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1
11 package org.eclipse.pde.internal.ui.refactoring;
12
13 import org.eclipse.core.resources.IResource;
14 import org.eclipse.core.resources.ResourcesPlugin;
15 import org.eclipse.core.runtime.CoreException;
16 import org.eclipse.core.runtime.IPath;
17 import org.eclipse.core.runtime.IProgressMonitor;
18 import org.eclipse.ltk.core.refactoring.Change;
19 import org.eclipse.ltk.core.refactoring.ChangeDescriptor;
20 import org.eclipse.ltk.core.refactoring.RefactoringChangeDescriptor;
21 import org.eclipse.ltk.core.refactoring.RefactoringDescriptor;
22 import org.eclipse.ltk.core.refactoring.RefactoringStatus;
23 import org.eclipse.pde.internal.ui.PDEUIMessages;
24
25 import com.ibm.icu.text.MessageFormat;
26
27 public final class RenameProjectChange extends Change {
28
29 public static IPath renamedResourcePath(IPath path, String  newName) {
30 return path.removeLastSegments(1).append(newName);
31 }
32
33 private final String fComment;
34
35 private final RefactoringDescriptor fDescriptor;
36
37 private final String fNewName;
38
39 private final IPath fResourcePath;
40
41 private final long fStampToRestore;
42
43 private RenameProjectChange(RefactoringDescriptor descriptor, IPath resourcePath, String newName, String comment, long stampToRestore) {
44 fDescriptor= descriptor;
45 fResourcePath= resourcePath;
46 fNewName= newName;
47 fComment= comment;
48 fStampToRestore= stampToRestore;
49 }
50
51 public RenameProjectChange(RefactoringDescriptor descriptor, IResource resource, String newName, String comment) {
52 this(descriptor, resource.getFullPath(), newName, comment, IResource.NULL_STAMP);
53 }
54
55 public ChangeDescriptor getDescriptor() {
56 if (fDescriptor != null)
57 return new RefactoringChangeDescriptor(fDescriptor);
58 return null;
59 }
60
61 public Object getModifiedElement() {
62 return getResource();
63 }
64
65 public String getName() {
66 return MessageFormat.format(PDEUIMessages.RenameProjectChange_name, new String [] { fResourcePath.lastSegment(), fNewName});
67 }
68
69 public String getNewName() {
70 return fNewName;
71 }
72
73 private IResource getResource() {
74 return ResourcesPlugin.getWorkspace().getRoot().findMember(fResourcePath);
75 }
76
77 public RefactoringStatus isValid(IProgressMonitor pm) throws CoreException {
78 IResource resource= getResource();
79 if (resource == null || !resource.exists())
80 return RefactoringStatus.createFatalErrorStatus(MessageFormat.format(PDEUIMessages.RenameProjectChange_projectDoesNotExist, new String [] {fResourcePath.toString()}));
81 if (ResourcesPlugin.getWorkspace().getRoot().getProject(fNewName).exists())
82 return RefactoringStatus.createFatalErrorStatus(MessageFormat.format(PDEUIMessages.RenameProjectChange_destinationExists, new String [] {fNewName}));
83 return new RefactoringStatus();
84 }
85
86 public Change perform(IProgressMonitor pm) throws CoreException {
87 try {
88 pm.beginTask(PDEUIMessages.RenameProjectChange_taskTitle, 1);
89
90 IResource resource= getResource();
91 long currentStamp= resource.getModificationStamp();
92 IPath newPath= renamedResourcePath(fResourcePath, fNewName);
93 resource.move(newPath, IResource.SHALLOW, pm);
94 if (fStampToRestore != IResource.NULL_STAMP) {
95 IResource newResource= ResourcesPlugin.getWorkspace().getRoot().findMember(newPath);
96 newResource.revertModificationStamp(fStampToRestore);
97 }
98 String oldName= fResourcePath.lastSegment();
99 return new RenameProjectChange(null, newPath, oldName, fComment, currentStamp);
100 } finally {
101 pm.done();
102 }
103 }
104
105 public void initializeValidationData(IProgressMonitor pm) {
106 }
108
109 }
110 |
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