| /******************************************************************************* |
| * 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.changes; |
| |
| 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.OperationCanceledException; |
| import org.eclipse.core.runtime.SubProgressMonitor; |
| |
| import org.eclipse.core.resources.IContainer; |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IFolder; |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IResource; |
| |
| import org.eclipse.ltk.core.refactoring.Change; |
| import org.eclipse.ltk.core.refactoring.participants.ReorgExecutionLog; |
| import org.eclipse.ltk.core.refactoring.resource.ResourceChange; |
| |
| import org.eclipse.jdt.internal.corext.refactoring.RefactoringCoreMessages; |
| import org.eclipse.jdt.internal.corext.refactoring.reorg.INewNameQuery; |
| import org.eclipse.jdt.internal.corext.refactoring.reorg.ReorgUtils; |
| import org.eclipse.jdt.internal.corext.util.Messages; |
| |
| import org.eclipse.jdt.internal.ui.viewsupport.BasicElementLabels; |
| |
| public class CopyResourceChange extends ResourceChange { |
| |
| private final INewNameQuery fNewNameQuery; |
| private final IResource fSource; |
| private final IContainer fTarget; |
| |
| |
| public CopyResourceChange(IResource res, IContainer dest, INewNameQuery newNameQuery) { |
| Assert.isTrue(res instanceof IFile || res instanceof IFolder); |
| Assert.isTrue(dest instanceof IProject || dest instanceof IFolder); |
| |
| fNewNameQuery= newNameQuery; |
| fSource= res; |
| fTarget= dest; |
| |
| // Copy resource change isn't undoable and isn't used |
| // as a redo/undo change right now. |
| setValidationMethod(SAVE_IF_DIRTY); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ltk.core.refactoring.Change#getName() |
| */ |
| @Override |
| public String getName() { |
| return Messages.format(RefactoringCoreMessages.CopyResourceString_copy, new String[] { BasicElementLabels.getPathLabel(getResource().getFullPath(), false), BasicElementLabels.getResourceName(getDestination()) }); |
| } |
| |
| /* non java-doc |
| * @see IChange#perform(ChangeContext, IProgressMonitor) |
| */ |
| @Override |
| public final Change perform(IProgressMonitor pm) throws CoreException, OperationCanceledException { |
| try{ |
| pm.beginTask(getName(), 2); |
| |
| String newName= getNewResourceName(); |
| IResource resource= getResource(); |
| boolean performReorg= deleteIfAlreadyExists(new SubProgressMonitor(pm, 1), newName); |
| if (!performReorg) |
| return null; |
| |
| getResource().copy(getDestinationPath(newName), getReorgFlags(), new SubProgressMonitor(pm, 1)); |
| |
| markAsExecuted(resource); |
| return null; |
| } finally { |
| pm.done(); |
| } |
| } |
| |
| private IPath getDestinationPath(String newName) { |
| return getDestination().getFullPath().append(newName); |
| } |
| |
| /** |
| * returns false if source and destination are the same (in workspace or on disk) |
| * in such case, no action should be performed |
| * @param pm the progress monitor |
| * @param newName the new name |
| * @return returns <code>true</code> if the resource already exists |
| * @throws CoreException thrown when teh resource cannpt be accessed |
| */ |
| private boolean deleteIfAlreadyExists(IProgressMonitor pm, String newName) throws CoreException { |
| pm.beginTask("", 1); //$NON-NLS-1$ |
| IResource current= getDestination().findMember(newName); |
| if (current == null) |
| return true; |
| if (! current.exists()) |
| return true; |
| |
| IResource resource= getResource(); |
| Assert.isNotNull(resource); |
| |
| if (ReorgUtils.areEqualInWorkspaceOrOnDisk(resource, current)) |
| return false; |
| |
| if (current instanceof IFile) |
| ((IFile)current).delete(false, true, new SubProgressMonitor(pm, 1)); |
| else if (current instanceof IFolder) |
| ((IFolder)current).delete(false, true, new SubProgressMonitor(pm, 1)); |
| else |
| Assert.isTrue(false); |
| |
| return true; |
| } |
| |
| |
| private String getNewResourceName() throws OperationCanceledException { |
| if (fNewNameQuery == null) |
| return getResource().getName(); |
| String name= fNewNameQuery.getNewName(); |
| if (name == null) |
| return getResource().getName(); |
| return name; |
| } |
| |
| @Override |
| protected IResource getModifiedResource() { |
| return getResource(); |
| } |
| |
| private IResource getResource() { |
| return fSource; |
| } |
| |
| private IContainer getDestination() { |
| return fTarget; |
| } |
| |
| private int getReorgFlags() { |
| return IResource.KEEP_HISTORY | IResource.SHALLOW; |
| } |
| |
| private void markAsExecuted(IResource resource) { |
| ReorgExecutionLog log= (ReorgExecutionLog)getAdapter(ReorgExecutionLog.class); |
| if (log != null) { |
| log.markAsProcessed(resource); |
| } |
| } |
| } |
| |