ant/org.eclipse.ant.launching/src/org/eclipse/ant/internal/launching/AntLaunchingUtil.java - platform/eclipse.platform - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2016 IBM Corporation and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
  * which accompanies this distribution, and is available at
  * https://www.eclipse.org/legal/epl-2.0/
  *
  * SPDX-License-Identifier: EPL-2.0
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.ant.internal.launching;

 import java.io.File;
 import java.net.MalformedURLException;
 import java.net.URI;
 import java.net.URL;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 import java.util.StringTokenizer;

 import org.apache.tools.ant.BuildException;
 import org.apache.tools.ant.util.FileUtils;
 import org.eclipse.ant.internal.core.IAntCoreConstants;
 import org.eclipse.ant.internal.launching.launchConfigurations.AntHomeClasspathEntry;
 import org.eclipse.ant.internal.launching.launchConfigurations.AntProcess;
 import org.eclipse.ant.internal.launching.launchConfigurations.RemoteAntRuntimeProcess;
 import org.eclipse.ant.launching.IAntLaunchConstants;
 import org.eclipse.core.externaltools.internal.IExternalToolConstants;
 import org.eclipse.core.externaltools.internal.model.ExternalToolBuilder;
 import org.eclipse.core.resources.IFile;
 import org.eclipse.core.resources.IWorkspaceRoot;
 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.Path;
 import org.eclipse.core.runtime.Status;
 import org.eclipse.core.variables.VariablesPlugin;
 import org.eclipse.debug.core.ILaunch;
 import org.eclipse.debug.core.ILaunchConfiguration;
 import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
 import org.eclipse.debug.core.model.IProcess;
 import org.eclipse.jdt.launching.IJavaLaunchConfigurationConstants;
 import org.eclipse.jdt.launching.IRuntimeClasspathEntry;
 import org.eclipse.jdt.launching.IRuntimeClasspathEntry2;
 import org.eclipse.jdt.launching.JavaRuntime;

 import com.ibm.icu.text.MessageFormat;

 /**
  * General utility class dealing with Ant build files
  */
 public final class AntLaunchingUtil {
 	public static final String ATTRIBUTE_SEPARATOR = ","; //$NON-NLS-1$;
 	public static final char ANT_CLASSPATH_DELIMITER = '*';
 	public static final String ANT_HOME_CLASSPATH_PLACEHOLDER = "G"; //$NON-NLS-1$
 	public static final String ANT_GLOBAL_USER_CLASSPATH_PLACEHOLDER = "UG"; //$NON-NLS-1$

 	/**
 	 * No instances allowed
 	 */
 	private AntLaunchingUtil() {
 		super();
 	}

 	/**
 	 * Returns a single-string of the strings for storage.
 	 *
 	 * @param strings
 	 *            the array of strings
 	 * @return a single-string representation of the strings or <code>null</code> if the array is empty.
 	 */
 	public static String combineStrings(String[] strings) {
 		if (strings.length == 0)
 			return null;

 		if (strings.length == 1)
 			return strings[0];

 		StringBuffer buf = new StringBuffer();
 		for (int i = 0; i < strings.length - 1; i++) {
 			buf.append(strings[i]);
 			buf.append(ATTRIBUTE_SEPARATOR);
 		}
 		buf.append(strings[strings.length - 1]);
 		return buf.toString();
 	}

 	/**
 	 * Returns an array of targets to be run, or <code>null</code> if none are specified (indicating the default target or implicit target should be
 	 * run).
 	 *
 	 * @param configuration
 	 *            launch configuration
 	 * @return array of target names, or <code>null</code>
 	 * @throws CoreException
 	 *             if unable to access the associated attribute
 	 */
 	public static String[] getTargetNames(ILaunchConfiguration configuration) throws CoreException {
 		String attribute = null;
 		if (IAntLaunchConstants.ID_ANT_BUILDER_LAUNCH_CONFIGURATION_TYPE.equals(configuration.getType().getIdentifier())) {
 			attribute = getTargetNamesForAntBuilder(configuration);
 		}
 		if (attribute == null) {
 			attribute = configuration.getAttribute(IAntLaunchConstants.ATTR_ANT_TARGETS, (String) null);
 			if (attribute == null) {
 				return null;
 			}
 		}

 		return AntLaunchingUtil.parseRunTargets(attribute);
 	}

 	private static String getTargetNamesForAntBuilder(ILaunchConfiguration configuration) throws CoreException {
 		String buildType = ExternalToolBuilder.getBuildType();
 		String targets = null;
 		if (IExternalToolConstants.BUILD_TYPE_AUTO.equals(buildType)) {
 			targets = configuration.getAttribute(IAntLaunchConstants.ATTR_ANT_AUTO_TARGETS, (String) null);
 		} else if (IExternalToolConstants.BUILD_TYPE_CLEAN.equals(buildType)) {
 			targets = configuration.getAttribute(IAntLaunchConstants.ATTR_ANT_CLEAN_TARGETS, (String) null);
 		} else if (IExternalToolConstants.BUILD_TYPE_FULL.equals(buildType)) {
 			targets = configuration.getAttribute(IAntLaunchConstants.ATTR_ANT_AFTER_CLEAN_TARGETS, (String) null);
 		} else if (IExternalToolConstants.BUILD_TYPE_INCREMENTAL.equals(buildType)) {
 			targets = configuration.getAttribute(IAntLaunchConstants.ATTR_ANT_MANUAL_TARGETS, (String) null);
 		}

 		return targets;
 	}

 	/**
 	 * Returns a map of properties to be defined for the build, or <code>null</code> if none are specified (indicating no additional properties
 	 * specified for the build).
 	 *
 	 * @param configuration
 	 *            launch configuration
 	 * @return map of properties (name --> value), or <code>null</code>
 	 * @throws CoreException
 	 *             if unable to access the associated attribute
 	 */
 	public static Map<String, String> getProperties(ILaunchConfiguration configuration) throws CoreException {
 		// TODO PLATFORM DEBUG 1.5 API
 		Map<String, String> map = configuration.getAttribute(IAntLaunchConstants.ATTR_ANT_PROPERTIES, (Map<String, String>) null);
 		return map;
 	}

 	/**
 	 * Returns a String specifying the Ant home to use for the build.
 	 *
 	 * @param configuration
 	 *            launch configuration
 	 * @return String specifying Ant home to use or <code>null</code>
 	 * @throws CoreException
 	 *             if unable to access the associated attribute
 	 */
 	public static String getAntHome(ILaunchConfiguration configuration) throws CoreException {
 		IRuntimeClasspathEntry[] entries = JavaRuntime.computeUnresolvedRuntimeClasspath(configuration);
 		for (int i = 0; i < entries.length; i++) {
 			IRuntimeClasspathEntry entry = entries[i];
 			if (entry.getType() == IRuntimeClasspathEntry.OTHER) {
 				IRuntimeClasspathEntry2 entry2 = (IRuntimeClasspathEntry2) entry;
 				if (entry2.getTypeId().equals(AntHomeClasspathEntry.TYPE_ID)) {
 					return ((AntHomeClasspathEntry) entry2).getAntHome();
 				}
 			}
 		}
 		return null;
 	}

 	/**
 	 * Returns an array of property files to be used for the build, or <code>null</code> if none are specified (indicating no additional property
 	 * files specified for the build).
 	 *
 	 * @param configuration
 	 *            launch configuration
 	 * @return array of property file names, or <code>null</code>
 	 * @throws CoreException
 	 *             if unable to access the associated attribute
 	 */
 	public static String[] getPropertyFiles(ILaunchConfiguration configuration) throws CoreException {
 		String attribute = configuration.getAttribute(IAntLaunchConstants.ATTR_ANT_PROPERTY_FILES, (String) null);
 		if (attribute == null) {
 			return null;
 		}
 		String[] propertyFiles = AntLaunchingUtil.parseString(attribute, ","); //$NON-NLS-1$
 		for (int i = 0; i < propertyFiles.length; i++) {
 			String propertyFile = propertyFiles[i];
 			propertyFile = expandVariableString(propertyFile, AntCoreModelMessages.AntUtil_6);
 			propertyFiles[i] = propertyFile;
 		}
 		return propertyFiles;
 	}

 	/**
 	 * Returns the list of URLs that define the custom classpath for the Ant build, or <code>null</code> if the global classpath is to be used.
 	 *
 	 * @param config
 	 *            launch configuration
 	 * @return a list of <code>URL</code>
 	 *
 	 * @throws CoreException
 	 *             if file does not exist, IO problems, or invalid format.
 	 */
 	public static URL[] getCustomClasspath(ILaunchConfiguration config) throws CoreException {
 		boolean useDefault = config.getAttribute(IJavaLaunchConfigurationConstants.ATTR_DEFAULT_CLASSPATH, true);
 		if (useDefault) {
 			return null;
 		}
 		IRuntimeClasspathEntry[] unresolved = JavaRuntime.computeUnresolvedRuntimeClasspath(config);
 		// don't consider bootpath entries
 		List<IRuntimeClasspathEntry> userEntries = new ArrayList<>(unresolved.length);
 		for (int i = 0; i < unresolved.length; i++) {
 			IRuntimeClasspathEntry entry = unresolved[i];
 			if (entry.getClasspathProperty() == IRuntimeClasspathEntry.USER_CLASSES) {
 				userEntries.add(entry);
 			}
 		}
 		IRuntimeClasspathEntry[] entries = JavaRuntime.resolveRuntimeClasspath(userEntries.toArray(new IRuntimeClasspathEntry[userEntries.size()]), config);
 		URL[] urls = new URL[entries.length];
 		for (int i = 0; i < entries.length; i++) {
 			IRuntimeClasspathEntry entry = entries[i];
 			try {
 				urls[i] = new URL(IAntCoreConstants.FILE_PROTOCOL + entry.getLocation());
 			}
 			catch (MalformedURLException e) {
 				throw new CoreException(new Status(IStatus.ERROR, AntLaunching.getUniqueIdentifier(), AntLaunching.INTERNAL_ERROR, AntCoreModelMessages.AntUtil_7, e));
 			}
 		}
 		return urls;
 	}

 	private static String expandVariableString(String variableString, String invalidMessage) throws CoreException {
 		String expandedString = VariablesPlugin.getDefault().getStringVariableManager().performStringSubstitution(variableString);
 		if (expandedString == null || expandedString.length() == 0) {
 			String msg = MessageFormat.format(invalidMessage, new Object[] { variableString });
 			throw new CoreException(new Status(IStatus.ERROR, AntLaunching.PLUGIN_ID, 0, msg, null));
 		}
 		return expandedString;
 	}

 	/**
 	 * Returns the list of target names to run
 	 *
 	 * @param extraAttibuteValue
 	 *            the external tool's extra attribute value for the run targets key.
 	 * @return a list of target names
 	 */
 	public static String[] parseRunTargets(String extraAttibuteValue) {
 		return parseString(extraAttibuteValue, ATTRIBUTE_SEPARATOR);
 	}

 	/**
 	 * Returns the list of Strings that were delimiter separated.
 	 *
 	 * @param delimString
 	 *            the String to be tokenized based on the delimiter
 	 * @return a list of Strings
 	 */
 	public static String[] parseString(String delimString, String delim) {
 		if (delimString == null) {
 			return new String[0];
 		}

 		// Need to handle case where separator character is
 		// actually part of the target name!
 		StringTokenizer tokenizer = new StringTokenizer(delimString, delim);
 		String[] results = new String[tokenizer.countTokens()];
 		for (int i = 0; i < results.length; i++) {
 			results[i] = tokenizer.nextToken().trim();
 		}

 		return results;
 	}

 	/**
 	 * Returns an IFile with the given fully qualified path (relative to the workspace root). The returned IFile may or may not exist.
 	 */
 	public static IFile getFile(String fullPath) {
 		IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
 		return root.getFile(new Path(fullPath));
 	}

 	/**
 	 * Returns the workspace file associated with the given path in the local file system, or <code>null</code> if none. If the path happens to be a
 	 * relative path, then the path is interpreted as relative to the specified parent file.
 	 *
 	 * Attempts to handle linked files; the first found linked file with the correct path is returned.
 	 *
 	 * @param path
 	 * @param buildFileParent
 	 * @return file or <code>null</code>
 	 * @see org.eclipse.core.resources.IWorkspaceRoot#findFilesForLocation(IPath)
 	 */
 	public static IFile getFileForLocation(String path, File buildFileParent) {
 		if (path == null) {
 			return null;
 		}
 		IPath filePath = new Path(path);
 		IFile file = null;
 		URI location = filePath.makeAbsolute().toFile().toURI();
 		IFile[] files = ResourcesPlugin.getWorkspace().getRoot().findFilesForLocationURI(location);
 		if (files.length > 0) {
 			file = files[0];
 		}
 		if (file == null) {
 			// relative path
 			File relativeFile = null;
 			try {
 				// this call is ok if buildFileParent is null
 				relativeFile = FileUtils.getFileUtils().resolveFile(buildFileParent, path);
 				filePath = new Path(relativeFile.getAbsolutePath());
 				location = filePath.makeAbsolute().toFile().toURI();
 				files = ResourcesPlugin.getWorkspace().getRoot().findFilesForLocationURI(location);
 				if (files.length > 0) {
 					file = files[0];
 				} else {
 					return null;
 				}
 			}
 			catch (BuildException be) {
 				return null;
 			}
 		}

 		if (file.exists()) {
 			return file;
 		}
 		File ioFile = file.getLocation().toFile();
 		if (ioFile.exists()) {// needs to handle case insensitivity on WINOS
 			files = ResourcesPlugin.getWorkspace().getRoot().findFilesForLocationURI(ioFile.toURI());
 			if (files.length > 0) {
 				return files[0];
 			}
 		}

 		return null;
 	}

 	/**
 	 * Migrates the classpath in the given configuration from the old format to the new format. The old format is not preserved. Instead, the default
 	 * classpath will be used. However, ANT_HOME settings are preserved.
 	 *
 	 * @param configuration
 	 *            a configuration to migrate
 	 * @throws CoreException
 	 *             if unable to migrate
 	 * @since 3.0
 	 */
 	@SuppressWarnings({ "restriction", "deprecation" })
 	public static void migrateToNewClasspathFormat(ILaunchConfiguration configuration) throws CoreException {
 		String oldClasspath = configuration.getAttribute(AntLaunching.ATTR_ANT_CUSTOM_CLASSPATH, (String) null);
 		String oldAntHome = configuration.getAttribute(AntLaunching.ATTR_ANT_HOME, (String) null);
 		String provider = configuration.getAttribute(IJavaLaunchConfigurationConstants.ATTR_CLASSPATH_PROVIDER, (String) null);
 		if (oldClasspath != null || oldAntHome != null || provider == null) {
 			ILaunchConfigurationWorkingCopy workingCopy = null;
 			if (configuration.isWorkingCopy()) {
 				workingCopy = (ILaunchConfigurationWorkingCopy) configuration;
 			} else {
 				workingCopy = configuration.getWorkingCopy();
 			}
 			workingCopy.setAttribute(AntLaunching.ATTR_ANT_CUSTOM_CLASSPATH, (String) null);
 			workingCopy.setAttribute(AntLaunching.ATTR_ANT_HOME, (String) null);
 			workingCopy.setAttribute(IJavaLaunchConfigurationConstants.ATTR_CLASSPATH_PROVIDER, "org.eclipse.ant.ui.AntClasspathProvider"); //$NON-NLS-1$
 			workingCopy.setAttribute(IJavaLaunchConfigurationConstants.ATTR_DEFAULT_CLASSPATH, true);
 			if (oldAntHome != null) {
 				IRuntimeClasspathEntry[] entries = JavaRuntime.computeUnresolvedRuntimeClasspath(workingCopy);
 				List<String> mementos = new ArrayList<>(entries.length);
 				for (int i = 0; i < entries.length; i++) {
 					IRuntimeClasspathEntry entry = entries[i];
 					if (entry.getType() == IRuntimeClasspathEntry.OTHER) {
 						IRuntimeClasspathEntry2 entry2 = (IRuntimeClasspathEntry2) entry;
 						if (entry2.getTypeId().equals(AntHomeClasspathEntry.TYPE_ID)) {
 							AntHomeClasspathEntry homeEntry = new AntHomeClasspathEntry(oldAntHome);
 							mementos.add(homeEntry.getMemento());
 							continue;
 						}
 					}
 					mementos.add(entry.getMemento());
 				}
 				workingCopy.setAttribute(IJavaLaunchConfigurationConstants.ATTR_DEFAULT_CLASSPATH, false);
 				workingCopy.setAttribute(IJavaLaunchConfigurationConstants.ATTR_CLASSPATH, mementos);
 			}
 			workingCopy.doSave();
 		}
 	}

 	public static boolean isSeparateJREAntBuild(ILaunchConfiguration configuration) {
 		boolean separateJRE = true;
 		try {
 			// always null for same JRE
 			separateJRE = configuration.getAttribute(IJavaLaunchConfigurationConstants.ATTR_MAIN_TYPE_NAME, (String) null) != null;
 		}
 		catch (CoreException e) {
 			AntLaunching.log(AntCoreModelMessages.AntUtil_2, e);
 		}

 		return separateJRE;
 	}

 	public static void linkBuildFailedMessage(String message, IProcess process) {
 		String fileName = null;
 		String lineNumber = ""; //$NON-NLS-1$
 		int fileStart = 0;
 		int index = message.indexOf("xml"); //$NON-NLS-1$
 		if (index > 0) {
 			int numberStart = index + 4;
 			int numberEnd = message.indexOf(':', numberStart);
 			int fileEnd = index + 3;
 			if (numberStart > 0 && fileEnd > 0) {
 				fileName = message.substring(fileStart, fileEnd).trim();
 				if (numberEnd > 0) {
 					lineNumber = message.substring(numberStart, numberEnd).trim();
 				}
 			}
 		}

 		if (fileName != null) {
 			int num = -1;
 			try {
 				num = Integer.parseInt(lineNumber);
 			}
 			catch (NumberFormatException e) {
 				// do nothing
 			}
 			URI location = new Path(fileName).makeAbsolute().toFile().toURI();
 			IFile[] files = ResourcesPlugin.getWorkspace().getRoot().findFilesForLocationURI(location);
 			IFile file = null;
 			if (files.length > 0) {
 				file = files[0];
 			}
 			if (file != null && file.exists()) {
 				if (process != null) {
 					ILaunch launch = null;
 					if (process instanceof RemoteAntRuntimeProcess) {
 						launch = ((RemoteAntRuntimeProcess) process).getLaunch();
 					} else if (process instanceof AntProcess) {
 						launch = ((AntProcess) process).getLaunch();
 					}
 					if (launch != null) {
 						((AntLaunch) launch).addLinkDescriptor(message, fileName, num, 0, message.length());
 					}
 				}
 			}
 		}
 	}

 	/**
 	 * Returns whether the given configuration should be launched in the background. When unspecified, the default value for an Ant launch
 	 * configuration is <code>true</code>.
 	 *
 	 * @param configuration
 	 *            the configuration
 	 * @return whether the configuration is configured to launch in the background
 	 */
 	public static boolean isLaunchInBackground(ILaunchConfiguration configuration) {
 		boolean launchInBackground = true;
 		try {
 			launchInBackground = configuration.getAttribute(IExternalToolConstants.ATTR_LAUNCH_IN_BACKGROUND, true);
 		}
 		catch (CoreException ce) {
 			AntLaunching.log(ce);
 		}
 		return launchInBackground;
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2016 IBM Corporation and others.
	*
	* This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License 2.0
	* which accompanies this distribution, and is available at
	* https://www.eclipse.org/legal/epl-2.0/
	*
	* SPDX-License-Identifier: EPL-2.0
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.ant.internal.launching;

	import java.io.File;
	import java.net.MalformedURLException;
	import java.net.URI;
	import java.net.URL;
	import java.util.ArrayList;
	import java.util.List;
	import java.util.Map;
	import java.util.StringTokenizer;

	import org.apache.tools.ant.BuildException;
	import org.apache.tools.ant.util.FileUtils;
	import org.eclipse.ant.internal.core.IAntCoreConstants;
	import org.eclipse.ant.internal.launching.launchConfigurations.AntHomeClasspathEntry;
	import org.eclipse.ant.internal.launching.launchConfigurations.AntProcess;
	import org.eclipse.ant.internal.launching.launchConfigurations.RemoteAntRuntimeProcess;
	import org.eclipse.ant.launching.IAntLaunchConstants;
	import org.eclipse.core.externaltools.internal.IExternalToolConstants;
	import org.eclipse.core.externaltools.internal.model.ExternalToolBuilder;
	import org.eclipse.core.resources.IFile;
	import org.eclipse.core.resources.IWorkspaceRoot;
	import org.eclipse.core.resources.ResourcesPlugin;
	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.IPath;
	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.core.runtime.Path;
	import org.eclipse.core.runtime.Status;
	import org.eclipse.core.variables.VariablesPlugin;
	import org.eclipse.debug.core.ILaunch;
	import org.eclipse.debug.core.ILaunchConfiguration;
	import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
	import org.eclipse.debug.core.model.IProcess;
	import org.eclipse.jdt.launching.IJavaLaunchConfigurationConstants;
	import org.eclipse.jdt.launching.IRuntimeClasspathEntry;
	import org.eclipse.jdt.launching.IRuntimeClasspathEntry2;
	import org.eclipse.jdt.launching.JavaRuntime;

	import com.ibm.icu.text.MessageFormat;

	/**
	* General utility class dealing with Ant build files
	*/
	public final class AntLaunchingUtil {
	public static final String ATTRIBUTE_SEPARATOR = ","; //$NON-NLS-1$;
	public static final char ANT_CLASSPATH_DELIMITER = '*';
	public static final String ANT_HOME_CLASSPATH_PLACEHOLDER = "G"; //$NON-NLS-1$
	public static final String ANT_GLOBAL_USER_CLASSPATH_PLACEHOLDER = "UG"; //$NON-NLS-1$

	/**
	* No instances allowed
	*/
	private AntLaunchingUtil() {
	super();
	}

	/**
	* Returns a single-string of the strings for storage.
	*
	* @param strings
	* the array of strings
	* @return a single-string representation of the strings or <code>null</code> if the array is empty.
	*/
	public static String combineStrings(String[] strings) {
	if (strings.length == 0)
	return null;

	if (strings.length == 1)
	return strings[0];

	StringBuffer buf = new StringBuffer();
	for (int i = 0; i < strings.length - 1; i++) {
	buf.append(strings[i]);
	buf.append(ATTRIBUTE_SEPARATOR);
	}
	buf.append(strings[strings.length - 1]);
	return buf.toString();
	}

	/**
	* Returns an array of targets to be run, or <code>null</code> if none are specified (indicating the default target or implicit target should be
	* run).
	*
	* @param configuration
	* launch configuration
	* @return array of target names, or <code>null</code>
	* @throws CoreException
	* if unable to access the associated attribute
	*/
	public static String[] getTargetNames(ILaunchConfiguration configuration) throws CoreException {
	String attribute = null;
	if (IAntLaunchConstants.ID_ANT_BUILDER_LAUNCH_CONFIGURATION_TYPE.equals(configuration.getType().getIdentifier())) {
	attribute = getTargetNamesForAntBuilder(configuration);
	}
	if (attribute == null) {
	attribute = configuration.getAttribute(IAntLaunchConstants.ATTR_ANT_TARGETS, (String) null);
	if (attribute == null) {
	return null;
	}
	}

	return AntLaunchingUtil.parseRunTargets(attribute);
	}

	private static String getTargetNamesForAntBuilder(ILaunchConfiguration configuration) throws CoreException {
	String buildType = ExternalToolBuilder.getBuildType();
	String targets = null;
	if (IExternalToolConstants.BUILD_TYPE_AUTO.equals(buildType)) {
	targets = configuration.getAttribute(IAntLaunchConstants.ATTR_ANT_AUTO_TARGETS, (String) null);
	} else if (IExternalToolConstants.BUILD_TYPE_CLEAN.equals(buildType)) {
	targets = configuration.getAttribute(IAntLaunchConstants.ATTR_ANT_CLEAN_TARGETS, (String) null);
	} else if (IExternalToolConstants.BUILD_TYPE_FULL.equals(buildType)) {
	targets = configuration.getAttribute(IAntLaunchConstants.ATTR_ANT_AFTER_CLEAN_TARGETS, (String) null);
	} else if (IExternalToolConstants.BUILD_TYPE_INCREMENTAL.equals(buildType)) {
	targets = configuration.getAttribute(IAntLaunchConstants.ATTR_ANT_MANUAL_TARGETS, (String) null);
	}

	return targets;
	}

	/**
	* Returns a map of properties to be defined for the build, or <code>null</code> if none are specified (indicating no additional properties
	* specified for the build).
	*
	* @param configuration
	* launch configuration
	* @return map of properties (name --> value), or <code>null</code>
	* @throws CoreException
	* if unable to access the associated attribute
	*/
	public static Map<String, String> getProperties(ILaunchConfiguration configuration) throws CoreException {
	// TODO PLATFORM DEBUG 1.5 API
	Map<String, String> map = configuration.getAttribute(IAntLaunchConstants.ATTR_ANT_PROPERTIES, (Map<String, String>) null);
	return map;
	}

	/**
	* Returns a String specifying the Ant home to use for the build.
	*
	* @param configuration
	* launch configuration
	* @return String specifying Ant home to use or <code>null</code>
	* @throws CoreException
	* if unable to access the associated attribute
	*/
	public static String getAntHome(ILaunchConfiguration configuration) throws CoreException {
	IRuntimeClasspathEntry[] entries = JavaRuntime.computeUnresolvedRuntimeClasspath(configuration);
	for (int i = 0; i < entries.length; i++) {
	IRuntimeClasspathEntry entry = entries[i];
	if (entry.getType() == IRuntimeClasspathEntry.OTHER) {
	IRuntimeClasspathEntry2 entry2 = (IRuntimeClasspathEntry2) entry;
	if (entry2.getTypeId().equals(AntHomeClasspathEntry.TYPE_ID)) {
	return ((AntHomeClasspathEntry) entry2).getAntHome();
	}
	}
	}
	return null;
	}

	/**
	* Returns an array of property files to be used for the build, or <code>null</code> if none are specified (indicating no additional property
	* files specified for the build).
	*
	* @param configuration
	* launch configuration
	* @return array of property file names, or <code>null</code>
	* @throws CoreException
	* if unable to access the associated attribute
	*/
	public static String[] getPropertyFiles(ILaunchConfiguration configuration) throws CoreException {
	String attribute = configuration.getAttribute(IAntLaunchConstants.ATTR_ANT_PROPERTY_FILES, (String) null);
	if (attribute == null) {
	return null;
	}
	String[] propertyFiles = AntLaunchingUtil.parseString(attribute, ","); //$NON-NLS-1$
	for (int i = 0; i < propertyFiles.length; i++) {
	String propertyFile = propertyFiles[i];
	propertyFile = expandVariableString(propertyFile, AntCoreModelMessages.AntUtil_6);
	propertyFiles[i] = propertyFile;
	}
	return propertyFiles;
	}

	/**
	* Returns the list of URLs that define the custom classpath for the Ant build, or <code>null</code> if the global classpath is to be used.
	*
	* @param config
	* launch configuration
	* @return a list of <code>URL</code>
	*
	* @throws CoreException
	* if file does not exist, IO problems, or invalid format.
	*/
	public static URL[] getCustomClasspath(ILaunchConfiguration config) throws CoreException {
	boolean useDefault = config.getAttribute(IJavaLaunchConfigurationConstants.ATTR_DEFAULT_CLASSPATH, true);
	if (useDefault) {
	return null;
	}
	IRuntimeClasspathEntry[] unresolved = JavaRuntime.computeUnresolvedRuntimeClasspath(config);
	// don't consider bootpath entries
	List<IRuntimeClasspathEntry> userEntries = new ArrayList<>(unresolved.length);
	for (int i = 0; i < unresolved.length; i++) {
	IRuntimeClasspathEntry entry = unresolved[i];
	if (entry.getClasspathProperty() == IRuntimeClasspathEntry.USER_CLASSES) {
	userEntries.add(entry);
	}
	}
	IRuntimeClasspathEntry[] entries = JavaRuntime.resolveRuntimeClasspath(userEntries.toArray(new IRuntimeClasspathEntry[userEntries.size()]), config);
	URL[] urls = new URL[entries.length];
	for (int i = 0; i < entries.length; i++) {
	IRuntimeClasspathEntry entry = entries[i];
	try {
	urls[i] = new URL(IAntCoreConstants.FILE_PROTOCOL + entry.getLocation());
	}
	catch (MalformedURLException e) {
	throw new CoreException(new Status(IStatus.ERROR, AntLaunching.getUniqueIdentifier(), AntLaunching.INTERNAL_ERROR, AntCoreModelMessages.AntUtil_7, e));
	}
	}
	return urls;
	}

	private static String expandVariableString(String variableString, String invalidMessage) throws CoreException {
	String expandedString = VariablesPlugin.getDefault().getStringVariableManager().performStringSubstitution(variableString);
	if (expandedString == null \|\| expandedString.length() == 0) {
	String msg = MessageFormat.format(invalidMessage, new Object[] { variableString });
	throw new CoreException(new Status(IStatus.ERROR, AntLaunching.PLUGIN_ID, 0, msg, null));
	}
	return expandedString;
	}

	/**
	* Returns the list of target names to run
	*
	* @param extraAttibuteValue
	* the external tool's extra attribute value for the run targets key.
	* @return a list of target names
	*/
	public static String[] parseRunTargets(String extraAttibuteValue) {
	return parseString(extraAttibuteValue, ATTRIBUTE_SEPARATOR);
	}

	/**
	* Returns the list of Strings that were delimiter separated.
	*
	* @param delimString
	* the String to be tokenized based on the delimiter
	* @return a list of Strings
	*/
	public static String[] parseString(String delimString, String delim) {
	if (delimString == null) {
	return new String[0];
	}

	// Need to handle case where separator character is
	// actually part of the target name!
	StringTokenizer tokenizer = new StringTokenizer(delimString, delim);
	String[] results = new String[tokenizer.countTokens()];
	for (int i = 0; i < results.length; i++) {
	results[i] = tokenizer.nextToken().trim();
	}

	return results;
	}

	/**
	* Returns an IFile with the given fully qualified path (relative to the workspace root). The returned IFile may or may not exist.
	*/
	public static IFile getFile(String fullPath) {
	IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
	return root.getFile(new Path(fullPath));
	}

	/**
	* Returns the workspace file associated with the given path in the local file system, or <code>null</code> if none. If the path happens to be a
	* relative path, then the path is interpreted as relative to the specified parent file.
	*
	* Attempts to handle linked files; the first found linked file with the correct path is returned.
	*
	* @param path
	* @param buildFileParent
	* @return file or <code>null</code>
	* @see org.eclipse.core.resources.IWorkspaceRoot#findFilesForLocation(IPath)
	*/
	public static IFile getFileForLocation(String path, File buildFileParent) {
	if (path == null) {
	return null;
	}
	IPath filePath = new Path(path);
	IFile file = null;
	URI location = filePath.makeAbsolute().toFile().toURI();
	IFile[] files = ResourcesPlugin.getWorkspace().getRoot().findFilesForLocationURI(location);
	if (files.length > 0) {
	file = files[0];
	}
	if (file == null) {
	// relative path
	File relativeFile = null;
	try {
	// this call is ok if buildFileParent is null
	relativeFile = FileUtils.getFileUtils().resolveFile(buildFileParent, path);
	filePath = new Path(relativeFile.getAbsolutePath());
	location = filePath.makeAbsolute().toFile().toURI();
	files = ResourcesPlugin.getWorkspace().getRoot().findFilesForLocationURI(location);
	if (files.length > 0) {
	file = files[0];
	} else {
	return null;
	}
	}
	catch (BuildException be) {
	return null;
	}
	}

	if (file.exists()) {
	return file;
	}
	File ioFile = file.getLocation().toFile();
	if (ioFile.exists()) {// needs to handle case insensitivity on WINOS
	files = ResourcesPlugin.getWorkspace().getRoot().findFilesForLocationURI(ioFile.toURI());
	if (files.length > 0) {
	return files[0];
	}
	}

	return null;
	}

	/**
	* Migrates the classpath in the given configuration from the old format to the new format. The old format is not preserved. Instead, the default
	* classpath will be used. However, ANT_HOME settings are preserved.
	*
	* @param configuration
	* a configuration to migrate
	* @throws CoreException
	* if unable to migrate
	* @since 3.0
	*/
	@SuppressWarnings({ "restriction", "deprecation" })
	public static void migrateToNewClasspathFormat(ILaunchConfiguration configuration) throws CoreException {
	String oldClasspath = configuration.getAttribute(AntLaunching.ATTR_ANT_CUSTOM_CLASSPATH, (String) null);
	String oldAntHome = configuration.getAttribute(AntLaunching.ATTR_ANT_HOME, (String) null);
	String provider = configuration.getAttribute(IJavaLaunchConfigurationConstants.ATTR_CLASSPATH_PROVIDER, (String) null);
	if (oldClasspath != null \|\| oldAntHome != null \|\| provider == null) {
	ILaunchConfigurationWorkingCopy workingCopy = null;
	if (configuration.isWorkingCopy()) {
	workingCopy = (ILaunchConfigurationWorkingCopy) configuration;
	} else {
	workingCopy = configuration.getWorkingCopy();
	}
	workingCopy.setAttribute(AntLaunching.ATTR_ANT_CUSTOM_CLASSPATH, (String) null);
	workingCopy.setAttribute(AntLaunching.ATTR_ANT_HOME, (String) null);
	workingCopy.setAttribute(IJavaLaunchConfigurationConstants.ATTR_CLASSPATH_PROVIDER, "org.eclipse.ant.ui.AntClasspathProvider"); //$NON-NLS-1$
	workingCopy.setAttribute(IJavaLaunchConfigurationConstants.ATTR_DEFAULT_CLASSPATH, true);
	if (oldAntHome != null) {
	IRuntimeClasspathEntry[] entries = JavaRuntime.computeUnresolvedRuntimeClasspath(workingCopy);
	List<String> mementos = new ArrayList<>(entries.length);
	for (int i = 0; i < entries.length; i++) {
	IRuntimeClasspathEntry entry = entries[i];
	if (entry.getType() == IRuntimeClasspathEntry.OTHER) {
	IRuntimeClasspathEntry2 entry2 = (IRuntimeClasspathEntry2) entry;
	if (entry2.getTypeId().equals(AntHomeClasspathEntry.TYPE_ID)) {
	AntHomeClasspathEntry homeEntry = new AntHomeClasspathEntry(oldAntHome);
	mementos.add(homeEntry.getMemento());
	continue;
	}
	}
	mementos.add(entry.getMemento());
	}
	workingCopy.setAttribute(IJavaLaunchConfigurationConstants.ATTR_DEFAULT_CLASSPATH, false);
	workingCopy.setAttribute(IJavaLaunchConfigurationConstants.ATTR_CLASSPATH, mementos);
	}
	workingCopy.doSave();
	}
	}

	public static boolean isSeparateJREAntBuild(ILaunchConfiguration configuration) {
	boolean separateJRE = true;
	try {
	// always null for same JRE
	separateJRE = configuration.getAttribute(IJavaLaunchConfigurationConstants.ATTR_MAIN_TYPE_NAME, (String) null) != null;
	}
	catch (CoreException e) {
	AntLaunching.log(AntCoreModelMessages.AntUtil_2, e);
	}

	return separateJRE;
	}

	public static void linkBuildFailedMessage(String message, IProcess process) {
	String fileName = null;
	String lineNumber = ""; //$NON-NLS-1$
	int fileStart = 0;
	int index = message.indexOf("xml"); //$NON-NLS-1$
	if (index > 0) {
	int numberStart = index + 4;
	int numberEnd = message.indexOf(':', numberStart);
	int fileEnd = index + 3;
	if (numberStart > 0 && fileEnd > 0) {
	fileName = message.substring(fileStart, fileEnd).trim();
	if (numberEnd > 0) {
	lineNumber = message.substring(numberStart, numberEnd).trim();
	}
	}
	}

	if (fileName != null) {
	int num = -1;
	try {
	num = Integer.parseInt(lineNumber);
	}
	catch (NumberFormatException e) {
	// do nothing
	}
	URI location = new Path(fileName).makeAbsolute().toFile().toURI();
	IFile[] files = ResourcesPlugin.getWorkspace().getRoot().findFilesForLocationURI(location);
	IFile file = null;
	if (files.length > 0) {
	file = files[0];
	}
	if (file != null && file.exists()) {
	if (process != null) {
	ILaunch launch = null;
	if (process instanceof RemoteAntRuntimeProcess) {
	launch = ((RemoteAntRuntimeProcess) process).getLaunch();
	} else if (process instanceof AntProcess) {
	launch = ((AntProcess) process).getLaunch();
	}
	if (launch != null) {
	((AntLaunch) launch).addLinkDescriptor(message, fileName, num, 0, message.length());
	}
	}
	}
	}
	}

	/**
	* Returns whether the given configuration should be launched in the background. When unspecified, the default value for an Ant launch
	* configuration is <code>true</code>.
	*
	* @param configuration
	* the configuration
	* @return whether the configuration is configured to launch in the background
	*/
	public static boolean isLaunchInBackground(ILaunchConfiguration configuration) {
	boolean launchInBackground = true;
	try {
	launchInBackground = configuration.getAttribute(IExternalToolConstants.ATTR_LAUNCH_IN_BACKGROUND, true);
	}
	catch (CoreException ce) {
	AntLaunching.log(ce);
	}
	return launchInBackground;
	}
	}