ui/org.eclipse.pde.core/src/org/eclipse/pde/internal/core/TargetPlatform.java - pde/eclipse.pde.ui - 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.pde.internal.core;

 import java.io.*;
 import java.net.*;
 import java.util.*;

 import org.eclipse.core.boot.*;
 import org.eclipse.core.resources.*;
 import org.eclipse.core.runtime.*;
 import org.eclipse.pde.core.*;
 import org.eclipse.pde.core.plugin.*;
 import org.eclipse.pde.internal.core.feature.*;
 import org.eclipse.pde.internal.core.ifeature.*;

 /**
  * @version 	1.0
  * @author
  */
 public class TargetPlatform implements IEnvironmentVariables {

 	private static final String BOOT_ID = "org.eclipse.core.boot"; //$NON-NLS-1$

 	static class LocalSite {
 		private ArrayList plugins;
 		private IPath path;

 		public LocalSite(IPath path) {
 			this.path = path;
 			plugins = new ArrayList();
 		}

 		public IPath getPath() {
 			return path;
 		}

 		public URL getURL() throws MalformedURLException {
 			return new URL("file:" + path.addTrailingSeparator().toString()); //$NON-NLS-1$
 		}

 		public void add(IPluginModelBase model) {
 			plugins.add(model);
 		}

 		public String[] getRelativePluginList() {
 			String[] list = new String[plugins.size()];
 			for (int i = 0; i < plugins.size(); i++) {
 				IPluginModelBase model = (IPluginModelBase) plugins.get(i);
 				IPath location = getPluginLocation(model);
 				location =
 					location.append(
 						model.isFragmentModel()
 							? "fragment.xml" //$NON-NLS-1$
 							: "plugin.xml"); //$NON-NLS-1$
 				// defect 37319
 				if (location.segmentCount() > 3)
 					location = location.removeFirstSegments(location.segmentCount() - 3);
 				//31489 - entry must be relative
 				list[i] = location.setDevice(null).makeRelative().toString();
 			}
 			return list;
 		}
 	}

 	public static File createPropertiesFile() throws CoreException {
 		return createPropertiesFile(getVisibleModels(), null);
 	}

 	public static URL[] createPluginPath() throws CoreException {
 		return createPluginPath(getVisibleModels());
 	}

 	public static URL[] createPluginPath(IPluginModelBase[] models)
 		throws CoreException {
 		URL urls[] = new URL[models.length];
 		for (int i = 0; i < urls.length; i++) {
 			IPluginModelBase model = models[i];
 			String urlName = createURL(model);
 			try {
 				urls[i] = new URL(urlName);
 			} catch (MalformedURLException e) {
 				PDECore.logException(e);
 				return new URL[0];
 			}
 		}
 		return urls;
 	}

 	private static IPluginModelBase[] getVisibleModels() {
 		Vector result = new Vector();
 		PluginModelManager manager = PDECore.getDefault().getModelManager();
 		addFromList(result, manager.getPlugins());
 		IPluginModelBase[] array =
 			(IPluginModelBase[]) result.toArray(
 				new IPluginModelBase[result.size()]);
 		return array;
 	}

 	private static void addFromList(Vector result, IPluginModelBase[] list) {
 		for (int i = 0; i < list.length; i++) {
 			IPluginModelBase model = list[i];
 			if (model.isEnabled())
 				result.add(list[i]);
 		}
 	}

 	public static File createPropertiesFile(
 		IPluginModelBase[] plugins,
 		IPath data)
 		throws CoreException {
 		try {
 			String dataSuffix = createDataSuffix(data);
 			IPath statePath = PDECore.getDefault().getStateLocation();
 			String fileName = "plugin_path.properties"; //$NON-NLS-1$
 			File dir = new File(statePath.toOSString());

 			if (dataSuffix.length() > 0) {
 				dir = new File(dir, dataSuffix);
 				if (!dir.exists()) {
 					dir.mkdir();
 				}
 			}
 			File pluginFile = new File(dir, fileName);
 			Properties properties = new Properties();

 			for (int i = 0; i < plugins.length; i++) {
 				IPluginModelBase curr = plugins[i];
 				String key = getKey(curr);
 				if (key != null)
 					properties.setProperty(key, createURL(curr));
 			}

 			FileOutputStream fos = null;
 			try {
 				fos = new FileOutputStream(pluginFile);
 				properties.store(fos, null);
 			} finally {
 				if (fos != null) {
 					fos.close();
 				}
 			}
 			return pluginFile;
 		} catch (IOException e) {
 			throw new CoreException(
 				new Status(
 					IStatus.ERROR,
 					PDECore.getPluginId(),
 					IStatus.ERROR,
 					e.getMessage(),
 					e));
 		}
 	}

 	public static File createPlatformConfigurationArea(
 		TreeMap pluginMap,
 		IPath data,
 		String primaryFeatureId,
 		HashMap autoStartPlugins)
 		throws CoreException {
 		try {
 			File configDir = createWorkingDirectory(data);
 			boolean isOSGI = PDECore.getDefault().getModelManager().isOSGiRuntime();
 			if (isOSGI) {
 				createConfigIniFile(configDir, pluginMap, primaryFeatureId, autoStartPlugins);
 			}
 			File configFile = null;
 			if (!isOSGI || pluginMap.containsKey("org.eclipse.update.configurator")) {
 				configFile = new File(configDir, "platform.cfg");
 				savePlatformConfiguration(configFile, pluginMap, primaryFeatureId);
 			}
 			return (configFile == null) ? configDir : configFile;
 		} catch (CoreException e) {
 			// Rethrow
 			throw e;
 		} catch (Exception e) {
 			// Wrap everything else in a core exception.
 			String message = e.getMessage();
 			if (message==null || message.length() == 0)
 				message = PDECore.getResourceString("TargetPlatform.exceptionThrown"); //$NON-NLS-1$
 			throw new CoreException(
 				new Status(
 					IStatus.ERROR,
 					PDECore.getPluginId(),
 					IStatus.ERROR,
 					message,
 					e));
 		}
 	}

 	private static void createConfigIniFile(File configDir, TreeMap pluginMap, String primaryFeatureId, HashMap autoStartPlugins) {
 		File file = new File(configDir, "config.ini");
 		try {
 			FileOutputStream stream = new FileOutputStream(file);
 			OutputStreamWriter writer = new OutputStreamWriter(stream, "8859_1");
 			BufferedWriter bWriter = new BufferedWriter(writer);

 			bWriter.write("#Eclipse Runtime Configuration File");
 			bWriter.newLine();
 			bWriter.write("osgi.installLocation=file:" + ExternalModelManager.getEclipseHome(null).toString());
 			bWriter.newLine();

 			if (primaryFeatureId != null) {
 				String splashPath = getLocation(primaryFeatureId, pluginMap);
 				if (splashPath != null) {
 					bWriter.write("osgi.splashPath=" + splashPath);
 					bWriter.newLine();
 				}
 			}

 			bWriter.write("osgi.framework=" + getLocation("org.eclipse.osgi", pluginMap));
 			bWriter.newLine();

 			autoStartPlugins.remove("org.eclipse.osgi");
 			Iterator iter = autoStartPlugins.keySet().iterator();
 			StringBuffer buffer = new StringBuffer();

 			while (iter.hasNext()) {
 				String id = iter.next().toString();
 				buffer.append(getOSGiLocation(id, pluginMap));
 				Integer integer = (Integer)autoStartPlugins.get(id);
 				if (integer.intValue() > 0)
 					buffer.append("@" + integer.intValue());
 				if (iter.hasNext())
 					buffer.append(",");
 			}

 			if (buffer.length() > 0) {
 				bWriter.write("osgi.bundles=" + buffer.toString());
 				bWriter.newLine();
 			}

 			bWriter.write("eof=eof");
 			bWriter.flush();
 			bWriter.close();
 		} catch (IOException e) {
 			PDECore.logException(e);
 		}
 	}

 	private static String getLocation(String id, TreeMap pluginMap) {
 		IPluginModelBase model = (IPluginModelBase)pluginMap.get(id);
 		if (model == null)
 			return null;

 		IPath path = null;
 		IResource resource = model.getUnderlyingResource();
 		if (resource != null && resource.isLinked()) {
 			path = resource.getLocation().removeLastSegments(1).addTrailingSeparator();
 		} else {
 			path = new Path(model.getInstallLocation()).addTrailingSeparator();
 		}
 		return "file:" + path.toString();
 	}

 	private static String getOSGiLocation(String id, TreeMap pluginMap) {
 		return "reference:" + getLocation(id, pluginMap);
 	}

 	public static File createWorkingDirectory(IPath data) {
 		String dataSuffix = createDataSuffix(data);
 		IPath statePath = PDECore.getDefault().getStateLocation();
 		File dir = new File(statePath.toOSString());

 		if (dataSuffix.length() > 0) {
 			dir = new File(dir, dataSuffix);
 			if (!dir.exists()) {
 				dir.mkdir();
 			}
 		}
 		return dir;
 	}

 	private static void savePlatformConfiguration(
 		File configFile,
 		TreeMap pluginMap,
 		String primaryFeatureId)
 		throws IOException, CoreException, MalformedURLException {
 		ArrayList sites = new ArrayList();

 		// Compute local sites
 		IAlternativeRuntimeSupport altRuntime = PDECore.getDefault().getRuntimeSupport();
 		Iterator iter = pluginMap.values().iterator();
 		while(iter.hasNext()) {
 			IPluginModelBase model = (IPluginModelBase)iter.next();
 			IPath sitePath = altRuntime.getTransientSitePath(model);
 			addToSite(sitePath, model, sites);
 		}

 		IPluginModelBase bootModel = (IPluginModelBase)pluginMap.get(BOOT_ID);
 		URL configURL = new URL("file:" + configFile.getPath()); //$NON-NLS-1$
 		IPlatformConfiguration platformConfiguration =
 			BootLoader.getPlatformConfiguration(null);
 		createConfigurationEntries(platformConfiguration, bootModel, sites);
 		createFeatureEntries(platformConfiguration, pluginMap, primaryFeatureId);
 		platformConfiguration.refresh();
 		platformConfiguration.save(configURL);

 		if (bootModel!=null) {
 			String version = bootModel.getPluginBase().getVersion();
 			if (version!=null) {
 				PluginVersionIdentifier bootVid = new PluginVersionIdentifier(version);
 				PluginVersionIdentifier breakVid = new PluginVersionIdentifier("2.0.3");
 				if (breakVid.isGreaterThan(bootVid))
 				// Platform configuration version changed in 2.1
 				// but the same fix is in 2.0.3.
 				// Must switch back to configuration 1.0 for
 				// older configurations.
 				repairConfigurationVersion(configURL);
 			}
 		}
 	}

 	private static void repairConfigurationVersion(URL url) throws IOException {
 		File file = new File(url.getFile());
 		if (file.exists()) {
 			Properties p = new Properties();
 			FileInputStream fis = new FileInputStream(file);
 			p.load(fis);
 			p.setProperty("version", "1.0");
 			fis.close();
 			FileOutputStream fos = new FileOutputStream(file);
 			p.store(fos, (new Date()).toString());
 			fos.close();
 		}
 	}

 	private static void addToSite(
 		IPath path,
 		IPluginModelBase model,
 		ArrayList sites) {
 		for (int i = 0; i < sites.size(); i++) {
 			LocalSite localSite = (LocalSite) sites.get(i);
 			if (localSite.getPath().equals(path)) {
 				localSite.add(model);
 				return;
 			}
 		}
 		// First time - add site
 		LocalSite localSite = new LocalSite(path);
 		localSite.add(model);
 		sites.add(localSite);
 	}

 	private static void createConfigurationEntries(
 		IPlatformConfiguration config,
 		IPluginModelBase bootModel,
 		ArrayList sites)
 		throws CoreException, MalformedURLException {

 		for (int i = 0; i < sites.size(); i++) {
 			LocalSite localSite = (LocalSite) sites.get(i);
 			String[] plugins = localSite.getRelativePluginList();

 			int policy = IPlatformConfiguration.ISitePolicy.USER_INCLUDE;
 			IPlatformConfiguration.ISitePolicy sitePolicy =
 				config.createSitePolicy(policy, plugins);
 			IPlatformConfiguration.ISiteEntry siteEntry =
 				config.createSiteEntry(localSite.getURL(), sitePolicy);
 			config.configureSite(siteEntry);
 		}

 		if (!PDECore.getDefault().getModelManager().isOSGiRuntime()) {
 			// Set boot location
 			IPath bootPath = getPluginLocation(bootModel);
 			URL bootURL = new URL("file:" + bootPath.toOSString()); //$NON-NLS-1$
 			config.setBootstrapPluginLocation(BOOT_ID, bootURL);
 		}
 		config.isTransient(true);
 	}

 	private static IPath getPluginLocation(IPluginModelBase model) {
 		// Moved this into alternative runtime support
 		// because bundle location reported here must
 		// be different
 		return PDECore.getDefault().getRuntimeSupport().getPluginLocation(model);
 	}

 	private static void createFeatureEntries(
 		IPlatformConfiguration config,
 		TreeMap pluginMap,
 		String primaryFeatureId)
 		throws MalformedURLException {
 		IPath targetPath = ExternalModelManager.getEclipseHome(null);

 		if (primaryFeatureId == null)
 			return;
 		// We have primary feature Id.
 		IFeatureModel featureModel =
 			loadPrimaryFeatureModel(targetPath, primaryFeatureId);
 		if (featureModel == null)
 			return;
 		IFeature feature = featureModel.getFeature();
 		String featureVersion = feature.getVersion();
 		String pluginId = primaryFeatureId;
 		IPluginModelBase primaryPlugin = (IPluginModelBase)pluginMap.get(pluginId);
 		if (primaryPlugin == null)
 			return;
 		IPath pluginPath = getPluginLocation(primaryPlugin);
 		URL pluginURL = new URL("file:" + pluginPath.toString()); //$NON-NLS-1$
 		URL[] root = new URL[] { pluginURL };
 		IPlatformConfiguration.IFeatureEntry featureEntry =
 			config.createFeatureEntry(
 				primaryFeatureId,
 				featureVersion,
 				pluginId,
 				primaryPlugin.getPluginBase().getVersion(),
 				true,
 				null,
 				root);
 		config.configureFeatureEntry(featureEntry);
 		featureModel.dispose();
 	}

 	private static IFeatureModel loadPrimaryFeatureModel(
 		IPath targetPath,
 		String featureId) {
 		File mainFeatureDir = targetPath.append("features").toFile(); //$NON-NLS-1$
 		if (mainFeatureDir.exists() == false || !mainFeatureDir.isDirectory())
 			return null;
 		File[] featureDirs = mainFeatureDir.listFiles();

 		PluginVersionIdentifier bestVid = null;
 		File bestDir = null;

 		for (int i = 0; i < featureDirs.length; i++) {
 			File featureDir = featureDirs[i];
 			String name = featureDir.getName();
 			if (featureDir.isDirectory() && name.startsWith(featureId)) {
 				int loc = name.lastIndexOf("_"); //$NON-NLS-1$
 				if (loc == -1)
 					continue;
 				String version = name.substring(loc + 1);
 				PluginVersionIdentifier vid =
 					new PluginVersionIdentifier(version);
 				if (bestVid == null || vid.isGreaterThan(bestVid)) {
 					bestVid = vid;
 					bestDir = featureDir;
 				}
 			}
 		}
 		if (bestVid == null)
 			return null;
 		// We have a feature and know the version
 		File manifest = new File(bestDir, "feature.xml"); //$NON-NLS-1$
 		ExternalFeatureModel model = new ExternalFeatureModel();
 		model.setInstallLocation(bestDir.getAbsolutePath());

 		InputStream stream = null;
 		boolean error = false;
 		try {
 			stream = new FileInputStream(manifest);
 			model.load(stream, false);
 		} catch (Exception e) {
 			error = true;
 		}
 		if (stream != null) {
 			try {
 				stream.close();
 			} catch (IOException e) {
 			}
 		}
 		if (error || !model.isLoaded())
 			return null;
 		return model;
 	}

 	private static String getKey(IPluginModelBase model) {
 		if (model.isLoaded()) {
 			return model.getPluginBase().getId();
 		}
 		IResource resource = model.getUnderlyingResource();
 		if (resource != null)
 			return resource.getProject().getName();
 		return model.getInstallLocation();
 	}

 	private static String createDataSuffix(IPath data) {
 		if (data == null)
 			return ""; //$NON-NLS-1$
 		String suffix = data.toOSString();
 		// replace file and device separators with underscores
 		suffix = suffix.replace(File.separatorChar, '_');
 		return suffix.replace(':', '_');
 	}

 	private static String createURL(IPluginModelBase model) {
 		String linkedURL = createLinkedURL(model);
 		if (linkedURL != null)
 			return linkedURL;
 		String prefix = "file:" + model.getInstallLocation() + File.separator; //$NON-NLS-1$

 		if (model instanceof IPluginModel) {
 			return prefix + "plugin.xml"; //$NON-NLS-1$
 		} else if (model instanceof IFragmentModel) {
 			return prefix + "fragment.xml"; //$NON-NLS-1$
 		} else
 			return ""; //$NON-NLS-1$
 	}

 	private static String createLinkedURL(IPluginModelBase model) {
 		IResource resource = model.getUnderlyingResource();
 		if (resource == null || !resource.isLinked())
 			return null;
 		// linked resource - redirect
 		return "file:" + resource.getLocation().toOSString(); //$NON-NLS-1$
 	}

 	public static String getOS() {
 		return getProperty(OS);
 	}

 	public static String getWS() {
 		return getProperty(WS);
 	}

 	public static String getNL() {
 		return getProperty(NL);
 	}

 	public static String getOSArch() {
 		return getProperty(ARCH);
 	}

 	private static String getProperty(String key) {
 		return PDECore.getDefault().getPluginPreferences().getString(key);
 	}

 	private static Choice[] getKnownChoices(String[] values) {
 		Choice[] choices = new Choice[values.length];
 		for (int i = 0; i < choices.length; i++) {
 			choices[i] = new Choice(values[i], values[i]);
 		}
 		return choices;
 	}

 	public static Choice[] getOSChoices() {
 		return getKnownChoices(BootLoader.knownOSValues());
 	}

 	public static Choice[] getWSChoices() {
 		return getKnownChoices(BootLoader.knownWSValues());
 	}

 	public static Choice[] getNLChoices() {
 		Locale[] locales = Locale.getAvailableLocales();
 		Choice[] choices = new Choice[locales.length];
 		for (int i = 0; i < locales.length; i++) {
 			Locale locale = locales[i];
 			choices[i] =
 				new Choice(
 					locale.toString(),
 					locale.toString() + " - " + locale.getDisplayName()); //$NON-NLS-1$
 		}
 		return choices;
 	}

 	public static Choice[] getArchChoices() {
 		return getKnownChoices(BootLoader.knownOSArchValues());
 	}
 }
	/*******************************************************************************
	* 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.pde.internal.core;

	import java.io.*;
	import java.net.*;
	import java.util.*;

	import org.eclipse.core.boot.*;
	import org.eclipse.core.resources.*;
	import org.eclipse.core.runtime.*;
	import org.eclipse.pde.core.*;
	import org.eclipse.pde.core.plugin.*;
	import org.eclipse.pde.internal.core.feature.*;
	import org.eclipse.pde.internal.core.ifeature.*;

	/**
	* @version 1.0
	* @author
	*/
	public class TargetPlatform implements IEnvironmentVariables {

	private static final String BOOT_ID = "org.eclipse.core.boot"; //$NON-NLS-1$

	static class LocalSite {
	private ArrayList plugins;
	private IPath path;

	public LocalSite(IPath path) {
	this.path = path;
	plugins = new ArrayList();
	}

	public IPath getPath() {
	return path;
	}

	public URL getURL() throws MalformedURLException {
	return new URL("file:" + path.addTrailingSeparator().toString()); //$NON-NLS-1$
	}

	public void add(IPluginModelBase model) {
	plugins.add(model);
	}

	public String[] getRelativePluginList() {
	String[] list = new String[plugins.size()];
	for (int i = 0; i < plugins.size(); i++) {
	IPluginModelBase model = (IPluginModelBase) plugins.get(i);
	IPath location = getPluginLocation(model);
	location =
	location.append(
	model.isFragmentModel()
	? "fragment.xml" //$NON-NLS-1$
	: "plugin.xml"); //$NON-NLS-1$
	// defect 37319
	if (location.segmentCount() > 3)
	location = location.removeFirstSegments(location.segmentCount() - 3);
	//31489 - entry must be relative
	list[i] = location.setDevice(null).makeRelative().toString();
	}
	return list;
	}
	}

	public static File createPropertiesFile() throws CoreException {
	return createPropertiesFile(getVisibleModels(), null);
	}

	public static URL[] createPluginPath() throws CoreException {
	return createPluginPath(getVisibleModels());
	}

	public static URL[] createPluginPath(IPluginModelBase[] models)
	throws CoreException {
	URL urls[] = new URL[models.length];
	for (int i = 0; i < urls.length; i++) {
	IPluginModelBase model = models[i];
	String urlName = createURL(model);
	try {
	urls[i] = new URL(urlName);
	} catch (MalformedURLException e) {
	PDECore.logException(e);
	return new URL[0];
	}
	}
	return urls;
	}

	private static IPluginModelBase[] getVisibleModels() {
	Vector result = new Vector();
	PluginModelManager manager = PDECore.getDefault().getModelManager();
	addFromList(result, manager.getPlugins());
	IPluginModelBase[] array =
	(IPluginModelBase[]) result.toArray(
	new IPluginModelBase[result.size()]);
	return array;
	}

	private static void addFromList(Vector result, IPluginModelBase[] list) {
	for (int i = 0; i < list.length; i++) {
	IPluginModelBase model = list[i];
	if (model.isEnabled())
	result.add(list[i]);
	}
	}

	public static File createPropertiesFile(
	IPluginModelBase[] plugins,
	IPath data)
	throws CoreException {
	try {
	String dataSuffix = createDataSuffix(data);
	IPath statePath = PDECore.getDefault().getStateLocation();
	String fileName = "plugin_path.properties"; //$NON-NLS-1$
	File dir = new File(statePath.toOSString());

	if (dataSuffix.length() > 0) {
	dir = new File(dir, dataSuffix);
	if (!dir.exists()) {
	dir.mkdir();
	}
	}
	File pluginFile = new File(dir, fileName);
	Properties properties = new Properties();

	for (int i = 0; i < plugins.length; i++) {
	IPluginModelBase curr = plugins[i];
	String key = getKey(curr);
	if (key != null)
	properties.setProperty(key, createURL(curr));
	}

	FileOutputStream fos = null;
	try {
	fos = new FileOutputStream(pluginFile);
	properties.store(fos, null);
	} finally {
	if (fos != null) {
	fos.close();
	}
	}
	return pluginFile;
	} catch (IOException e) {
	throw new CoreException(
	new Status(
	IStatus.ERROR,
	PDECore.getPluginId(),
	IStatus.ERROR,
	e.getMessage(),
	e));
	}
	}

	public static File createPlatformConfigurationArea(
	TreeMap pluginMap,
	IPath data,
	String primaryFeatureId,
	HashMap autoStartPlugins)
	throws CoreException {
	try {
	File configDir = createWorkingDirectory(data);
	boolean isOSGI = PDECore.getDefault().getModelManager().isOSGiRuntime();
	if (isOSGI) {
	createConfigIniFile(configDir, pluginMap, primaryFeatureId, autoStartPlugins);
	}
	File configFile = null;
	if (!isOSGI \|\| pluginMap.containsKey("org.eclipse.update.configurator")) {
	configFile = new File(configDir, "platform.cfg");
	savePlatformConfiguration(configFile, pluginMap, primaryFeatureId);
	}
	return (configFile == null) ? configDir : configFile;
	} catch (CoreException e) {
	// Rethrow
	throw e;
	} catch (Exception e) {
	// Wrap everything else in a core exception.
	String message = e.getMessage();
	if (message==null \|\| message.length() == 0)
	message = PDECore.getResourceString("TargetPlatform.exceptionThrown"); //$NON-NLS-1$
	throw new CoreException(
	new Status(
	IStatus.ERROR,
	PDECore.getPluginId(),
	IStatus.ERROR,
	message,
	e));
	}
	}

	private static void createConfigIniFile(File configDir, TreeMap pluginMap, String primaryFeatureId, HashMap autoStartPlugins) {
	File file = new File(configDir, "config.ini");
	try {
	FileOutputStream stream = new FileOutputStream(file);
	OutputStreamWriter writer = new OutputStreamWriter(stream, "8859_1");
	BufferedWriter bWriter = new BufferedWriter(writer);

	bWriter.write("#Eclipse Runtime Configuration File");
	bWriter.newLine();
	bWriter.write("osgi.installLocation=file:" + ExternalModelManager.getEclipseHome(null).toString());
	bWriter.newLine();

	if (primaryFeatureId != null) {
	String splashPath = getLocation(primaryFeatureId, pluginMap);
	if (splashPath != null) {
	bWriter.write("osgi.splashPath=" + splashPath);
	bWriter.newLine();
	}
	}

	bWriter.write("osgi.framework=" + getLocation("org.eclipse.osgi", pluginMap));
	bWriter.newLine();

	autoStartPlugins.remove("org.eclipse.osgi");
	Iterator iter = autoStartPlugins.keySet().iterator();
	StringBuffer buffer = new StringBuffer();

	while (iter.hasNext()) {
	String id = iter.next().toString();
	buffer.append(getOSGiLocation(id, pluginMap));
	Integer integer = (Integer)autoStartPlugins.get(id);
	if (integer.intValue() > 0)
	buffer.append("@" + integer.intValue());
	if (iter.hasNext())
	buffer.append(",");
	}

	if (buffer.length() > 0) {
	bWriter.write("osgi.bundles=" + buffer.toString());
	bWriter.newLine();
	}

	bWriter.write("eof=eof");
	bWriter.flush();
	bWriter.close();
	} catch (IOException e) {
	PDECore.logException(e);
	}
	}

	private static String getLocation(String id, TreeMap pluginMap) {
	IPluginModelBase model = (IPluginModelBase)pluginMap.get(id);
	if (model == null)
	return null;

	IPath path = null;
	IResource resource = model.getUnderlyingResource();
	if (resource != null && resource.isLinked()) {
	path = resource.getLocation().removeLastSegments(1).addTrailingSeparator();
	} else {
	path = new Path(model.getInstallLocation()).addTrailingSeparator();
	}
	return "file:" + path.toString();
	}

	private static String getOSGiLocation(String id, TreeMap pluginMap) {
	return "reference:" + getLocation(id, pluginMap);
	}

	public static File createWorkingDirectory(IPath data) {
	String dataSuffix = createDataSuffix(data);
	IPath statePath = PDECore.getDefault().getStateLocation();
	File dir = new File(statePath.toOSString());

	if (dataSuffix.length() > 0) {
	dir = new File(dir, dataSuffix);
	if (!dir.exists()) {
	dir.mkdir();
	}
	}
	return dir;
	}

	private static void savePlatformConfiguration(
	File configFile,
	TreeMap pluginMap,
	String primaryFeatureId)
	throws IOException, CoreException, MalformedURLException {
	ArrayList sites = new ArrayList();

	// Compute local sites
	IAlternativeRuntimeSupport altRuntime = PDECore.getDefault().getRuntimeSupport();
	Iterator iter = pluginMap.values().iterator();
	while(iter.hasNext()) {
	IPluginModelBase model = (IPluginModelBase)iter.next();
	IPath sitePath = altRuntime.getTransientSitePath(model);
	addToSite(sitePath, model, sites);
	}

	IPluginModelBase bootModel = (IPluginModelBase)pluginMap.get(BOOT_ID);
	URL configURL = new URL("file:" + configFile.getPath()); //$NON-NLS-1$
	IPlatformConfiguration platformConfiguration =
	BootLoader.getPlatformConfiguration(null);
	createConfigurationEntries(platformConfiguration, bootModel, sites);
	createFeatureEntries(platformConfiguration, pluginMap, primaryFeatureId);
	platformConfiguration.refresh();
	platformConfiguration.save(configURL);

	if (bootModel!=null) {
	String version = bootModel.getPluginBase().getVersion();
	if (version!=null) {
	PluginVersionIdentifier bootVid = new PluginVersionIdentifier(version);
	PluginVersionIdentifier breakVid = new PluginVersionIdentifier("2.0.3");
	if (breakVid.isGreaterThan(bootVid))
	// Platform configuration version changed in 2.1
	// but the same fix is in 2.0.3.
	// Must switch back to configuration 1.0 for
	// older configurations.
	repairConfigurationVersion(configURL);
	}
	}
	}

	private static void repairConfigurationVersion(URL url) throws IOException {
	File file = new File(url.getFile());
	if (file.exists()) {
	Properties p = new Properties();
	FileInputStream fis = new FileInputStream(file);
	p.load(fis);
	p.setProperty("version", "1.0");
	fis.close();
	FileOutputStream fos = new FileOutputStream(file);
	p.store(fos, (new Date()).toString());
	fos.close();
	}
	}

	private static void addToSite(
	IPath path,
	IPluginModelBase model,
	ArrayList sites) {
	for (int i = 0; i < sites.size(); i++) {
	LocalSite localSite = (LocalSite) sites.get(i);
	if (localSite.getPath().equals(path)) {
	localSite.add(model);
	return;
	}
	}
	// First time - add site
	LocalSite localSite = new LocalSite(path);
	localSite.add(model);
	sites.add(localSite);
	}

	private static void createConfigurationEntries(
	IPlatformConfiguration config,
	IPluginModelBase bootModel,
	ArrayList sites)
	throws CoreException, MalformedURLException {

	for (int i = 0; i < sites.size(); i++) {
	LocalSite localSite = (LocalSite) sites.get(i);
	String[] plugins = localSite.getRelativePluginList();

	int policy = IPlatformConfiguration.ISitePolicy.USER_INCLUDE;
	IPlatformConfiguration.ISitePolicy sitePolicy =
	config.createSitePolicy(policy, plugins);
	IPlatformConfiguration.ISiteEntry siteEntry =
	config.createSiteEntry(localSite.getURL(), sitePolicy);
	config.configureSite(siteEntry);
	}

	if (!PDECore.getDefault().getModelManager().isOSGiRuntime()) {
	// Set boot location
	IPath bootPath = getPluginLocation(bootModel);
	URL bootURL = new URL("file:" + bootPath.toOSString()); //$NON-NLS-1$
	config.setBootstrapPluginLocation(BOOT_ID, bootURL);
	}
	config.isTransient(true);
	}

	private static IPath getPluginLocation(IPluginModelBase model) {
	// Moved this into alternative runtime support
	// because bundle location reported here must
	// be different
	return PDECore.getDefault().getRuntimeSupport().getPluginLocation(model);
	}

	private static void createFeatureEntries(
	IPlatformConfiguration config,
	TreeMap pluginMap,
	String primaryFeatureId)
	throws MalformedURLException {
	IPath targetPath = ExternalModelManager.getEclipseHome(null);

	if (primaryFeatureId == null)
	return;
	// We have primary feature Id.
	IFeatureModel featureModel =
	loadPrimaryFeatureModel(targetPath, primaryFeatureId);
	if (featureModel == null)
	return;
	IFeature feature = featureModel.getFeature();
	String featureVersion = feature.getVersion();
	String pluginId = primaryFeatureId;
	IPluginModelBase primaryPlugin = (IPluginModelBase)pluginMap.get(pluginId);
	if (primaryPlugin == null)
	return;
	IPath pluginPath = getPluginLocation(primaryPlugin);
	URL pluginURL = new URL("file:" + pluginPath.toString()); //$NON-NLS-1$
	URL[] root = new URL[] { pluginURL };
	IPlatformConfiguration.IFeatureEntry featureEntry =
	config.createFeatureEntry(
	primaryFeatureId,
	featureVersion,
	pluginId,
	primaryPlugin.getPluginBase().getVersion(),
	true,
	null,
	root);
	config.configureFeatureEntry(featureEntry);
	featureModel.dispose();
	}

	private static IFeatureModel loadPrimaryFeatureModel(
	IPath targetPath,
	String featureId) {
	File mainFeatureDir = targetPath.append("features").toFile(); //$NON-NLS-1$
	if (mainFeatureDir.exists() == false \|\| !mainFeatureDir.isDirectory())
	return null;
	File[] featureDirs = mainFeatureDir.listFiles();

	PluginVersionIdentifier bestVid = null;
	File bestDir = null;

	for (int i = 0; i < featureDirs.length; i++) {
	File featureDir = featureDirs[i];
	String name = featureDir.getName();
	if (featureDir.isDirectory() && name.startsWith(featureId)) {
	int loc = name.lastIndexOf("_"); //$NON-NLS-1$
	if (loc == -1)
	continue;
	String version = name.substring(loc + 1);
	PluginVersionIdentifier vid =
	new PluginVersionIdentifier(version);
	if (bestVid == null \|\| vid.isGreaterThan(bestVid)) {
	bestVid = vid;
	bestDir = featureDir;
	}
	}
	}
	if (bestVid == null)
	return null;
	// We have a feature and know the version
	File manifest = new File(bestDir, "feature.xml"); //$NON-NLS-1$
	ExternalFeatureModel model = new ExternalFeatureModel();
	model.setInstallLocation(bestDir.getAbsolutePath());

	InputStream stream = null;
	boolean error = false;
	try {
	stream = new FileInputStream(manifest);
	model.load(stream, false);
	} catch (Exception e) {
	error = true;
	}
	if (stream != null) {
	try {
	stream.close();
	} catch (IOException e) {
	}
	}
	if (error \|\| !model.isLoaded())
	return null;
	return model;
	}

	private static String getKey(IPluginModelBase model) {
	if (model.isLoaded()) {
	return model.getPluginBase().getId();
	}
	IResource resource = model.getUnderlyingResource();
	if (resource != null)
	return resource.getProject().getName();
	return model.getInstallLocation();
	}

	private static String createDataSuffix(IPath data) {
	if (data == null)
	return ""; //$NON-NLS-1$
	String suffix = data.toOSString();
	// replace file and device separators with underscores
	suffix = suffix.replace(File.separatorChar, '_');
	return suffix.replace(':', '_');
	}

	private static String createURL(IPluginModelBase model) {
	String linkedURL = createLinkedURL(model);
	if (linkedURL != null)
	return linkedURL;
	String prefix = "file:" + model.getInstallLocation() + File.separator; //$NON-NLS-1$

	if (model instanceof IPluginModel) {
	return prefix + "plugin.xml"; //$NON-NLS-1$
	} else if (model instanceof IFragmentModel) {
	return prefix + "fragment.xml"; //$NON-NLS-1$
	} else
	return ""; //$NON-NLS-1$
	}

	private static String createLinkedURL(IPluginModelBase model) {
	IResource resource = model.getUnderlyingResource();
	if (resource == null \|\| !resource.isLinked())
	return null;
	// linked resource - redirect
	return "file:" + resource.getLocation().toOSString(); //$NON-NLS-1$
	}

	public static String getOS() {
	return getProperty(OS);
	}

	public static String getWS() {
	return getProperty(WS);
	}

	public static String getNL() {
	return getProperty(NL);
	}

	public static String getOSArch() {
	return getProperty(ARCH);
	}

	private static String getProperty(String key) {
	return PDECore.getDefault().getPluginPreferences().getString(key);
	}

	private static Choice[] getKnownChoices(String[] values) {
	Choice[] choices = new Choice[values.length];
	for (int i = 0; i < choices.length; i++) {
	choices[i] = new Choice(values[i], values[i]);
	}
	return choices;
	}

	public static Choice[] getOSChoices() {
	return getKnownChoices(BootLoader.knownOSValues());
	}

	public static Choice[] getWSChoices() {
	return getKnownChoices(BootLoader.knownWSValues());
	}

	public static Choice[] getNLChoices() {
	Locale[] locales = Locale.getAvailableLocales();
	Choice[] choices = new Choice[locales.length];
	for (int i = 0; i < locales.length; i++) {
	Locale locale = locales[i];
	choices[i] =
	new Choice(
	locale.toString(),
	locale.toString() + " - " + locale.getDisplayName()); //$NON-NLS-1$
	}
	return choices;
	}

	public static Choice[] getArchChoices() {
	return getKnownChoices(BootLoader.knownOSArchValues());
	}
	}