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1
11 package org.eclipse.jdt.internal.corext.refactoring.rename;
12
13 import org.eclipse.core.runtime.Assert;
14 import org.eclipse.core.runtime.CoreException;
15 import org.eclipse.core.runtime.IProgressMonitor;
16
17 import org.eclipse.core.resources.IContainer;
18 import org.eclipse.core.resources.IResource;
19 import org.eclipse.core.resources.ResourcesPlugin;
20 import org.eclipse.core.resources.mapping.IResourceChangeDescriptionFactory;
21
22 import org.eclipse.ltk.core.refactoring.Change;
23 import org.eclipse.ltk.core.refactoring.RefactoringDescriptor;
24 import org.eclipse.ltk.core.refactoring.RefactoringStatus;
25 import org.eclipse.ltk.core.refactoring.participants.CheckConditionsContext;
26 import org.eclipse.ltk.core.refactoring.participants.RefactoringArguments;
27 import org.eclipse.ltk.core.refactoring.participants.RefactoringParticipant;
28 import org.eclipse.ltk.core.refactoring.participants.RenameArguments;
29 import org.eclipse.ltk.core.refactoring.participants.RenameProcessor;
30 import org.eclipse.ltk.core.refactoring.participants.ResourceChangeChecker;
31 import org.eclipse.ltk.core.refactoring.participants.SharableParticipants;
32
33 import org.eclipse.jdt.core.JavaModelException;
34 import org.eclipse.jdt.core.refactoring.IJavaRefactorings;
35 import org.eclipse.jdt.core.refactoring.descriptors.RenameResourceDescriptor;
36
37 import org.eclipse.jdt.internal.corext.refactoring.JDTRefactoringDescriptor;
38 import org.eclipse.jdt.internal.corext.refactoring.JDTRefactoringDescriptorComment;
39 import org.eclipse.jdt.internal.corext.refactoring.JavaRefactoringArguments;
40 import org.eclipse.jdt.internal.corext.refactoring.RefactoringAvailabilityTester;
41 import org.eclipse.jdt.internal.corext.refactoring.RefactoringCoreMessages;
42 import org.eclipse.jdt.internal.corext.refactoring.changes.DynamicValidationStateChange;
43 import org.eclipse.jdt.internal.corext.refactoring.changes.RenameResourceChange;
44 import org.eclipse.jdt.internal.corext.refactoring.code.ScriptableRefactoring;
45 import org.eclipse.jdt.internal.corext.refactoring.participants.ResourceProcessors;
46 import org.eclipse.jdt.internal.corext.refactoring.tagging.ICommentProvider;
47 import org.eclipse.jdt.internal.corext.refactoring.tagging.INameUpdating;
48 import org.eclipse.jdt.internal.corext.refactoring.tagging.IScriptableRefactoring;
49 import org.eclipse.jdt.internal.corext.util.Messages;
50 import org.eclipse.jdt.internal.corext.util.Resources;
51
52 public class RenameResourceProcessor extends RenameProcessor implements IScriptableRefactoring, ICommentProvider, INameUpdating {
53
54 public static final String  IDENTIFIER= "org.eclipse.jdt.ui.renameResourceProcessor";
56 private String fComment;
57
58 private String fNewElementName;
59
60 private RenameModifications fRenameModifications;
61
62 private IResource fResource;
63
64
70 public RenameResourceProcessor(IResource resource) {
71 fResource= resource;
72 if (resource != null) {
73 setNewElementName(resource.getName());
74 }
75 }
76
77 public boolean canEnableComment() {
78 return true;
79 }
80
81 public RefactoringStatus checkFinalConditions(IProgressMonitor pm, CheckConditionsContext context) throws JavaModelException {
82 pm.beginTask("", 1); try {
84 fRenameModifications= new RenameModifications();
85 fRenameModifications.rename(fResource, new RenameArguments(getNewElementName(), getUpdateReferences()));
86
87 ResourceChangeChecker checker= (ResourceChangeChecker) context.getChecker(ResourceChangeChecker.class);
88 IResourceChangeDescriptionFactory deltaFactory= checker.getDeltaFactory();
89 fRenameModifications.buildDelta(deltaFactory);
90
91 return new RefactoringStatus();
92 } finally {
93 pm.done();
94 }
95 }
96
97 public RefactoringStatus checkInitialConditions(IProgressMonitor pm) throws CoreException {
98 return RefactoringStatus.create(Resources.checkInSync(fResource));
99 }
100
101 public RefactoringStatus checkNewElementName(String newName) throws JavaModelException {
102 Assert.isNotNull(newName, "new name"); IContainer c= fResource.getParent();
104 if (c == null)
105 return RefactoringStatus.createFatalErrorStatus(RefactoringCoreMessages.RenameResourceRefactoring_Internal_Error);
106
107 if (c.findMember(newName) != null)
108 return RefactoringStatus.createFatalErrorStatus(RefactoringCoreMessages.RenameResourceRefactoring_alread_exists);
109
110 if (!c.getFullPath().isValidSegment(newName))
111 return RefactoringStatus.createFatalErrorStatus(RefactoringCoreMessages.RenameResourceRefactoring_invalidName);
112
113 RefactoringStatus result= RefactoringStatus.create(c.getWorkspace().validateName(newName, fResource.getType()));
114 if (!result.hasFatalError())
115 result.merge(RefactoringStatus.create(c.getWorkspace().validatePath(createNewPath(newName), fResource.getType())));
116 return result;
117 }
118
119 public Change createChange(IProgressMonitor pm) throws JavaModelException {
120 pm.beginTask("", 1); try {
122 String project= null;
123 if (fResource.getType() != IResource.PROJECT)
124 project= fResource.getProject().getName();
125 final String header= Messages.format(RefactoringCoreMessages.RenameResourceChange_descriptor_description, new String [] { fResource.getFullPath().toString(), getNewElementName()});
126 final String description= Messages.format(RefactoringCoreMessages.RenameResourceChange_descriptor_description_short, fResource.getName());
127 final String comment= new JDTRefactoringDescriptorComment(project, this, header).asString();
128 final int flags= RefactoringDescriptor.STRUCTURAL_CHANGE | RefactoringDescriptor.MULTI_CHANGE | RefactoringDescriptor.BREAKING_CHANGE;
129 final RenameResourceDescriptor descriptor= new RenameResourceDescriptor();
130 descriptor.setProject(project);
131 descriptor.setDescription(description);
132 descriptor.setComment(comment);
133 descriptor.setFlags(flags);
134 descriptor.setResource(fResource);
135 descriptor.setNewName(getNewElementName());
136 return new DynamicValidationStateChange(new RenameResourceChange(descriptor, fResource, getNewElementName(), comment));
137 } finally {
138 pm.done();
139 }
140 }
141
142 private String createNewPath(String newName) {
143 return fResource.getFullPath().removeLastSegments(1).append(newName).toString();
144 }
145
146 public String [] getAffectedProjectNatures() throws CoreException {
147 return ResourceProcessors.computeAffectedNatures(fResource);
148 }
149
150 public String getComment() {
151 return fComment;
152 }
153
154 public String getCurrentElementName() {
155 return fResource.getName();
156 }
157
158 public Object [] getElements() {
159 return new Object [] { fResource};
160 }
161
162 public String getIdentifier() {
163 return IDENTIFIER;
164 }
165
166 public Object getNewElement() {
167 return ResourcesPlugin.getWorkspace().getRoot().findMember(createNewPath(getNewElementName()));
168 }
169
170 public String getNewElementName() {
171 return fNewElementName;
172 }
173
174 public String getProcessorName() {
175 return RefactoringCoreMessages.RenameResourceProcessor_name;
176 }
177
178 public boolean getUpdateReferences() {
179 return true;
180 }
181
182 public RefactoringStatus initialize(final RefactoringArguments arguments) {
183 if (arguments instanceof JavaRefactoringArguments) {
184 final JavaRefactoringArguments extended= (JavaRefactoringArguments) arguments;
185 final String handle= extended.getAttribute(JDTRefactoringDescriptor.ATTRIBUTE_INPUT);
186 if (handle != null) {
187 fResource= JDTRefactoringDescriptor.handleToResource(extended.getProject(), handle);
188 if (fResource == null || !fResource.exists())
189 return ScriptableRefactoring.createInputFatalStatus(fResource, getRefactoring().getName(), IJavaRefactorings.RENAME_RESOURCE);
190 } else
191 return RefactoringStatus.createFatalErrorStatus(Messages.format(RefactoringCoreMessages.InitializableRefactoring_argument_not_exist, JDTRefactoringDescriptor.ATTRIBUTE_INPUT));
192 final String name= extended.getAttribute(JDTRefactoringDescriptor.ATTRIBUTE_NAME);
193 if (name != null && !"".equals(name)) setNewElementName(name);
195 else
196 return RefactoringStatus.createFatalErrorStatus(Messages.format(RefactoringCoreMessages.InitializableRefactoring_argument_not_exist, JDTRefactoringDescriptor.ATTRIBUTE_NAME));
197 } else
198 return RefactoringStatus.createFatalErrorStatus(RefactoringCoreMessages.InitializableRefactoring_inacceptable_arguments);
199 return new RefactoringStatus();
200 }
201
202 public boolean isApplicable() throws JavaModelException {
203 return RefactoringAvailabilityTester.isRenameAvailable(fResource);
204 }
205
206 public RefactoringParticipant[] loadParticipants(RefactoringStatus status, SharableParticipants shared) throws CoreException {
207 return fRenameModifications.loadParticipants(status, this, getAffectedProjectNatures(), shared);
208 }
209
210 public void setComment(final String comment) {
211 fComment= comment;
212 }
213
214 public void setNewElementName(String newName) {
215 Assert.isNotNull(newName);
216 fNewElementName= newName;
217 }
218 } |
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