| /******************************************************************************* |
| * 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.junit.refactoring; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| |
| import org.eclipse.debug.core.ILaunchConfiguration; |
| import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy; |
| |
| import org.eclipse.ltk.core.refactoring.Change; |
| import org.eclipse.ltk.core.refactoring.NullChange; |
| import org.eclipse.ltk.core.refactoring.RefactoringStatus; |
| |
| import org.eclipse.jdt.internal.junit.Messages; |
| import org.eclipse.jdt.internal.junit.ui.JUnitMessages; |
| |
| public abstract class LaunchConfigChange extends Change { |
| |
| protected LaunchConfigurationContainer fConfig; |
| |
| private final boolean fShouldFlagWarning; |
| |
| public LaunchConfigChange(LaunchConfigurationContainer config, boolean shouldFlagWarning) { |
| fConfig= config; |
| fShouldFlagWarning= shouldFlagWarning; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public Object getModifiedElement() { |
| return fConfig; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void initializeValidationData(IProgressMonitor pm) { |
| // must be implemented to decide correct value of isValid |
| } |
| |
| public RefactoringStatus isValid(IProgressMonitor pm) throws CoreException { |
| RefactoringStatus refactoringStatus= new RefactoringStatus(); |
| if (!fConfig.getConfiguration().exists() && fShouldFlagWarning) |
| refactoringStatus.addError(Messages.format(JUnitMessages.LaunchConfigChange_configDeleted, fConfig.getName())); |
| return refactoringStatus; |
| } |
| |
| public Change perform(IProgressMonitor pm) throws CoreException { |
| if (!fConfig.getConfiguration().exists()) |
| return new NullChange(); |
| |
| pm.beginTask("", 1); //$NON-NLS-1$ |
| String oldValue= getOldValue(fConfig.getConfiguration()); |
| |
| ILaunchConfigurationWorkingCopy copy= fConfig.getConfiguration().getWorkingCopy(); |
| alterLaunchConfiguration(copy); |
| fConfig.setConfiguration(copy.doSave()); |
| |
| Change undo= getUndo(oldValue); |
| |
| pm.worked(1); |
| return undo; |
| } |
| |
| public boolean shouldFlagWarning() { |
| return fShouldFlagWarning; |
| } |
| |
| protected abstract void alterLaunchConfiguration(ILaunchConfigurationWorkingCopy copy) throws CoreException; |
| |
| protected abstract String getOldValue(ILaunchConfiguration config) throws CoreException; |
| |
| protected abstract Change getUndo(String oldValue) throws CoreException; |
| } |