| /******************************************************************************* |
| * Copyright (c) 2000, 2006 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.rename; |
| |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.OperationCanceledException; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.mapping.IResourceChangeDescriptionFactory; |
| |
| import org.eclipse.ltk.core.refactoring.RefactoringStatus; |
| import org.eclipse.ltk.core.refactoring.participants.CheckConditionsContext; |
| import org.eclipse.ltk.core.refactoring.participants.RefactoringParticipant; |
| import org.eclipse.ltk.core.refactoring.participants.RenameProcessor; |
| import org.eclipse.ltk.core.refactoring.participants.ResourceChangeChecker; |
| import org.eclipse.ltk.core.refactoring.participants.SharableParticipants; |
| import org.eclipse.ltk.core.refactoring.participants.ValidateEditChecker; |
| |
| import org.eclipse.jdt.internal.corext.refactoring.tagging.ICommentProvider; |
| import org.eclipse.jdt.internal.corext.refactoring.tagging.INameUpdating; |
| import org.eclipse.jdt.internal.corext.refactoring.tagging.IScriptableRefactoring; |
| |
| public abstract class JavaRenameProcessor extends RenameProcessor implements IScriptableRefactoring, INameUpdating, ICommentProvider { |
| |
| private String fNewElementName; |
| private String fComment; |
| private RenameModifications fRenameModifications; |
| |
| public final RefactoringParticipant[] loadParticipants(RefactoringStatus status, SharableParticipants shared) throws CoreException { |
| return getRenameModifications().loadParticipants(status, this, getAffectedProjectNatures(), shared); |
| } |
| |
| public final RefactoringStatus checkFinalConditions(IProgressMonitor pm, CheckConditionsContext context) throws CoreException, OperationCanceledException { |
| ResourceChangeChecker checker= (ResourceChangeChecker) context.getChecker(ResourceChangeChecker.class); |
| IResourceChangeDescriptionFactory deltaFactory= checker.getDeltaFactory(); |
| RefactoringStatus result= doCheckFinalConditions(pm, context); |
| if (result.hasFatalError()) |
| return result; |
| IFile[] changed= getChangedFiles(); |
| for (int i= 0; i < changed.length; i++) { |
| deltaFactory.change(changed[i]); |
| } |
| RenameModifications renameModifications= getRenameModifications(); |
| renameModifications.buildDelta(deltaFactory); |
| renameModifications.buildValidateEdits((ValidateEditChecker)context.getChecker(ValidateEditChecker.class)); |
| return result; |
| } |
| |
| private RenameModifications getRenameModifications() throws CoreException { |
| if (fRenameModifications == null) |
| fRenameModifications= computeRenameModifications(); |
| return fRenameModifications; |
| } |
| |
| protected abstract RenameModifications computeRenameModifications() throws CoreException; |
| |
| protected abstract RefactoringStatus doCheckFinalConditions(IProgressMonitor pm, CheckConditionsContext context) throws CoreException, OperationCanceledException; |
| |
| protected abstract IFile[] getChangedFiles() throws CoreException; |
| |
| protected abstract String[] getAffectedProjectNatures() throws CoreException; |
| |
| public void setNewElementName(String newName) { |
| Assert.isNotNull(newName); |
| fNewElementName= newName; |
| } |
| |
| public String getNewElementName() { |
| return fNewElementName; |
| } |
| |
| /** |
| * <code>true</code> by default, subclasses may override. |
| * |
| * @return <code>true</code> iff this refactoring needs all editors to be saved, |
| * <code>false</code> otherwise |
| */ |
| public boolean needsSavedEditors() { |
| return true; |
| } |
| |
| public final boolean canEnableComment() { |
| return true; |
| } |
| |
| public final String getComment() { |
| return fComment; |
| } |
| |
| public final void setComment(String comment) { |
| fComment= comment; |
| } |
| } |