| /******************************************************************************* |
| * 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 java.util.ArrayList; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.OperationCanceledException; |
| |
| import org.eclipse.core.resources.IResource; |
| |
| import org.eclipse.ltk.core.refactoring.Change; |
| |
| import org.eclipse.jdt.core.ICompilationUnit; |
| import org.eclipse.jdt.core.IPackageFragment; |
| import org.eclipse.jdt.core.IPackageFragmentRoot; |
| import org.eclipse.jdt.core.JavaModelException; |
| |
| import org.eclipse.jdt.internal.corext.refactoring.RefactoringCoreMessages; |
| import org.eclipse.jdt.internal.corext.util.Messages; |
| |
| import org.eclipse.jdt.internal.ui.viewsupport.BasicElementLabels; |
| |
| public class MoveCompilationUnitChange extends CompilationUnitReorgChange { |
| |
| private boolean fUndoable; |
| private long fStampToRestore; |
| private final IPackageFragment[] fDeletePackages; |
| |
| public MoveCompilationUnitChange(ICompilationUnit cu, IPackageFragment newPackage){ |
| super(cu, newPackage); |
| fStampToRestore= IResource.NULL_STAMP; |
| fDeletePackages= null; |
| |
| setValidationMethod(SAVE_IF_DIRTY | VALIDATE_NOT_READ_ONLY); |
| } |
| |
| private MoveCompilationUnitChange(IPackageFragment oldPackage, String cuName, IPackageFragment newPackage, long stampToRestore, IPackageFragment[] deletePackages) { |
| super(oldPackage.getHandleIdentifier(), newPackage.getHandleIdentifier(), oldPackage.getCompilationUnit(cuName).getHandleIdentifier()); |
| fStampToRestore= stampToRestore; |
| fDeletePackages= deletePackages; |
| |
| setValidationMethod(SAVE_IF_DIRTY | VALIDATE_NOT_READ_ONLY); |
| } |
| |
| @Override |
| public String getName() { |
| return Messages.format(RefactoringCoreMessages.MoveCompilationUnitChange_name, |
| new String[]{BasicElementLabels.getFileName(getCu()), getPackageName(getDestinationPackage())}); |
| } |
| |
| @Override |
| Change doPerformReorg(IProgressMonitor pm) throws CoreException, OperationCanceledException { |
| String name; |
| String newName= getNewName(); |
| if (newName == null) |
| name= getCu().getElementName(); |
| else |
| name= newName; |
| |
| // get current modification stamp |
| long currentStamp= IResource.NULL_STAMP; |
| IResource resource= getCu().getResource(); |
| if (resource != null) { |
| currentStamp= resource.getModificationStamp(); |
| } |
| |
| IPackageFragment destination= getDestinationPackage(); |
| fUndoable= !destination.exists() || !destination.getCompilationUnit(name).exists(); |
| |
| IPackageFragment[] createdPackages= null; |
| if (!destination.exists()) { |
| IPackageFragmentRoot packageFragmentRoot= (IPackageFragmentRoot) destination.getParent(); |
| createdPackages= createDestination(packageFragmentRoot, destination, pm); |
| } |
| |
| // perform the move and restore modification stamp |
| getCu().move(destination, null, newName, true, pm); |
| if (fStampToRestore != IResource.NULL_STAMP) { |
| ICompilationUnit moved= destination.getCompilationUnit(name); |
| IResource movedResource= moved.getResource(); |
| if (movedResource != null) { |
| movedResource.revertModificationStamp(fStampToRestore); |
| } |
| } |
| |
| if (fDeletePackages != null) { |
| for (int i= fDeletePackages.length - 1; i >= 0; i--) { |
| fDeletePackages[i].delete(true, pm); |
| } |
| } |
| |
| if (fUndoable) { |
| return new MoveCompilationUnitChange(destination, getCu().getElementName(), getOldPackage(), currentStamp, createdPackages); |
| } else { |
| return null; |
| } |
| } |
| |
| private IPackageFragment[] createDestination(IPackageFragmentRoot root, IPackageFragment destination, IProgressMonitor pm) throws JavaModelException { |
| String packageName= destination.getElementName(); |
| String[] split= packageName.split("\\."); //$NON-NLS-1$ |
| |
| ArrayList<IPackageFragment> created= new ArrayList<IPackageFragment>(); |
| |
| StringBuffer name= new StringBuffer(); |
| name.append(split[0]); |
| for (int i= 0; i < split.length; i++) { |
| IPackageFragment fragment= root.getPackageFragment(name.toString()); |
| if (!fragment.exists()) { |
| created.add(fragment); |
| } |
| |
| if (fragment.equals(destination)) { |
| root.createPackageFragment(name.toString(), true, pm); |
| return created.toArray(new IPackageFragment[created.size()]); |
| } |
| |
| name.append("."); //$NON-NLS-1$ |
| name.append(split[i + 1]); |
| } |
| |
| return null; |
| } |
| } |