| /******************************************************************************* |
| * Copyright (c) 2005 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.pde.internal.ui.refactoring; |
| |
| import org.eclipse.core.filebuffers.FileBuffers; |
| import org.eclipse.core.filebuffers.ITextFileBuffer; |
| import org.eclipse.core.filebuffers.ITextFileBufferManager; |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.jdt.core.IJavaElement; |
| import org.eclipse.jdt.core.IPackageFragment; |
| import org.eclipse.jdt.core.IType; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.ltk.core.refactoring.Change; |
| import org.eclipse.ltk.core.refactoring.TextFileChange; |
| import org.eclipse.pde.core.plugin.IPluginAttribute; |
| import org.eclipse.pde.core.plugin.IPluginElement; |
| import org.eclipse.pde.core.plugin.IPluginExtension; |
| import org.eclipse.pde.core.plugin.IPluginObject; |
| import org.eclipse.pde.core.plugin.IPluginParent; |
| import org.eclipse.pde.internal.core.PDECore; |
| import org.eclipse.pde.internal.core.ischema.IMetaAttribute; |
| import org.eclipse.pde.internal.core.ischema.ISchema; |
| import org.eclipse.pde.internal.core.ischema.ISchemaAttribute; |
| import org.eclipse.pde.internal.core.ischema.ISchemaElement; |
| import org.eclipse.pde.internal.core.schema.SchemaRegistry; |
| import org.eclipse.pde.internal.core.text.IDocumentAttribute; |
| import org.eclipse.pde.internal.core.text.plugin.FragmentModel; |
| import org.eclipse.pde.internal.core.text.plugin.PluginModel; |
| import org.eclipse.pde.internal.core.text.plugin.PluginModelBase; |
| import org.eclipse.pde.internal.core.text.plugin.PluginNode; |
| import org.eclipse.text.edits.MultiTextEdit; |
| import org.eclipse.text.edits.ReplaceEdit; |
| import org.eclipse.text.edits.TextEdit; |
| |
| public class PluginManifestChange { |
| |
| public static Change createRenameChange(IFile file, IJavaElement[] affectedElements, String[] newNames, IProgressMonitor monitor) |
| throws CoreException { |
| ITextFileBufferManager manager = FileBuffers.getTextFileBufferManager(); |
| try { |
| manager.connect(file.getFullPath(), monitor); |
| ITextFileBuffer buffer = manager.getTextFileBuffer(file.getFullPath()); |
| |
| IDocument document = buffer.getDocument(); |
| |
| try { |
| PluginModelBase model; |
| if ("fragment.xml".equals(file.getName())) //$NON-NLS-1$ |
| model = new FragmentModel(document, false); |
| else |
| model = new PluginModel(document, false); |
| |
| model.load(); |
| if (!model.isLoaded()) |
| return null; |
| |
| MultiTextEdit multiEdit = new MultiTextEdit(); |
| |
| for (int i = 0; i < affectedElements.length; i++) { |
| if (model instanceof PluginModel) { |
| PluginNode plugin = (PluginNode)model.getPluginBase(); |
| IDocumentAttribute attr = plugin.getDocumentAttribute("class"); //$NON-NLS-1$ |
| TextEdit edit = createTextEdit(attr, affectedElements[i], newNames[i]); |
| if (edit != null) |
| multiEdit.addChild(edit); |
| } |
| |
| SchemaRegistry registry = PDECore.getDefault().getSchemaRegistry(); |
| IPluginExtension[] extensions = model.getPluginBase().getExtensions(); |
| for (int j = 0; j < extensions.length; j++) { |
| ISchema schema = registry.getSchema(extensions[j].getPoint()); |
| if (schema != null) |
| addExtensionAttributeEdit(schema, extensions[j], multiEdit, affectedElements[i], newNames[i]); |
| } |
| } |
| |
| if (multiEdit.hasChildren()) { |
| TextFileChange change = new TextFileChange("", file); //$NON-NLS-1$ |
| change.setEdit(multiEdit); |
| return change; |
| } |
| } catch (CoreException e) { |
| return null; |
| } |
| return null; |
| } finally { |
| manager.disconnect(file.getFullPath(), monitor); |
| } |
| } |
| |
| private static void addExtensionAttributeEdit(ISchema schema, IPluginParent parent, MultiTextEdit multi, IJavaElement element, String newName) { |
| IPluginObject[] children = parent.getChildren(); |
| for (int i = 0; i < children.length; i++) { |
| IPluginElement child = (IPluginElement)children[i]; |
| ISchemaElement schemaElement = schema.findElement(child.getName()); |
| if (schemaElement != null) { |
| IPluginAttribute[] attributes = child.getAttributes(); |
| for (int j = 0; j < attributes.length; j++) { |
| IPluginAttribute attr = attributes[j]; |
| ISchemaAttribute attInfo = schemaElement.getAttribute(attr.getName()); |
| if (attInfo != null && attInfo.getKind() == IMetaAttribute.JAVA) { |
| IDocumentAttribute docAttr = (IDocumentAttribute)attr; |
| TextEdit edit = createTextEdit(docAttr, element, newName); |
| if (edit != null) |
| multi.addChild(edit); |
| } |
| } |
| } |
| addExtensionAttributeEdit(schema, child, multi, element, newName); |
| } |
| } |
| |
| private static TextEdit createTextEdit(IDocumentAttribute attr, IJavaElement element, String newName) { |
| if (attr == null) |
| return null; |
| |
| String oldName = (element instanceof IType) |
| ? ((IType)element).getFullyQualifiedName('$') |
| : element.getElementName(); |
| String value = attr.getAttributeValue(); |
| if (oldName.equals(value) || isGoodMatch(value, oldName, element instanceof IPackageFragment)) { |
| int offset = attr.getValueOffset(); |
| if (offset >= 0) |
| return new ReplaceEdit(offset, oldName.length(), newName); |
| } |
| return null; |
| } |
| |
| private static boolean isGoodMatch(String value, String oldName, boolean isPackage) { |
| if (value == null || value.length() <= oldName.length()) |
| return false; |
| boolean goodLengthMatch = isPackage |
| ? value.lastIndexOf('.') <= oldName.length() |
| : value.charAt(oldName.length()) == '$'; |
| return value.startsWith(oldName) && goodLengthMatch; |
| } |
| } |