| /******************************************************************************* |
| * 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 java.util.HashMap; |
| import java.util.Map; |
| |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| |
| import org.eclipse.core.resources.IContainer; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.resources.mapping.IResourceChangeDescriptionFactory; |
| |
| import org.eclipse.ltk.core.refactoring.Change; |
| import org.eclipse.ltk.core.refactoring.RefactoringDescriptor; |
| import org.eclipse.ltk.core.refactoring.RefactoringStatus; |
| import org.eclipse.ltk.core.refactoring.participants.CheckConditionsContext; |
| import org.eclipse.ltk.core.refactoring.participants.RefactoringArguments; |
| import org.eclipse.ltk.core.refactoring.participants.RefactoringParticipant; |
| import org.eclipse.ltk.core.refactoring.participants.RenameArguments; |
| 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.jdt.core.JavaModelException; |
| |
| import org.eclipse.jdt.internal.corext.refactoring.JavaRefactoringArguments; |
| import org.eclipse.jdt.internal.corext.refactoring.JavaRefactoringDescriptor; |
| import org.eclipse.jdt.internal.corext.refactoring.JavaRefactoringDescriptorComment; |
| import org.eclipse.jdt.internal.corext.refactoring.RefactoringAvailabilityTester; |
| import org.eclipse.jdt.internal.corext.refactoring.RefactoringCoreMessages; |
| import org.eclipse.jdt.internal.corext.refactoring.changes.DynamicValidationStateChange; |
| import org.eclipse.jdt.internal.corext.refactoring.changes.RenameResourceChange; |
| import org.eclipse.jdt.internal.corext.refactoring.code.ScriptableRefactoring; |
| import org.eclipse.jdt.internal.corext.refactoring.participants.ResourceProcessors; |
| 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; |
| import org.eclipse.jdt.internal.corext.util.Messages; |
| import org.eclipse.jdt.internal.corext.util.Resources; |
| |
| public class RenameResourceProcessor extends RenameProcessor implements IScriptableRefactoring, ICommentProvider, INameUpdating { |
| |
| static final String ID_RENAME_RESOURCE= "org.eclipse.jdt.ui.rename.resource"; //$NON-NLS-1$ |
| private IResource fResource; |
| private String fNewElementName; |
| private String fComment; |
| private RenameModifications fRenameModifications; |
| |
| public static final String IDENTIFIER= "org.eclipse.jdt.ui.renameResourceProcessor"; //$NON-NLS-1$ |
| |
| /** |
| * Creates a new rename resource processor. |
| * @param resource the resource, or <code>null</code> if invoked by scripting |
| */ |
| public RenameResourceProcessor(IResource resource) { |
| fResource= resource; |
| if (resource != null) { |
| setNewElementName(resource.getName()); |
| } |
| } |
| |
| //---- INameUpdating --------------------------------------------------- |
| |
| public void setNewElementName(String newName) { |
| Assert.isNotNull(newName); |
| fNewElementName= newName; |
| } |
| |
| public String getNewElementName() { |
| return fNewElementName; |
| } |
| |
| //---- IRenameProcessor methods --------------------------------------- |
| |
| public String getIdentifier() { |
| return IDENTIFIER; |
| } |
| |
| public boolean isApplicable() throws JavaModelException { |
| return RefactoringAvailabilityTester.isRenameAvailable(fResource); |
| } |
| |
| public String getProcessorName() { |
| return RefactoringCoreMessages.RenameResourceProcessor_name; |
| } |
| |
| public Object[] getElements() { |
| return new Object[] {fResource}; |
| } |
| |
| public String getCurrentElementName() { |
| return fResource.getName(); |
| } |
| |
| public String[] getAffectedProjectNatures() throws CoreException { |
| return ResourceProcessors.computeAffectedNatures(fResource); |
| } |
| |
| public Object getNewElement() { |
| return ResourcesPlugin.getWorkspace().getRoot().findMember(createNewPath(getNewElementName())); |
| } |
| |
| public boolean getUpdateReferences() { |
| return true; |
| } |
| |
| public RefactoringParticipant[] loadParticipants(RefactoringStatus status, SharableParticipants shared) throws CoreException { |
| return fRenameModifications.loadParticipants(status, this, getAffectedProjectNatures(), shared); |
| } |
| |
| //--- Condition checking -------------------------------------------- |
| |
| public RefactoringStatus checkInitialConditions(IProgressMonitor pm) throws CoreException { |
| return RefactoringStatus.create(Resources.checkInSync(fResource)); |
| } |
| |
| /* non java-doc |
| * @see IRenameRefactoring#checkNewName() |
| */ |
| public RefactoringStatus checkNewElementName(String newName) throws JavaModelException { |
| Assert.isNotNull(newName, "new name"); //$NON-NLS-1$ |
| IContainer c= fResource.getParent(); |
| if (c == null) |
| return RefactoringStatus.createFatalErrorStatus(RefactoringCoreMessages.RenameResourceRefactoring_Internal_Error); |
| |
| if (c.findMember(newName) != null) |
| return RefactoringStatus.createFatalErrorStatus(RefactoringCoreMessages.RenameResourceRefactoring_alread_exists); |
| |
| if (!c.getFullPath().isValidSegment(newName)) |
| return RefactoringStatus.createFatalErrorStatus(RefactoringCoreMessages.RenameResourceRefactoring_invalidName); |
| |
| RefactoringStatus result= RefactoringStatus.create(c.getWorkspace().validateName(newName, fResource.getType())); |
| if (! result.hasFatalError()) |
| result.merge(RefactoringStatus.create(c.getWorkspace().validatePath(createNewPath(newName), fResource.getType()))); |
| return result; |
| } |
| |
| /* non java-doc |
| * @see Refactoring#checkInput(IProgressMonitor) |
| */ |
| public RefactoringStatus checkFinalConditions(IProgressMonitor pm, CheckConditionsContext context) throws JavaModelException { |
| pm.beginTask("", 1); //$NON-NLS-1$ |
| try{ |
| fRenameModifications= new RenameModifications(); |
| fRenameModifications.rename(fResource, new RenameArguments(getNewElementName(), getUpdateReferences())); |
| |
| ResourceChangeChecker checker= (ResourceChangeChecker) context.getChecker(ResourceChangeChecker.class); |
| IResourceChangeDescriptionFactory deltaFactory= checker.getDeltaFactory(); |
| fRenameModifications.buildDelta(deltaFactory); |
| |
| return new RefactoringStatus(); |
| } finally{ |
| pm.done(); |
| } |
| } |
| |
| private String createNewPath(String newName){ |
| return fResource.getFullPath().removeLastSegments(1).append(newName).toString(); |
| } |
| |
| //--- changes |
| |
| public Change createChange(IProgressMonitor pm) throws JavaModelException { |
| pm.beginTask("", 1); //$NON-NLS-1$ |
| try { |
| final Map arguments= new HashMap(); |
| String project= null; |
| if (fResource.getType() != IResource.PROJECT) |
| project= fResource.getProject().getName(); |
| final String header= Messages.format(RefactoringCoreMessages.RenameResourceChange_descriptor_description, new String[] { fResource.getFullPath().toString(), getNewElementName()}); |
| final String description= Messages.format(RefactoringCoreMessages.RenameResourceChange_descriptor_description_short, fResource.getName()); |
| final String comment= new JavaRefactoringDescriptorComment(this, header).asString(); |
| final JavaRefactoringDescriptor descriptor= new JavaRefactoringDescriptor(RenameResourceProcessor.ID_RENAME_RESOURCE, project, description, comment, arguments, RefactoringDescriptor.STRUCTURAL_CHANGE | RefactoringDescriptor.MULTI_CHANGE | RefactoringDescriptor.BREAKING_CHANGE); |
| arguments.put(JavaRefactoringDescriptor.ATTRIBUTE_INPUT, JavaRefactoringDescriptor.resourceToHandle(project, fResource)); |
| arguments.put(JavaRefactoringDescriptor.ATTRIBUTE_NAME, getNewElementName()); |
| return new DynamicValidationStateChange(new RenameResourceChange(descriptor, fResource, getNewElementName(), comment)); |
| } finally { |
| pm.done(); |
| } |
| } |
| |
| public RefactoringStatus initialize(final RefactoringArguments arguments) { |
| if (arguments instanceof JavaRefactoringArguments) { |
| final JavaRefactoringArguments extended= (JavaRefactoringArguments) arguments; |
| final String handle= extended.getAttribute(JavaRefactoringDescriptor.ATTRIBUTE_INPUT); |
| if (handle != null) { |
| fResource= JavaRefactoringDescriptor.handleToResource(extended.getProject(), handle); |
| if (fResource == null || !fResource.exists()) |
| return ScriptableRefactoring.createInputFatalStatus(fResource, getRefactoring().getName(), ID_RENAME_RESOURCE); |
| } else |
| return RefactoringStatus.createFatalErrorStatus(Messages.format(RefactoringCoreMessages.InitializableRefactoring_argument_not_exist, JavaRefactoringDescriptor.ATTRIBUTE_INPUT)); |
| final String name= extended.getAttribute(JavaRefactoringDescriptor.ATTRIBUTE_NAME); |
| if (name != null && !"".equals(name)) //$NON-NLS-1$ |
| setNewElementName(name); |
| else |
| return RefactoringStatus.createFatalErrorStatus(Messages.format(RefactoringCoreMessages.InitializableRefactoring_argument_not_exist, JavaRefactoringDescriptor.ATTRIBUTE_NAME)); |
| } else |
| return RefactoringStatus.createFatalErrorStatus(RefactoringCoreMessages.InitializableRefactoring_inacceptable_arguments); |
| return new RefactoringStatus(); |
| } |
| |
| public boolean canEnableComment() { |
| return true; |
| } |
| |
| public String getComment() { |
| return fComment; |
| } |
| |
| public void setComment(final String comment) { |
| fComment= comment; |
| } |
| } |