| /******************************************************************************* |
| * Copyright (c) 2005, 2006 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.ui.text.correction; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| |
| import org.eclipse.debug.core.DebugPlugin; |
| import org.eclipse.debug.core.ILaunchConfiguration; |
| import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy; |
| import org.eclipse.debug.core.ILaunchManager; |
| import org.eclipse.debug.core.model.ILaunchConfigurationDelegate; |
| |
| import org.eclipse.debug.ui.IDebugUIConstants; |
| |
| import org.eclipse.jdt.core.IJavaProject; |
| |
| import org.eclipse.jdt.launching.IJavaLaunchConfigurationConstants; |
| import org.eclipse.jdt.launching.IRuntimeClasspathEntry; |
| |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| |
| /** |
| * Helper class to compute a batch of serial version IDs. |
| * |
| * @since 3.2 |
| */ |
| public final class SerialVersionComputationHelper { |
| |
| /** The launch configuration type */ |
| private static final String LAUNCH_CONFIG_TYPE= "org.eclipse.jdt.ui.serial.support"; //$NON-NLS-1$ |
| |
| /** The serial support class */ |
| private static final String SERIAL_SUPPORT_CLASS= "org.eclipse.jdt.internal.ui.text.correction.SerialVersionComputer"; //$NON-NLS-1$ |
| |
| /** |
| * Computes the serial IDs for the specified fully qualified class names. |
| * |
| * @param classPath |
| * the class path to use |
| * @param project |
| * the project used to associated the private launch |
| * configuration |
| * @param classNames |
| * the fully qualified class names |
| * @param monitor |
| * the progress monitor to use |
| * @return the array of serial version ids corresponding |
| * @throws CoreException |
| * if any error occurs during serial version ID computation |
| */ |
| public static long[] computeSerialIDs(final IRuntimeClasspathEntry[] classPath, final IJavaProject project, final String[] classNames, final IProgressMonitor monitor) throws CoreException { |
| Assert.isNotNull(classPath); |
| Assert.isNotNull(project); |
| Assert.isNotNull(classNames); |
| Assert.isNotNull(monitor); |
| long[] result= {}; |
| final ILaunchConfigurationWorkingCopy copy= DebugPlugin.getDefault().getLaunchManager().getLaunchConfigurationType(LAUNCH_CONFIG_TYPE).newInstance(null, LAUNCH_CONFIG_TYPE + System.currentTimeMillis()); |
| copy.setAttribute(IDebugUIConstants.ATTR_PRIVATE, true); |
| copy.setAttribute(IJavaLaunchConfigurationConstants.ATTR_DEFAULT_CLASSPATH, false); |
| copy.setAttribute(IJavaLaunchConfigurationConstants.ATTR_MAIN_TYPE_NAME, SERIAL_SUPPORT_CLASS); |
| final StringBuffer buffer= new StringBuffer(); |
| for (int index= 0; index < classNames.length; index++) { |
| buffer.append(classNames[index]); |
| buffer.append(' '); |
| } |
| copy.setAttribute(IJavaLaunchConfigurationConstants.ATTR_PROGRAM_ARGUMENTS, buffer.toString()); |
| copy.setAttribute(IJavaLaunchConfigurationConstants.ATTR_PROJECT_NAME, project.getElementName()); |
| final List mementos= new ArrayList(classPath.length); |
| IRuntimeClasspathEntry entry= null; |
| for (int index= 0; index < classPath.length; index++) { |
| entry= classPath[index]; |
| mementos.add(entry.getMemento()); |
| } |
| copy.setAttribute(IJavaLaunchConfigurationConstants.ATTR_CLASSPATH, mementos); |
| final ILaunchConfiguration configuration= copy.doSave(); |
| try { |
| final ILaunchConfigurationDelegate delegate= configuration.getType().getDelegate(ILaunchManager.RUN_MODE); |
| if (delegate instanceof SerialVersionLaunchConfigurationDelegate) { |
| final SerialVersionLaunchConfigurationDelegate extension= (SerialVersionLaunchConfigurationDelegate) delegate; |
| configuration.launch(ILaunchManager.RUN_MODE, monitor, true, false); |
| result= extension.getSerialVersionIDs(); |
| final String message= extension.getErrorMessage(); |
| if (message != null) |
| throw new CoreException(new Status(IStatus.ERROR, JavaPlugin.getPluginId(), 0, message, null)); |
| } else |
| throw new CoreException(new Status(IStatus.ERROR, JavaPlugin.getPluginId(), 0, CorrectionMessages.SerialVersionHashProposal_wrong_launch_delegate, null)); |
| } finally { |
| configuration.delete(); |
| } |
| return result; |
| } |
| |
| /** |
| * Creates a new serial version computation helper. |
| */ |
| private SerialVersionComputationHelper() { |
| // Not for instantiation |
| } |
| } |