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1
11 package org.eclipse.jdt.internal.corext.refactoring.changes;
12
13 import org.eclipse.core.runtime.CoreException;
14 import org.eclipse.core.runtime.IPath;
15 import org.eclipse.core.runtime.IProgressMonitor;
16
17 import org.eclipse.core.resources.IResource;
18 import org.eclipse.core.resources.ResourcesPlugin;
19
20 import org.eclipse.ltk.core.refactoring.Change;
21 import org.eclipse.ltk.core.refactoring.ChangeDescriptor;
22 import org.eclipse.ltk.core.refactoring.RefactoringChangeDescriptor;
23 import org.eclipse.ltk.core.refactoring.RefactoringDescriptor;
24 import org.eclipse.ltk.core.refactoring.RefactoringStatus;
25
26 import org.eclipse.jdt.internal.corext.refactoring.RefactoringCoreMessages;
27 import org.eclipse.jdt.internal.corext.refactoring.base.JDTChange;
28 import org.eclipse.jdt.internal.corext.util.Messages;
29
30 public final class RenameResourceChange extends JDTChange {
31
32 public static IPath renamedResourcePath(IPath path, String  newName) {
33 return path.removeLastSegments(1).append(newName);
34 }
35
36 private final String fComment;
37
38 private final RefactoringDescriptor fDescriptor;
39
40 private final String fNewName;
41
42 private final IPath fResourcePath;
43
44 private final long fStampToRestore;
45
46 private RenameResourceChange(RefactoringDescriptor descriptor, IPath resourcePath, String newName, String comment, long stampToRestore) {
47 fDescriptor= descriptor;
48 fResourcePath= resourcePath;
49 fNewName= newName;
50 fComment= comment;
51 fStampToRestore= stampToRestore;
52 }
53
54 public RenameResourceChange(RefactoringDescriptor descriptor, IResource resource, String newName, String comment) {
55 this(descriptor, resource.getFullPath(), newName, comment, IResource.NULL_STAMP);
56 }
57
58 public ChangeDescriptor getDescriptor() {
59 if (fDescriptor != null)
60 return new RefactoringChangeDescriptor(fDescriptor);
61 return null;
62 }
63
64 public Object getModifiedElement() {
65 return getResource();
66 }
67
68 public String getName() {
69 return Messages.format(RefactoringCoreMessages.RenameResourceChange_name, new String [] { fResourcePath.toString(), fNewName});
70 }
71
72 public String getNewName() {
73 return fNewName;
74 }
75
76 private IResource getResource() {
77 return ResourcesPlugin.getWorkspace().getRoot().findMember(fResourcePath);
78 }
79
80 public RefactoringStatus isValid(IProgressMonitor pm) throws CoreException {
81 IResource resource= getResource();
82 if (resource == null || !resource.exists()) {
83 return RefactoringStatus.createFatalErrorStatus(Messages.format(RefactoringCoreMessages.RenameResourceChange_does_not_exist, fResourcePath.toString()));
84 } else {
85 return super.isValid(pm, DIRTY);
86 }
87 }
88
89 public Change perform(IProgressMonitor pm) throws CoreException {
90 try {
91 pm.beginTask(RefactoringCoreMessages.RenameResourceChange_rename_resource, 1);
92
93 IResource resource= getResource();
94 long currentStamp= resource.getModificationStamp();
95 IPath newPath= renamedResourcePath(fResourcePath, fNewName);
96 resource.move(newPath, IResource.SHALLOW, pm);
97 if (fStampToRestore != IResource.NULL_STAMP) {
98 IResource newResource= ResourcesPlugin.getWorkspace().getRoot().findMember(newPath);
99 newResource.revertModificationStamp(fStampToRestore);
100 }
101 String oldName= fResourcePath.lastSegment();
102 return new RenameResourceChange(null, newPath, oldName, fComment, currentStamp);
103 } finally {
104 pm.done();
105 }
106 }
107 }
108 |
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