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1
11 package org.eclipse.pde.internal.ui.refactoring;
12
13 import org.eclipse.core.filebuffers.FileBuffers;
14 import org.eclipse.core.filebuffers.ITextFileBuffer;
15 import org.eclipse.core.filebuffers.ITextFileBufferManager;
16 import org.eclipse.core.resources.IContainer;
17 import org.eclipse.core.resources.IFile;
18 import org.eclipse.core.resources.IResource;
19 import org.eclipse.core.runtime.CoreException;
20 import org.eclipse.core.runtime.IProgressMonitor;
21 import org.eclipse.core.runtime.Path;
22 import org.eclipse.jdt.core.IJavaElement;
23 import org.eclipse.jdt.core.IPackageFragment;
24 import org.eclipse.jdt.core.IType;
25 import org.eclipse.jface.text.IDocument;
26 import org.eclipse.ltk.core.refactoring.Change;
27 import org.eclipse.ltk.core.refactoring.TextChange;
28 import org.eclipse.ltk.core.refactoring.TextFileChange;
29 import org.eclipse.pde.core.plugin.IPluginAttribute;
30 import org.eclipse.pde.core.plugin.IPluginElement;
31 import org.eclipse.pde.core.plugin.IPluginExtension;
32 import org.eclipse.pde.core.plugin.IPluginObject;
33 import org.eclipse.pde.core.plugin.IPluginParent;
34 import org.eclipse.pde.internal.core.PDECore;
35 import org.eclipse.pde.internal.core.ischema.IMetaAttribute;
36 import org.eclipse.pde.internal.core.ischema.ISchema;
37 import org.eclipse.pde.internal.core.ischema.ISchemaAttribute;
38 import org.eclipse.pde.internal.core.ischema.ISchemaElement;
39 import org.eclipse.pde.internal.core.schema.SchemaRegistry;
40 import org.eclipse.pde.internal.core.text.IDocumentAttribute;
41 import org.eclipse.pde.internal.core.text.plugin.FragmentModel;
42 import org.eclipse.pde.internal.core.text.plugin.PluginModel;
43 import org.eclipse.pde.internal.core.text.plugin.PluginModelBase;
44 import org.eclipse.pde.internal.core.text.plugin.PluginNode;
45 import org.eclipse.text.edits.MultiTextEdit;
46 import org.eclipse.text.edits.ReplaceEdit;
47 import org.eclipse.text.edits.TextEdit;
48
49 public class PluginManifestChange {
50
51 public static Change createRenameChange(IFile file, Object  [] affectedElements, String [] newNames, TextChange textChange, IProgressMonitor monitor)
52 throws CoreException {
53 ITextFileBufferManager manager = FileBuffers.getTextFileBufferManager();
54 try {
55 manager.connect(file.getFullPath(), monitor);
56 ITextFileBuffer buffer = manager.getTextFileBuffer(file.getFullPath());
57
58 MultiTextEdit multiEdit = new MultiTextEdit();
59
60 IDocument document = buffer.getDocument();
61
62 try {
63 PluginModelBase model;
64 if ("fragment.xml".equals(file.getName())) model = new FragmentModel(document, false);
66 else
67 model = new PluginModel(document, false);
68
69 model.load();
70 if (!model.isLoaded())
71 return null;
72
73 for (int i = 0; i < affectedElements.length; i++) {
74 if (model instanceof PluginModel && affectedElements[i] instanceof IJavaElement) {
75 PluginNode plugin = (PluginNode)model.getPluginBase();
76 IDocumentAttribute attr = plugin.getDocumentAttribute("class"); TextEdit edit = createTextEdit(attr, (IJavaElement)affectedElements[i], newNames[i]);
78 if (edit != null)
79 multiEdit.addChild(edit);
80 }
81
82 SchemaRegistry registry = PDECore.getDefault().getSchemaRegistry();
83 IPluginExtension[] extensions = model.getPluginBase().getExtensions();
84 for (int j = 0; j < extensions.length; j++) {
85 ISchema schema = registry.getSchema(extensions[j].getPoint());
86 if (schema != null)
87 addExtensionAttributeEdit(schema, extensions[j], multiEdit, affectedElements[i], newNames[i]);
88 }
89 }
90
91 if (multiEdit.hasChildren()) {
92 if (textChange != null) {
94 TextEdit edit = textChange.getEdit();
95 if (edit instanceof MultiTextEdit) {
96 ((MultiTextEdit)edit).addChild(multiEdit);
97 multiEdit = ((MultiTextEdit)edit);
98 }
99 else
100 multiEdit.addChild(edit);
101 }
102 TextFileChange change = new TextFileChange("", file); change.setEdit(multiEdit);
104 return change;
105 }
106 } catch (CoreException e) {
107 return null;
108 }
109 return null;
110 } finally {
111 manager.disconnect(file.getFullPath(), monitor);
112 }
113 }
114
115 private static void addExtensionAttributeEdit(ISchema schema, IPluginParent parent, MultiTextEdit multi, Object element, String newName) {
116 IPluginObject[] children = parent.getChildren();
117 for (int i = 0; i < children.length; i++) {
118 IPluginElement child = (IPluginElement)children[i];
119 ISchemaElement schemaElement = schema.findElement(child.getName());
120 if (schemaElement != null) {
121 IPluginAttribute[] attributes = child.getAttributes();
122 for (int j = 0; j < attributes.length; j++) {
123 IPluginAttribute attr = attributes[j];
124 ISchemaAttribute attInfo = schemaElement.getAttribute(attr.getName());
125 if (attInfo != null) {
126 if (element instanceof IJavaElement && attInfo.getKind() == IMetaAttribute.JAVA) {
127 IDocumentAttribute docAttr = (IDocumentAttribute)attr;
128 TextEdit edit = createTextEdit(docAttr, (IJavaElement)element, newName);
129 if (edit != null)
130 multi.addChild(edit);
131 } else if (element instanceof IResource && attInfo.getKind() == IMetaAttribute.RESOURCE) {
132 IDocumentAttribute docAttr = (IDocumentAttribute)attr;
133 TextEdit edit = createTextEdit(docAttr, (IResource)element, newName);
134 if (edit != null)
135 multi.addChild(edit);
136 }
137 }
138 }
139 }
140 addExtensionAttributeEdit(schema, child, multi, element, newName);
141 }
142 }
143
144 private static TextEdit createTextEdit(IDocumentAttribute attr, IJavaElement element, String newName) {
145 if (attr == null)
146 return null;
147
148 String oldName = (element instanceof IType)
149 ? ((IType)element).getFullyQualifiedName('$')
150 : element.getElementName();
151 String value = attr.getAttributeValue();
152 if (oldName.equals(value) || isGoodMatch(value, oldName, element instanceof IPackageFragment)) {
153 int offset = attr.getValueOffset();
154 if (offset >= 0)
155 return new ReplaceEdit(offset, oldName.length(), newName);
156 }
157 return null;
158 }
159
160 private static TextEdit createTextEdit(IDocumentAttribute attr, IResource resource, String newName) {
161 if (attr != null) {
162 String oldName = resource.getProjectRelativePath().toString();
163 String value = attr.getAttributeValue();
164 if (oldName.equals(value) || ((resource instanceof IContainer) && isGoodFolderMatch(value, oldName))) {
165 int offset = attr.getValueOffset();
166 if (offset >= 0)
167 return new ReplaceEdit(offset, oldName.length(), newName);
168 }
169 }
170 return null;
171 }
172
173 private static boolean isGoodMatch(String value, String oldName, boolean isPackage) {
174 if (value == null || value.length() <= oldName.length())
175 return false;
176 boolean goodLengthMatch = isPackage
177 ? value.lastIndexOf('.') <= oldName.length()
178 : value.charAt(oldName.length()) == '$';
179 return value.startsWith(oldName) && goodLengthMatch;
180 }
181
182 private static boolean isGoodFolderMatch(String value, String oldName) {
183 return new Path(oldName).isPrefixOf(new Path(value));
184 }
185 }
186 |
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