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 this JAR does
  31          * not have source attached).
  32          */
  33         // protected SourceMapper sourceMapper = null;
  34         /**
  35          * The kind of the root associated with this info. Valid kinds are:
  36          * <ul>
  37          * <li><code>IPackageFragmentRoot.K_SOURCE</code>
  38          * <li><code>IPackageFragmentRoot.K_BINARY</code>
  39          * </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         /**
  49          * Create and initialize a new instance of the receiver
  50          */
  51         public PackageFragmentRootInfo() {
  52                 fNonJavaResources = null;
  53         }
  54
  55         /**
  56          * Starting at this folder, create non-java resources for this package
  57          * fragment root and add them to the non-java resources collection.
  58          *
  59          * @exception JavaModelException
  60          *                The resource associated with this package fragment does
  61          *                not exist
  62          */
  63         static Object[] computeFolderNonJavaResources(JavaProject project,
  64                         IContainer folder, char[][] exclusionPatterns)
  65                         throws JavaModelException {
  66                 Object[] nonJavaResources = new IResource[5];
  67                 int nonJavaResourcesCounter = 0;
  68                 try {
  69                         IClasspathEntry[] classpath = project
  70                                         .getResolvedClasspath(true/* ignore unresolved variable */);
  71                         IResource[] members = folder.members();
  72                         nextResource: for (int i = 0, max = members.length; i < max; i++) {
  73                                 IResource member = members[i];
  74                                 switch (member.getType()) {
  75                                 case IResource.FILE:
  76                                         String fileName = member.getName();
  77
  78                                         // ignore .java files that are not excluded
  79                                         if (Util.isValidCompilationUnitName(fileName)
  80                                                         && !Util.isExcluded(member, exclusionPatterns))
  81                                                 continue nextResource;
  82                                         // ignore .class files
  83                                         // if (ProjectPrefUtil.isValidClassFileName(fileName))
  84                                         // continue nextResource;
  85                                         // // ignore .zip or .jar file on classpath
  86                                         // if (ProjectPrefUtil.isArchiveFileName(fileName) &&
  87                                         // isClasspathEntry(member.getFullPath(), classpath))
  88                                         // continue nextResource;
  89                                         break;
  90
  91                                 case IResource.FOLDER:
  92                                         // ignore valid packages or excluded folders that correspond
  93                                         // to a nested pkg fragment root
  94                                         // if
  95                                         // (ProjectPrefUtil.isValidFolderNameForPackage(member.getName())
  96                                         // && (!ProjectPrefUtil.isExcluded(member,
  97                                         // exclusionPatterns)
  98                                         // || isClasspathEntry(member.getFullPath(), classpath)))
  99                                         // continue nextResource;
 100                                         break;
 101                                 }
 102                                 if (nonJavaResources.length == nonJavaResourcesCounter) {
 103                                         // resize
 104                                         System
 105                                                         .arraycopy(
 106                                                                         nonJavaResources,
 107                                                                         0,
 108                                                                         (nonJavaResources = new IResource[nonJavaResourcesCounter * 2]),
 109                                                                         0, nonJavaResourcesCounter);
 110                                 }
 111                                 nonJavaResources[nonJavaResourcesCounter++] = member;
 112
 113                         }
 114                         if (nonJavaResources.length != nonJavaResourcesCounter) {
 115                                 System
 116                                                 .arraycopy(
 117                                                                 nonJavaResources,
 118                                                                 0,
 119                                                                 (nonJavaResources = new IResource[nonJavaResourcesCounter]),
 120                                                                 0, nonJavaResourcesCounter);
 121                         }
 122                         return nonJavaResources;
 123                 } catch (CoreException e) {
 124                         throw new JavaModelException(e);
 125                 }
 126         }
 127
 128         /**
 129          * Compute the non-package resources of this package fragment root.
 130          *
 131          * @exception JavaModelException
 132          *                The resource associated with this package fragment root
 133          *                does not exist
 134          */
 135         private Object[] computeNonJavaResources(IJavaProject project,
 136                         IResource underlyingResource, PackageFragmentRoot handle) {
 137                 Object[] nonJavaResources = NO_NON_JAVA_RESOURCES;
 138                 try {
 139                         // the underlying resource may be a folder or a project (in the case
 140                         // that the project folder
 141                         // is actually the package fragment root)
 142                         if (underlyingResource.getType() == IResource.FOLDER
 143                                         || underlyingResource.getType() == IResource.PROJECT) {
 144                                 nonJavaResources = computeFolderNonJavaResources(
 145                                                 (JavaProject) project, (IContainer) underlyingResource,
 146                                                 handle.fullExclusionPatternChars());
 147                         }
 148                 } catch (JavaModelException e) {
 149                 }
 150                 return nonJavaResources;
 151         }
 152
 153         /**
 154          * Returns an array of non-java resources contained in the receiver.
 155          */
 156         synchronized Object[] getNonJavaResources(IJavaProject project,
 157                         IResource underlyingResource, PackageFragmentRoot handle) {
 158                 Object[] nonJavaResources = fNonJavaResources;
 159                 if (nonJavaResources == null) {
 160                         nonJavaResources = this.computeNonJavaResources(project,
 161                                         underlyingResource, handle);
 162                         fNonJavaResources = nonJavaResources;
 163                 }
 164                 return nonJavaResources;
 165         }
 166
 167         /**
 168          * Returns the kind of this root.
 169          */
 170         public int getRootKind() {
 171                 return fRootKind;
 172         }
 173
 174         /**
 175          * Retuns the SourceMapper for this root, or <code>null</code> if this
 176          * root does not have attached source.
 177          */
 178         // protected synchronized SourceMapper getSourceMapper() {
 179         // return this.sourceMapper;
 180         // }
 181         private static boolean isClasspathEntry(IPath path,
 182                         IClasspathEntry[] resolvedClasspath) {
 183                 for (int i = 0, length = resolvedClasspath.length; i < length; i++) {
 184                         IClasspathEntry entry = resolvedClasspath[i];
 185                         if (entry.getPath().equals(path)) {
 186                                 return true;
 187                         }
 188                 }
 189                 return false;
 190         }
 191
 192         /**
 193          * Set the fNonJavaResources to res value
 194          */
 195         synchronized void setNonJavaResources(Object[] resources) {
 196                 fNonJavaResources = resources;
 197         }
 198
 199         /**
 200          * Sets the kind of this root.
 201          */
 202         protected void setRootKind(int newRootKind) {
 203                 fRootKind = newRootKind;
 204         }
 205         /**
 206          * Sets the SourceMapper for this root.
 207          */
 208         // protected synchronized void setSourceMapper(SourceMapper mapper) {
 209         // this.sourceMapper= mapper;
 210         // }
 211 }