| /******************************************************************************* |
| * Copyright (c) 2000, 2011 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.jdt.internal.corext.refactoring; |
| |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.SubProgressMonitor; |
| |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| |
| import org.eclipse.ltk.core.refactoring.Change; |
| import org.eclipse.ltk.core.refactoring.resource.ResourceChange; |
| |
| import org.eclipse.jdt.core.JavaCore; |
| |
| public abstract class AbstractJavaElementRenameChange extends ResourceChange { |
| |
| private final String fNewName; |
| |
| private final String fOldName; |
| |
| private final IPath fResourcePath; |
| |
| private final long fStampToRestore; |
| |
| protected AbstractJavaElementRenameChange(IPath resourcePath, String oldName, String newName) { |
| this(resourcePath, oldName, newName, IResource.NULL_STAMP); |
| } |
| |
| protected AbstractJavaElementRenameChange(IPath resourcePath, String oldName, String newName, long stampToRestore) { |
| Assert.isNotNull(newName, "new name"); //$NON-NLS-1$ |
| Assert.isNotNull(oldName, "old name"); //$NON-NLS-1$ |
| fResourcePath= resourcePath; |
| fOldName= oldName; |
| fNewName= newName; |
| fStampToRestore= stampToRestore; |
| } |
| |
| protected abstract IPath createNewPath(); |
| |
| protected abstract Change createUndoChange(long stampToRestore) throws CoreException; |
| |
| protected abstract void doRename(IProgressMonitor pm) throws CoreException; |
| |
| @Override |
| public Object getModifiedElement() { |
| return JavaCore.create(getResource()); |
| } |
| |
| @Override |
| protected IResource getModifiedResource() { |
| return getResource(); |
| } |
| |
| public String getNewName() { |
| return fNewName; |
| } |
| |
| public String getOldName() { |
| return fOldName; |
| } |
| |
| protected final IResource getResource() { |
| return ResourcesPlugin.getWorkspace().getRoot().findMember(fResourcePath); |
| } |
| |
| protected IPath getResourcePath() { |
| return fResourcePath; |
| } |
| |
| @Override |
| public final Change perform(IProgressMonitor pm) throws CoreException { |
| try { |
| pm.beginTask(RefactoringCoreMessages.AbstractRenameChange_Renaming, 1); |
| IResource resource= getResource(); |
| IPath newPath= createNewPath(); |
| Change result= createUndoChange(resource.getModificationStamp()); |
| doRename(new SubProgressMonitor(pm, 1)); |
| if (fStampToRestore != IResource.NULL_STAMP) { |
| IResource newResource= ResourcesPlugin.getWorkspace().getRoot().findMember(newPath); |
| newResource.revertModificationStamp(fStampToRestore); |
| } |
| return result; |
| } finally { |
| pm.done(); |
| } |
| } |
| } |