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Java > Open Source Codes > org > eclipse > jdt > internal > ui > filters > ContainedLibraryFilter


1 /*******************************************************************************
2  * Copyright (c) 2000, 2006 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.filters;
12
13 import org.eclipse.core.resources.IProject;
14 import org.eclipse.core.resources.IResource;
15
16 import org.eclipse.jface.viewers.Viewer;
17 import org.eclipse.jface.viewers.ViewerFilter;
18
19 import org.eclipse.jdt.core.IPackageFragmentRoot;
20
21
22 /**
23  * The LibraryFilter is a filter used to determine whether
24  * a Java internal library is shown
25  */
26 public class ContainedLibraryFilter extends ViewerFilter {
27     
28     /* (non-Javadoc)
29      * Method declared on ViewerFilter.
30      */
31     public boolean select(Viewer viewer, Object JavaDoc parentElement, Object JavaDoc element) {
32         if (element instanceof IPackageFragmentRoot) {
33             IPackageFragmentRoot root= (IPackageFragmentRoot)element;
34             if (root.isArchive()) {
35                 // don't filter out JARs contained in the project itself
36 IResource resource= root.getResource();
37                 if (resource != null) {
38                     IProject jarProject= resource.getProject();
39                     IProject container= root.getJavaProject().getProject();
40                     return !container.equals(jarProject);
41                 }
42             }
43         }
44         return true;
45     }
46 }
47
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