case-study/jdt-after/ui/org/eclipse/jdt/internal/ui/packageview/LibraryContainer.java

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2011 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Eclipse Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/epl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  *******************************************************************************/
  11 package org.eclipse.jdt.internal.ui.packageview;
  12
  13 import java.util.ArrayList;
  14 import java.util.List;
  15
  16 import org.eclipse.core.runtime.IAdaptable;
  17
  18 import org.eclipse.jface.resource.ImageDescriptor;
  19
  20 import org.eclipse.jdt.core.IClasspathEntry;
  21 import org.eclipse.jdt.core.IJavaProject;
  22 import org.eclipse.jdt.core.IPackageFragmentRoot;
  23 import org.eclipse.jdt.core.JavaModelException;
  24
  25 import org.eclipse.jdt.internal.ui.JavaPluginImages;
  26
  27 public class LibraryContainer extends PackageFragmentRootContainer {
  28
  29         public LibraryContainer(IJavaProject project) {
  30                 super(project);
  31         }
  32
  33         @Override
  34         public boolean equals(Object obj) {
  35                 if (obj instanceof LibraryContainer) {
  36                         LibraryContainer other = (LibraryContainer)obj;
  37                         return getJavaProject().equals(other.getJavaProject());
  38                 }
  39                 return false;
  40         }
  41
  42         @Override
  43         public int hashCode() {
  44                 return getJavaProject().hashCode();
  45         }
  46
  47         @Override
  48         public IAdaptable[] getChildren() {
  49                 return getPackageFragmentRoots();
  50         }
  51
  52
  53         @Override
  54         public ImageDescriptor getImageDescriptor() {
  55                 return JavaPluginImages.DESC_OBJS_LIBRARY;
  56         }
  57
  58         @Override
  59         public String getLabel() {
  60                 return PackagesMessages.LibraryContainer_name;
  61         }
  62
  63         /* (non-Javadoc)
  64          * @see org.eclipse.jdt.internal.ui.packageview.PackageFragmentRootContainer#getPackageFragmentRoots()
  65          */
  66         @Override
  67         public IPackageFragmentRoot[] getPackageFragmentRoots() {
  68                 List<IPackageFragmentRoot> list= new ArrayList<IPackageFragmentRoot>();
  69                 try {
  70                         IPackageFragmentRoot[] roots= getJavaProject().getPackageFragmentRoots();
  71                         for (int i= 0; i < roots.length; i++) {
  72                                 IPackageFragmentRoot root= roots[i];
  73                                 int classpathEntryKind= root.getRawClasspathEntry().getEntryKind();
  74                                 if (classpathEntryKind == IClasspathEntry.CPE_LIBRARY || classpathEntryKind == IClasspathEntry.CPE_VARIABLE) {
  75                                         list.add(root);
  76                                 }
  77                         }
  78                 } catch (JavaModelException e) {
  79                         // fall through
  80                 }
  81                 return list.toArray(new IPackageFragmentRoot[list.size()]);
  82         }
  83 }