| /******************************************************************************* |
| * 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.IPath; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.Path; |
| |
| import org.eclipse.core.resources.IContainer; |
| import org.eclipse.core.resources.IFile; |
| 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.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.RenameArguments; |
| |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jdt.core.IPackageFragmentRoot; |
| import org.eclipse.jdt.core.JavaCore; |
| |
| 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.RenameSourceFolderChange; |
| import org.eclipse.jdt.internal.corext.refactoring.code.ScriptableRefactoring; |
| import org.eclipse.jdt.internal.corext.refactoring.participants.JavaProcessors; |
| import org.eclipse.jdt.internal.corext.util.Messages; |
| |
| public class RenameSourceFolderProcessor extends JavaRenameProcessor { |
| |
| private static final String ID_RENAME_SOURCE_FOLDER= "org.eclipse.jdt.ui.rename.source.folder"; //$NON-NLS-1$ |
| private static final String ATTRIBUTE_PATH= "path"; //$NON-NLS-1$ |
| private static final String ATTRIBUTE_NAME= "name"; //$NON-NLS-1$ |
| |
| private IPackageFragmentRoot fSourceFolder; |
| |
| public static final String IDENTIFIER= "org.eclipse.jdt.ui.renameSourceFolderProcessor"; //$NON-NLS-1$ |
| |
| /** |
| * Creates a new rename source folder processor. |
| * @param root the package fragment root, or <code>null</code> if invoked by scripting |
| */ |
| public RenameSourceFolderProcessor(IPackageFragmentRoot root) { |
| fSourceFolder= root; |
| if (root != null) |
| setNewElementName(root.getElementName()); |
| } |
| |
| public String getIdentifier() { |
| return IDENTIFIER; |
| } |
| |
| public boolean isApplicable() throws CoreException { |
| return RefactoringAvailabilityTester.isRenameAvailable(fSourceFolder); |
| } |
| |
| public String getProcessorName() { |
| return RefactoringCoreMessages.RenameSourceFolderRefactoring_rename; |
| } |
| |
| protected String[] getAffectedProjectNatures() throws CoreException { |
| return JavaProcessors.computeAffectedNatures(fSourceFolder); |
| } |
| |
| public Object[] getElements() { |
| return new Object[] {fSourceFolder}; |
| } |
| |
| public Object getNewElement() throws CoreException { |
| IPackageFragmentRoot[] roots= fSourceFolder.getJavaProject().getPackageFragmentRoots(); |
| for (int i= 0; i < roots.length; i++) { |
| if (roots[i].getElementName().equals(getNewElementName())) |
| return roots[i]; |
| } |
| return null; |
| } |
| |
| protected RenameModifications computeRenameModifications() throws CoreException { |
| RenameModifications result= new RenameModifications(); |
| result.rename(fSourceFolder, new RenameArguments(getNewElementName(), getUpdateReferences())); |
| return result; |
| } |
| |
| protected IFile[] getChangedFiles() throws CoreException { |
| return new IFile[0]; |
| } |
| |
| //---- IRenameProcessor ---------------------------------------------- |
| |
| public String getCurrentElementName() { |
| return fSourceFolder.getElementName(); |
| } |
| |
| public RefactoringStatus checkInitialConditions(IProgressMonitor pm) throws CoreException { |
| return new RefactoringStatus(); |
| } |
| |
| public RefactoringStatus checkNewElementName(String newName) throws CoreException { |
| Assert.isNotNull(newName, "new name"); //$NON-NLS-1$ |
| if (! newName.trim().equals(newName)) |
| return RefactoringStatus.createFatalErrorStatus(RefactoringCoreMessages.RenameSourceFolderRefactoring_blank); |
| |
| IContainer c= fSourceFolder.getResource().getParent(); |
| if (! c.getFullPath().isValidSegment(newName)) |
| return RefactoringStatus.createFatalErrorStatus(RefactoringCoreMessages.RenameSourceFolderRefactoring_invalid_name); |
| |
| RefactoringStatus result= RefactoringStatus.create(c.getWorkspace().validateName(newName, IResource.FOLDER)); |
| if (result.hasFatalError()) |
| return result; |
| |
| result.merge(RefactoringStatus.create(c.getWorkspace().validatePath(createNewPath(newName), IResource.FOLDER))); |
| if (result.hasFatalError()) |
| return result; |
| |
| IJavaProject project= fSourceFolder.getJavaProject(); |
| IPath p= project.getProject().getFullPath().append(newName); |
| if (project.findPackageFragmentRoot(p) != null) |
| return RefactoringStatus.createFatalErrorStatus(RefactoringCoreMessages.RenameSourceFolderRefactoring_already_exists); |
| |
| if (project.getProject().findMember(new Path(newName)) != null) |
| return RefactoringStatus.createFatalErrorStatus(RefactoringCoreMessages.RenameSourceFolderRefactoring_alread_exists); |
| return result; |
| } |
| |
| private String createNewPath(String newName) { |
| return fSourceFolder.getPath().removeLastSegments(1).append(newName).toString(); |
| } |
| |
| protected RefactoringStatus doCheckFinalConditions(IProgressMonitor pm, CheckConditionsContext context) throws CoreException { |
| pm.beginTask("", 1); //$NON-NLS-1$ |
| try{ |
| return new RefactoringStatus(); |
| } finally{ |
| pm.done(); |
| } |
| } |
| |
| public boolean getUpdateReferences() { |
| return true; |
| } |
| |
| public Change createChange(IProgressMonitor pm) throws CoreException { |
| pm.beginTask("", 1); //$NON-NLS-1$ |
| try { |
| final Map arguments= new HashMap(); |
| final IResource resource= fSourceFolder.getResource(); |
| final String project= resource.getProject().getName(); |
| final String newName= getNewElementName(); |
| final String description= Messages.format(RefactoringCoreMessages.RenameSourceFolderChange_descriptor_description_short, fSourceFolder.getElementName()); |
| final String header= Messages.format(RefactoringCoreMessages.RenameSourceFolderChange_descriptor_description, new String[] { resource.getFullPath().toString(), newName}); |
| final String comment= new JavaRefactoringDescriptorComment(this, header).asString(); |
| final JavaRefactoringDescriptor descriptor= new JavaRefactoringDescriptor(ID_RENAME_SOURCE_FOLDER, project, description, comment, arguments, RefactoringDescriptor.NONE); |
| arguments.put(JavaRefactoringDescriptor.ATTRIBUTE_INPUT, descriptor.elementToHandle(JavaCore.create(resource))); |
| arguments.put(JavaRefactoringDescriptor.ATTRIBUTE_NAME, newName); |
| return new DynamicValidationStateChange(new RenameSourceFolderChange(descriptor, fSourceFolder, newName, comment)); |
| } finally { |
| pm.done(); |
| } |
| } |
| |
| public RefactoringStatus initialize(RefactoringArguments arguments) { |
| if (arguments instanceof JavaRefactoringArguments) { |
| final JavaRefactoringArguments generic= (JavaRefactoringArguments) arguments; |
| final String path= generic.getAttribute(ATTRIBUTE_PATH); |
| if (path != null) { |
| final IResource resource= ResourcesPlugin.getWorkspace().getRoot().findMember(new Path(path)); |
| if (resource == null || !resource.exists()) |
| return ScriptableRefactoring.createInputFatalStatus(resource, getRefactoring().getName(), ID_RENAME_SOURCE_FOLDER); |
| else |
| fSourceFolder= (IPackageFragmentRoot) JavaCore.create(resource); |
| } else |
| return RefactoringStatus.createFatalErrorStatus(Messages.format(RefactoringCoreMessages.InitializableRefactoring_argument_not_exist, ATTRIBUTE_PATH)); |
| final String name= generic.getAttribute(ATTRIBUTE_NAME); |
| if (name != null && !"".equals(name)) //$NON-NLS-1$ |
| setNewElementName(name); |
| else |
| return RefactoringStatus.createFatalErrorStatus(Messages.format(RefactoringCoreMessages.InitializableRefactoring_argument_not_exist, ATTRIBUTE_NAME)); |
| } else |
| return RefactoringStatus.createFatalErrorStatus(RefactoringCoreMessages.InitializableRefactoring_inacceptable_arguments); |
| return new RefactoringStatus(); |
| } |
| } |