ant/org.eclipse.ant.ui/Ant Tools Support/org/eclipse/ant/ui/internal/launchConfigurations/AntLaunchDelegate.java - gerrit/platform/eclipse.platform - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2003 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Common Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/cpl-v10.html
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.ant.ui.internal.launchConfigurations;


 import java.net.URL;
 import java.text.MessageFormat;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.Map;

 import org.eclipse.ant.core.AntCorePlugin;
 import org.eclipse.ant.core.AntCorePreferences;
 import org.eclipse.ant.core.AntRunner;
 import org.eclipse.ant.core.Property;
 import org.eclipse.ant.ui.internal.model.AntUIPlugin;
 import org.eclipse.ant.ui.internal.model.AntUtil;
 import org.eclipse.ant.ui.internal.model.IAntUIConstants;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.Status;
 import org.eclipse.debug.core.ILaunch;
 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.core.model.IProcess;
 import org.eclipse.jdt.internal.launching.JavaLocalApplicationLaunchConfigurationDelegate;
 import org.eclipse.jdt.launching.IJavaLaunchConfigurationConstants;
 import org.eclipse.jface.dialogs.ErrorDialog;
 import org.eclipse.ui.externaltools.internal.launchConfigurations.ExternalToolsUtil;
 import org.eclipse.ui.externaltools.internal.program.launchConfigurations.BackgroundResourceRefresher;
 import org.eclipse.ui.externaltools.internal.variable.ExpandVariableContext;

 /**
  * Launch delegate for ant builds
  */
 public class AntLaunchDelegate implements ILaunchConfigurationDelegate {

 	private static final String ANT_LOGGER_CLASS = "org.eclipse.ant.ui.internal.antsupport.logger.AntProcessBuildLogger"; //$NON-NLS-1$
 	private static final String NULL_LOGGER_CLASS = "org.eclipse.ant.ui.internal.antsupport.logger.NullBuildLogger"; //$NON-NLS-1$
 	private static final String BASE_DIR_PREFIX = "-Dbasedir="; //$NON-NLS-1$
 	private static final String INPUT_HANDLER_CLASS = "org.eclipse.ant.ui.internal.antsupport.inputhandler.AntInputHandler"; //$NON-NLS-1$

 	/**
 	 * @see org.eclipse.debug.core.model.ILaunchConfigurationDelegate#launch(org.eclipse.debug.core.ILaunchConfiguration, java.lang.String, org.eclipse.debug.core.ILaunch, org.eclipse.core.runtime.IProgressMonitor)
 	 */
 	public void launch(ILaunchConfiguration configuration, String mode, ILaunch launch, IProgressMonitor monitor) throws CoreException {
 		if (monitor.isCanceled()) {
 			return;
 		}

 		String vmTypeID= null;
 		try {
 			vmTypeID = configuration.getAttribute(IJavaLaunchConfigurationConstants.ATTR_VM_INSTALL_TYPE, (String)null);
 		} catch (CoreException ce) {
 			AntUIPlugin.log(ce);
 		}

 		if (ExternalToolsUtil.isBackground(configuration)) {
 			monitor.beginTask(MessageFormat.format(AntLaunchConfigurationMessages.getString("AntLaunchDelegate.Launching_{0}_1"), new String[] {configuration.getName()}), 10); //$NON-NLS-1$
 		} else {
 			monitor.beginTask(MessageFormat.format(AntLaunchConfigurationMessages.getString("AntLaunchDelegate.Running_{0}_2"), new String[] {configuration.getName()}), 100); //$NON-NLS-1$
 		}

 		// get variable context
 		ExpandVariableContext resourceContext = ExternalToolsUtil.getVariableContext();
 		monitor.worked(1);

 		if (monitor.isCanceled()) {
 			return;
 		}

 		// resolve location
 		IPath location = ExternalToolsUtil.getLocation(configuration, resourceContext);
 		monitor.worked(1);

 		if (monitor.isCanceled()) {
 			return;
 		}

 		if (vmTypeID == null && AntRunner.isBuildRunning()) {
 			IStatus status= new Status(IStatus.ERROR, IAntUIConstants.PLUGIN_ID, 1, MessageFormat.format(AntLaunchConfigurationMessages.getString("AntLaunchDelegate.Build_In_Progress"), new String[]{location.toOSString()}), null); //$NON-NLS-1$
 			throw new CoreException(status);
 		}

 		// resolve working directory
 		IPath workingDirectory = ExternalToolsUtil.getWorkingDirectory(configuration, resourceContext);
 		String baseDir = null;
 		if (workingDirectory != null) {
 			baseDir = workingDirectory.toOSString();
 		}
 		monitor.worked(1);

 		if (monitor.isCanceled()) {
 			return;
 		}

 		// link the process to its build logger via a timestamp
 		long timeStamp = System.currentTimeMillis();
 		String idStamp = Long.toString(timeStamp);
 		String idProperty = "-D" + AntProcess.ATTR_ANT_PROCESS_ID + "=" + idStamp; //$NON-NLS-1$ //$NON-NLS-2$

 		// resolve arguments
 		String[] arguments = ExternalToolsUtil.getArguments(configuration, resourceContext);
 		int argLength = 1; // at least one user property - timestamp
 		if (arguments != null) {
 			argLength += arguments.length;
 		}
 		if (baseDir != null && baseDir.length() > 0) {
 			argLength++;
 		}
 		String[] runnerArgs = new String[argLength];
 		if (arguments != null) {
 			System.arraycopy(arguments, 0, runnerArgs, 0, arguments.length);
 		}
 		if (baseDir != null && baseDir.length() > 0) {
 			runnerArgs[runnerArgs.length - 2] = BASE_DIR_PREFIX + baseDir;
 		}
 		runnerArgs[runnerArgs.length -1] = idProperty;

 		Map userProperties= AntUtil.getProperties(configuration);
 		String[] propertyFiles= AntUtil.getPropertyFiles(configuration);
 		String[] targets = AntUtil.getTargetsFromConfig(configuration);
 		URL[] customClasspath= AntUtil.getCustomClasspath(configuration);
 		String antHome= AntUtil.getAntHome(configuration);

 		AntRunner runner= null;
 		if (vmTypeID == null) {
 			runner= new AntRunner();
 			runner.setBuildFileLocation(location.toOSString());
 			if (ExternalToolsUtil.getCaptureOutput(configuration)) {
 				runner.addBuildLogger(ANT_LOGGER_CLASS);
 			} else {
 				runner.addBuildLogger(NULL_LOGGER_CLASS);
 			}
 			runner.setInputHandler(INPUT_HANDLER_CLASS);
 			runner.setArguments(runnerArgs);
 			if (userProperties != null) {
 				runner.addUserProperties(userProperties);
 			}

 			if (propertyFiles != null) {
 				runner.setPropertyFiles(propertyFiles);
 			}

 			if (targets != null) {
 				runner.setExecutionTargets(targets);
 			}

 			if (customClasspath != null) {
 				runner.setCustomClasspath(customClasspath);
 			}

 			if (antHome != null) {
 				runner.setAntHome(antHome);
 			}
 		}

 		monitor.worked(1);

 		if (monitor.isCanceled()) {
 			return;
 		}
 		StringBuffer commandLine= generateCommandLine(location, arguments, userProperties, propertyFiles, targets, antHome, vmTypeID != null);
 		if (vmTypeID != null) {
 			monitor.beginTask(MessageFormat.format(AntLaunchConfigurationMessages.getString("AntLaunchDelegate.Launching_{0}_1"), new String[] {configuration.getName()}), 10); //$NON-NLS-1$
 			runInSeparateVM(configuration, launch, monitor, idStamp, commandLine);
 			return;
 		}
 		Map attributes= new HashMap();
 		attributes.put(IProcess.ATTR_PROCESS_TYPE, IAntUIConstants.ID_ANT_PROCESS_TYPE);
 		attributes.put(AntProcess.ATTR_ANT_PROCESS_ID, idStamp);

 		final AntProcess process = new AntProcess(location.toOSString(), launch, attributes);
 		setProcessAttributes(process, idStamp, commandLine);

 		if (ExternalToolsUtil.isBackground(configuration)) {
 			final AntRunner finalRunner= runner;
 			Runnable r = new Runnable() {
 				public void run() {
 					try {
 						finalRunner.run(process);
 					} catch (final CoreException e) {
 						AntUIPlugin.getStandardDisplay().asyncExec(new Runnable() {
 							public void run() {
 								ErrorDialog.openError(null, AntLaunchConfigurationMessages.getString("AntLaunchDelegate.Failure"), null, e.getStatus()); //$NON-NLS-1$
 							}
 						});
 					}
 					process.terminated();
 				}
 			};
 			Thread background = new Thread(r);
 			background.start();
 			monitor.worked(1);
 			// refresh resources after process finishes
 			if (ExternalToolsUtil.getRefreshScope(configuration) != null) {
 				BackgroundResourceRefresher refresher = new BackgroundResourceRefresher(configuration, process, resourceContext);
 				refresher.startBackgroundRefresh();
 			}
 		} else {
 			// execute the build
 			try {
 				runner.run(monitor);
 			} catch (CoreException e) {
 				process.terminated();
 				throw e;
 			}
 			process.terminated();

 			// refresh resources
 			ExternalToolsUtil.refreshResources(configuration, resourceContext, monitor);
 		}

 		monitor.done();
 	}

 	private void setProcessAttributes(IProcess process, String idStamp, StringBuffer commandLine) {
 		// link the process to its build logger via a timestamp
 		process.setAttribute(IProcess.ATTR_PROCESS_TYPE, IAntUIConstants.ID_ANT_PROCESS_TYPE);
 		process.setAttribute(AntProcess.ATTR_ANT_PROCESS_ID, idStamp);

 		// create "fake" command line for the process
 		if (commandLine != null) {
 			process.setAttribute(IProcess.ATTR_CMDLINE, commandLine.toString());
 		}
 	}

 	private StringBuffer generateCommandLine(IPath location, String[] arguments, Map userProperties, String[] propertyFiles, String[] targets, String antHome, boolean separateVM) {
 		StringBuffer commandLine= new StringBuffer();

 		if (!separateVM) {
 			commandLine.append("ant"); //$NON-NLS-1$
 		}

 		if (arguments != null) {
 			for (int i = 0; i < arguments.length; i++) {
 				String arg = arguments[i];
 				commandLine.append(' ');
 				commandLine.append(arg);
 			}
 		}

 		AntCorePreferences prefs= AntCorePlugin.getPlugin().getPreferences();
 		//global
 		String[] files= prefs.getCustomPropertyFiles();
 		for (int i = 0; i < files.length; i++) {
 			String path = files[i];
 			commandLine.append(" -propertyfile "); //$NON-NLS-1$
 			commandLine.append(path);
 		}
 		//"local" configuration
 		if (propertyFiles != null) {
 			for (int i = 0; i < propertyFiles.length; i++) {
 				String path = propertyFiles[i];
 				commandLine.append(" -propertyfile "); //$NON-NLS-1$
 				commandLine.append(path);
 			}
 		}
 		//"local" configuration
 		if (userProperties != null) {
 			Iterator keys = userProperties.keySet().iterator();
 			String key;
 			while (keys.hasNext()) {
 				key= (String)keys.next();
 				appendProperty(commandLine, key, (String)userProperties.get(key));
 			}
 		}

 		//global
 		Property[] properties= prefs.getCustomProperties();
 		String key;
 		for (int i = 0; i < properties.length; i++) {
 			Property property = properties[i];
 			key= property.getName();
 			if (userProperties == null || userProperties.get(key) == null) {
 				appendProperty(commandLine, key, property.getValue());
 			}
 		}

 		if (antHome != null) {
 			commandLine.append(" -Dant.home=");
 			commandLine.append(antHome);
 		}

 		if (!separateVM) {
 			commandLine.append(" -inputhandler "); //$NON-NLS-1$
 			commandLine.append(INPUT_HANDLER_CLASS);

 			commandLine.append(" -logger "); //$NON-NLS-1$
 			commandLine.append(ANT_LOGGER_CLASS);
 		}
 		commandLine.append(" -buildfile \""); //$NON-NLS-1$
 		commandLine.append(location.toOSString() + "\"");

 		if (targets != null) {
 			for (int i = 0; i < targets.length; i++) {
 				commandLine.append(" "); //$NON-NLS-1$
 				commandLine.append(targets[i]);
 			}
 		}
 		return commandLine;
 	}

 	private void appendProperty(StringBuffer commandLine, String name, String value){
 		commandLine.append(" -D"); //$NON-NLS-1$
 		commandLine.append(name);
 		commandLine.append('=');
 		commandLine.append(value);
 	}

 	private void runInSeparateVM(ILaunchConfiguration configuration, ILaunch launch, IProgressMonitor monitor, String idStamp, StringBuffer commandLine) throws CoreException {
 		ILaunchConfigurationWorkingCopy copy= configuration.getWorkingCopy();
 		copy.setAttribute(IJavaLaunchConfigurationConstants.ATTR_PROGRAM_ARGUMENTS, commandLine.toString());
 		JavaLocalApplicationLaunchConfigurationDelegate delegate= new JavaLocalApplicationLaunchConfigurationDelegate();
 		delegate.launch(copy, ILaunchManager.RUN_MODE, launch, monitor);
 		IProcess[] processes= launch.getProcesses();
 		for (int i = 0; i < processes.length; i++) {
 			IProcess process = processes[i];
 			setProcessAttributes(process, idStamp, null);
 		}
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2003 IBM Corporation and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Common Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/cpl-v10.html
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.ant.ui.internal.launchConfigurations;


	import java.net.URL;
	import java.text.MessageFormat;
	import java.util.HashMap;
	import java.util.Iterator;
	import java.util.Map;

	import org.eclipse.ant.core.AntCorePlugin;
	import org.eclipse.ant.core.AntCorePreferences;
	import org.eclipse.ant.core.AntRunner;
	import org.eclipse.ant.core.Property;
	import org.eclipse.ant.ui.internal.model.AntUIPlugin;
	import org.eclipse.ant.ui.internal.model.AntUtil;
	import org.eclipse.ant.ui.internal.model.IAntUIConstants;
	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.IPath;
	import org.eclipse.core.runtime.IProgressMonitor;
	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.core.runtime.Status;
	import org.eclipse.debug.core.ILaunch;
	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.core.model.IProcess;
	import org.eclipse.jdt.internal.launching.JavaLocalApplicationLaunchConfigurationDelegate;
	import org.eclipse.jdt.launching.IJavaLaunchConfigurationConstants;
	import org.eclipse.jface.dialogs.ErrorDialog;
	import org.eclipse.ui.externaltools.internal.launchConfigurations.ExternalToolsUtil;
	import org.eclipse.ui.externaltools.internal.program.launchConfigurations.BackgroundResourceRefresher;
	import org.eclipse.ui.externaltools.internal.variable.ExpandVariableContext;

	/**
	* Launch delegate for ant builds
	*/
	public class AntLaunchDelegate implements ILaunchConfigurationDelegate {

	private static final String ANT_LOGGER_CLASS = "org.eclipse.ant.ui.internal.antsupport.logger.AntProcessBuildLogger"; //$NON-NLS-1$
	private static final String NULL_LOGGER_CLASS = "org.eclipse.ant.ui.internal.antsupport.logger.NullBuildLogger"; //$NON-NLS-1$
	private static final String BASE_DIR_PREFIX = "-Dbasedir="; //$NON-NLS-1$
	private static final String INPUT_HANDLER_CLASS = "org.eclipse.ant.ui.internal.antsupport.inputhandler.AntInputHandler"; //$NON-NLS-1$

	/**
	* @see org.eclipse.debug.core.model.ILaunchConfigurationDelegate#launch(org.eclipse.debug.core.ILaunchConfiguration, java.lang.String, org.eclipse.debug.core.ILaunch, org.eclipse.core.runtime.IProgressMonitor)
	*/
	public void launch(ILaunchConfiguration configuration, String mode, ILaunch launch, IProgressMonitor monitor) throws CoreException {
	if (monitor.isCanceled()) {
	return;
	}

	String vmTypeID= null;
	try {
	vmTypeID = configuration.getAttribute(IJavaLaunchConfigurationConstants.ATTR_VM_INSTALL_TYPE, (String)null);
	} catch (CoreException ce) {
	AntUIPlugin.log(ce);
	}

	if (ExternalToolsUtil.isBackground(configuration)) {
	monitor.beginTask(MessageFormat.format(AntLaunchConfigurationMessages.getString("AntLaunchDelegate.Launching_{0}_1"), new String[] {configuration.getName()}), 10); //$NON-NLS-1$
	} else {
	monitor.beginTask(MessageFormat.format(AntLaunchConfigurationMessages.getString("AntLaunchDelegate.Running_{0}_2"), new String[] {configuration.getName()}), 100); //$NON-NLS-1$
	}

	// get variable context
	ExpandVariableContext resourceContext = ExternalToolsUtil.getVariableContext();
	monitor.worked(1);

	if (monitor.isCanceled()) {
	return;
	}

	// resolve location
	IPath location = ExternalToolsUtil.getLocation(configuration, resourceContext);
	monitor.worked(1);

	if (monitor.isCanceled()) {
	return;
	}

	if (vmTypeID == null && AntRunner.isBuildRunning()) {
	IStatus status= new Status(IStatus.ERROR, IAntUIConstants.PLUGIN_ID, 1, MessageFormat.format(AntLaunchConfigurationMessages.getString("AntLaunchDelegate.Build_In_Progress"), new String[]{location.toOSString()}), null); //$NON-NLS-1$
	throw new CoreException(status);
	}

	// resolve working directory
	IPath workingDirectory = ExternalToolsUtil.getWorkingDirectory(configuration, resourceContext);
	String baseDir = null;
	if (workingDirectory != null) {
	baseDir = workingDirectory.toOSString();
	}
	monitor.worked(1);

	if (monitor.isCanceled()) {
	return;
	}

	// link the process to its build logger via a timestamp
	long timeStamp = System.currentTimeMillis();
	String idStamp = Long.toString(timeStamp);
	String idProperty = "-D" + AntProcess.ATTR_ANT_PROCESS_ID + "=" + idStamp; //$NON-NLS-1$ //$NON-NLS-2$

	// resolve arguments
	String[] arguments = ExternalToolsUtil.getArguments(configuration, resourceContext);
	int argLength = 1; // at least one user property - timestamp
	if (arguments != null) {
	argLength += arguments.length;
	}
	if (baseDir != null && baseDir.length() > 0) {
	argLength++;
	}
	String[] runnerArgs = new String[argLength];
	if (arguments != null) {
	System.arraycopy(arguments, 0, runnerArgs, 0, arguments.length);
	}
	if (baseDir != null && baseDir.length() > 0) {
	runnerArgs[runnerArgs.length - 2] = BASE_DIR_PREFIX + baseDir;
	}
	runnerArgs[runnerArgs.length -1] = idProperty;

	Map userProperties= AntUtil.getProperties(configuration);
	String[] propertyFiles= AntUtil.getPropertyFiles(configuration);
	String[] targets = AntUtil.getTargetsFromConfig(configuration);
	URL[] customClasspath= AntUtil.getCustomClasspath(configuration);
	String antHome= AntUtil.getAntHome(configuration);

	AntRunner runner= null;
	if (vmTypeID == null) {
	runner= new AntRunner();
	runner.setBuildFileLocation(location.toOSString());
	if (ExternalToolsUtil.getCaptureOutput(configuration)) {
	runner.addBuildLogger(ANT_LOGGER_CLASS);
	} else {
	runner.addBuildLogger(NULL_LOGGER_CLASS);
	}
	runner.setInputHandler(INPUT_HANDLER_CLASS);
	runner.setArguments(runnerArgs);
	if (userProperties != null) {
	runner.addUserProperties(userProperties);
	}

	if (propertyFiles != null) {
	runner.setPropertyFiles(propertyFiles);
	}

	if (targets != null) {
	runner.setExecutionTargets(targets);
	}

	if (customClasspath != null) {
	runner.setCustomClasspath(customClasspath);
	}

	if (antHome != null) {
	runner.setAntHome(antHome);
	}
	}

	monitor.worked(1);

	if (monitor.isCanceled()) {
	return;
	}
	StringBuffer commandLine= generateCommandLine(location, arguments, userProperties, propertyFiles, targets, antHome, vmTypeID != null);
	if (vmTypeID != null) {
	monitor.beginTask(MessageFormat.format(AntLaunchConfigurationMessages.getString("AntLaunchDelegate.Launching_{0}_1"), new String[] {configuration.getName()}), 10); //$NON-NLS-1$
	runInSeparateVM(configuration, launch, monitor, idStamp, commandLine);
	return;
	}
	Map attributes= new HashMap();
	attributes.put(IProcess.ATTR_PROCESS_TYPE, IAntUIConstants.ID_ANT_PROCESS_TYPE);
	attributes.put(AntProcess.ATTR_ANT_PROCESS_ID, idStamp);

	final AntProcess process = new AntProcess(location.toOSString(), launch, attributes);
	setProcessAttributes(process, idStamp, commandLine);

	if (ExternalToolsUtil.isBackground(configuration)) {
	final AntRunner finalRunner= runner;
	Runnable r = new Runnable() {
	public void run() {
	try {
	finalRunner.run(process);
	} catch (final CoreException e) {
	AntUIPlugin.getStandardDisplay().asyncExec(new Runnable() {
	public void run() {
	ErrorDialog.openError(null, AntLaunchConfigurationMessages.getString("AntLaunchDelegate.Failure"), null, e.getStatus()); //$NON-NLS-1$
	}
	});
	}
	process.terminated();
	}
	};
	Thread background = new Thread(r);
	background.start();
	monitor.worked(1);
	// refresh resources after process finishes
	if (ExternalToolsUtil.getRefreshScope(configuration) != null) {
	BackgroundResourceRefresher refresher = new BackgroundResourceRefresher(configuration, process, resourceContext);
	refresher.startBackgroundRefresh();
	}
	} else {
	// execute the build
	try {
	runner.run(monitor);
	} catch (CoreException e) {
	process.terminated();
	throw e;
	}
	process.terminated();

	// refresh resources
	ExternalToolsUtil.refreshResources(configuration, resourceContext, monitor);
	}

	monitor.done();
	}

	private void setProcessAttributes(IProcess process, String idStamp, StringBuffer commandLine) {
	// link the process to its build logger via a timestamp
	process.setAttribute(IProcess.ATTR_PROCESS_TYPE, IAntUIConstants.ID_ANT_PROCESS_TYPE);
	process.setAttribute(AntProcess.ATTR_ANT_PROCESS_ID, idStamp);

	// create "fake" command line for the process
	if (commandLine != null) {
	process.setAttribute(IProcess.ATTR_CMDLINE, commandLine.toString());
	}
	}

	private StringBuffer generateCommandLine(IPath location, String[] arguments, Map userProperties, String[] propertyFiles, String[] targets, String antHome, boolean separateVM) {
	StringBuffer commandLine= new StringBuffer();

	if (!separateVM) {
	commandLine.append("ant"); //$NON-NLS-1$
	}

	if (arguments != null) {
	for (int i = 0; i < arguments.length; i++) {
	String arg = arguments[i];
	commandLine.append(' ');
	commandLine.append(arg);
	}
	}

	AntCorePreferences prefs= AntCorePlugin.getPlugin().getPreferences();
	//global
	String[] files= prefs.getCustomPropertyFiles();
	for (int i = 0; i < files.length; i++) {
	String path = files[i];
	commandLine.append(" -propertyfile "); //$NON-NLS-1$
	commandLine.append(path);
	}
	//"local" configuration
	if (propertyFiles != null) {
	for (int i = 0; i < propertyFiles.length; i++) {
	String path = propertyFiles[i];
	commandLine.append(" -propertyfile "); //$NON-NLS-1$
	commandLine.append(path);
	}
	}
	//"local" configuration
	if (userProperties != null) {
	Iterator keys = userProperties.keySet().iterator();
	String key;
	while (keys.hasNext()) {
	key= (String)keys.next();
	appendProperty(commandLine, key, (String)userProperties.get(key));
	}
	}

	//global
	Property[] properties= prefs.getCustomProperties();
	String key;
	for (int i = 0; i < properties.length; i++) {
	Property property = properties[i];
	key= property.getName();
	if (userProperties == null \|\| userProperties.get(key) == null) {
	appendProperty(commandLine, key, property.getValue());
	}
	}

	if (antHome != null) {
	commandLine.append(" -Dant.home=");
	commandLine.append(antHome);
	}

	if (!separateVM) {
	commandLine.append(" -inputhandler "); //$NON-NLS-1$
	commandLine.append(INPUT_HANDLER_CLASS);

	commandLine.append(" -logger "); //$NON-NLS-1$
	commandLine.append(ANT_LOGGER_CLASS);
	}
	commandLine.append(" -buildfile \""); //$NON-NLS-1$
	commandLine.append(location.toOSString() + "\"");

	if (targets != null) {
	for (int i = 0; i < targets.length; i++) {
	commandLine.append(" "); //$NON-NLS-1$
	commandLine.append(targets[i]);
	}
	}
	return commandLine;
	}

	private void appendProperty(StringBuffer commandLine, String name, String value){
	commandLine.append(" -D"); //$NON-NLS-1$
	commandLine.append(name);
	commandLine.append('=');
	commandLine.append(value);
	}

	private void runInSeparateVM(ILaunchConfiguration configuration, ILaunch launch, IProgressMonitor monitor, String idStamp, StringBuffer commandLine) throws CoreException {
	ILaunchConfigurationWorkingCopy copy= configuration.getWorkingCopy();
	copy.setAttribute(IJavaLaunchConfigurationConstants.ATTR_PROGRAM_ARGUMENTS, commandLine.toString());
	JavaLocalApplicationLaunchConfigurationDelegate delegate= new JavaLocalApplicationLaunchConfigurationDelegate();
	delegate.launch(copy, ILaunchManager.RUN_MODE, launch, monitor);
	IProcess[] processes= launch.getProcesses();
	for (int i = 0; i < processes.length; i++) {
	IProcess process = processes[i];
	setProcessAttributes(process, idStamp, null);
	}
	}
	}