| /******************************************************************************* |
| * Copyright (c) 2000, 2017 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 |
| * |
| *******************************************************************************/ |
| package org.eclipse.dltk.internal.corext.refactoring.rename; |
| |
| import java.net.URI; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.eclipse.core.filesystem.EFS; |
| import org.eclipse.core.filesystem.IFileStore; |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| 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.dltk.core.DLTKCore; |
| import org.eclipse.dltk.core.IModelElement; |
| import org.eclipse.dltk.core.IScriptProject; |
| import org.eclipse.dltk.core.IScriptProjectFilenames; |
| import org.eclipse.dltk.internal.corext.refactoring.RefactoringAvailabilityTester; |
| import org.eclipse.dltk.internal.corext.refactoring.RefactoringCoreMessages; |
| import org.eclipse.dltk.internal.corext.refactoring.ScriptRefactoringArguments; |
| import org.eclipse.dltk.internal.corext.refactoring.ScriptRefactoringDescriptor; |
| import org.eclipse.dltk.internal.corext.refactoring.ScriptRefactoringDescriptorComment; |
| import org.eclipse.dltk.internal.corext.refactoring.changes.DynamicValidationStateChange; |
| import org.eclipse.dltk.internal.corext.refactoring.changes.RenameScriptProjectChange; |
| import org.eclipse.dltk.internal.corext.refactoring.code.ScriptableRefactoring; |
| import org.eclipse.dltk.internal.corext.refactoring.participants.ScriptProcessors; |
| import org.eclipse.dltk.internal.corext.refactoring.tagging.IReferenceUpdating; |
| import org.eclipse.dltk.internal.corext.util.Messages; |
| import org.eclipse.dltk.internal.corext.util.Resources; |
| 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; |
| |
| public class RenameScriptProjectProcessor extends ScriptRenameProcessor |
| implements IReferenceUpdating { |
| |
| private static final String ID_RENAME_SCRIPT_PROJECT = "org.eclipse.dltk.ui.rename.script.project"; //$NON-NLS-1$ |
| private static final String ATTRIBUTE_REFERENCES = "references"; //$NON-NLS-1$ |
| |
| private IScriptProject fProject; |
| private boolean fUpdateReferences; |
| |
| public static final String IDENTIFIER = "org.eclipse.dltk.ui.renameScriptProjectProcessor"; //$NON-NLS-1$ |
| |
| /** |
| * Creates a new renamescriptproject processor. |
| * |
| * @param project |
| * thescriptproject, or <code>null</code> if invoked by |
| * scripting |
| */ |
| public RenameScriptProjectProcessor(IScriptProject project) { |
| fProject = project; |
| if (fProject != null) |
| setNewElementName(fProject.getElementName()); |
| fUpdateReferences = true; |
| } |
| |
| @Override |
| public String getIdentifier() { |
| return IDENTIFIER; |
| } |
| |
| @Override |
| public boolean isApplicable() throws CoreException { |
| return RefactoringAvailabilityTester.isRenameAvailable(fProject); |
| } |
| |
| @Override |
| public String getProcessorName() { |
| return RefactoringCoreMessages.RenameScriptProjectRefactoring_rename; |
| } |
| |
| @Override |
| protected String[] getAffectedProjectNatures() throws CoreException { |
| return ScriptProcessors.computeAffectedNatures(fProject); |
| } |
| |
| @Override |
| public Object[] getElements() { |
| return new Object[] { fProject }; |
| } |
| |
| @Override |
| public Object getNewElement() throws CoreException { |
| IPath newPath = fProject.getPath().removeLastSegments(1) |
| .append(getNewElementName()); |
| return DLTKCore.create( |
| ResourcesPlugin.getWorkspace().getRoot().findMember(newPath)); |
| } |
| |
| @Override |
| protected RenameModifications computeRenameModifications() |
| throws CoreException { |
| RenameModifications result = new RenameModifications(); |
| result.rename(fProject, new RenameArguments(getNewElementName(), |
| getUpdateReferences())); |
| return result; |
| } |
| |
| @Override |
| protected IFile[] getChangedFiles() throws CoreException { |
| IFile projectFile = fProject.getProject() |
| .getFile(IScriptProjectFilenames.PROJECT_FILENAME); |
| if (projectFile != null && projectFile.exists()) { |
| return new IFile[] { projectFile }; |
| } |
| return new IFile[0]; |
| } |
| |
| // ---- IReferenceUpdating -------------------------------------- |
| |
| @Override |
| public boolean canEnableUpdateReferences() { |
| return true; |
| } |
| |
| @Override |
| public void setUpdateReferences(boolean update) { |
| fUpdateReferences = update; |
| } |
| |
| @Override |
| public boolean getUpdateReferences() { |
| return fUpdateReferences; |
| } |
| |
| // ---- IRenameProcessor ---------------------------------------------- |
| |
| @Override |
| public String getCurrentElementName() { |
| return fProject.getElementName(); |
| } |
| |
| @Override |
| public RefactoringStatus checkInitialConditions(IProgressMonitor pm) |
| throws CoreException { |
| return new RefactoringStatus(); |
| } |
| |
| @Override |
| public RefactoringStatus checkNewElementName(String newName) |
| throws CoreException { |
| Assert.isNotNull(newName, "new name"); //$NON-NLS-1$ |
| RefactoringStatus result = RefactoringStatus.create(ResourcesPlugin |
| .getWorkspace().validateName(newName, IResource.PROJECT)); |
| if (result.hasFatalError()) |
| return result; |
| |
| if (projectNameAlreadyExists(newName)) |
| return RefactoringStatus.createFatalErrorStatus( |
| RefactoringCoreMessages.RenameScriptProjectRefactoring_already_exists); |
| if (projectFolderAlreadyExists(newName)) |
| return RefactoringStatus.createFatalErrorStatus( |
| RefactoringCoreMessages.RenameScriptProjectProcessor_folder_already_exists); |
| |
| return new RefactoringStatus(); |
| } |
| |
| @Override |
| protected RefactoringStatus doCheckFinalConditions(IProgressMonitor pm, |
| CheckConditionsContext context) throws CoreException { |
| pm.beginTask("", 1); //$NON-NLS-1$ |
| try { |
| if (isReadOnly()) { |
| String message = Messages.format( |
| RefactoringCoreMessages.RenameScriptProjectRefactoring_read_only, |
| fProject.getElementName()); |
| return RefactoringStatus.createErrorStatus(message); |
| } |
| return new RefactoringStatus(); |
| } finally { |
| pm.done(); |
| } |
| } |
| |
| private boolean isReadOnly() { |
| return Resources.isReadOnly(fProject.getResource()); |
| } |
| |
| private boolean projectNameAlreadyExists(String newName) { |
| return ResourcesPlugin.getWorkspace().getRoot().getProject(newName) |
| .exists(); |
| } |
| |
| private boolean projectFolderAlreadyExists(String newName) |
| throws CoreException { |
| boolean isNotInWorkpace = fProject.getProject().getDescription() |
| .getLocationURI() != null; |
| if (isNotInWorkpace) |
| return false; // projects outside of the workspace are not renamed |
| URI locationURI = fProject.getProject().getLocationURI(); |
| IFileStore projectStore = EFS.getStore(locationURI); |
| IFileStore newProjectStore = projectStore.getParent().getChild(newName); |
| return newProjectStore.fetchInfo().exists(); |
| } |
| |
| // --- changes |
| |
| @Override |
| public Change createChange(IProgressMonitor pm) throws CoreException { |
| pm.beginTask("", 1); //$NON-NLS-1$ |
| try { |
| final Map arguments = new HashMap(); |
| final String description = Messages.format( |
| RefactoringCoreMessages.RenameScriptProjectProcessor_descriptor_description_short, |
| fProject.getElementName()); |
| final String header = Messages.format( |
| RefactoringCoreMessages.RenameScriptProjectChange_descriptor_description, |
| new String[] { fProject.getElementName(), |
| getNewElementName() }); |
| final String comment = new ScriptRefactoringDescriptorComment(this, |
| header).asString(); |
| final ScriptRefactoringDescriptor descriptor = new ScriptRefactoringDescriptor( |
| RenameScriptProjectProcessor.ID_RENAME_SCRIPT_PROJECT, null, |
| description, comment, arguments, |
| RefactoringDescriptor.STRUCTURAL_CHANGE |
| | RefactoringDescriptor.MULTI_CHANGE |
| | RefactoringDescriptor.BREAKING_CHANGE); |
| arguments.put(ScriptRefactoringDescriptor.ATTRIBUTE_INPUT, |
| descriptor.elementToHandle(fProject)); |
| arguments.put(ScriptRefactoringDescriptor.ATTRIBUTE_NAME, |
| getNewElementName()); |
| arguments.put(ATTRIBUTE_REFERENCES, |
| Boolean.valueOf(fUpdateReferences).toString()); |
| return new DynamicValidationStateChange( |
| new RenameScriptProjectChange(descriptor, fProject, |
| getNewElementName(), comment, fUpdateReferences)); |
| } finally { |
| pm.done(); |
| } |
| } |
| |
| @Override |
| public RefactoringStatus initialize(RefactoringArguments arguments) { |
| if (arguments instanceof ScriptRefactoringArguments) { |
| final ScriptRefactoringArguments extended = (ScriptRefactoringArguments) arguments; |
| final String handle = extended |
| .getAttribute(ScriptRefactoringDescriptor.ATTRIBUTE_INPUT); |
| if (handle != null) { |
| final IModelElement element = ScriptRefactoringDescriptor |
| .handleToElement(extended.getProject(), handle, false); |
| if (element == null || !element.exists() || element |
| .getElementType() != IModelElement.SCRIPT_PROJECT) { |
| return ScriptableRefactoring.createInputFatalStatus(element, |
| getRefactoring().getName(), |
| ID_RENAME_SCRIPT_PROJECT); |
| } |
| fProject = (IScriptProject) element; |
| } else |
| return RefactoringStatus.createFatalErrorStatus(Messages.format( |
| RefactoringCoreMessages.InitializableRefactoring_argument_not_exist, |
| ScriptRefactoringDescriptor.ATTRIBUTE_INPUT)); |
| final String name = extended |
| .getAttribute(ScriptRefactoringDescriptor.ATTRIBUTE_NAME); |
| if (name != null && !"".equals(name)) //$NON-NLS-1$ |
| setNewElementName(name); |
| else |
| return RefactoringStatus.createFatalErrorStatus(Messages.format( |
| RefactoringCoreMessages.InitializableRefactoring_argument_not_exist, |
| ScriptRefactoringDescriptor.ATTRIBUTE_NAME)); |
| final String references = extended |
| .getAttribute(ATTRIBUTE_REFERENCES); |
| if (references != null) { |
| fUpdateReferences = Boolean.valueOf(references).booleanValue(); |
| } else |
| return RefactoringStatus.createFatalErrorStatus(Messages.format( |
| RefactoringCoreMessages.InitializableRefactoring_argument_not_exist, |
| ATTRIBUTE_REFERENCES)); |
| } else |
| return RefactoringStatus.createFatalErrorStatus( |
| RefactoringCoreMessages.InitializableRefactoring_inacceptable_arguments); |
| return new RefactoringStatus(); |
| } |
| } |