net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/core/PackageFragmentRootInfo.java

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2003 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Common Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/cpl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  *******************************************************************************/
  11 package net.sourceforge.phpdt.internal.core;
  12
  13 import net.sourceforge.phpdt.core.IClasspathEntry;
  14 import net.sourceforge.phpdt.core.IJavaProject;
  15 import net.sourceforge.phpdt.core.IPackageFragmentRoot;
  16 import net.sourceforge.phpdt.core.JavaModelException;
  17 import net.sourceforge.phpdt.internal.core.util.Util;
  18
  19 import org.eclipse.core.resources.IContainer;
  20 import org.eclipse.core.resources.IResource;
  21 import org.eclipse.core.runtime.CoreException;
  22 import org.eclipse.core.runtime.IPath;
  23
  24 /**
  25  * The element info for <code>PackageFragmentRoot</code>s.
  26  */
  27 class PackageFragmentRootInfo extends OpenableElementInfo {
  28
  29         /**
  30          * The SourceMapper for this JAR (or <code>null</code> if
  31          * this JAR does not have source attached).
  32          */
  33 //      protected SourceMapper sourceMapper = null;
  34
  35         /**
  36          * The kind of the root associated with this info.
  37          * Valid kinds are: <ul>
  38          * <li><code>IPackageFragmentRoot.K_SOURCE</code>
  39          * <li><code>IPackageFragmentRoot.K_BINARY</code></ul>
  40          */
  41         protected int fRootKind= IPackageFragmentRoot.K_SOURCE;
  42
  43         /**
  44          * A array with all the non-java resources contained by this PackageFragment
  45          */
  46         protected Object[] fNonJavaResources;
  47 /**
  48  * Create and initialize a new instance of the receiver
  49  */
  50 public PackageFragmentRootInfo() {
  51         fNonJavaResources = null;
  52 }
  53 /**
  54  * Starting at this folder, create non-java resources for this package fragment root
  55  * and add them to the non-java resources collection.
  56  *
  57  * @exception JavaModelException  The resource associated with this package fragment does not exist
  58  */
  59 static Object[] computeFolderNonJavaResources(JavaProject project, IContainer folder, char[][] exclusionPatterns) throws JavaModelException {
  60         Object[] nonJavaResources = new IResource[5];
  61         int nonJavaResourcesCounter = 0;
  62         try {
  63                 IClasspathEntry[] classpath = project.getResolvedClasspath(true/*ignore unresolved variable*/);
  64                 IResource[] members = folder.members();
  65                 nextResource: for (int i = 0, max = members.length; i < max; i++) {
  66                         IResource member = members[i];
  67                         switch (member.getType()) {
  68                                 case IResource.FILE :
  69                                         String fileName = member.getName();
  70
  71                                         // ignore .java files that are not excluded
  72                                         if (Util.isValidCompilationUnitName(fileName) && !Util.isExcluded(member, exclusionPatterns))
  73                                                 continue nextResource;
  74                                         // ignore .class files
  75 //                                      if (Util.isValidClassFileName(fileName))
  76 //                                              continue nextResource;
  77 //                                      // ignore .zip or .jar file on classpath
  78 //                                      if (Util.isArchiveFileName(fileName) && isClasspathEntry(member.getFullPath(), classpath))
  79 //                                              continue nextResource;
  80                                         break;
  81
  82                                 case IResource.FOLDER :
  83                                         // ignore valid packages or excluded folders that correspond to a nested pkg fragment root
  84 //                                      if (Util.isValidFolderNameForPackage(member.getName())
  85 //                                                      && (!Util.isExcluded(member, exclusionPatterns)
  86 //                                                              || isClasspathEntry(member.getFullPath(), classpath)))
  87 //                                              continue nextResource;
  88                                         break;
  89                         }
  90                         if (nonJavaResources.length == nonJavaResourcesCounter) {
  91                                 // resize
  92                                 System.arraycopy(nonJavaResources, 0, (nonJavaResources = new IResource[nonJavaResourcesCounter * 2]), 0, nonJavaResourcesCounter);
  93                         }
  94                         nonJavaResources[nonJavaResourcesCounter++] = member;
  95
  96                 }
  97                 if (nonJavaResources.length != nonJavaResourcesCounter) {
  98                         System.arraycopy(nonJavaResources, 0, (nonJavaResources = new IResource[nonJavaResourcesCounter]), 0, nonJavaResourcesCounter);
  99                 }
 100                 return nonJavaResources;
 101         } catch (CoreException e) {
 102                 throw new JavaModelException(e);
 103         }
 104 }
 105 /**
 106  * Compute the non-package resources of this package fragment root.
 107  *
 108  * @exception JavaModelException  The resource associated with this package fragment root does not exist
 109  */
 110 private Object[] computeNonJavaResources(IJavaProject project, IResource underlyingResource, PackageFragmentRoot handle) {
 111         Object[] nonJavaResources = NO_NON_JAVA_RESOURCES;
 112         try {
 113                 // the underlying resource may be a folder or a project (in the case that the project folder
 114                 // is actually the package fragment root)
 115                 if (underlyingResource.getType() == IResource.FOLDER || underlyingResource.getType() == IResource.PROJECT) {
 116                         nonJavaResources =
 117                                 computeFolderNonJavaResources(
 118                                         (JavaProject)project,
 119                                         (IContainer) underlyingResource,
 120                                         handle.fullExclusionPatternChars());
 121                 }
 122         } catch (JavaModelException e) {
 123         }
 124         return nonJavaResources;
 125 }
 126 /**
 127  * Returns an array of non-java resources contained in the receiver.
 128  */
 129 synchronized Object[] getNonJavaResources(IJavaProject project, IResource underlyingResource, PackageFragmentRoot handle) {
 130         Object[] nonJavaResources = fNonJavaResources;
 131         if (nonJavaResources == null) {
 132                 nonJavaResources = this.computeNonJavaResources(project, underlyingResource, handle);
 133                 fNonJavaResources = nonJavaResources;
 134         }
 135         return nonJavaResources;
 136 }
 137 /**
 138  * Returns the kind of this root.
 139  */
 140 public int getRootKind() {
 141         return fRootKind;
 142 }
 143 /**
 144  * Retuns the SourceMapper for this root, or <code>null</code>
 145  * if this root does not have attached source.
 146  */
 147 //protected synchronized SourceMapper getSourceMapper() {
 148 //      return this.sourceMapper;
 149 //}
 150 private static boolean isClasspathEntry(IPath path, IClasspathEntry[] resolvedClasspath) {
 151         for (int i = 0, length = resolvedClasspath.length; i < length; i++) {
 152                 IClasspathEntry entry = resolvedClasspath[i];
 153                 if (entry.getPath().equals(path)) {
 154                         return true;
 155                 }
 156         }
 157         return false;
 158 }
 159 /**
 160  * Set the fNonJavaResources to res value
 161  */
 162 synchronized void setNonJavaResources(Object[] resources) {
 163         fNonJavaResources = resources;
 164 }
 165 /**
 166  * Sets the kind of this root.
 167  */
 168 protected void setRootKind(int newRootKind) {
 169         fRootKind = newRootKind;
 170 }
 171 /**
 172  * Sets the SourceMapper for this root.
 173  */
 174 //protected synchronized void setSourceMapper(SourceMapper mapper) {
 175 //      this.sourceMapper= mapper;
 176 //}
 177 }