resolving the container, or if the resolved container
+	 *   contains illegal entries (contains CPE_CONTAINER entries or null entries).	 
+	 * 
+	 * @see ClasspathContainerInitializer
+	 * @see IClasspathContainer
+	 * @see #setClasspathContainer(IPath, IJavaProject[], IClasspathContainer[], IProgressMonitor)
+	 * @since 2.0
+	 */
+//	public static IClasspathContainer getClasspathContainer(final IPath containerPath, final IJavaProject project) throws JavaModelException {
+//
+//		IClasspathContainer container = JavaModelManager.containerGet(project, containerPath);
+//		if (container == JavaModelManager.ContainerInitializationInProgress) return null; // break cycle
+//
+//		if (container == null){
+//			final ClasspathContainerInitializer initializer = JavaCore.getClasspathContainerInitializer(containerPath.segment(0));
+//			if (initializer != null){
+//				if (JavaModelManager.CP_RESOLVE_VERBOSE){
+//					System.out.println("CPContainer INIT - triggering initialization of: ["+project.getElementName()+"] " + containerPath + " using initializer: "+ initializer); //$NON-NLS-1$ //$NON-NLS-2$//$NON-NLS-3$
+//					new Exception("FAKE exception for dumping current CPContainer (["+project.getElementName()+"] "+ containerPath+ ")INIT invocation stack trace").printStackTrace(); //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$
+//				}
+//				JavaModelManager.containerPut(project, containerPath, JavaModelManager.ContainerInitializationInProgress); // avoid initialization cycles
+//				boolean ok = false;
+//				try {
+//					// wrap initializer call with Safe runnable in case initializer would be causing some grief
+//					Platform.run(new ISafeRunnable() {
+//						public void handleException(Throwable exception) {
+//							Util.log(exception, "Exception occurred in classpath container initializer: "+initializer); //$NON-NLS-1$
+//						}
+//						public void run() throws Exception {
+//							initializer.initialize(containerPath, project);
+//						}
+//					});
+//					
+//					// retrieve value (if initialization was successful)
+//					container = JavaModelManager.containerGet(project, containerPath);
+//					if (container == JavaModelManager.ContainerInitializationInProgress) return null; // break cycle
+//					ok = true;
+//				} finally {
+//					if (!ok) JavaModelManager.containerPut(project, containerPath, null); // flush cache
+//				}
+//				if (JavaModelManager.CP_RESOLVE_VERBOSE){
+//					System.out.print("CPContainer INIT - after resolution: ["+project.getElementName()+"] " + containerPath + " --> "); //$NON-NLS-2$//$NON-NLS-1$//$NON-NLS-3$
+//					if (container != null){
+//						System.out.print("container: "+container.getDescription()+" {"); //$NON-NLS-2$//$NON-NLS-1$
+//						IClasspathEntry[] entries = container.getClasspathEntries();
+//						if (entries != null){
+//							for (int i = 0; i < entries.length; i++){
+//								if (i > 0) System.out.println(", ");//$NON-NLS-1$
+//								System.out.println(entries[i]);
+//							}
+//						}
+//						System.out.println("}");//$NON-NLS-1$
+//					} else {
+//						System.out.println("{unbound}");//$NON-NLS-1$
+//					}
+//				}
+//			} else {
+//				if (JavaModelManager.CP_RESOLVE_VERBOSE){
+//					System.out.println("CPContainer INIT - no initializer found for: "+project.getElementName()+"] " + containerPath); //$NON-NLS-1$ //$NON-NLS-2$
+//				}
+//			}
+//		}
+//		return container;			
+//	}
+
+	/**
+	 * Helper method finding the classpath container initializer registered for a given classpath container ID 
+	 * or <code>null</code> if none was found while iterating over the contributions to extension point to
+	 * the extension point "org.eclipse.jdt.core.classpathContainerInitializer".
+	 * <p>
+	 * A containerID is the first segment of any container path, used to identify the registered container initializer.
+	 * <p>
+	 * @param String - a containerID identifying a registered initializer
+	 * @return ClasspathContainerInitializer - the registered classpath container initializer or <code>null</code> if 
+	 * none was found.
+	 * @since 2.1
+	 */
+//	public static ClasspathContainerInitializer getClasspathContainerInitializer(String containerID){
+//		
+//		Plugin jdtCorePlugin = JavaCore.getPlugin();
+//		if (jdtCorePlugin == null) return null;
+//
+//		IExtensionPoint extension = jdtCorePlugin.getDescriptor().getExtensionPoint(JavaModelManager.CPCONTAINER_INITIALIZER_EXTPOINT_ID);
+//		if (extension != null) {
+//			IExtension[] extensions =  extension.getExtensions();
+//			for(int i = 0; i < extensions.length; i++){
+//				IConfigurationElement [] configElements = extensions[i].getConfigurationElements();
+//				for(int j = 0; j < configElements.length; j++){
+//					String initializerID = configElements[j].getAttribute("id"); //$NON-NLS-1$
+//					if (initializerID != null && initializerID.equals(containerID)){
+//						if (JavaModelManager.CP_RESOLVE_VERBOSE) {
+//							System.out.println("CPContainer INIT - found initializer: "+containerID +" --> " + configElements[j].getAttribute("class"));//$NON-NLS-3$//$NON-NLS-2$//$NON-NLS-1$
+//						}						
+//						try {
+//							Object execExt = configElements[j].createExecutableExtension("class"); //$NON-NLS-1$
+//							if (execExt instanceof ClasspathContainerInitializer){
+//								return (ClasspathContainerInitializer)execExt;
+//							}
+//						} catch(CoreException e) {
+//						}
+//					}
+//				}
+//			}	
+//		}
+//		return null;
+//	}
+
+	/**
+	 * Returns the path held in the given classpath variable.
+	 * Returns <node>null</code> if unable to bind.
+	 * <p>
+	 * Classpath variable values are persisted locally to the workspace, and 
+	 * are preserved from session to session.
+	 * <p>
+	 * Note that classpath variables can be contributed registered initializers for,
+	 * using the extension point "org.eclipse.jdt.core.classpathVariableInitializer".
+	 * If an initializer is registered for a variable, its persisted value will be ignored:
+	 * its initializer will thus get the opportunity to rebind the variable differently on
+	 * each session.
+	 *
+	 * @param variableName the name of the classpath variable
+	 * @return the path, or <code>null</code> if none 
+	 * @see #setClasspathVariable
+	 */
+//	public static IPath getClasspathVariable(final String variableName) {
+//	
+//		IPath variablePath = JavaModelManager.variableGet(variableName);
+//		if (variablePath == JavaModelManager.VariableInitializationInProgress) return null; // break cycle
+//		
+//		if (variablePath != null) {
+//			return variablePath;
+//		}
+//
+//		// even if persisted value exists, initializer is given priority, only if no initializer is found the persisted value is reused
+//		final ClasspathVariableInitializer initializer = JavaCore.getClasspathVariableInitializer(variableName);
+//		if (initializer != null){
+//			if (JavaModelManager.CP_RESOLVE_VERBOSE){
+//				System.out.println("CPVariable INIT - triggering initialization of: " + variableName+ " using initializer: "+ initializer); //$NON-NLS-1$ //$NON-NLS-2$
+//				new Exception("FAKE exception for dumping current CPVariable ("+variableName+ ")INIT invocation stack trace").printStackTrace(); //$NON-NLS-1$//$NON-NLS-2$
+//			}
+//			JavaModelManager.variablePut(variableName, JavaModelManager.VariableInitializationInProgress); // avoid initialization cycles
+//			boolean ok = false;
+//			try {
+//				// wrap initializer call with Safe runnable in case initializer would be causing some grief
+//				Platform.run(new ISafeRunnable() {
+//					public void handleException(Throwable exception) {
+//						Util.log(exception, "Exception occurred in classpath variable initializer: "+initializer+" while initializing variable: "+variableName); //$NON-NLS-1$ //$NON-NLS-2$
+//					}
+//					public void run() throws Exception {
+//						initializer.initialize(variableName);
+//					}
+//				});
+//				variablePath = (IPath) JavaModelManager.variableGet(variableName); // initializer should have performed side-effect
+//				if (variablePath == JavaModelManager.VariableInitializationInProgress) return null; // break cycle (initializer did not init or reentering call)
+//				if (JavaModelManager.CP_RESOLVE_VERBOSE){
+//					System.out.println("CPVariable INIT - after initialization: " + variableName + " --> " + variablePath); //$NON-NLS-2$//$NON-NLS-1$
+//				}
+//				ok = true;
+//			} finally {
+//				if (!ok) JavaModelManager.variablePut(variableName, null); // flush cache
+//			}
+//		} else {
+//			if (JavaModelManager.CP_RESOLVE_VERBOSE){
+//				System.out.println("CPVariable INIT - no initializer found for: " + variableName); //$NON-NLS-1$
+//			}
+//		}
+//		return variablePath;
+//	}
+
+	/**
+	 * Helper method finding the classpath variable initializer registered for a given classpath variable name 
+	 * or <code>null</code> if none was found while iterating over the contributions to extension point to
+	 * the extension point "org.eclipse.jdt.core.classpathVariableInitializer".
+	 * <p>
+ 	 * @param the given variable
+ 	 * @return ClasspathVariableInitializer - the registered classpath variable initializer or <code>null</code> if 
+	 * none was found.
+	 * @since 2.1
+ 	 */
+//	public static ClasspathVariableInitializer getClasspathVariableInitializer(String variable){
+//		
+//		Plugin jdtCorePlugin = JavaCore.getPlugin();
+//		if (jdtCorePlugin == null) return null;
+//
+//		IExtensionPoint extension = jdtCorePlugin.getDescriptor().getExtensionPoint(JavaModelManager.CPVARIABLE_INITIALIZER_EXTPOINT_ID);
+//		if (extension != null) {
+//			IExtension[] extensions =  extension.getExtensions();
+//			for(int i = 0; i < extensions.length; i++){
+//				IConfigurationElement [] configElements = extensions[i].getConfigurationElements();
+//				for(int j = 0; j < configElements.length; j++){
+//					try {
+//						String varAttribute = configElements[j].getAttribute("variable"); //$NON-NLS-1$
+//						if (variable.equals(varAttribute)) {
+//							if (JavaModelManager.CP_RESOLVE_VERBOSE) {
+//								System.out.println("CPVariable INIT - found initializer: "+variable+" --> " + configElements[j].getAttribute("class"));//$NON-NLS-3$//$NON-NLS-2$//$NON-NLS-1$
+//							}						
+//							Object execExt = configElements[j].createExecutableExtension("class"); //$NON-NLS-1$
+//							if (execExt instanceof ClasspathVariableInitializer){
+//								return (ClasspathVariableInitializer)execExt;
+//							}
+//						}
+//					} catch(CoreException e){
+//					}
+//					}
+//			}	
+//		}
+//		return null;
+//	}	
+	
+	/**
+	 * Returns the names of all known classpath variables.
+	 * <p>
+	 * Classpath variable values are persisted locally to the workspace, and 
+	 * are preserved from session to session.
+	 * <p>
+	 *
+	 * @return the list of classpath variable names
+	 * @see #setClasspathVariable
+	 */
+//	public static String[] getClasspathVariableNames() {
+//		return JavaModelManager.variableNames();
+//	}
+
+	/**
+	 * Returns a table of all known configurable options with their default values.
+	 * These options allow to configure the behaviour of the underlying components.
+	 * The client may safely use the result as a template that they can modify and
+	 * then pass to <code>setOptions</code>.
+	 * 
+	 * Helper constants have been defined on JavaCore for each of the option ID and 
+	 * their possible constant values.
+	 * 
+	 * Note: more options might be added in further releases.
+	 * <pre>
+	 * RECOGNIZED OPTIONS:
+	 * COMPILER / Generating Local Variable Debug Attribute
+ 	 *    When generated, this attribute will enable local variable names 
+	 *    to be displayed in debugger, only in place where variables are 
+	 *    definitely assigned (.class file is then bigger)
+	 *     - option id:         "org.eclipse.jdt.core.compiler.debug.localVariable"
+	 *     - possible values:   { "generate", "do not generate" }
+	 *     - default:           "generate"
+	 *
+	 * COMPILER / Generating Line Number Debug Attribute 
+	 *    When generated, this attribute will enable source code highlighting in debugger 
+	 *    (.class file is then bigger).
+	 *     - option id:         "org.eclipse.jdt.core.compiler.debug.lineNumber"
+	 *     - possible values:   { "generate", "do not generate" }
+	 *     - default:           "generate"
+	 *    
+	 * COMPILER / Generating Source Debug Attribute 
+	 *    When generated, this attribute will enable the debugger to present the 
+	 *    corresponding source code.
+	 *     - option id:         "org.eclipse.jdt.core.compiler.debug.sourceFile"
+	 *     - possible values:   { "generate", "do not generate" }
+	 *     - default:           "generate"
+	 *    
+	 * COMPILER / Preserving Unused Local Variables
+	 *    Unless requested to preserve unused local variables (that is, never read), the 
+	 *    compiler will optimize them out, potentially altering debugging
+	 *     - option id:         "org.eclipse.jdt.core.compiler.codegen.unusedLocal"
+	 *     - possible values:   { "preserve", "optimize out" }
+	 *     - default:           "preserve"
+	 * 
+	 * COMPILER / Defining Target Java Platform
+	 *    For binary compatibility reason, .class files can be tagged to with certain VM versions and later.
+	 *    Note that "1.4" target require to toggle compliance mode to "1.4" too.
+	 *     - option id:         "org.eclipse.jdt.core.compiler.codegen.targetPlatform"
+	 *     - possible values:   { "1.1", "1.2", "1.3", "1.4" }
+	 *     - default:           "1.1"
+	 *
+	 * COMPILER / Reporting Unreachable Code
+	 *    Unreachable code can optionally be reported as an error, warning or simply 
+	 *    ignored. The bytecode generation will always optimized it out.
+	 *     - option id:         "org.eclipse.jdt.core.compiler.problem.unreachableCode"
+	 *     - possible values:   { "error", "warning", "ignore" }
+	 *     - default:           "error"
+	 *
+	 * COMPILER / Reporting Invalid Import
+	 *    An import statement that cannot be resolved might optionally be reported 
+	 *    as an error, as a warning or ignored.
+	 *     - option id:         "org.eclipse.jdt.core.compiler.problem.invalidImport"
+	 *     - possible values:   { "error", "warning", "ignore" }
+	 *     - default:           "error"
+	 *
+	 * COMPILER / Reporting Attempt to Override Package-Default Method
+	 *    A package default method is not visible in a different package, and thus 
+	 *    cannot be overridden. When enabling this option, the compiler will signal 
+	 *    such scenarii either as an error or a warning.
+	 *     - option id:         "org.eclipse.jdt.core.compiler.problem.overridingPackageDefaultMethod"
+	 *     - possible values:   { "error", "warning", "ignore" }
+	 *     - default:           "warning"
+	 *
+	 * COMPILER / Reporting Method With Constructor Name
+	 *    Naming a method with a constructor name is generally considered poor 
+	 *    style programming. When enabling this option, the compiler will signal such 
+	 *    scenarii either as an error or a warning.
+	 *     - option id:         "org.eclipse.jdt.core.compiler.problem.methodWithConstructorName"
+	 *     - possible values:   { "error", "warning", "ignore" }
+	 *     - default:           "warning"
+	 *
+	 * COMPILER / Reporting Deprecation
+	 *    When enabled, the compiler will signal use of deprecated API either as an 
+	 *    error or a warning.
+	 *     - option id:         "org.eclipse.jdt.core.compiler.problem.deprecation"
+	 *     - possible values:   { "error", "warning", "ignore" }
+	 *     - default:           "warning"
+	 *
+	 * COMPILER / Reporting Deprecation Inside Deprecated Code
+	 *    When enabled, the compiler will signal use of deprecated API inside deprecated code.
+	 *    The severity of the problem is controlled with option "org.eclipse.jdt.core.compiler.problem.deprecation".
+	 *     - option id:         "org.eclipse.jdt.core.compiler.problem.deprecationInDeprecatedCode"
+	 *     - possible values:   { "enabled", "disabled" }
+	 *     - default:           "disabled"
+	 *
+	 * COMPILER / Reporting Hidden Catch Block
+	 *    Locally to a try statement, some catch blocks may hide others . For example,
+	 *      try {  throw new java.io.CharConversionException();
+	 *      } catch (java.io.CharConversionException e) {
+	 *      } catch (java.io.IOException e) {}. 
+	 *    When enabling this option, the compiler will issue an error or a warning for hidden 
+	 *    catch blocks corresponding to checked exceptions
+	 *     - option id:         "org.eclipse.jdt.core.compiler.problem.hiddenCatchBlock"
+	 *     - possible values:   { "error", "warning", "ignore" }
+	 *     - default:           "warning"
+	 *
+	 * COMPILER / Reporting Unused Local
+	 *    When enabled, the compiler will issue an error or a warning for unused local 
+	 *    variables (that is, variables never read from)
+	 *     - option id:         "org.eclipse.jdt.core.compiler.problem.unusedLocal"
+	 *     - possible values:   { "error", "warning", "ignore" }
+	 *     - default:           "ignore"
+	 *
+	 * COMPILER / Reporting Unused Parameter
+	 *    When enabled, the compiler will issue an error or a warning for unused method 
+	 *    parameters (that is, parameters never read from)
+	 *     - option id:         "org.eclipse.jdt.core.compiler.problem.unusedParameter"
+	 *     - possible values:   { "error", "warning", "ignore" }
+	 *     - default:           "ignore"
+	 *
+	 * COMPILER / Reporting Unused Parameter if Implementing Abstract Method
+	 *    When enabled, the compiler will signal unused parameters in abstract method implementations.
+	 *    The severity of the problem is controlled with option "org.eclipse.jdt.core.compiler.problem.unusedParameter".
+	 *     - option id:         "org.eclipse.jdt.core.compiler.problem.unusedParameterWhenImplementingAbstract"
+	 *     - possible values:   { "enabled", "disabled" }
+	 *     - default:           "disabled"
+	 *
+	 * COMPILER / Reporting Unused Parameter if Overriding Concrete Method
+	 *    When enabled, the compiler will signal unused parameters in methods overriding concrete ones.
+	 *    The severity of the problem is controlled with option "org.eclipse.jdt.core.compiler.problem.unusedParameter".
+	 *     - option id:         "org.eclipse.jdt.core.compiler.problem.unusedParameterWhenOverridingConcrete"
+	 *     - possible values:   { "enabled", "disabled" }
+	 *     - default:           "disabled"
+	 *
+	 * COMPILER / Reporting Unused Import
+	 *    When enabled, the compiler will issue an error or a warning for unused import 
+	 *    reference 
+	 *     - option id:         "org.eclipse.jdt.core.compiler.problem.unusedImport"
+	 *     - possible values:   { "error", "warning", "ignore" }
+	 *     - default:           "warning"
+	 *
+	 * COMPILER / Reporting Unused Private Members
+	 *    When enabled, the compiler will issue an error or a warning whenever a private 
+	 *    method or field is declared but never used within the same unit.
+	 *     - option id:         "org.eclipse.jdt.core.compiler.problem.unusedPrivateMember"
+	 *     - possible values:   { "error", "warning", "ignore" }
+	 *     - default:           "ignore"
+	 *
+	 * COMPILER / Reporting Synthetic Access Emulation
+	 *    When enabled, the compiler will issue an error or a warning whenever it emulates 
+	 *    access to a non-accessible member of an enclosing type. Such access can have
+	 *    performance implications.
+	 *     - option id:         "org.eclipse.jdt.core.compiler.problem.syntheticAccessEmulation"
+	 *     - possible values:   { "error", "warning", "ignore" }
+	 *     - default:           "ignore"
+	 *
+	 * COMPILER / Reporting Non-Externalized String Literal
+	 *    When enabled, the compiler will issue an error or a warning for non externalized 
+	 *    String literal (that is, not tagged with //$NON-NLS-<n>$). 
+	 *     - option id:         "org.eclipse.jdt.core.compiler.problem.nonExternalizedStringLiteral"
+	 *     - possible values:   { "error", "warning", "ignore" }
+	 *     - default:           "ignore"
+	 * 
+	 * COMPILER / Reporting Usage of 'assert' Identifier
+	 *    When enabled, the compiler will issue an error or a warning whenever 'assert' is 
+	 *    used as an identifier (reserved keyword in 1.4)
+	 *     - option id:         "org.eclipse.jdt.core.compiler.problem.assertIdentifier"
+	 *     - possible values:   { "error", "warning", "ignore" }
+	 *     - default:           "ignore"
+	 * 
+	 * COMPILER / Reporting Non-Static Reference to a Static Member
+	 *    When enabled, the compiler will issue an error or a warning whenever a static field
+	 *    or method is accessed with an expression receiver. A reference to a static member should
+	 *    be qualified with a type name.
+	 *     - option id:         "org.eclipse.jdt.core.compiler.problem.staticAccessReceiver"
+	 *     - possible values:   { "error", "warning", "ignore" }
+	 *     - default:           "warning"
+	 * 
+	 * COMPILER / Reporting Assignment with no Effect
+	 *    When enabled, the compiler will issue an error or a warning whenever an assignment
+	 *    has no effect (e.g 'x = x').
+	 *     - option id:         "org.eclipse.jdt.core.compiler.problem.noEffectAssignment"
+	 *     - possible values:   { "error", "warning", "ignore" }
+	 *     - default:           "warning"
+	 * 
+	 * COMPILER / Reporting Interface Method not Compatible with non-Inherited Methods
+	 *    When enabled, the compiler will issue an error or a warning whenever an interface
+	 *    defines a method incompatible with a non-inherited Object method. Until this conflict
+	 *    is resolved, such an interface cannot be implemented, For example, 
+	 *      interface I { 
+	 *         int clone();
+	 *      } 
+	 *     - option id:         "org.eclipse.jdt.core.compiler.problem.incompatibleNonInheritedInterfaceMethod"
+	 *     - possible values:   { "error", "warning", "ignore" }
+	 *     - default:           "warning"
+	 * 
+	 * COMPILER / Reporting Usage of char[] Expressions in String Concatenations
+	 *    When enabled, the compiler will issue an error or a warning whenever a char[] expression
+	 *    is used in String concatenations (for example, "hello" + new char[]{'w','o','r','l','d'}).
+	 *     - option id:         "org.eclipse.jdt.core.compiler.problem.noImplicitStringConversion"
+	 *     - possible values:   { "error", "warning", "ignore" }
+	 *     - default:           "warning"
+	 *
+	 * COMPILER / Setting Source Compatibility Mode
+	 *    Specify whether source is 1.3 or 1.4 compatible. From 1.4 on, 'assert' is a keyword
+	 *    reserved for assertion support. Also note, than when toggling to 1.4 mode, the target VM
+	 *   level should be set to "1.4" and the compliance mode should be "1.4".
+	 *     - option id:         "org.eclipse.jdt.core.compiler.source"
+	 *     - possible values:   { "1.3", "1.4" }
+	 *     - default:           "1.3"
+	 * 
+	 * COMPILER / Setting Compliance Level
+	 *    Select the compliance level for the compiler. In "1.3" mode, source and target settings
+	 *    should not go beyond "1.3" level.
+	 *     - option id:         "org.eclipse.jdt.core.compiler.compliance"
+	 *     - possible values:   { "1.3", "1.4" }
+	 *     - default:           "1.3"
+	 * 
+	 * COMPILER / Maximum number of problems reported per compilation unit
+	 *    Specify the maximum number of problems reported on each compilation unit.
+	 *     - option id:         "org.eclipse.jdt.core.compiler.maxProblemPerUnit"
+	 *     - possible values:	"<n>" where <n> is zero or a positive integer (if zero then all problems are reported).
+	 *     - default:           "100"
+	 * 
+	 * COMPILER / Define the Automatic Task Tags
+	 *    When the tag list is not empty, the compiler will issue a task marker whenever it encounters
+	 *    one of the corresponding tag inside any comment in Java source code.
+	 *    Generated task messages will include the tag, and range until the next line separator or comment ending.
+	 *    Note that tasks messages are trimmed.
+	 *     - option id:         "org.eclipse.jdt.core.compiler.taskTags"
+	 *     - possible values:   { "<tag>[,<tag>]*" } where <tag> is a String without any wild-card or leading/trailing spaces 
+	 *     - default:           ""
+	 * 
+	 * COMPILER / Define the Automatic Task Priorities
+	 *    In parallel with the Automatic Task Tags, this list defines the priorities (high, normal or low)
+	 *    of the task markers issued by the compiler.
+	 *    If the default is specified, the priority of each task marker is "NORMAL".
+	 *     - option id:         "org.eclipse.jdt.core.compiler.taskPriorities"
+	 *     - possible values:   { "<priority>[,<priority>]*" } where <priority> is one of "HIGH", "NORMAL" or "LOW"
+	 *     - default:           ""
+	 *
+	 * BUILDER / Specifying Filters for Resource Copying Control
+	 *    Allow to specify some filters to control the resource copy process.
+	 *     - option id:         "org.eclipse.jdt.core.builder.resourceCopyExclusionFilter"
+	 *     - possible values:   { "<name>[,<name>]* } where <name> is a file name pattern (* and ? wild-cards allowed)
+	 *       or the name of a folder which ends with '/'
+	 *     - default:           ""
+	 * 
+	 * BUILDER / Abort if Invalid Classpath
+	 *    Allow to toggle the builder to abort if the classpath is invalid
+	 *     - option id:         "org.eclipse.jdt.core.builder.invalidClasspath"
+	 *     - possible values:   { "abort", "ignore" }
+	 *     - default:           "abort"
+	 * 
+	 * BUILDER / Cleaning Output Folder(s)
+	 *    Indicate whether the JavaBuilder is allowed to clean the output folders
+	 *    when performing full build operations.
+	 *     - option id:         "org.eclipse.jdt.core.builder.cleanOutputFolder"
+	 *     - possible values:   { "clean", "ignore" }
+	 *     - default:           "clean"
+	 * 
+	 * BUILDER / Reporting Duplicate Resources
+	 *    Indicate the severity of the problem reported when more than one occurrence
+	 *    of a resource is to be copied into the output location.
+	 *     - option id:         "org.eclipse.jdt.core.builder.duplicateResourceTask"
+	 *     - possible values:   { "error", "warning" }
+	 *     - default:           "warning"
+	 * 
+	 * JAVACORE / Computing Project Build Order
+	 *    Indicate whether JavaCore should enforce the project build order to be based on
+	 *    the classpath prerequisite chain. When requesting to compute, this takes over
+	 *    the platform default order (based on project references).
+	 *     - option id:         "org.eclipse.jdt.core.computeJavaBuildOrder"
+	 *     - possible values:   { "compute", "ignore" }
+	 *     - default:           "ignore"	 
+	 * 
+	 * JAVACORE / Specify Default Source Encoding Format
+	 *    Get the encoding format for compiled sources. This setting is read-only, it is equivalent
+	 *    to 'ResourcesPlugin.getEncoding()'.
+	 *     - option id:         "org.eclipse.jdt.core.encoding"
+	 *     - possible values:   { any of the supported encoding name}.
+	 *     - default:           <platform default>
+	 * 
+	 * JAVACORE / Reporting Incomplete Classpath
+	 *    Indicate the severity of the problem reported when an entry on the classpath does not exist, 
+	 *    is not legite or is not visible (for example, a referenced project is closed).
+	 *     - option id:         "org.eclipse.jdt.core.incompleteClasspath"
+	 *     - possible values:   { "error", "warning"}
+	 *     - default:           "error"
+	 * 
+	 * JAVACORE / Reporting Classpath Cycle
+	 *    Indicate the severity of the problem reported when a project is involved in a cycle.
+	 *     - option id:         "org.eclipse.jdt.core.circularClasspath"
+	 *     - possible values:   { "error", "warning" }
+	 *     - default:           "error"
+	 * 
+	 * JAVACORE / Enabling Usage of Classpath Exclusion Patterns
+	 *    When disabled, no entry on a project classpath can be associated with
+	 *    an exclusion pattern.
+	 *     - option id:         "org.eclipse.jdt.core.classpath.exclusionPatterns"
+	 *     - possible values:   { "enabled", "disabled" }
+	 *     - default:           "enabled"
+	 * 
+	 * JAVACORE / Enabling Usage of Classpath Multiple Output Locations
+	 *    When disabled, no entry on a project classpath can be associated with
+	 *    a specific output location, preventing thus usage of multiple output locations.
+	 *     - option id:         "org.eclipse.jdt.core.classpath.multipleOutputLocations"
+	 *     - possible values:   { "enabled", "disabled" }
+	 *     - default:           "enabled"
+	 * 
+	 *	FORMATTER / Inserting New Line Before Opening Brace
+	 *    When Insert, a new line is inserted before an opening brace, otherwise nothing
+	 *    is inserted
+	 *     - option id:         "org.eclipse.jdt.core.formatter.newline.openingBrace"
+	 *     - possible values:   { "insert", "do not insert" }
+	 *     - default:           "do not insert"
+	 * 
+	 *	FORMATTER / Inserting New Line Inside Control Statement
+	 *    When Insert, a new line is inserted between } and following else, catch, finally
+	 *     - option id:         "org.eclipse.jdt.core.formatter.newline.controlStatement"
+	 *     - possible values:   { "insert", "do not insert" }
+	 *     - default:           "do not insert"
+	 * 
+	 *	FORMATTER / Clearing Blank Lines
+	 *    When Clear all, all blank lines are removed. When Preserve one, only one is kept
+	 *    and all others removed.
+	 *     - option id:         "org.eclipse.jdt.core.formatter.newline.clearAll"
+	 *     - possible values:   { "clear all", "preserve one" }
+	 *     - default:           "preserve one"
+	 * 
+	 *	FORMATTER / Inserting New Line Between Else/If 
+	 *    When Insert, a blank line is inserted between an else and an if when they are 
+	 *    contiguous. When choosing to not insert, else-if will be kept on the same
+	 *    line when possible.
+	 *     - option id:         "org.eclipse.jdt.core.formatter.newline.elseIf"
+	 *     - possible values:   { "insert", "do not insert" }
+	 *     - default:           "do not insert"
+	 * 
+	 *	FORMATTER / Inserting New Line In Empty Block
+	 *    When insert, a line break is inserted between contiguous { and }, if } is not followed
+	 *    by a keyword.
+	 *     - option id:         "org.eclipse.jdt.core.formatter.newline.emptyBlock"
+	 *     - possible values:   { "insert", "do not insert" }
+	 *     - default:           "insert"
+	 * 
+	 *	FORMATTER / Splitting Lines Exceeding Length
+	 *    Enable splitting of long lines (exceeding the configurable length). Length of 0 will
+	 *    disable line splitting
+	 *     - option id:         "org.eclipse.jdt.core.formatter.lineSplit"
+	 *     - possible values:	"<n>", where n is zero or a positive integer
+	 *     - default:           "80"
+	 * 
+	 *	FORMATTER / Compacting Assignment
+	 *    Assignments can be formatted asymmetrically, for example 'int x= 2;', when Normal, a space
+	 *    is inserted before the assignment operator
+	 *     - option id:         "org.eclipse.jdt.core.formatter.style.assignment"
+	 *     - possible values:   { "compact", "normal" }
+	 *     - default:           "normal"
+	 * 
+	 *	FORMATTER / Defining Indentation Character
+	 *    Either choose to indent with tab characters or spaces
+	 *     - option id:         "org.eclipse.jdt.core.formatter.tabulation.char"
+	 *     - possible values:   { "tab", "space" }
+	 *     - default:           "tab"
+	 * 
+	 *	FORMATTER / Defining Space Indentation Length
+	 *    When using spaces, set the amount of space characters to use for each 
+	 *    indentation mark.
+	 *     - option id:         "org.eclipse.jdt.core.formatter.tabulation.size"
+	 *     - possible values:	"<n>", where n is a positive integer
+	 *     - default:           "4"
+	 * 
+	 *	FORMATTER / Inserting space in cast expression
+	 *    When Insert, a space is added between the type and the expression in a cast expression.
+	 *     - option id:         "org.eclipse.jdt.core.formatter.space.castexpression"
+	 *     - possible values:   { "insert", "do not insert" }
+	 *     - default:           "insert"
+	 * 
+	 *	CODEASSIST / Activate Visibility Sensitive Completion
+	 *    When active, completion doesn't show that you can not see
+	 *    (for example, you can not see private methods of a super class).
+	 *     - option id:         "org.eclipse.jdt.core.codeComplete.visibilityCheck"
+	 *     - possible values:   { "enabled", "disabled" }
+	 *     - default:           "disabled"
+	 * 
+	 *	CODEASSIST / Automatic Qualification of Implicit Members
+	 *    When active, completion automatically qualifies completion on implicit
+	 *    field references and message expressions.
+	 *     - option id:         "org.eclipse.jdt.core.codeComplete.forceImplicitQualification"
+	 *     - possible values:   { "enabled", "disabled" }
+	 *     - default:           "disabled"
+	 * 
+	 *  CODEASSIST / Define the Prefixes for Field Name
+	 *    When the prefixes is non empty, completion for field name will begin with
+	 *    one of the proposed prefixes.
+	 *     - option id:         "org.eclipse.jdt.core.codeComplete.fieldPrefixes"
+	 *     - possible values:   { "<prefix>[,<prefix>]*" } where <prefix> is a String without any wild-card 
+	 *     - default:           ""
+	 * 
+	 *  CODEASSIST / Define the Prefixes for Static Field Name
+	 *    When the prefixes is non empty, completion for static field name will begin with
+	 *    one of the proposed prefixes.
+	 *     - option id:         "org.eclipse.jdt.core.codeComplete.staticFieldPrefixes"
+	 *     - possible values:   { "<prefix>[,<prefix>]*" } where <prefix> is a String without any wild-card 
+	 *     - default:           ""
+	 * 
+	 *  CODEASSIST / Define the Prefixes for Local Variable Name
+	 *    When the prefixes is non empty, completion for local variable name will begin with
+	 *    one of the proposed prefixes.
+	 *     - option id:         "org.eclipse.jdt.core.codeComplete.localPrefixes"
+	 *     - possible values:   { "<prefix>[,<prefix>]*" } where <prefix> is a String without any wild-card 
+	 *     - default:           ""
+	 * 
+	 *  CODEASSIST / Define the Prefixes for Argument Name
+	 *    When the prefixes is non empty, completion for argument name will begin with
+	 *    one of the proposed prefixes.
+	 *     - option id:         "org.eclipse.jdt.core.codeComplete.argumentPrefixes"
+	 *     - possible values:   { "<prefix>[,<prefix>]*" } where <prefix> is a String without any wild-card 
+	 *     - default:           ""
+	 * 
+	 *  CODEASSIST / Define the Suffixes for Field Name
+	 *    When the suffixes is non empty, completion for field name will end with
+	 *    one of the proposed suffixes.
+	 *     - option id:         "org.eclipse.jdt.core.codeComplete.fieldSuffixes"
+	 *     - possible values:   { "<suffix>[,<suffix>]*" } where <suffix> is a String without any wild-card 
+	 *     - default:           ""
+	 * 
+	 *  CODEASSIST / Define the Suffixes for Static Field Name
+	 *    When the suffixes is non empty, completion for static field name will end with
+	 *    one of the proposed suffixes.
+	 *     - option id:         "org.eclipse.jdt.core.codeComplete.staticFieldSuffixes"
+	 *     - possible values:   { "<suffix>[,<suffix>]*" } where <suffix> is a String without any wild-card 
+	 *     - default:           ""
+	 * 
+	 *  CODEASSIST / Define the Suffixes for Local Variable Name
+	 *    When the suffixes is non empty, completion for local variable name will end with
+	 *    one of the proposed suffixes.
+	 *     - option id:         "org.eclipse.jdt.core.codeComplete.localSuffixes"
+	 *     - possible values:   { "<suffix>[,<suffix>]*" } where <suffix> is a String without any wild-card 
+	 *     - default:           ""
+	 * 
+	 *  CODEASSIST / Define the Suffixes for Argument Name
+	 *    When the suffixes is non empty, completion for argument name will end with
+	 *    one of the proposed suffixes.
+	 *     - option id:         "org.eclipse.jdt.core.codeComplete.argumentSuffixes"
+	 *     - possible values:   { "<suffix>[,<suffix>]*" } where <prefix> is a String without any wild-card 
+	 *     - default:           ""
+	 * </pre>
+	 * 
+	 * @return a mutable table containing the default settings of all known options
+	 *   (key type: <code>String</code>; value type: <code>String</code>)
+	 * @see #setOptions
+	 */
+ 	public static Hashtable getDefaultOptions(){
+	
+		Hashtable defaultOptions = new Hashtable(10);
+
+		// see #initializeDefaultPluginPreferences() for changing default settings
+		Preferences preferences = getPlugin().getPluginPreferences();
+		HashSet optionNames = JavaModelManager.OptionNames;
+		
+		// get preferences set to their default
+		String[] defaultPropertyNames = preferences.defaultPropertyNames();
+		for (int i = 0; i < defaultPropertyNames.length; i++){
+			String propertyName = defaultPropertyNames[i];
+			if (optionNames.contains(propertyName)) {
+				defaultOptions.put(propertyName, preferences.getDefaultString(propertyName));
+			}
+		}		
+		// get preferences not set to their default
+		String[] propertyNames = preferences.propertyNames();
+		for (int i = 0; i < propertyNames.length; i++){
+			String propertyName = propertyNames[i];
+			if (optionNames.contains(propertyName)) {
+				defaultOptions.put(propertyName, preferences.getDefaultString(propertyName));
+			}
+		}		
+		// get encoding through resource plugin
+		defaultOptions.put(CORE_ENCODING, ResourcesPlugin.getEncoding()); 
+		
+		return defaultOptions;
+	}
+
+	/**
+	 * Returns the single instance of the Java core plug-in runtime class.
+	 * Equivalent to <code>(JavaCore) getPlugin()</code>.
+	 * 
+	 * @return the single instance of the Java core plug-in runtime class
+	 */
+	public static JavaCore getJavaCore() {
+		return (JavaCore) getPlugin();
+	}
+	
+	/**
+	 * Helper method for returning one option value only. Equivalent to <code>(String)JavaCore.getOptions().get(optionName)</code>
+	 * Note that it may answer <code>null</code> if this option does not exist.
+	 * <p>
+	 * For a complete description of the configurable options, see <code>getDefaultOptions</code>.
+	 * </p>
+	 * 
+	 * @param optionName the name of an option
+	 * @return the String value of a given option
+	 * @see JavaCore#getDefaultOptions
+	 * @since 2.0
+	 */
+	public static String getOption(String optionName) {
+		
+		if (CORE_ENCODING.equals(optionName)){
+			return ResourcesPlugin.getEncoding();
+		}
+		if (JavaModelManager.OptionNames.contains(optionName)){
+			Preferences preferences = getPlugin().getPluginPreferences();
+			return preferences.getString(optionName).trim();
+		}
+		return null;
+	}
+	
+	/**
+	 * Returns the table of the current options. Initially, all options have their default values,
+	 * and this method returns a table that includes all known options.
+	 * <p>
+	 * For a complete description of the configurable options, see <code>getDefaultOptions</code>.
+	 * </p>
+	 * 
+	 * @return table of current settings of all options 
+	 *   (key type: <code>String</code>; value type: <code>String</code>)
+	 * @see JavaCore#getDefaultOptions
+	 */
+	public static Hashtable getOptions() {
+		
+		Hashtable options = new Hashtable(10);
+
+		// see #initializeDefaultPluginPreferences() for changing default settings
+		Plugin plugin = getPlugin();
+		if (plugin != null) {
+			Preferences preferences = getPlugin().getPluginPreferences();
+			HashSet optionNames = JavaModelManager.OptionNames;
+			
+			// get preferences set to their default
+			String[] defaultPropertyNames = preferences.defaultPropertyNames();
+			for (int i = 0; i < defaultPropertyNames.length; i++){
+				String propertyName = defaultPropertyNames[i];
+				if (optionNames.contains(propertyName)){
+					options.put(propertyName, preferences.getDefaultString(propertyName));
+				}
+			}		
+			// get preferences not set to their default
+			String[] propertyNames = preferences.propertyNames();
+			for (int i = 0; i < propertyNames.length; i++){
+				String propertyName = propertyNames[i];
+				if (optionNames.contains(propertyName)){
+					options.put(propertyName, preferences.getString(propertyName).trim());
+				}
+			}		
+			// get encoding through resource plugin
+			options.put(CORE_ENCODING, ResourcesPlugin.getEncoding());
+		}
+		return options;
+	}
+		
+	/**
+	 * Returns the single instance of the Java core plug-in runtime class.
+	 * 
+	 * @return the single instance of the Java core plug-in runtime class
+	 */
+	public static Plugin getPlugin() {
+		return JAVA_CORE_PLUGIN;
+	}
+
+	/**
+	 * This is a helper method, which returns the resolved classpath entry denoted 
+	 * by a given entry (if it is a variable entry). It is obtained by resolving the variable 
+	 * reference in the first segment. Returns <node>null</code> if unable to resolve using 
+	 * the following algorithm:
+	 * <ul>
+	 * <li> if variable segment cannot be resolved, returns <code>null</code></li>
+	 * <li> finds a project, JAR or binary folder in the workspace at the resolved path location</li>
+	 * <li> if none finds an external JAR file or folder outside the workspace at the resolved path location </li>
+	 * <li> if none returns <code>null</code></li>
+	 * </ul>
+	 * <p>
+	 * Variable source attachment path and root path are also resolved and recorded in the resulting classpath entry.
+	 * <p>
+	 * NOTE: This helper method does not handle classpath containers, for which should rather be used
+	 * <code>JavaCore#getClasspathContainer(IPath, IJavaProject)</code>.
+	 * <p>
+	 * 
+	 * @param entry the given variable entry
+	 * @return the resolved library or project classpath entry, or <code>null</code>
+	 *   if the given variable entry could not be resolved to a valid classpath entry
+	 */
+//	public static IClasspathEntry getResolvedClasspathEntry(IClasspathEntry entry) {
+//	
+//		if (entry.getEntryKind() != IClasspathEntry.CPE_VARIABLE)
+//			return entry;
+//	
+//		IWorkspaceRoot workspaceRoot = ResourcesPlugin.getWorkspace().getRoot();
+//		IPath resolvedPath = JavaCore.getResolvedVariablePath(entry.getPath());
+//		if (resolvedPath == null)
+//			return null;
+//	
+//		Object target = JavaModel.getTarget(workspaceRoot, resolvedPath, false);
+//		if (target == null)
+//			return null;
+//	
+//		// inside the workspace
+//		if (target instanceof IResource) {
+//			IResource resolvedResource = (IResource) target;
+//			if (resolvedResource != null) {
+//				switch (resolvedResource.getType()) {
+//					
+//					case IResource.PROJECT :  
+//						// internal project
+//						return JavaCore.newProjectEntry(resolvedPath, entry.isExported());
+//						
+//					case IResource.FILE : 
+//						if (Util.isArchiveFileName(resolvedResource.getName())) {
+//							// internal binary archive
+//							return JavaCore.newLibraryEntry(
+//									resolvedPath,
+//									getResolvedVariablePath(entry.getSourceAttachmentPath()),
+//									getResolvedVariablePath(entry.getSourceAttachmentRootPath()),
+//									entry.isExported());
+//						}
+//						break;
+//						
+//					case IResource.FOLDER : 
+//						// internal binary folder
+//						return JavaCore.newLibraryEntry(
+//								resolvedPath,
+//								getResolvedVariablePath(entry.getSourceAttachmentPath()),
+//								getResolvedVariablePath(entry.getSourceAttachmentRootPath()),
+//								entry.isExported());
+//				}
+//			}
+//		}
+//		// outside the workspace
+//		if (target instanceof File) {
+//			File externalFile = (File) target;
+//			if (externalFile.isFile()) {
+//				String fileName = externalFile.getName().toLowerCase();
+//				if (fileName.endsWith(".jar"  //$NON-NLS-1$
+//					) || fileName.endsWith(".zip"  //$NON-NLS-1$
+//					)) { // external binary archive
+//					return JavaCore.newLibraryEntry(
+//							resolvedPath,
+//							getResolvedVariablePath(entry.getSourceAttachmentPath()),
+//							getResolvedVariablePath(entry.getSourceAttachmentRootPath()),
+//							entry.isExported());
+//				}
+//			} else { // external binary folder
+//				if (resolvedPath.isAbsolute()){
+//					return JavaCore.newLibraryEntry(
+//							resolvedPath,
+//							getResolvedVariablePath(entry.getSourceAttachmentPath()),
+//							getResolvedVariablePath(entry.getSourceAttachmentRootPath()),
+//							entry.isExported());
+//				}
+//			}
+//		}
+//		return null;
+//	}
+
+
+	/**
+	 * Resolve a variable path (helper method).
+	 * 
+	 * @param variablePath the given variable path
+	 * @return the resolved variable path or <code>null</code> if none
+	 */
+//	public static IPath getResolvedVariablePath(IPath variablePath) {
+//	
+//		if (variablePath == null)
+//			return null;
+//		int count = variablePath.segmentCount();
+//		if (count == 0)
+//			return null;
+//	
+//		// lookup variable	
+//		String variableName = variablePath.segment(0);
+//		IPath resolvedPath = JavaCore.getClasspathVariable(variableName);
+//		if (resolvedPath == null)
+//			return null;
+//	
+//		// append path suffix
+//		if (count > 1) {
+//			resolvedPath = resolvedPath.append(variablePath.removeFirstSegments(1));
+//		}
+//		return resolvedPath; 
+//	}
+
+	/**
+	 * Answers the shared working copies currently registered for this buffer factory. 
+	 * Working copies can be shared by several clients using the same buffer factory,see 
+	 * <code>IWorkingCopy.getSharedWorkingCopy</code>.
+	 * 
+	 * @param factory the given buffer factory
+	 * @return the list of shared working copies for a given buffer factory
+	 * @see IWorkingCopy
+	 * @since 2.0
+	 */
+	public static IWorkingCopy[] getSharedWorkingCopies(IBufferFactory factory){
+		
+		// if factory is null, default factory must be used
+		if (factory == null) factory = BufferManager.getDefaultBufferManager().getDefaultBufferFactory();
+		Map sharedWorkingCopies = JavaModelManager.getJavaModelManager().sharedWorkingCopies;
+		
+		Map perFactoryWorkingCopies = (Map) sharedWorkingCopies.get(factory);
+		if (perFactoryWorkingCopies == null) return JavaModelManager.NoWorkingCopy;
+		Collection copies = perFactoryWorkingCopies.values();
+		IWorkingCopy[] result = new IWorkingCopy[copies.size()];
+		copies.toArray(result);
+		return result;
+	}
+	
+	/**
+	 * Initializes the default preferences settings for this plug-in.
+	 */
+	protected void initializeDefaultPluginPreferences() {
+		
+		Preferences preferences = getPluginPreferences();
+		HashSet optionNames = JavaModelManager.OptionNames;
+		
+		// Compiler settings
+		preferences.setDefault(COMPILER_LOCAL_VARIABLE_ATTR, GENERATE);
+		optionNames.add(COMPILER_LOCAL_VARIABLE_ATTR);
+
+		preferences.setDefault(COMPILER_LINE_NUMBER_ATTR, GENERATE); 
+		optionNames.add(COMPILER_LINE_NUMBER_ATTR);
+
+		preferences.setDefault(COMPILER_SOURCE_FILE_ATTR, GENERATE); 
+		optionNames.add(COMPILER_SOURCE_FILE_ATTR);
+
+		preferences.setDefault(COMPILER_CODEGEN_UNUSED_LOCAL, PRESERVE); 
+		optionNames.add(COMPILER_CODEGEN_UNUSED_LOCAL);
+
+		preferences.setDefault(COMPILER_CODEGEN_TARGET_PLATFORM, VERSION_1_1); 
+		optionNames.add(COMPILER_CODEGEN_TARGET_PLATFORM);
+
+		preferences.setDefault(COMPILER_PB_UNREACHABLE_CODE, ERROR); 
+		optionNames.add(COMPILER_PB_UNREACHABLE_CODE);
+
+		preferences.setDefault(COMPILER_PB_INVALID_IMPORT, ERROR); 
+		optionNames.add(COMPILER_PB_INVALID_IMPORT);
+
+		preferences.setDefault(COMPILER_PB_OVERRIDING_PACKAGE_DEFAULT_METHOD, WARNING); 
+		optionNames.add(COMPILER_PB_OVERRIDING_PACKAGE_DEFAULT_METHOD);
+
+		preferences.setDefault(COMPILER_PB_METHOD_WITH_CONSTRUCTOR_NAME, WARNING); 
+		optionNames.add(COMPILER_PB_METHOD_WITH_CONSTRUCTOR_NAME);
+
+		preferences.setDefault(COMPILER_PB_DEPRECATION, WARNING);
+		optionNames.add(COMPILER_PB_DEPRECATION);
+
+		preferences.setDefault(COMPILER_PB_DEPRECATION_IN_DEPRECATED_CODE, DISABLED);
+		optionNames.add(COMPILER_PB_DEPRECATION_IN_DEPRECATED_CODE);
+
+		preferences.setDefault(COMPILER_PB_HIDDEN_CATCH_BLOCK, WARNING); 
+		optionNames.add(COMPILER_PB_HIDDEN_CATCH_BLOCK);
+
+		preferences.setDefault(COMPILER_PB_UNUSED_LOCAL, IGNORE); 
+		optionNames.add(COMPILER_PB_UNUSED_LOCAL);
+
+		preferences.setDefault(COMPILER_PB_UNUSED_PARAMETER, IGNORE); 
+		optionNames.add(COMPILER_PB_UNUSED_PARAMETER);
+
+		preferences.setDefault(COMPILER_PB_UNUSED_PARAMETER_WHEN_IMPLEMENTING_ABSTRACT, DISABLED); 
+		optionNames.add(COMPILER_PB_UNUSED_PARAMETER_WHEN_IMPLEMENTING_ABSTRACT);
+
+		preferences.setDefault(COMPILER_PB_UNUSED_PARAMETER_WHEN_OVERRIDING_CONCRETE, DISABLED); 
+		optionNames.add(COMPILER_PB_UNUSED_PARAMETER_WHEN_OVERRIDING_CONCRETE);
+
+		preferences.setDefault(COMPILER_PB_UNUSED_IMPORT, WARNING); 
+		optionNames.add(COMPILER_PB_UNUSED_IMPORT);
+
+		preferences.setDefault(COMPILER_PB_UNUSED_PRIVATE_MEMBER, IGNORE); 
+		optionNames.add(COMPILER_PB_UNUSED_PRIVATE_MEMBER);
+
+		preferences.setDefault(COMPILER_PB_SYNTHETIC_ACCESS_EMULATION, IGNORE); 
+		optionNames.add(COMPILER_PB_SYNTHETIC_ACCESS_EMULATION);
+
+		preferences.setDefault(COMPILER_PB_NON_NLS_STRING_LITERAL, IGNORE); 
+		optionNames.add(COMPILER_PB_NON_NLS_STRING_LITERAL);
+
+		preferences.setDefault(COMPILER_PB_ASSERT_IDENTIFIER, IGNORE); 
+		optionNames.add(COMPILER_PB_ASSERT_IDENTIFIER);
+
+		preferences.setDefault(COMPILER_PB_STATIC_ACCESS_RECEIVER, WARNING); 
+		optionNames.add(COMPILER_PB_STATIC_ACCESS_RECEIVER);
+
+		preferences.setDefault(COMPILER_PB_NO_EFFECT_ASSIGNMENT, WARNING); 
+		optionNames.add(COMPILER_PB_NO_EFFECT_ASSIGNMENT);
+
+		preferences.setDefault(COMPILER_PB_INCOMPATIBLE_NON_INHERITED_INTERFACE_METHOD, WARNING); 
+		optionNames.add(COMPILER_PB_INCOMPATIBLE_NON_INHERITED_INTERFACE_METHOD);
+
+		preferences.setDefault(COMPILER_PB_CHAR_ARRAY_IN_STRING_CONCATENATION, WARNING); 
+		optionNames.add(COMPILER_PB_CHAR_ARRAY_IN_STRING_CONCATENATION);
+
+		preferences.setDefault(COMPILER_TASK_TAGS, DEFAULT_TASK_TAG); //$NON-NLS-1$
+		optionNames.add(COMPILER_TASK_TAGS);
+
+		preferences.setDefault(COMPILER_TASK_PRIORITIES, DEFAULT_TASK_PRIORITY); //$NON-NLS-1$
+		optionNames.add(COMPILER_TASK_PRIORITIES);
+
+		preferences.setDefault(COMPILER_SOURCE, VERSION_1_3);
+		optionNames.add(COMPILER_SOURCE);
+
+		preferences.setDefault(COMPILER_COMPLIANCE, VERSION_1_3); 
+		optionNames.add(COMPILER_COMPLIANCE);
+
+		preferences.setDefault(COMPILER_PB_MAX_PER_UNIT, "100"); //$NON-NLS-1$
+		optionNames.add(COMPILER_PB_MAX_PER_UNIT);
+		
+		// Builder settings
+		preferences.setDefault(CORE_JAVA_BUILD_RESOURCE_COPY_FILTER, ""); //$NON-NLS-1$
+		optionNames.add(CORE_JAVA_BUILD_RESOURCE_COPY_FILTER);
+
+		preferences.setDefault(CORE_JAVA_BUILD_INVALID_CLASSPATH, ABORT); 
+		optionNames.add(CORE_JAVA_BUILD_INVALID_CLASSPATH);
+	
+		preferences.setDefault(CORE_JAVA_BUILD_DUPLICATE_RESOURCE, WARNING); 
+		optionNames.add(CORE_JAVA_BUILD_DUPLICATE_RESOURCE);
+		
+		preferences.setDefault(CORE_JAVA_BUILD_CLEAN_OUTPUT_FOLDER, CLEAN); 
+		optionNames.add(CORE_JAVA_BUILD_CLEAN_OUTPUT_FOLDER);
+
+		// JavaCore settings
+		preferences.setDefault(CORE_JAVA_BUILD_ORDER, IGNORE); 
+		optionNames.add(CORE_JAVA_BUILD_ORDER);
+	
+		preferences.setDefault(CORE_CIRCULAR_CLASSPATH, ERROR); 
+		optionNames.add(CORE_CIRCULAR_CLASSPATH);
+		
+		preferences.setDefault(CORE_INCOMPLETE_CLASSPATH, ERROR); 
+		optionNames.add(CORE_INCOMPLETE_CLASSPATH);
+		
+		preferences.setDefault(CORE_ENABLE_CLASSPATH_EXCLUSION_PATTERNS, ENABLED); 
+		optionNames.add(CORE_ENABLE_CLASSPATH_EXCLUSION_PATTERNS);
+
+		preferences.setDefault(CORE_ENABLE_CLASSPATH_MULTIPLE_OUTPUT_LOCATIONS, ENABLED); 
+		optionNames.add(CORE_ENABLE_CLASSPATH_MULTIPLE_OUTPUT_LOCATIONS);
+
+		// encoding setting comes from resource plug-in
+		optionNames.add(CORE_ENCODING);
+		
+		// Formatter settings
+		preferences.setDefault(FORMATTER_NEWLINE_OPENING_BRACE, DO_NOT_INSERT); 
+		optionNames.add(FORMATTER_NEWLINE_OPENING_BRACE);
+
+		preferences.setDefault(FORMATTER_NEWLINE_CONTROL, DO_NOT_INSERT);
+		optionNames.add(FORMATTER_NEWLINE_CONTROL);
+
+		preferences.setDefault(FORMATTER_CLEAR_BLANK_LINES, PRESERVE_ONE); 
+		optionNames.add(FORMATTER_CLEAR_BLANK_LINES);
+
+		preferences.setDefault(FORMATTER_NEWLINE_ELSE_IF, DO_NOT_INSERT);
+		optionNames.add(FORMATTER_NEWLINE_ELSE_IF);
+
+		preferences.setDefault(FORMATTER_NEWLINE_EMPTY_BLOCK, INSERT); 
+		optionNames.add(FORMATTER_NEWLINE_EMPTY_BLOCK);
+
+		preferences.setDefault(FORMATTER_LINE_SPLIT, "80"); //$NON-NLS-1$
+		optionNames.add(FORMATTER_LINE_SPLIT);
+
+		preferences.setDefault(FORMATTER_COMPACT_ASSIGNMENT, NORMAL); 
+		optionNames.add(FORMATTER_COMPACT_ASSIGNMENT);
+
+		preferences.setDefault(FORMATTER_TAB_CHAR, TAB); 
+		optionNames.add(FORMATTER_TAB_CHAR);
+
+		preferences.setDefault(FORMATTER_TAB_SIZE, "4"); //$NON-NLS-1$ 
+		optionNames.add(FORMATTER_TAB_SIZE);
+		
+		preferences.setDefault(FORMATTER_SPACE_CASTEXPRESSION, INSERT); //$NON-NLS-1$ 
+		optionNames.add(FORMATTER_SPACE_CASTEXPRESSION);
+
+		// CodeAssist settings
+		preferences.setDefault(CODEASSIST_VISIBILITY_CHECK, DISABLED); //$NON-NLS-1$
+		optionNames.add(CODEASSIST_VISIBILITY_CHECK);
+
+		preferences.setDefault(CODEASSIST_IMPLICIT_QUALIFICATION, DISABLED); //$NON-NLS-1$
+		optionNames.add(CODEASSIST_IMPLICIT_QUALIFICATION);
+		
+		preferences.setDefault(CODEASSIST_FIELD_PREFIXES, ""); //$NON-NLS-1$
+		optionNames.add(CODEASSIST_FIELD_PREFIXES);
+		
+		preferences.setDefault(CODEASSIST_STATIC_FIELD_PREFIXES, ""); //$NON-NLS-1$
+		optionNames.add(CODEASSIST_STATIC_FIELD_PREFIXES);
+		
+		preferences.setDefault(CODEASSIST_LOCAL_PREFIXES, ""); //$NON-NLS-1$
+		optionNames.add(CODEASSIST_LOCAL_PREFIXES);
+		
+		preferences.setDefault(CODEASSIST_ARGUMENT_PREFIXES, ""); //$NON-NLS-1$
+		optionNames.add(CODEASSIST_ARGUMENT_PREFIXES);
+		
+		preferences.setDefault(CODEASSIST_FIELD_SUFFIXES, ""); //$NON-NLS-1$
+		optionNames.add(CODEASSIST_FIELD_SUFFIXES);
+		
+		preferences.setDefault(CODEASSIST_STATIC_FIELD_SUFFIXES, ""); //$NON-NLS-1$
+		optionNames.add(CODEASSIST_STATIC_FIELD_SUFFIXES);
+		
+		preferences.setDefault(CODEASSIST_LOCAL_SUFFIXES, ""); //$NON-NLS-1$
+		optionNames.add(CODEASSIST_LOCAL_SUFFIXES);
+		
+		preferences.setDefault(CODEASSIST_ARGUMENT_SUFFIXES, ""); //$NON-NLS-1$
+		optionNames.add(CODEASSIST_ARGUMENT_SUFFIXES);
+	}
+	
+	/**
+	 * Returns whether the given marker references the given Java element.
+	 * Used for markers, which denote a Java element rather than a resource.
+	 *
+	 * @param element the element
+	 * @param marker the marker
+	 * @return <code>true</code> if the marker references the element, false otherwise
+	 * @exception CoreException if the <code>IMarker.getAttribute</code> on the marker fails 	 
+	 */
+	public static boolean isReferencedBy(IJavaElement element, IMarker marker) throws CoreException {
+		
+		// only match units or classfiles
+		if (element instanceof IMember){
+			IMember member = (IMember) element;
+			if (member.isBinary()){
+				element = null; //member.getClassFile();
+			} else {
+				element = member.getCompilationUnit();
+			}
+		}
+		if (element == null) return false;			
+		if (marker == null) return false;
+
+		String markerHandleId = (String)marker.getAttribute(ATT_HANDLE_ID);
+		if (markerHandleId == null) return false;
+		
+		IJavaElement markerElement = JavaCore.create(markerHandleId);
+//		while (true){
+			if (element.equals(markerElement)) return true; // external elements may still be equal with different handleIDs.
+			
+			// cycle through enclosing types in case marker is associated with a classfile (15568)
+//			if (markerElement instanceof IClassFile){
+//				IType enclosingType = ((IClassFile)markerElement).getType().getDeclaringType();
+//				if (enclosingType != null){
+//					markerElement = enclosingType.getClassFile(); // retry with immediate enclosing classfile
+//					continue;
+//				}
+//			}
+//			break;
+//		}
+		return false;
+	}
+
+	/**
+	 * Returns whether the given marker delta references the given Java element.
+	 * Used for markers deltas, which denote a Java element rather than a resource.
+	 *
+	 * @param element the element
+	 * @param markerDelta the marker delta
+	 * @return <code>true</code> if the marker delta references the element
+	 * @exception CoreException if the  <code>IMarkerDelta.getAttribute</code> on the marker delta fails 	 
+	 */
+	public static boolean isReferencedBy(IJavaElement element, IMarkerDelta markerDelta) throws CoreException {
+		
+		// only match units or classfiles
+		if (element instanceof IMember){
+			IMember member = (IMember) element;
+			if (member.isBinary()){
+				element = null; //member.getClassFile();
+			} else {
+				element = member.getCompilationUnit();
+			}
+		}
+		if (element == null) return false;			
+		if (markerDelta == null) return false;
+
+		String markerDeltarHandleId = (String)markerDelta.getAttribute(ATT_HANDLE_ID);
+		if (markerDeltarHandleId == null) return false;
+		
+		IJavaElement markerElement = JavaCore.create(markerDeltarHandleId);
+//		while (true){
+			if (element.equals(markerElement)) return true; // external elements may still be equal with different handleIDs.
+			
+			// cycle through enclosing types in case marker is associated with a classfile (15568)
+//			if (markerElement instanceof IClassFile){
+//				IType enclosingType = ((IClassFile)markerElement).getType().getDeclaringType();
+//				if (enclosingType != null){
+//					markerElement = enclosingType.getClassFile(); // retry with immediate enclosing classfile
+//					continue;
+//				}
+//			}
+//			break;
+//		}
+		return false;
+	}
+
+	/**
+	 * Creates and returns a new classpath entry of kind <code>CPE_CONTAINER</code>
+	 * for the given path. The path of the container will be used during resolution so as to map this
+	 * container entry to a set of other classpath entries the container is acting for.
+	 * <p>
+	 * A container entry allows to express indirect references to a set of libraries, projects and variable entries,
+	 * which can be interpreted differently for each Java project where it is used.
+	 * A classpath container entry can be resolved using <code>JavaCore.getResolvedClasspathContainer</code>,
+	 * and updated with <code>JavaCore.classpathContainerChanged</code>
+	 * <p>
+	 * A container is exclusively resolved by a <code>ClasspathContainerInitializer</code> registered onto the
+	 * extension point "org.eclipse.jdt.core.classpathContainerInitializer".
+	 * <p>
+	 * A container path must be formed of at least one segment, where: <ul>
+	 * <li> the first segment is a unique ID identifying the target container, there must be a container initializer registered
+	 * 	onto this ID through the extension point  "org.eclipse.jdt.core.classpathContainerInitializer". </li>
+	 * <li> the remaining segments will be passed onto the initializer, and can be used as additional
+	 * 	hints during the initialization phase. </li>
+	 * </ul>
+	 * <p>
+	 * Example of an ClasspathContainerInitializer for a classpath container denoting a default JDK container:
+	 * 
+	 * containerEntry = JavaCore.newContainerEntry(new Path("MyProvidedJDK/default"));
+	 * 
+	 * <extension
+	 *    point="org.eclipse.jdt.core.classpathContainerInitializer">
+	 *    <containerInitializer
+	 *       id="MyProvidedJDK"
+	 *       class="com.example.MyInitializer"/> 
+	 * <p>
+	 * Note that this operation does not attempt to validate classpath containers
+	 * or access the resources at the given paths.
+	 * <p>
+	 * The resulting entry is not exported to dependent projects. This method is equivalent to
+	 * <code>newContainerEntry(-,false)</code>.
+	 * <p>
+	 * @param containerPath the path identifying the container, it must be formed of two
+	 * 	segments
+	 * @return a new container classpath entry
+	 * 
+	 * @see JavaCore#getClasspathContainer(IPath, IJavaProject)
+	 * @see JavaCore#newContainerEntry(IPath, boolean)
+	 * @since 2.0
+	 */
+//	public static IClasspathEntry newContainerEntry(IPath containerPath) {
+//			
+//		return newContainerEntry(containerPath, false);
+//	}
+
+	/**
+	 * Creates and returns a new classpath entry of kind <code>CPE_CONTAINER</code>
+	 * for the given path. The path of the container will be used during resolution so as to map this
+	 * container entry to a set of other classpath entries the container is acting for.
+	 * <p>
+	 * A container entry allows to express indirect references to a set of libraries, projects and variable entries,
+	 * which can be interpreted differently for each Java project where it is used.
+	 * A classpath container entry can be resolved using <code>JavaCore.getResolvedClasspathContainer</code>,
+	 * and updated with <code>JavaCore.classpathContainerChanged</code>
+	 * <p>
+	 * A container is exclusively resolved by a <code>ClasspathContainerInitializer</code> registered onto the
+	 * extension point "org.eclipse.jdt.core.classpathContainerInitializer".
+	 * <p>
+	 * A container path must be formed of at least one segment, where: <ul>
+	 * <li> the first segment is a unique ID identifying the target container, there must be a container initializer registered
+	 * 	onto this ID through the extension point  "org.eclipse.jdt.core.classpathContainerInitializer". </li>
+	 * <li> the remaining segments will be passed onto the initializer, and can be used as additional
+	 * 	hints during the initialization phase. </li>
+	 * </ul>
+	 * <p>
+	 * Example of an ClasspathContainerInitializer for a classpath container denoting a default JDK container:
+	 * 
+	 * containerEntry = JavaCore.newContainerEntry(new Path("MyProvidedJDK/default"));
+	 * 
+	 * <extension
+	 *    point="org.eclipse.jdt.core.classpathContainerInitializer">
+	 *    <containerInitializer
+	 *       id="MyProvidedJDK"
+	 *       class="com.example.MyInitializer"/> 
+	 * <p>
+	 * Note that this operation does not attempt to validate classpath containers
+	 * or access the resources at the given paths.
+	 * <p>
+	 * @param containerPath the path identifying the container, it must be formed of at least
+	 * 	one segment (ID+hints)
+	 * @param isExported a boolean indicating whether this entry is contributed to dependent
+	 *    projects in addition to the output location
+	 * @return a new container classpath entry
+	 * 
+	 * @see JavaCore#getClasspathContainer(IPath, IJavaProject)
+	 * @see JavaCore#setClasspathContainer(IPath, IJavaProject[], IClasspathContainer[], IProgressMonitor)
+	 * @see JavaCore#newContainerEntry(IPath, boolean)
+	 * @since 2.0
+	 */
+//	public static IClasspathEntry newContainerEntry(IPath containerPath, boolean isExported) {
+//			
+//		if (containerPath == null || containerPath.segmentCount() < 1) {
+//			Assert.isTrue(
+//				false,
+//				"Illegal classpath container path: \'" + containerPath.makeRelative().toString() + "\', must have at least one segment (containerID+hints)"); //$NON-NLS-1$//$NON-NLS-2$
+//		}
+//		return new ClasspathEntry(
+//			IPackageFragmentRoot.K_SOURCE,
+//			IClasspathEntry.CPE_CONTAINER,
+//			containerPath,
+//			ClasspathEntry.NO_EXCLUSION_PATTERNS, 
+//			null, // source attachment
+//			null, // source attachment root
+//			null, // specific output folder
+//			isExported);
+//	}
+
+	/**
+	 * Creates and returns a new non-exported classpath entry of kind <code>CPE_LIBRARY</code> for the 
+	 * JAR or folder identified by the given absolute path. This specifies that all package fragments 
+	 * within the root will have children of type <code>IClassFile</code>.
+	 * <p>
+	 * A library entry is used to denote a prerequisite JAR or root folder containing binaries.
+	 * The target JAR or folder can either be defined internally to the workspace (absolute path relative
+	 * to the workspace root) or externally to the workspace (absolute path in the file system).
+	 * <p>
+	 * e.g. Here are some examples of binary path usage<ul>
+	 *	<li><code> "c:/jdk1.2.2/jre/lib/rt.jar" </code> - reference to an external JAR</li>
+	 *	<li><code> "/Project/someLib.jar" </code> - reference to an internal JAR </li>
+	 *	<li><code> "c:/classes/" </code> - reference to an external binary folder</li>
+	 * </ul>
+	 * Note that this operation does not attempt to validate or access the 
+	 * resources at the given paths.
+	 * <p>
+	 * The resulting entry is not exported to dependent projects. This method is equivalent to
+	 * <code>newLibraryEntry(-,-,-,false)</code>.
+	 * <p>
+	 * 
+	 * @param path the absolute path of the binary archive
+	 * @param sourceAttachmentPath the absolute path of the corresponding source archive or folder, 
+	 *    or <code>null</code> if none
+	 * @param sourceAttachmentRootPath the location of the root within the source archive or folder
+	 *    or <code>null</code> if this location should be automatically detected.
+	 * @return a new library classpath entry
+	 * 
+	 * @see #newLibraryEntry(IPath, IPath, IPath, boolean)
+	 */
+//	public static IClasspathEntry newLibraryEntry(
+//		IPath path,
+//		IPath sourceAttachmentPath,
+//		IPath sourceAttachmentRootPath) {
+//			
+//		return newLibraryEntry(path, sourceAttachmentPath, sourceAttachmentRootPath, false);
+//	}
+
+	/**
+	 * Creates and returns a new classpath entry of kind <code>CPE_LIBRARY</code> for the JAR or folder
+	 * identified by the given absolute path. This specifies that all package fragments within the root 
+	 * will have children of type <code>IClassFile</code>.
+	 * <p>
+	 * A library entry is used to denote a prerequisite JAR or root folder containing binaries.
+	 * The target JAR or folder can either be defined internally to the workspace (absolute path relative
+	 * to the workspace root) or externally to the workspace (absolute path in the file system).
+	 *	<p>
+	 * e.g. Here are some examples of binary path usage<ul>
+	 *	<li><code> "c:/jdk1.2.2/jre/lib/rt.jar" </code> - reference to an external JAR</li>
+	 *	<li><code> "/Project/someLib.jar" </code> - reference to an internal JAR </li>
+	 *	<li><code> "c:/classes/" </code> - reference to an external binary folder</li>
+	 * </ul>
+	 * Note that this operation does not attempt to validate or access the 
+	 * resources at the given paths.
+	 * <p>
+	 * 
+	 * @param path the absolute path of the binary archive
+	 * @param sourceAttachmentPath the absolute path of the corresponding source archive or folder, 
+	 *    or <code>null</code> if none
+	 * @param sourceAttachmentRootPath the location of the root within the source archive or folder
+	 *    or <code>null</code> if this location should be automatically detected.
+	 * @param isExported indicates whether this entry is contributed to dependent
+	 * 	  projects in addition to the output location
+	 * @return a new library classpath entry
+	 * @since 2.0
+	 */
+//	public static IClasspathEntry newLibraryEntry(
+//		IPath path,
+//		IPath sourceAttachmentPath,
+//		IPath sourceAttachmentRootPath,
+//		boolean isExported) {
+//			
+//		if (!path.isAbsolute()) Assert.isTrue(false, "Path for IClasspathEntry must be absolute"); //$NON-NLS-1$
+//
+//		return new ClasspathEntry(
+//			IPackageFragmentRoot.K_BINARY,
+//			IClasspathEntry.CPE_LIBRARY,
+//			JavaProject.canonicalizedPath(path),
+//			ClasspathEntry.NO_EXCLUSION_PATTERNS, 
+//			sourceAttachmentPath,
+//			sourceAttachmentRootPath,
+//			null, // specific output folder
+//			isExported);
+//	}
+
+	/**
+	 * Creates and returns a new non-exported classpath entry of kind <code>CPE_PROJECT</code>
+	 * for the project identified by the given absolute path.
+	 * <p>
+	 * A project entry is used to denote a prerequisite project on a classpath.
+	 * The referenced project will be contributed as a whole, either as sources (in the Java Model, it
+	 * contributes all its package fragment roots) or as binaries (when building, it contributes its 
+	 * whole output location).
+	 * <p>
+	 * A project reference allows to indirect through another project, independently from its internal layout. 
+	 * <p>
+	 * The prerequisite project is referred to using an absolute path relative to the workspace root.
+	 * <p>
+	 * The resulting entry is not exported to dependent projects. This method is equivalent to
+	 * <code>newProjectEntry(_,false)</code>.
+	 * <p>
+	 * 
+	 * @param path the absolute path of the binary archive
+	 * @return a new project classpath entry
+	 * 
+	 * @see JavaCore#newProjectEntry(IPath, boolean)
+	 */
+//	public static IClasspathEntry newProjectEntry(IPath path) {
+//		return newProjectEntry(path, false);
+//	}
+	
+	/**
+	 * Creates and returns a new classpath entry of kind <code>CPE_PROJECT</code>
+	 * for the project identified by the given absolute path.
+	 * <p>
+	 * A project entry is used to denote a prerequisite project on a classpath.
+	 * The referenced project will be contributed as a whole, either as sources (in the Java Model, it
+	 * contributes all its package fragment roots) or as binaries (when building, it contributes its 
+	 * whole output location).
+	 * <p>
+	 * A project reference allows to indirect through another project, independently from its internal layout. 
+	 * <p>
+	 * The prerequisite project is referred to using an absolute path relative to the workspace root.
+	 * <p>
+	 * 
+	 * @param path the absolute path of the prerequisite project
+	 * @param isExported indicates whether this entry is contributed to dependent
+	 * 	  projects in addition to the output location
+	 * @return a new project classpath entry
+	 * @since 2.0
+	 */
+//	public static IClasspathEntry newProjectEntry(IPath path, boolean isExported) {
+//		
+//		if (!path.isAbsolute()) Assert.isTrue(false, "Path for IClasspathEntry must be absolute"); //$NON-NLS-1$
+//		
+//		return new ClasspathEntry(
+//			IPackageFragmentRoot.K_SOURCE,
+//			IClasspathEntry.CPE_PROJECT,
+//			path,
+//			ClasspathEntry.NO_EXCLUSION_PATTERNS, 
+//			null, // source attachment
+//			null, // source attachment root
+//			null, // specific output folder
+//			isExported);
+//	}
+
+	/**
+	 * Returns a new empty region.
+	 * 
+	 * @return a new empty region
+	 */
+	public static IRegion newRegion() {
+		return new Region();
+	}
+
+	/**
+	 * Creates and returns a new classpath entry of kind <code>CPE_SOURCE</code>
+	 * for the project's source folder identified by the given absolute 
+	 * workspace-relative path. This specifies that all package fragments
+	 * within the root will have children of type <code>ICompilationUnit</code>.
+	 * <p>
+	 * The source folder is referred to using an absolute path relative to the
+	 * workspace root, e.g. <code>/Project/src</code>. A project's source 
+	 * folders are located with that project. That is, a source classpath
+	 * entry specifying the path <code>/P1/src</code> is only usable for
+	 * project <code>P1</code>.
+	 * </p>
+	 * <p>
+	 * The source classpath entry created by this method includes all source
+	 * files below the given workspace-relative path. To selectively exclude
+	 * some of these source files, use the factory method 
+	 * <code>JavaCore.newSourceEntry(IPath,IPath[])</code> instead.
+	 * </p>
+	 * <p>
+	 * Note that all sources/binaries inside a project are contributed as a whole through
+	 * a project entry (see <code>JavaCore.newProjectEntry</code>). Particular
+	 * source entries cannot be selectively exported.
+	 * </p>
+	 * 
+	 * @param path the absolute workspace-relative path of a source folder
+	 * @return a new source classpath entry with not exclusion patterns
+	 * 
+	 * @see #newSourceEntry(org.eclipse.core.runtime.IPath,org.eclipse.core.runtime.IPath[])
+	 */
+//	public static IClasspathEntry newSourceEntry(IPath path) {
+//
+//		return newSourceEntry(path, ClasspathEntry.NO_EXCLUSION_PATTERNS, null /*output location*/);
+//	}
+	
+	/**
+	 * Creates and returns a new classpath entry of kind <code>CPE_SOURCE</code>
+	 * for the project's source folder identified by the given absolute 
+	 * workspace-relative path but excluding all source files with paths
+	 * matching any of the given patterns. This specifies that all package
+	 * fragments within the root will have children of type 
+	 * <code>ICompilationUnit</code>.
+	 * <p>
+	 * The source folder is referred to using an absolute path relative to the
+	 * workspace root, e.g. <code>/Project/src</code>. A project's source 
+	 * folders are located with that project. That is, a source classpath
+	 * entry specifying the path <code>/P1/src</code> is only usable for
+	 * project <code>P1</code>.
+	 * </p>
+	 * <p>
+	 * The source classpath entry created by this method includes all source
+	 * files below the given workspace-relative path except for those matched
+	 * by one (or more) of the given exclusion patterns. Each exclusion pattern
+	 * is represented by a relative path, which is interpreted as relative to
+	 * the source folder. For example, if the source folder path is 
+	 * <code>/Project/src</code> and the exclusion pattern is 
+	 * <code>com/xyz/tests/&#42;&#42;</code>, then source files
+	 * like <code>/Project/src/com/xyz/Foo.java</code>
+	 * and <code>/Project/src/com/xyz/utils/Bar.java</code> would be included,
+	 * whereas <code>/Project/src/com/xyz/tests/T1.java</code>
+	 * and <code>/Project/src/com/xyz/tests/quick/T2.java</code> would be
+	 * excluded. Exclusion patterns can contain can contain '**', '*' or '?'
+	 * wildcards; see <code>IClasspathEntry.getExclusionPatterns</code>
+	 * for the full description of the syntax and semantics of exclusion
+	 * patterns.
+	 * </p>
+	 * If the empty list of exclusion patterns is specified, the source folder
+	 * will automatically include all resources located inside the source
+	 * folder. In that case, the result is entirely equivalent to using the
+	 * factory method <code>JavaCore.newSourceEntry(IPath)</code>. 
+	 * </p>
+	 * <p>
+	 * Note that all sources/binaries inside a project are contributed as a whole through
+	 * a project entry (see <code>JavaCore.newProjectEntry</code>). Particular
+	 * source entries cannot be selectively exported.
+	 * </p>
+	 *
+	 * @param path the absolute workspace-relative path of a source folder
+	 * @param exclusionPatterns the possibly empty list of exclusion patterns
+	 *    represented as relative paths
+	 * @return a new source classpath entry with the given exclusion patterns
+	 * @see #newSourceEntry(org.eclipse.core.runtime.IPath)
+	 * @see IClasspathEntry#getExclusionPatterns
+	 * 
+	 * @since 2.1
+	 */
+//	public static IClasspathEntry newSourceEntry(IPath path, IPath[] exclusionPatterns) {
+//
+//		return newSourceEntry(path, exclusionPatterns, null /*output location*/); 
+//	}
+
+	/**
+	 * Creates and returns a new classpath entry of kind <code>CPE_SOURCE</code>
+	 * for the project's source folder identified by the given absolute 
+	 * workspace-relative path but excluding all source files with paths
+	 * matching any of the given patterns, and associated with a specific output location
+	 * (that is, ".class" files are not going to the project default output location). 
+	 * All package fragments within the root will have children of type 
+	 * <code>ICompilationUnit</code>.
+	 * <p>
+	 * The source folder is referred to using an absolute path relative to the
+	 * workspace root, e.g. <code>/Project/src</code>. A project's source 
+	 * folders are located with that project. That is, a source classpath
+	 * entry specifying the path <code>/P1/src</code> is only usable for
+	 * project <code>P1</code>.
+	 * </p>
+	 * <p>
+	 * The source classpath entry created by this method includes all source
+	 * files below the given workspace-relative path except for those matched
+	 * by one (or more) of the given exclusion patterns. Each exclusion pattern
+	 * is represented by a relative path, which is interpreted as relative to
+	 * the source folder. For example, if the source folder path is 
+	 * <code>/Project/src</code> and the exclusion pattern is 
+	 * <code>com/xyz/tests/&#42;&#42;</code>, then source files
+	 * like <code>/Project/src/com/xyz/Foo.java</code>
+	 * and <code>/Project/src/com/xyz/utils/Bar.java</code> would be included,
+	 * whereas <code>/Project/src/com/xyz/tests/T1.java</code>
+	 * and <code>/Project/src/com/xyz/tests/quick/T2.java</code> would be
+	 * excluded. Exclusion patterns can contain can contain '**', '*' or '?'
+	 * wildcards; see <code>IClasspathEntry.getExclusionPatterns</code>
+	 * for the full description of the syntax and semantics of exclusion
+	 * patterns.
+	 * </p>
+	 * If the empty list of exclusion patterns is specified, the source folder
+	 * will automatically include all resources located inside the source
+	 * folder. In that case, the result is entirely equivalent to using the
+	 * factory method <code>JavaCore.newSourceEntry(IPath)</code>. 
+	 * </p>
+	 * <p>
+	 * Additionally, a source entry can be associated with a specific output location. 
+	 * By doing so, the Java builder will ensure that the generated ".class" files will 
+	 * be issued inside this output location, as opposed to be generated into the 
+	 * project default output location (when output location is <code>null</code>). 
+	 * Note that multiple source entries may target the same output location.
+	 * The output location is referred to using an absolute path relative to the 
+	 * workspace root, e.g. <code>"/Project/bin"</code>, it must be located inside 
+	 * the same project as the source folder.
+	 * </p>
+	 * <p>
+	 * Also note that all sources/binaries inside a project are contributed as a whole through
+	 * a project entry (see <code>JavaCore.newProjectEntry</code>). Particular
+	 * source entries cannot be selectively exported.
+	 * </p>
+	 *
+	 * @param path the absolute workspace-relative path of a source folder
+	 * @param exclusionPatterns the possibly empty list of exclusion patterns
+	 *    represented as relative paths
+	 * @param outputLocation the specific output location for this source entry (<code>null</code> if using project default ouput location)
+	 * @return a new source classpath entry with the given exclusion patterns
+	 * @see #newSourceEntry(org.eclipse.core.runtime.IPath)
+	 * @see IClasspathEntry#getExclusionPatterns
+	 * @see IClasspathEntry#getOutputLocation()
+	 * 
+	 * @since 2.1
+	 */
+//	public static IClasspathEntry newSourceEntry(IPath path, IPath[] exclusionPatterns, IPath specificOutputLocation) {
+//
+//		if (!path.isAbsolute()) Assert.isTrue(false, "Path for IClasspathEntry must be absolute"); //$NON-NLS-1$
+//		if (exclusionPatterns == null) Assert.isTrue(false, "Exclusion pattern set cannot be null"); //$NON-NLS-1$
+//
+//		return new ClasspathEntry(
+//			IPackageFragmentRoot.K_SOURCE,
+//			IClasspathEntry.CPE_SOURCE,
+//			path,
+//			exclusionPatterns,
+//			null, // source attachment
+//			null, // source attachment root
+//			specificOutputLocation, // custom output location
+//			false);
+//	}
+		
+	/**
+	 * Creates and returns a new non-exported classpath entry of kind <code>CPE_VARIABLE</code>
+	 * for the given path. The first segment of the path is the name of a classpath variable.
+	 * The trailing segments of the path will be appended to resolved variable path.
+	 * <p>
+	 * A variable entry allows to express indirect references on a classpath to other projects or libraries,
+	 * depending on what the classpath variable is referring.
+	 * <p>
+	 *	It is possible to register an automatic initializer (<code>ClasspathVariableInitializer</code>),
+	 * which will be invoked through the extension point "org.eclipse.jdt.core.classpathVariableInitializer".
+	 * After resolution, a classpath variable entry may either correspond to a project or a library entry. </li>	 
+	 * <p>
+	 * e.g. Here are some examples of variable path usage<ul>
+	 * <li> "JDTCORE" where variable <code>JDTCORE</code> is 
+	 *		bound to "c:/jars/jdtcore.jar". The resolved classpath entry is denoting the library "c:\jars\jdtcore.jar"</li>
+	 * <li> "JDTCORE" where variable <code>JDTCORE</code> is 
+	 *		bound to "/Project_JDTCORE". The resolved classpath entry is denoting the project "/Project_JDTCORE"</li>
+	 * <li> "PLUGINS/com.example/example.jar" where variable <code>PLUGINS</code>
+	 *      is bound to "c:/eclipse/plugins". The resolved classpath entry is denoting the library "c:/eclipse/plugins/com.example/example.jar"</li>
+	 * </ul>
+	 * Note that this operation does not attempt to validate classpath variables
+	 * or access the resources at the given paths.
+	 * <p>
+	 * The resulting entry is not exported to dependent projects. This method is equivalent to
+	 * <code>newVariableEntry(-,-,-,false)</code>.
+	 * <p>
+	 * 
+	 * @param variablePath the path of the binary archive; first segment is the
+	 *   name of a classpath variable
+	 * @param variableSourceAttachmentPath the path of the corresponding source archive, 
+	 *    or <code>null</code> if none; if present, the first segment is the
+	 *    name of a classpath variable (not necessarily the same variable
+	 *    as the one that begins <code>variablePath</code>)
+	 * @param sourceAttachmentRootPath the location of the root within the source archive
+	 *    or <code>null</code> if <code>archivePath</code> is also <code>null</code>
+	 * @return a new library classpath entry
+	 * 
+	 * @see JavaCore#newVariableEntry(IPath, IPath, IPath, boolean)
+	 */
+//	public static IClasspathEntry newVariableEntry(
+//		IPath variablePath,
+//		IPath variableSourceAttachmentPath,
+//		IPath sourceAttachmentRootPath) {
+//
+//		return newVariableEntry(variablePath, variableSourceAttachmentPath, sourceAttachmentRootPath, false);
+//	}
+
+	/**
+	 * Creates and returns a new non-exported classpath entry of kind <code>CPE_VARIABLE</code>
+	 * for the given path. The first segment of the path is the name of a classpath variable.
+	 * The trailing segments of the path will be appended to resolved variable path.
+	 * <p>
+	 * A variable entry allows to express indirect references on a classpath to other projects or libraries,
+	 * depending on what the classpath variable is referring.
+	 * <p>
+	 *	It is possible to register an automatic initializer (<code>ClasspathVariableInitializer</code>),
+	 * which will be invoked through the extension point "org.eclipse.jdt.core.classpathVariableInitializer".
+	 * After resolution, a classpath variable entry may either correspond to a project or a library entry. </li>	 
+	 * <p>
+	 * e.g. Here are some examples of variable path usage<ul>
+	 * <li> "JDTCORE" where variable <code>JDTCORE</code> is 
+	 *		bound to "c:/jars/jdtcore.jar". The resolved classpath entry is denoting the library "c:\jars\jdtcore.jar"</li>
+	 * <li> "JDTCORE" where variable <code>JDTCORE</code> is 
+	 *		bound to "/Project_JDTCORE". The resolved classpath entry is denoting the project "/Project_JDTCORE"</li>
+	 * <li> "PLUGINS/com.example/example.jar" where variable <code>PLUGINS</code>
+	 *      is bound to "c:/eclipse/plugins". The resolved classpath entry is denoting the library "c:/eclipse/plugins/com.example/example.jar"</li>
+	 * </ul>
+	 * Note that this operation does not attempt to validate classpath variables
+	 * or access the resources at the given paths.
+	 * <p>
+	 *
+	 * @param variablePath the path of the binary archive; first segment is the
+	 *   name of a classpath variable
+	 * @param variableSourceAttachmentPath the path of the corresponding source archive, 
+	 *    or <code>null</code> if none; if present, the first segment is the
+	 *    name of a classpath variable (not necessarily the same variable
+	 *    as the one that begins <code>variablePath</code>)
+	 * @param sourceAttachmentRootPath the location of the root within the source archive
+	 *    or <code>null</code> if <code>archivePath</code> is also <code>null</code>
+	 * @param isExported indicates whether this entry is contributed to dependent
+	 * 	  projects in addition to the output location
+	 * @return a new variable classpath entry
+	 * @since 2.0
+	 */
+//	public static IClasspathEntry newVariableEntry(
+//		IPath variablePath,
+//		IPath variableSourceAttachmentPath,
+//		IPath variableSourceAttachmentRootPath,
+//		boolean isExported) {
+//			
+//		if (variablePath == null || variablePath.segmentCount() < 1) {
+//			Assert.isTrue(
+//				false,
+//				"Illegal classpath variable path: \'" + variablePath.makeRelative().toString() + "\', must have at least one segment"); //$NON-NLS-1$//$NON-NLS-2$
+//		}
+//	
+//		return new ClasspathEntry(
+//			IPackageFragmentRoot.K_SOURCE,
+//			IClasspathEntry.CPE_VARIABLE,
+//			variablePath,
+//			ClasspathEntry.NO_EXCLUSION_PATTERNS, 
+//			variableSourceAttachmentPath, // source attachment
+//			variableSourceAttachmentRootPath, // source attachment root			
+//			null, // specific output folder
+//			isExported);
+//	}
+
+	/**
+	 * Removed the given classpath variable. Does nothing if no value was
+	 * set for this classpath variable.
+	 * <p>
+	 * This functionality cannot be used while the resource tree is locked.
+	 * <p>
+	 * Classpath variable values are persisted locally to the workspace, and 
+	 * are preserved from session to session.
+	 * <p>
+	 *
+	 * @param variableName the name of the classpath variable
+	 * @see #setClasspathVariable
+	 *
+	 * @deprecated - use version with extra IProgressMonitor
+	 */
+//	public static void removeClasspathVariable(String variableName) {
+//		removeClasspathVariable(variableName, null);
+//	}
+
+	/**
+	 * Removed the given classpath variable. Does nothing if no value was
+	 * set for this classpath variable.
+	 * <p>
+	 * This functionality cannot be used while the resource tree is locked.
+	 * <p>
+	 * Classpath variable values are persisted locally to the workspace, and 
+	 * are preserved from session to session.
+	 * <p>
+	 *
+	 * @param variableName the name of the classpath variable
+	 * @param monitor the progress monitor to report progress
+	 * @see #setClasspathVariable
+	 */
+//	public static void removeClasspathVariable(
+//		String variableName,
+//		IProgressMonitor monitor) {
+//
+//		try {
+//			updateVariableValues(new String[]{ variableName}, new IPath[]{ null }, monitor);
+//		} catch (JavaModelException e) {
+//		}
+//	}
+
+	/**
+	 * Removes the given element changed listener.
+	 * Has no affect if an identical listener is not registered.
+	 *
+	 * @param listener the listener
+	 */
+	public static void removeElementChangedListener(IElementChangedListener listener) {
+		JavaModelManager.getJavaModelManager().removeElementChangedListener(listener);
+	}
+	/**
+	 * Runs the given action as an atomic Java model operation.
+	 * <p>
+	 * After running a method that modifies Java elements,
+	 * registered listeners receive after-the-fact notification of
+	 * what just transpired, in the form of a element changed event.
+	 * This method allows clients to call a number of
+	 * methods that modify java elements and only have element
+	 * changed event notifications reported at the end of the entire
+	 * batch.
+	 * </p>
+	 * <p>
+	 * If this method is called outside the dynamic scope of another such
+	 * call, this method runs the action and then reports a single
+	 * element changed event describing the net effect of all changes
+	 * done to java elements by the action.
+	 * </p>
+	 * <p>
+	 * If this method is called in the dynamic scope of another such
+	 * call, this method simply runs the action.
+	 * </p>
+	 *
+	 * @param action the action to perform
+	 * @param monitor a progress monitor, or <code>null</code> if progress
+	 *    reporting and cancellation are not desired
+	 * @exception CoreException if the operation failed.
+	 * @since 2.1
+	 */
+	public static void run(IWorkspaceRunnable action, IProgressMonitor monitor) throws CoreException {
+		IWorkspace workspace = ResourcesPlugin.getWorkspace();
+		if (workspace.isTreeLocked()) {
+			new BatchOperation(action).run(monitor);
+		} else {
+			// use IWorkspace.run(...) to ensure that a build will be done in autobuild mode
+			workspace.run(new BatchOperation(action), monitor);
+		}
+	}
+	/** 
+	 * Bind a container reference path to some actual containers (<code>IClasspathContainer</code>).
+	 * This API must be invoked whenever changes in container need to be reflected onto the JavaModel.
+	 * Containers can have distinct values in different projects, therefore this API considers a
+	 * set of projects with their respective containers.
+	 * <p>
+	 * <code>containerPath</code> is the path under which these values can be referenced through
+	 * container classpath entries (<code>IClasspathEntry#CPE_CONTAINER</code>). A container path 
+	 * is formed by a first ID segment followed with extra segments, which can be used as additional hints
+	 * for the resolution. The container ID is used to identify a <code>ClasspathContainerInitializer</code> 
+	 * registered on the extension point "org.eclipse.jdt.core.classpathContainerInitializer".
+	 * <p>
+	 * There is no assumption that each individual container value passed in argument 
+	 * (<code>respectiveContainers</code>) must answer the exact same path when requested 
+	 * <code>IClasspathContainer#getPath</code>. 
+	 * Indeed, the containerPath is just an indication for resolving it to an actual container object. It can be 
+	 * delegated to a <code>ClasspathContainerInitializer</code>, which can be activated through the extension
+	 * point "org.eclipse.jdt.core.ClasspathContainerInitializer"). 
+	 * <p>
+	 * In reaction to changing container values, the JavaModel will be updated to reflect the new
+	 * state of the updated container. 
+	 * <p>
+	 * This functionality cannot be used while the resource tree is locked.
+	 * <p>
+	 * Classpath container values are persisted locally to the workspace, but 
+	 * are not preserved from a session to another. It is thus highly recommended to register a 
+	 * <code>ClasspathContainerInitializer</code> for each referenced container 
+	 * (through the extension point "org.eclipse.jdt.core.ClasspathContainerInitializer").
+	 * <p>
+	 * Note: setting a container to <code>null</code> will cause it to be lazily resolved again whenever
+	 * its value is required. In particular, this will cause a registered initializer to be invoked
+	 * again.
+	 * <p>
+	 * @param containerPath - the name of the container reference, which is being updated
+	 * @param affectedProjects - the set of projects for which this container is being bound
+	 * @param respectiveContainers - the set of respective containers for the affected projects
+	 * @param monitor a monitor to report progress
+	 * 
+	 * @see ClasspathContainerInitializer
+	 * @see #getClasspathContainer(IPath, IJavaProject)
+	 * @see IClasspathContainer
+	 * @since 2.0
+	 */
+//	public static void setClasspathContainer(final IPath containerPath, IJavaProject[] affectedProjects, IClasspathContainer[] respectiveContainers, IProgressMonitor monitor) throws JavaModelException {
+//
+//		if (affectedProjects.length != respectiveContainers.length) Assert.isTrue(false, "Projects and containers collections should have the same size"); //$NON-NLS-1$
+//	
+//		if (monitor != null && monitor.isCanceled()) return;
+//	
+//		if (JavaModelManager.CP_RESOLVE_VERBOSE){
+//			System.out.println("CPContainer SET  - setting container: ["+containerPath+"] for projects: {" //$NON-NLS-1$ //$NON-NLS-2$
+//				+ (Util.toString(affectedProjects, 
+//						new Util.Displayable(){ 
+//							public String displayString(Object o) { return ((IJavaProject) o).getElementName(); }
+//						}))
+//				+ "} with values: " //$NON-NLS-1$
+//				+ (Util.toString(respectiveContainers, 
+//						new Util.Displayable(){ 
+//							public String displayString(Object o) { return ((IClasspathContainer) o).getDescription(); }
+//						}))
+//					);
+//		}
+//
+//		final int projectLength = affectedProjects.length;
+//		final IJavaProject[] modifiedProjects;
+//		System.arraycopy(affectedProjects, 0, modifiedProjects = new IJavaProject[projectLength], 0, projectLength);
+//		final IClasspathEntry[][] oldResolvedPaths = new IClasspathEntry[projectLength][];
+//			
+//		// filter out unmodified project containers
+//		int remaining = 0;
+//		for (int i = 0; i < projectLength; i++){
+//	
+//			if (monitor != null && monitor.isCanceled()) return;
+//	
+//			IJavaProject affectedProject = affectedProjects[i];
+//			IClasspathContainer newContainer = respectiveContainers[i];
+//			if (newContainer == null) newContainer = JavaModelManager.ContainerInitializationInProgress; // 30920 - prevent infinite loop
+//			boolean found = false;
+//			if (JavaProject.hasJavaNature(affectedProject.getProject())){
+//				IClasspathEntry[] rawClasspath = affectedProject.getRawClasspath();
+//				for (int j = 0, cpLength = rawClasspath.length; j <cpLength; j++) {
+//					IClasspathEntry entry = rawClasspath[j];
+//					if (entry.getEntryKind() == IClasspathEntry.CPE_CONTAINER && entry.getPath().equals(containerPath)){
+//						found = true;
+//						break;
+//					}
+//				}
+//			}
+//			if (!found){
+//				modifiedProjects[i] = null; // filter out this project - does not reference the container path, or isnt't yet Java project
+//				JavaModelManager.containerPut(affectedProject, containerPath, newContainer);
+//				continue;
+//			}
+//			IClasspathContainer oldContainer = JavaModelManager.containerGet(affectedProject, containerPath);
+//			if (oldContainer == JavaModelManager.ContainerInitializationInProgress) {
+//				Map previousContainerValues = (Map)JavaModelManager.PreviousSessionContainers.get(affectedProject);
+//				if (previousContainerValues != null){
+//					IClasspathContainer previousContainer = (IClasspathContainer)previousContainerValues.get(containerPath);
+//					if (previousContainer != null) {
+//						if (JavaModelManager.CP_RESOLVE_VERBOSE){
+//							System.out.println("CPContainer INIT - reentering access to project container: ["+affectedProject.getElementName()+"] " + containerPath + " during its initialization, will see previous value: "+ previousContainer.getDescription()); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
+//						}
+//						JavaModelManager.containerPut(affectedProject, containerPath, previousContainer); 
+//					}
+//					oldContainer = null; //33695 - cannot filter out restored container, must update affected project to reset cached CP
+//				} else {
+//					oldContainer = null;
+//				}
+//			}
+//			if (oldContainer != null && oldContainer.equals(respectiveContainers[i])){// TODO: could improve to only compare entries
+//				modifiedProjects[i] = null; // filter out this project - container did not change
+//				continue;
+//			}
+//			remaining++; 
+//			oldResolvedPaths[i] = affectedProject.getResolvedClasspath(true);
+//			JavaModelManager.containerPut(affectedProject, containerPath, newContainer);
+//		}
+//		
+//		if (remaining == 0) return;
+//		
+//		// trigger model refresh
+//		try {
+//			JavaCore.run(new IWorkspaceRunnable() {
+//				public void run(IProgressMonitor monitor) throws CoreException {
+//					for(int i = 0; i < projectLength; i++){
+//		
+//						if (monitor != null && monitor.isCanceled()) return;
+//		
+//						JavaProject affectedProject = (JavaProject)modifiedProjects[i];
+//						if (affectedProject == null) continue; // was filtered out
+//						
+//						if (JavaModelManager.CP_RESOLVE_VERBOSE){
+//							System.out.println("CPContainer SET  - updating affected project: ["+affectedProject.getElementName()+"] due to setting container: " + containerPath); //$NON-NLS-1$ //$NON-NLS-2$
+//						}
+//
+//						// force a refresh of the affected project (will compute deltas)
+//						affectedProject.setRawClasspath(
+//								affectedProject.getRawClasspath(),
+//								SetClasspathOperation.ReuseOutputLocation,
+//								monitor,
+//								!ResourcesPlugin.getWorkspace().isTreeLocked(), // can save resources
+//								oldResolvedPaths[i],
+//								false, // updating - no validation
+//								false); // updating - no need to save
+//					}
+//				}
+//			},
+//			monitor);
+//		} catch(CoreException e) {
+//			if (JavaModelManager.CP_RESOLVE_VERBOSE){
+//				System.out.println("CPContainer SET  - FAILED DUE TO EXCEPTION: "+containerPath); //$NON-NLS-1$
+//				e.printStackTrace();
+//			}
+//			if (e instanceof JavaModelException) {
+//				throw (JavaModelException)e;
+//			} else {
+//				throw new JavaModelException(e);
+//			}
+//		} finally {
+//			for (int i = 0; i < projectLength; i++) {
+//				if (respectiveContainers[i] == null) {
+//					JavaModelManager.containerPut(affectedProjects[i], containerPath, null); // reset init in progress marker
+//				}
+//			}
+//		}
+//					
+//	}
+
+	/**
+	 * Sets the value of the given classpath variable.
+	 * The path must have at least one segment.
+	 * <p>
+	 * This functionality cannot be used while the resource tree is locked.
+	 * <p>
+	 * Classpath variable values are persisted locally to the workspace, and 
+	 * are preserved from session to session.
+	 * <p>
+	 *
+	 * @param variableName the name of the classpath variable
+	 * @param path the path
+	 * @see #getClasspathVariable
+	 *
+	 * @deprecated - use API with IProgressMonitor
+	 */
+//	public static void setClasspathVariable(String variableName, IPath path)
+//		throws JavaModelException {
+//
+//		setClasspathVariable(variableName, path, null);
+//	}
+
+	/**
+	 * Sets the value of the given classpath variable.
+	 * The path must not be null.
+	 * <p>
+	 * This functionality cannot be used while the resource tree is locked.
+	 * <p>
+	 * Classpath variable values are persisted locally to the workspace, and 
+	 * are preserved from session to session.
+	 * <p>
+	 * Updating a variable with the same value has no effect.
+	 *
+	 * @param variableName the name of the classpath variable
+	 * @param path the path
+	 * @param monitor a monitor to report progress
+	 * @see #getClasspathVariable
+	 */
+//	public static void setClasspathVariable(
+//		String variableName,
+//		IPath path,
+//		IProgressMonitor monitor)
+//		throws JavaModelException {
+//
+//		if (path == null) Assert.isTrue(false, "Variable path cannot be null"); //$NON-NLS-1$
+//		setClasspathVariables(new String[]{variableName}, new IPath[]{ path }, monitor);
+//	}
+
+	/**
+	 * Sets the values of all the given classpath variables at once.
+	 * Null paths can be used to request corresponding variable removal.
+	 * <p>
+	 * This functionality cannot be used while the resource tree is locked.
+	 * <p>
+	 * Classpath variable values are persisted locally to the workspace, and 
+	 * are preserved from session to session.
+	 * <p>
+	 * Updating a variable with the same value has no effect.
+	 * 
+	 * @param variableNames an array of names for the updated classpath variables
+	 * @param paths an array of path updates for the modified classpath variables (null
+	 *       meaning that the corresponding value will be removed
+	 * @param monitor a monitor to report progress
+	 * @see #getClasspathVariable
+	 * @since 2.0
+	 */
+//	public static void setClasspathVariables(
+//		String[] variableNames,
+//		IPath[] paths,
+//		IProgressMonitor monitor)
+//		throws JavaModelException {
+//
+//		if (variableNames.length != paths.length)	Assert.isTrue(false, "Variable names and paths collections should have the same size"); //$NON-NLS-1$
+//		//TODO: should check that null cannot be used as variable paths
+//		updateVariableValues(variableNames, paths, monitor);
+//	}
+
+	/* (non-Javadoc)
+	 * Method declared on IExecutableExtension.
+	 * Record any necessary initialization data from the plugin.
+	 */
+	public void setInitializationData(
+		IConfigurationElement cfig,
+		String propertyName,
+		Object data)
+		throws CoreException {
+	}
+
+	/**
+	 * Sets the current table of options. All and only the options explicitly included in the given table 
+	 * are remembered; all previous option settings are forgotten, including ones not explicitly
+	 * mentioned.
+	 * <p>
+	 * For a complete description of the configurable options, see <code>getDefaultOptions</code>.
+	 * </p>
+	 * 
+	 * @param newOptions the new options (key type: <code>String</code>; value type: <code>String</code>),
+	 *   or <code>null</code> to reset all options to their default values
+	 * @see JavaCore#getDefaultOptions
+	 */
+	public static void setOptions(Hashtable newOptions) {
+		
+		// see #initializeDefaultPluginPreferences() for changing default settings
+		Preferences preferences = getPlugin().getPluginPreferences();
+
+		if (newOptions == null){
+			newOptions = JavaCore.getDefaultOptions();
+		}
+		Enumeration keys = newOptions.keys();
+		while (keys.hasMoreElements()){
+			String key = (String)keys.nextElement();
+			if (!JavaModelManager.OptionNames.contains(key)) continue; // unrecognized option
+			if (key.equals(CORE_ENCODING)) continue; // skipped, contributed by resource prefs
+			String value = (String)newOptions.get(key);
+			preferences.setValue(key, value);
+		}
+		
+		// persist options
+		getPlugin().savePluginPreferences();
+	}
+	
+	/**
+	 * Shutdown the JavaCore plug-in.
+	 * <p>
+	 * De-registers the JavaModelManager as a resource changed listener and save participant.
+	 * <p>
+	 * @see org.eclipse.core.runtime.Plugin#shutdown()
+	 */
+	public void shutdown() {
+
+		savePluginPreferences();
+		IWorkspace workspace = ResourcesPlugin.getWorkspace();
+		workspace.removeResourceChangeListener(JavaModelManager.getJavaModelManager().deltaProcessor);
+		workspace.removeSaveParticipant(this);
+
+		((JavaModelManager) JavaModelManager.getJavaModelManager()).shutdown();
+	}
+
+	/**
+	 * Initiate the background indexing process.
+	 * This should be deferred after the plugin activation.
+	 */
+//	private void startIndexing() {
+//
+//		JavaModelManager.getJavaModelManager().getIndexManager().reset();
+//	}
+
+	/**
+	 * Startup of the JavaCore plug-in.
+	 * <p>
+	 * Registers the JavaModelManager as a resource changed listener and save participant.
+	 * Starts the background indexing, and restore saved classpath variable values.
+	 * <p>
+	 * @see org.eclipse.core.runtime.Plugin#startup()
+	 */
+	public void startup() {
+		
+		JavaModelManager manager = JavaModelManager.getJavaModelManager();
+		try {
+			manager.configurePluginDebugOptions();
+
+			// request state folder creation (workaround 19885)
+			JavaCore.getPlugin().getStateLocation();
+
+			// retrieve variable values
+			JavaCore.getPlugin().getPluginPreferences().addPropertyChangeListener(new JavaModelManager.PluginPreferencesListener());
+//		TODO khartlage temp-del
+//			manager.loadVariablesAndContainers();
+
+			IWorkspace workspace = ResourcesPlugin.getWorkspace();
+			workspace.addResourceChangeListener(
+				manager.deltaProcessor,
+				IResourceChangeEvent.PRE_AUTO_BUILD
+					| IResourceChangeEvent.POST_AUTO_BUILD
+					| IResourceChangeEvent.POST_CHANGE
+					| IResourceChangeEvent.PRE_DELETE
+					| IResourceChangeEvent.PRE_CLOSE);
+
+//			startIndexing();
+			workspace.addSaveParticipant(this, manager);
+			
+		} catch (CoreException e) {
+		} catch (RuntimeException e) {
+			manager.shutdown();
+			throw e;
+		}
+	}
+
+
+	/**
+	 * Internal updating of a variable values (null path meaning removal), allowing to change multiple variable values at once.
+	 */
+//	private static void updateVariableValues(
+//		String[] variableNames,
+//		IPath[] variablePaths,
+//		IProgressMonitor monitor) throws JavaModelException {
+//	
+//		if (monitor != null && monitor.isCanceled()) return;
+//		
+//		if (JavaModelManager.CP_RESOLVE_VERBOSE){
+//			System.out.println("CPVariable SET  - setting variables: {" + Util.toString(variableNames)  //$NON-NLS-1$
+//				+ "} with values: " + Util.toString(variablePaths)); //$NON-NLS-1$
+//		}
+//
+//		int varLength = variableNames.length;
+//		
+//		// gather classpath information for updating
+//		final HashMap affectedProjects = new HashMap(5);
+//		JavaModelManager manager = JavaModelManager.getJavaModelManager();
+//		IJavaModel model = manager.getJavaModel();
+//	
+//		// filter out unmodified variables
+//		int discardCount = 0;
+//		for (int i = 0; i < varLength; i++){
+//			String variableName = variableNames[i];
+//			IPath oldPath = (IPath)JavaModelManager.variableGet(variableName); // if reentering will provide previous session value 
+//			if (oldPath == JavaModelManager.VariableInitializationInProgress){
+//				IPath previousPath = (IPath)JavaModelManager.PreviousSessionVariables.get(variableName);
+//				if (previousPath != null){
+//					if (JavaModelManager.CP_RESOLVE_VERBOSE){
+//						System.out.println("CPVariable INIT - reentering access to variable: " + variableName+ " during its initialization, will see previous value: "+ previousPath); //$NON-NLS-1$ //$NON-NLS-2$
+//					}
+//					JavaModelManager.variablePut(variableName, previousPath); // replace value so reentering calls are seeing old value
+//				}
+//				oldPath = null;  //33695 - cannot filter out restored variable, must update affected project to reset cached CP
+//			}
+//			if (oldPath != null && oldPath.equals(variablePaths[i])){
+//				variableNames[i] = null;
+//				discardCount++;
+//			}
+//		}
+//		if (discardCount > 0){
+//			if (discardCount == varLength) return;
+//			int changedLength = varLength - discardCount;
+//			String[] changedVariableNames = new String[changedLength];
+//			IPath[] changedVariablePaths = new IPath[changedLength];
+//			for (int i = 0, index = 0; i < varLength; i++){
+//				if (variableNames[i] != null){
+//					changedVariableNames[index] = variableNames[i];
+//					changedVariablePaths[index] = variablePaths[i];
+//					index++;
+//				}
+//			}
+//			variableNames = changedVariableNames;
+//			variablePaths = changedVariablePaths;
+//			varLength = changedLength;
+//		}
+//		
+//		if (monitor != null && monitor.isCanceled()) return;
+//
+//		if (model != null) {
+//			IJavaProject[] projects = model.getJavaProjects();
+//			nextProject : for (int i = 0, projectLength = projects.length; i < projectLength; i++){
+//				IJavaProject project = projects[i];
+//						
+//				// check to see if any of the modified variables is present on the classpath
+//				IClasspathEntry[] classpath = project.getRawClasspath();
+//				for (int j = 0, cpLength = classpath.length; j < cpLength; j++){
+//					
+//					IClasspathEntry entry = classpath[j];
+//					for (int k = 0; k < varLength; k++){
+//	
+//						String variableName = variableNames[k];						
+//						if (entry.getEntryKind() ==  IClasspathEntry.CPE_VARIABLE){
+//	
+//							if (variableName.equals(entry.getPath().segment(0))){
+//								affectedProjects.put(project, project.getResolvedClasspath(true));
+//								continue nextProject;
+//							}
+//							IPath sourcePath, sourceRootPath;
+//							if (((sourcePath = entry.getSourceAttachmentPath()) != null	&& variableName.equals(sourcePath.segment(0)))
+//								|| ((sourceRootPath = entry.getSourceAttachmentRootPath()) != null	&& variableName.equals(sourceRootPath.segment(0)))) {
+//	
+//								affectedProjects.put(project, project.getResolvedClasspath(true));
+//								continue nextProject;
+//							}
+//						}												
+//					}
+//				}
+//			}
+//		}
+//		// update variables
+//		for (int i = 0; i < varLength; i++){
+//			JavaModelManager.variablePut(variableNames[i], variablePaths[i]);
+//		}
+//		final String[] dbgVariableNames = variableNames;
+//				
+//		// update affected project classpaths
+//		if (!affectedProjects.isEmpty()) {
+//			try {
+//				JavaCore.run(
+//					new IWorkspaceRunnable() {
+//						public void run(IProgressMonitor monitor) throws CoreException {
+//							// propagate classpath change
+//							Iterator projectsToUpdate = affectedProjects.keySet().iterator();
+//							while (projectsToUpdate.hasNext()) {
+//			
+//								if (monitor != null && monitor.isCanceled()) return;
+//			
+//								JavaProject project = (JavaProject) projectsToUpdate.next();
+//
+//								if (JavaModelManager.CP_RESOLVE_VERBOSE){
+//									System.out.println("CPVariable SET  - updating affected project: ["+project.getElementName()+"] due to setting variables: "+ Util.toString(dbgVariableNames)); //$NON-NLS-1$ //$NON-NLS-2$
+//								}
+//								
+//								project
+//									.setRawClasspath(
+//										project.getRawClasspath(),
+//										SetClasspathOperation.ReuseOutputLocation,
+//										null, // don't call beginTask on the monitor (see http://bugs.eclipse.org/bugs/show_bug.cgi?id=3717)
+//										!ResourcesPlugin.getWorkspace().isTreeLocked(), // can change resources
+//										(IClasspathEntry[]) affectedProjects.get(project),
+//										false, // updating - no validation
+//										false); // updating - no need to save
+//							}
+//						}
+//					},
+//					monitor);
+//			} catch (CoreException e) {
+//				if (JavaModelManager.CP_RESOLVE_VERBOSE){
+//					System.out.println("CPVariable SET  - FAILED DUE TO EXCEPTION: "+Util.toString(dbgVariableNames)); //$NON-NLS-1$
+//					e.printStackTrace();
+//				}
+//				if (e instanceof JavaModelException) {
+//					throw (JavaModelException)e;
+//				} else {
+//					throw new JavaModelException(e);
+//				}
+//			}
+//		}
+//	}
+}
\ No newline at end of file