| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| |
| import org.eclipse.core.resources.IResource; |
| |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jdt.core.IPackageFragmentRoot; |
| import org.eclipse.jdt.core.JavaCore; |
| import org.eclipse.jdt.core.JavaModelException; |
| |
| import org.eclipse.jdt.internal.corext.Assert; |
| import org.eclipse.jdt.internal.corext.refactoring.RefactoringCoreMessages; |
| import org.eclipse.jdt.internal.corext.refactoring.reorg.IPackageFragmentRootManipulationQuery; |
| import org.eclipse.jdt.internal.corext.refactoring.util.JavaElementUtil; |
| import org.eclipse.jdt.internal.corext.util.Messages; |
| |
| import org.eclipse.ltk.core.refactoring.RefactoringStatus; |
| |
| public class DeletePackageFragmentRootChange extends AbstractDeleteChange { |
| |
| private final String fHandle; |
| private final boolean fIsExecuteChange; |
| private final IPackageFragmentRootManipulationQuery fUpdateClasspathQuery; |
| |
| public DeletePackageFragmentRootChange(IPackageFragmentRoot root, boolean isExecuteChange, |
| IPackageFragmentRootManipulationQuery updateClasspathQuery) { |
| Assert.isNotNull(root); |
| Assert.isTrue(! root.isExternal()); |
| fHandle= root.getHandleIdentifier(); |
| fIsExecuteChange= isExecuteChange; |
| fUpdateClasspathQuery= updateClasspathQuery; |
| } |
| |
| public String getName() { |
| String[] keys= {getRoot().getElementName()}; |
| return Messages.format(RefactoringCoreMessages.DeletePackageFragmentRootChange_delete, keys); |
| } |
| |
| public Object getModifiedElement() { |
| return getRoot(); |
| } |
| |
| private IPackageFragmentRoot getRoot(){ |
| return (IPackageFragmentRoot)JavaCore.create(fHandle); |
| } |
| |
| public RefactoringStatus isValid(IProgressMonitor pm) throws CoreException { |
| if (fIsExecuteChange) { |
| // don't check for read-only resources since we already |
| // prompt the user via a dialog to confirm deletion of |
| // read only resource. The change is currently not used |
| // as |
| return super.isValid(pm, DIRTY); |
| } else { |
| return super.isValid(pm, READ_ONLY | DIRTY); |
| } |
| } |
| |
| protected void doDelete(IProgressMonitor pm) throws CoreException { |
| if (! confirmDeleteIfReferenced()) |
| return; |
| int resourceUpdateFlags= IResource.KEEP_HISTORY; |
| int jCoreUpdateFlags= IPackageFragmentRoot.ORIGINATING_PROJECT_CLASSPATH | IPackageFragmentRoot.OTHER_REFERRING_PROJECTS_CLASSPATH; |
| getRoot().delete(resourceUpdateFlags, jCoreUpdateFlags, pm); |
| } |
| |
| private boolean confirmDeleteIfReferenced() throws JavaModelException { |
| if (! getRoot().isArchive()) //for source folders, you don't ask, just do it |
| return true; |
| if (fUpdateClasspathQuery == null) |
| return true; |
| IJavaProject[] referencingProjects= JavaElementUtil.getReferencingProjects(getRoot()); |
| if (referencingProjects.length == 0) |
| return true; |
| return fUpdateClasspathQuery.confirmManipulation(getRoot(), referencingProjects); |
| } |
| } |