net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/core/JavaModelInfo.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.IJavaModel;
  14
  15 import org.eclipse.core.resources.IProject;
  16 import org.eclipse.core.resources.ResourcesPlugin;
  17
  18 /**
  19  * Implementation of IJavaModel. A Java Model is specific to a workspace.
  20  *
  21  * @see IJavaModel
  22  */
  23 public class JavaModelInfo extends OpenableElementInfo {
  24
  25         /**
  26          * A array with all the non-java projects contained by this model
  27          */
  28         Object[] nonJavaResources;
  29
  30         /**
  31          * Constructs a new Java Model Info
  32          */
  33         protected JavaModelInfo() {
  34         }
  35
  36         /**
  37          * Compute the non-java resources contained in this java project.
  38          */
  39         private Object[] computeNonJavaResources() {
  40                 IProject[] projects = ResourcesPlugin.getWorkspace().getRoot()
  41                                 .getProjects();
  42                 int length = projects.length;
  43                 Object[] nonJavaResources = null;
  44                 int index = 0;
  45                 for (int i = 0; i < length; i++) {
  46                         IProject project = projects[i];
  47                         if (!JavaProject.hasJavaNature(project)) {
  48                                 if (nonJavaResources == null) {
  49                                         nonJavaResources = new Object[length];
  50                                 }
  51                                 nonJavaResources[index++] = project;
  52                         }
  53                 }
  54                 if (index == 0)
  55                         return NO_NON_JAVA_RESOURCES;
  56                 if (index < length) {
  57                         System.arraycopy(nonJavaResources, 0,
  58                                         nonJavaResources = new Object[index], 0, index);
  59                 }
  60                 return nonJavaResources;
  61         }
  62
  63         /**
  64          * Returns an array of non-java resources contained in the receiver.
  65          */
  66         Object[] getNonJavaResources() {
  67
  68                 Object[] nonJavaResources = this.nonJavaResources;
  69                 if (nonJavaResources == null) {
  70                         nonJavaResources = computeNonJavaResources();
  71                         this.nonJavaResources = nonJavaResources;
  72                 }
  73                 return nonJavaResources;
  74         }
  75 }