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Java > Open Source Codes > org > eclipse > pde > internal > ui > refactoring > ManifestPackageMoveParticipant


1 /*******************************************************************************
2  * Copyright (c) 2005, 2007 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.pde.internal.ui.refactoring;
12
13 import java.util.HashMap JavaDoc;
14
15 import org.eclipse.core.resources.IFile;
16 import org.eclipse.core.resources.IProject;
17 import org.eclipse.core.resources.IResource;
18 import org.eclipse.core.runtime.CoreException;
19 import org.eclipse.core.runtime.IAdaptable;
20 import org.eclipse.core.runtime.IProgressMonitor;
21 import org.eclipse.jdt.core.IJavaElement;
22 import org.eclipse.jdt.core.IJavaProject;
23 import org.eclipse.jdt.core.IPackageFragment;
24 import org.eclipse.ltk.core.refactoring.Change;
25 import org.eclipse.ltk.core.refactoring.CompositeChange;
26 import org.eclipse.pde.internal.core.ICoreConstants;
27 import org.eclipse.pde.internal.ui.PDEUIMessages;
28
29 public class ManifestPackageMoveParticipant extends PDEMoveParticipant {
30
31     protected boolean initialize(Object JavaDoc element) {
32         if (element instanceof IPackageFragment) {
33             IPackageFragment fragment = (IPackageFragment)element;
34             IJavaProject javaProject = (IJavaProject)fragment.getAncestor(IJavaElement.JAVA_PROJECT);
35             IProject project = javaProject.getProject();
36             if (project.exists(ICoreConstants.MANIFEST_PATH)) {
37                 fProject = javaProject.getProject();
38                 fElements = new HashMap JavaDoc();
39                 fElements.put(fragment, getNewName(getArguments().getDestination(), element));
40                 return true;
41             }
42         }
43         return false;
44     }
45
46     public String JavaDoc getName() {
47         return PDEUIMessages.ManifestPackageRenameParticipant_packageRename;
48     }
49
50     protected void addChange(CompositeChange result, IProgressMonitor pm) throws CoreException {
51         IFile file = fProject.getFile("META-INF/MANIFEST.MF"); //$NON-NLS-1$
52 if (file.exists()) {
53             IProject destProject = getDestinationProject();
54             if (destProject != null && !fProject.equals(destProject)) {
55                 MoveFromChange change = BundleManifestChange.createMovePackageChange(file,
56                         fElements.keySet().toArray(),
57                         pm);
58                 if (change != null) {
59                     result.add(change);
60                     IFile dest = destProject.getFile("META-INF/MANIFEST.MF"); //$NON-NLS-1$
61 if (dest.exists()) {
62                         Change second = BundleManifestChange.createMoveToPackageChange(
63                                 dest,
64                                 change,
65                                 pm);
66                         if (second != null)
67                             result.add(second);
68                     }
69                 }
70             }
71         }
72     }
73     
74     private IProject getDestinationProject() {
75         Object JavaDoc dest = getArguments().getDestination();
76         if (dest instanceof IAdaptable) {
77             IResource resource = (IResource)((IAdaptable)dest).getAdapter(IResource.class);
78             if (resource != null)
79                 return resource.getProject();
80         }
81         return null;
82     }
83
84     protected boolean isInterestingForExtensions() {
85         return false;
86     }
87
88 }
89
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