bundles/org.eclipse.osgi/eclipseAdaptor/src/org/eclipse/core/runtime/adaptor/EclipseStarter.java - gerrit/equinox/rt.equinox.framework - Git at Google

 /*******************************************************************************
  * Copyright (c) 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.core.runtime.adaptor;

 import java.io.*;
 import java.lang.reflect.Constructor;
 import java.net.*;
 import java.util.*;
 import org.eclipse.osgi.framework.adaptor.FrameworkAdaptor;
 import org.eclipse.osgi.framework.internal.core.OSGi;
 import org.osgi.framework.*;
 import org.osgi.service.packageadmin.PackageAdmin;
 import org.osgi.service.startlevel.StartLevel;
 import org.eclipse.osgi.framework.tracker.ServiceTracker;

 public class EclipseStarter {

 	private static BundleContext context;
 	private static String dataLocation = null;
 	private static String configLocation = null;

 	// command line arguments
 	private static final String CONSOLE = "-console"; //$NON-NLS-1$
 	private static final String DEBUG = "-debug"; //$NON-NLS-1$
 	private static final String DEV = "-dev"; //$NON-NLS-1$
 	private static final String WS = "-ws"; //$NON-NLS-1$
 	private static final String OS = "-os"; //$NON-NLS-1$
 	private static final String ARCH = "-arch"; //$NON-NLS-1$
 	private static final String NL = "-nl"; //$NON-NLS-1$
 	private static final String CONFIGURATION = "-configuration"; //$NON-NLS-1$
 	// this is more of an Eclipse argument but this OSGi implementation stores its
 	// metadata alongside Eclipse's.
 	private static final String DATA = "-data"; //$NON-NLS-1$


 	// Constants for configuration location discovery
 	private static final String ECLIPSE = "eclipse"; //$NON-NLS-1$
 	private static final String PRODUCT_SITE_MARKER = ".eclipseproduct"; //$NON-NLS-1$
 	private static final String PRODUCT_SITE_ID = "id"; //$NON-NLS-1$
 	private static final String PRODUCT_SITE_VERSION = "version"; //$NON-NLS-1$

 	/** string containing the classname of the adaptor to be used in this framework instance */
 	protected static String adaptorClassName = "org.eclipse.core.runtime.adaptor.EclipseAdaptor";

 	// Console information
 	protected static final String consoleClassName = "org.eclipse.osgi.framework.internal.core.FrameworkConsole";
 	private static final String CONSOLE_NAME = "OSGi Console";
 	private static String consolePort = "";
 	private static boolean console = false;
 	private static ServiceTracker applicationTracker;

 	public static Object run(String[] args,Runnable endSplashHandler) throws Exception {
 		processCommandLine(args);
 		if (System.getProperty("osgi.bundles") == null)
 			System.getProperties().put("osgi.bundles", "org.eclipse.osgi.services_3.0.0@1,org.eclipse.osgi.util_3.0.0@1,org.eclipse.core.runtime.osgi_3.0.0@2,org.eclipse.update.configurator_3.0.0@3,org.eclipse.core.applicationrunner_3.0.0@5");
 		setInstanceLocation();
 		setConfigurationLocation();
 		FrameworkAdaptor adaptor = null;
 		adaptor = createAdaptor();
 		OSGi osgi = new OSGi(adaptor);
 		if (osgi == null)
 			throw new IllegalStateException("OSGi framework could not be started");
 		osgi.launch();

 		try {
 			if (console)
 				startConsole(osgi, new String[0]);

 			context = osgi.getBundleContext();
 			publishSplashScreen(endSplashHandler);

 			initializeApplicationTracker();
 			loadBundles();
 			// TODO determine how long to wait here
 			Runnable application = (Runnable)applicationTracker.waitForService(9999999999L);
 			applicationTracker.close();
 			if (application == null)
 				throw new IllegalStateException("Unable to acquire application service");
 			application.run();
 		} finally {
 			Bundle systemBundle = context.getBundle(0);
 			if (systemBundle.getState() == Bundle.ACTIVE) {
 				final Semaphore semaphore = new Semaphore(0);
 				FrameworkListener listener = new FrameworkListener() {
 					public void frameworkEvent(FrameworkEvent event) {
 						if (event.getType() == FrameworkEvent.STARTLEVEL_CHANGED)
 							semaphore.release();
 					}

 				};
 				context.addFrameworkListener(listener);
 				systemBundle.stop();
 				semaphore.acquire();
 				context.removeFrameworkListener(listener);
 			}
 		}
 		// TODO for now, if an exception is not thrown from this method, we have to do
 		// the System.exit.  In the future we will update startup.jar to do the System.exit all
 		// the time.
 		String exitCode = System.getProperty("eclipse.exitcode");
 		if (exitCode == null)
 			System.exit(0);
 		try {
 			System.exit(Integer.parseInt(exitCode));
 		} catch (NumberFormatException e) {
 			System.exit(13);
 		}
 		return null;
 	}

 	private static void publishSplashScreen(Runnable endSplashHandler) {
 		// InternalPlatform now how to retrieve this later
 		Dictionary properties = new Hashtable();
 		properties.put("name","splashscreen");
 		context.registerService(Runnable.class.getName(),endSplashHandler,properties);
 	}

 	private static String searchForBundle(String name, String syspath) {
 		String location = "reference:file:"+ syspath +"/"+name;
 		try {
 			URLConnection result = new URL(location).openConnection();
 			result.connect();
 			return location;
 		} catch (IOException e) {
 			int i = location.indexOf('_');
 			return i == -1? location : location.substring(0, i);
 		}
 	}

 	private static String[] loadBundles() {
 		long startTime = System.currentTimeMillis();
 		ServiceReference reference = context.getServiceReference(StartLevel.class.getName());
 		StartLevel start = null;
 		if (reference != null)
 			start = (StartLevel)context.getService(reference);
 		String[] bundles = getArrayFromList(System.getProperty("osgi.bundles"));

 		String syspath = getSysPath();
 		Bundle bundle;
 		Vector installed = new Vector();
 		Vector ignored = new Vector();
 		for (int i = 0; i < bundles.length; i++) {
 			String name = bundles[i];
 			if (name == null)
 				continue;
 			try {
 				int level = -1;
 				int index = name.indexOf('@');
 				if (index >= 0) {
 					String levelString = name.substring(index + 1, name.length());
 					level = Integer.parseInt(levelString);
 					name = name.substring(0, index);
 				}
 				String location = searchForBundle(name, syspath);
 				if (!isInstalled(location)) {
 					bundle = context.installBundle(location);
 					if (level >= 0 && start != null)
 						start.setBundleStartLevel(bundle, level);
 					installed.addElement(bundle);
 				} else
 					ignored.addElement(name);
 			} catch (Exception ex) {
 				System.err.println("Ignoring " + name);
 				ex.printStackTrace();
 				ignored.addElement(name);
 				continue;
 			}
 		}
 		refreshPackages((Bundle[])installed.toArray(new Bundle[installed.size()]));

 		Enumeration e = installed.elements();
 		while (e.hasMoreElements()) {
 			bundle = (Bundle)e.nextElement();
 			try {
 				bundle.start();
 			} catch (BundleException ex) {
 				System.out.println("Error starting " + bundle.getLocation());
 				ex.printStackTrace();
 			}
 		}
 		// TODO remove this constant.  At least set it to the max of 6 and the current value...
 		start.setStartLevel(6);
 		context.ungetService(reference);
 		System.out.println("Time (re)start the framework: " + (System.currentTimeMillis() - startTime));
 		return (String[])ignored.toArray(new String[ignored.size()]);
 	}

 	private static void refreshPackages(Bundle[] bundles) {
 		if (bundles.length == 0)
 			return;
 		ServiceReference packageAdminRef = context.getServiceReference(PackageAdmin.class.getName());
 		PackageAdmin packageAdmin = null;
 		if (packageAdminRef != null) {
 			packageAdmin = (PackageAdmin)context.getService(packageAdminRef);
 			if (packageAdmin == null)
 				return;
 		}
 		// TODO this is such a hack it is silly.  There are still cases for race conditions etc
 		// but this should allow for some progress...
 		final Semaphore semaphore = new Semaphore(0);
 		FrameworkListener listener = new FrameworkListener() {
 			public void frameworkEvent(FrameworkEvent event) {
 				if (event.getType() == FrameworkEvent.PACKAGES_REFRESHED)
 					semaphore.release();
 			}
 		};
 		context.addFrameworkListener(listener);
 		packageAdmin.refreshPackages(bundles);
 		semaphore.acquire();
 		context.removeFrameworkListener(listener);
 		context.ungetService(packageAdminRef);
 	}

 	/**
 	 *  Invokes the OSGi Console on another thread
 	 *
 	 * @param osgi The current OSGi instance for the console to attach to
 	 * @param consoleArgs An String array containing commands from the command line
 	 * for the console to execute
 	 */
 	private static void startConsole(OSGi osgi, String[] consoleArgs) {
 		try {
 			Class consoleClass = Class.forName(consoleClassName);
 			Class[] parameterTypes;
 			Object[] parameters;
 			if (consolePort.length() == 0) {
 				parameterTypes = new Class[] { OSGi.class, String[].class };
 				parameters = new Object[] { osgi, consoleArgs };
 			} else {
 				parameterTypes = new Class[] { OSGi.class, int.class, String[].class };
 				parameters = new Object[] { osgi, new Integer(consolePort), consoleArgs };
 			}
 			Constructor constructor = consoleClass.getConstructor(parameterTypes);
 			Object console = constructor.newInstance(parameters);
 			Thread t = new Thread(((Runnable) console), CONSOLE_NAME);
 			t.start();
 		} catch (NumberFormatException nfe) {
 			System.err.println("Invalid console port: " + consolePort);
 		} catch (Exception ex) {
 			System.out.println("Failed to find/start: " + CONSOLE_NAME);
 		}

 	}

 	/**
 	 *  Creates and returns the adaptor
 	 *
 	 *  @return a FrameworkAdaptor object
 	 */
 	private static FrameworkAdaptor createAdaptor() throws Exception {
 		Class adaptorClass = Class.forName(adaptorClassName);
 		Class[] constructorArgs = new Class[] { String[].class };
 		Constructor constructor = adaptorClass.getConstructor(constructorArgs);
 		return (FrameworkAdaptor) constructor.newInstance(new Object[] { new String[0] });
 	}

 	private static String[] processCommandLine(String[] args) throws Exception {
 		EnvironmentInfo.allArgs = args;
 		int[] configArgs = new int[100];
 		configArgs[0] = -1; // need to initialize the first element to something that could not be an index.
 		int configArgIndex = 0;
 		for (int i = 0; i < args.length; i++) {
 			boolean found = false;
 			// check for args without parameters (i.e., a flag arg)

 			// check if development mode should be enabled for the entire platform
 			// If this is the last arg or there is a following arg (i.e., arg+1 has a leading -),
 			// simply enable development mode.  Otherwise, assume that that the following arg is
 			// actually some additional development time class path entries.  This will be processed below.
 			if (args[i].equalsIgnoreCase(DEV) && ((i + 1 == args.length) || ((i + 1 < args.length) && (args[i + 1].startsWith("-"))))) { //$NON-NLS-1$
 				System.getProperties().put("osgi.dev", "");
 				found = true;
 				continue;
 			}

 			// look for the console with no port.
 			if (args[i].equalsIgnoreCase(CONSOLE)) {
 				console = true;
 				found = true;
 				continue;
 			}

 			if (found) {
 				configArgs[configArgIndex++] = i;
 				continue;
 			}
 			// check for args with parameters. If we are at the last argument or if the next one
 			// has a '-' as the first character, then we can't have an arg with a parm so continue.
 			if (i == args.length - 1 || args[i + 1].startsWith("-")) { //$NON-NLS-1$
 				continue;
 			}
 			String arg = args[++i];

 			// look for the console and port.
 			if (args[i - 1].equalsIgnoreCase(CONSOLE)) {
 				console = true;
 				consolePort = arg;
 				found = true;
 				continue;
 			}

 			// look for the configuraiton location .
 			if (args[i - 1].equalsIgnoreCase(CONFIGURATION)) {
 				configLocation = arg;
 				continue;
 			}

 			// look for the development mode and class path entries.
 			if (args[i - 1].equalsIgnoreCase(DEV)) {
 				System.getProperties().put("osgi.dev", arg);
 				found = true;
 				continue;
 			}

 			// look for the data location for this instance.
 			if (args[i - 1].equalsIgnoreCase(DATA)) {
 				dataLocation = arg;
 				continue;
 			}

 			// look for the debug mode and option file location.
 			if (args[i - 1].equalsIgnoreCase(DEBUG)) {
 				System.getProperties().put("osgi.debug", arg);
 				found = true;
 				continue;
 			}

 			// look for the window system.
 			if (args[i - 1].equalsIgnoreCase(WS)) {
 				found = true;
 				System.getProperties().put("osgi.ws", arg);
 			}

 			// look for the operating system
 			if (args[i - 1].equalsIgnoreCase(OS)) {
 				found = true;
 				System.getProperties().put("osgi.os", arg);
 			}

 			// look for the system architecture
 			if (args[i - 1].equalsIgnoreCase(ARCH)) {
 				found = true;
 				System.getProperties().put("osgi.arch", arg);
 			}

 			// look for the nationality/language
 			if (args[i - 1].equalsIgnoreCase(NL)) {
 				found = true;
 				System.getProperties().put("osgi.nl", arg);
 			}

 			// done checking for args.  Remember where an arg was found
 			if (found) {
 				configArgs[configArgIndex++] = i - 1;
 				configArgs[configArgIndex++] = i;
 			}
 		}

 		// remove all the arguments consumed by this argument parsing
 		if (configArgIndex == 0) {
 			EnvironmentInfo.frameworkArgs = new String[0];
 			EnvironmentInfo.appArgs = args;
 			return args;
 		}
 		EnvironmentInfo.appArgs = new String[args.length - configArgIndex];
 		EnvironmentInfo.frameworkArgs = new String[configArgIndex];
 		configArgIndex = 0;
 		int j = 0;
 		int k = 0;
 		for (int i = 0; i < args.length; i++) {
 			if (i == configArgs[configArgIndex]) {
 				EnvironmentInfo.frameworkArgs[k++] = args[i];
 				configArgIndex++;
 			} else
 				EnvironmentInfo.appArgs[j++] = args[i];
 		}
 		return EnvironmentInfo.appArgs;
 	}

 	/**
 	 * Returns the result of converting a list of comma-separated tokens into an array
 	 *
 	 * @return the array of string tokens
 	 * @param prop the initial comma-separated string
 	 */
 	private static String[] getArrayFromList(String prop) {
 		if (prop == null || prop.trim().equals("")) //$NON-NLS-1$
 			return new String[0];
 		Vector list = new Vector();
 		StringTokenizer tokens = new StringTokenizer(prop, ","); //$NON-NLS-1$
 		while (tokens.hasMoreTokens()) {
 			String token = tokens.nextToken().trim();
 			if (!token.equals("")) //$NON-NLS-1$
 				list.addElement(token);
 		}
 		return list.isEmpty() ? new String[0] : (String[]) list.toArray(new String[list.size()]);
 	}

 	private static String getSysPath() {
 		String result = System.getProperty("osgi.syspath");
 		if (result != null)
 			return result;

 		URL url = EclipseStarter.class.getProtectionDomain().getCodeSource().getLocation();
 		result = url.getFile();
 		if (result.endsWith("/"))
 			result = result.substring(0, result.length() - 1);
 		result = result.substring(0, result.lastIndexOf('/'));
 		result = result.substring(0, result.lastIndexOf('/'));
 		return result;
 	}

 	private static void setInstanceLocation() {
 		File result = null;
 		String location = System.getProperty("osgi.instance.area");
 		// if the instance location is not set, predict where the workspace will be and
 		// put the instance area inside the workspace meta area.
 		if (location == null) {
 			if (dataLocation == null)
 				result = new File(System.getProperty("user.dir"), "workspace");//$NON-NLS-1$ //$NON-NLS-2$
 			else
 				result = new File(dataLocation);
 			result = new File(result, ".metadata/bundles");
 		} else {
 			result = new File(location);
 		}
 		System.getProperties().put("osgi.instance.area", result.getAbsolutePath());
 		System.getProperties().put("org.eclipse.osgi.framework.defaultadaptor.bundledir", result.getAbsolutePath());
 	}

 	private static void setConfigurationLocation() {
 		String location = System.getProperty("osgi.configuration.area");
 		if (location != null) {
 			configLocation = location;
 			if (System.getProperty("osgi.manifest.cache") == null)
 				System.getProperties().put("osgi.manifest.cache", configLocation + "/manifests");
 			return;
 		}
 		// -configuration was not specified so compute a configLocation based on the
 		// install location.  If it is read/write then use it.  Otherwise use the user.dir
 		if (configLocation == null) {
 			configLocation = getDefaultStateLocation() + "/.config";
 			// TODO handle the case where the install location is read only.  Find out
 			// how they do it in the update code and do the same here.
 		} else {
 			// if -configuration was specified, then interpret the config location from the
 			// value given.  Allow for the specification of a config file (.cfg) or a dir.
 			try {
 				configLocation = new URL(configLocation).getFile();
 			} catch (MalformedURLException e) {
 				// TODO do something in the error case
 			}
 			configLocation = configLocation.replace('\\', '/');
 			int index = configLocation.lastIndexOf('/');
 			if (configLocation.endsWith(".cfg") || configLocation.endsWith("/"))
 				configLocation = configLocation.substring(0, index);
 		}
 		System.getProperties().put("osgi.configuration.area", configLocation);
 		if (System.getProperty("osgi.manifest.cache") == null) {
 			System.getProperties().put("osgi.manifest.cache", configLocation + "/manifests");
 		}
 	}

 	private static boolean isInstalled(String location) {
 		Bundle[] installed = context.getBundles();
 		for (int i = 0; i < installed.length; i++) {
 			Bundle bundle = installed[i];
 			if (location.equalsIgnoreCase(bundle.getLocation()))
 				return true;
 		}
 		return false;
 	}

 	private static String getDefaultStateLocation() {
 		// 1) We store the config state relative to the 'eclipse' directory if possible
 		// 2) If this directory is read-only
 		//    we store the state in <user.home>/.eclipse/<application-id>_<version> where <user.home>
 		//    is unique for each local user, and <application-id> is the one
 		//    defined in .eclipseproduct marker file. If .eclipseproduct does not
 		//    exist, use "eclipse" as the application-id.

 		String installProperty = System.getProperty("eclipse.installURL");
 		URL installURL = null;
 		try {
 			installURL = new URL(installProperty);
 		} catch (MalformedURLException e) {
 			// do nothgin here since it is basically impossible to get a bogus url
 		}
 		File installDir = new File(installURL.getFile());
 		if ("file".equals(installURL.getProtocol()) && installDir.canWrite()) { //$NON-NLS-1$
 //			if (DEBUG)
 //				debug("Using the installation directory."); //$NON-NLS-1$
 			return installDir.getAbsolutePath();
 		}

 		// We can't write in the eclipse install dir so try for some place in the user's home dir
 //		if (DEBUG)
 //			debug("Using the user.home location."); //$NON-NLS-1$
 		String appName = "." + ECLIPSE; //$NON-NLS-1$
 		File eclipseProduct = new File(installDir, PRODUCT_SITE_MARKER );
 		if (eclipseProduct.exists()) {
 			Properties props = new Properties();
 			try {
 				props.load(new FileInputStream(eclipseProduct));
 				String appId = props.getProperty(PRODUCT_SITE_ID);
 				if (appId == null || appId.trim().length() == 0)
 					appId = ECLIPSE;
 				String appVersion = props.getProperty(PRODUCT_SITE_VERSION);
 				if (appVersion == null || appVersion.trim().length() == 0)
 					appVersion = ""; //$NON-NLS-1$
 				appName += File.separator + appId + "_" + appVersion; //$NON-NLS-1$
 			} catch (IOException e) {
 				// Do nothing if we get an exception.  We will default to a standard location
 				// in the user's home dir.
 			}
 		}

 		String userHome = System.getProperty("user.home"); //$NON-NLS-1$
 		File configDir = new File(userHome, appName);
 		configDir.mkdirs();
 		return configDir.getAbsolutePath();
 	}

 	private static void initializeApplicationTracker() {
 		Filter filter = null;
 		try {
 			filter = context.createFilter("(&(objectClass=java.lang.Runnable)(eclipse.application=*))");
 		} catch (InvalidSyntaxException e) {
 			// ignore this.  It should never happen as we have tested the above format.
 			e.printStackTrace();
 		}
 		applicationTracker = new ServiceTracker(context, filter, null);
 		applicationTracker.open();
 	}
 }
	/*******************************************************************************
	* Copyright (c) 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.core.runtime.adaptor;

	import java.io.*;
	import java.lang.reflect.Constructor;
	import java.net.*;
	import java.util.*;
	import org.eclipse.osgi.framework.adaptor.FrameworkAdaptor;
	import org.eclipse.osgi.framework.internal.core.OSGi;
	import org.osgi.framework.*;
	import org.osgi.service.packageadmin.PackageAdmin;
	import org.osgi.service.startlevel.StartLevel;
	import org.eclipse.osgi.framework.tracker.ServiceTracker;

	public class EclipseStarter {

	private static BundleContext context;
	private static String dataLocation = null;
	private static String configLocation = null;

	// command line arguments
	private static final String CONSOLE = "-console"; //$NON-NLS-1$
	private static final String DEBUG = "-debug"; //$NON-NLS-1$
	private static final String DEV = "-dev"; //$NON-NLS-1$
	private static final String WS = "-ws"; //$NON-NLS-1$
	private static final String OS = "-os"; //$NON-NLS-1$
	private static final String ARCH = "-arch"; //$NON-NLS-1$
	private static final String NL = "-nl"; //$NON-NLS-1$
	private static final String CONFIGURATION = "-configuration"; //$NON-NLS-1$
	// this is more of an Eclipse argument but this OSGi implementation stores its
	// metadata alongside Eclipse's.
	private static final String DATA = "-data"; //$NON-NLS-1$


	// Constants for configuration location discovery
	private static final String ECLIPSE = "eclipse"; //$NON-NLS-1$
	private static final String PRODUCT_SITE_MARKER = ".eclipseproduct"; //$NON-NLS-1$
	private static final String PRODUCT_SITE_ID = "id"; //$NON-NLS-1$
	private static final String PRODUCT_SITE_VERSION = "version"; //$NON-NLS-1$

	/** string containing the classname of the adaptor to be used in this framework instance */
	protected static String adaptorClassName = "org.eclipse.core.runtime.adaptor.EclipseAdaptor";

	// Console information
	protected static final String consoleClassName = "org.eclipse.osgi.framework.internal.core.FrameworkConsole";
	private static final String CONSOLE_NAME = "OSGi Console";
	private static String consolePort = "";
	private static boolean console = false;
	private static ServiceTracker applicationTracker;

	public static Object run(String[] args,Runnable endSplashHandler) throws Exception {
	processCommandLine(args);
	if (System.getProperty("osgi.bundles") == null)
	System.getProperties().put("osgi.bundles", "org.eclipse.osgi.services_3.0.0@1,org.eclipse.osgi.util_3.0.0@1,org.eclipse.core.runtime.osgi_3.0.0@2,org.eclipse.update.configurator_3.0.0@3,org.eclipse.core.applicationrunner_3.0.0@5");
	setInstanceLocation();
	setConfigurationLocation();
	FrameworkAdaptor adaptor = null;
	adaptor = createAdaptor();
	OSGi osgi = new OSGi(adaptor);
	if (osgi == null)
	throw new IllegalStateException("OSGi framework could not be started");
	osgi.launch();

	try {
	if (console)
	startConsole(osgi, new String[0]);

	context = osgi.getBundleContext();
	publishSplashScreen(endSplashHandler);

	initializeApplicationTracker();
	loadBundles();
	// TODO determine how long to wait here
	Runnable application = (Runnable)applicationTracker.waitForService(9999999999L);
	applicationTracker.close();
	if (application == null)
	throw new IllegalStateException("Unable to acquire application service");
	application.run();
	} finally {
	Bundle systemBundle = context.getBundle(0);
	if (systemBundle.getState() == Bundle.ACTIVE) {
	final Semaphore semaphore = new Semaphore(0);
	FrameworkListener listener = new FrameworkListener() {
	public void frameworkEvent(FrameworkEvent event) {
	if (event.getType() == FrameworkEvent.STARTLEVEL_CHANGED)
	semaphore.release();
	}

	};
	context.addFrameworkListener(listener);
	systemBundle.stop();
	semaphore.acquire();
	context.removeFrameworkListener(listener);
	}
	}
	// TODO for now, if an exception is not thrown from this method, we have to do
	// the System.exit. In the future we will update startup.jar to do the System.exit all
	// the time.
	String exitCode = System.getProperty("eclipse.exitcode");
	if (exitCode == null)
	System.exit(0);
	try {
	System.exit(Integer.parseInt(exitCode));
	} catch (NumberFormatException e) {
	System.exit(13);
	}
	return null;
	}

	private static void publishSplashScreen(Runnable endSplashHandler) {
	// InternalPlatform now how to retrieve this later
	Dictionary properties = new Hashtable();
	properties.put("name","splashscreen");
	context.registerService(Runnable.class.getName(),endSplashHandler,properties);
	}

	private static String searchForBundle(String name, String syspath) {
	String location = "reference:file:"+ syspath +"/"+name;
	try {
	URLConnection result = new URL(location).openConnection();
	result.connect();
	return location;
	} catch (IOException e) {
	int i = location.indexOf('_');
	return i == -1? location : location.substring(0, i);
	}
	}

	private static String[] loadBundles() {
	long startTime = System.currentTimeMillis();
	ServiceReference reference = context.getServiceReference(StartLevel.class.getName());
	StartLevel start = null;
	if (reference != null)
	start = (StartLevel)context.getService(reference);
	String[] bundles = getArrayFromList(System.getProperty("osgi.bundles"));

	String syspath = getSysPath();
	Bundle bundle;
	Vector installed = new Vector();
	Vector ignored = new Vector();
	for (int i = 0; i < bundles.length; i++) {
	String name = bundles[i];
	if (name == null)
	continue;
	try {
	int level = -1;
	int index = name.indexOf('@');
	if (index >= 0) {
	String levelString = name.substring(index + 1, name.length());
	level = Integer.parseInt(levelString);
	name = name.substring(0, index);
	}
	String location = searchForBundle(name, syspath);
	if (!isInstalled(location)) {
	bundle = context.installBundle(location);
	if (level >= 0 && start != null)
	start.setBundleStartLevel(bundle, level);
	installed.addElement(bundle);
	} else
	ignored.addElement(name);
	} catch (Exception ex) {
	System.err.println("Ignoring " + name);
	ex.printStackTrace();
	ignored.addElement(name);
	continue;
	}
	}
	refreshPackages((Bundle[])installed.toArray(new Bundle[installed.size()]));

	Enumeration e = installed.elements();
	while (e.hasMoreElements()) {
	bundle = (Bundle)e.nextElement();
	try {
	bundle.start();
	} catch (BundleException ex) {
	System.out.println("Error starting " + bundle.getLocation());
	ex.printStackTrace();
	}
	}
	// TODO remove this constant. At least set it to the max of 6 and the current value...
	start.setStartLevel(6);
	context.ungetService(reference);
	System.out.println("Time (re)start the framework: " + (System.currentTimeMillis() - startTime));
	return (String[])ignored.toArray(new String[ignored.size()]);
	}

	private static void refreshPackages(Bundle[] bundles) {
	if (bundles.length == 0)
	return;
	ServiceReference packageAdminRef = context.getServiceReference(PackageAdmin.class.getName());
	PackageAdmin packageAdmin = null;
	if (packageAdminRef != null) {
	packageAdmin = (PackageAdmin)context.getService(packageAdminRef);
	if (packageAdmin == null)
	return;
	}
	// TODO this is such a hack it is silly. There are still cases for race conditions etc
	// but this should allow for some progress...
	final Semaphore semaphore = new Semaphore(0);
	FrameworkListener listener = new FrameworkListener() {
	public void frameworkEvent(FrameworkEvent event) {
	if (event.getType() == FrameworkEvent.PACKAGES_REFRESHED)
	semaphore.release();
	}
	};
	context.addFrameworkListener(listener);
	packageAdmin.refreshPackages(bundles);
	semaphore.acquire();
	context.removeFrameworkListener(listener);
	context.ungetService(packageAdminRef);
	}

	/**
	* Invokes the OSGi Console on another thread
	*
	* @param osgi The current OSGi instance for the console to attach to
	* @param consoleArgs An String array containing commands from the command line
	* for the console to execute
	*/
	private static void startConsole(OSGi osgi, String[] consoleArgs) {
	try {
	Class consoleClass = Class.forName(consoleClassName);
	Class[] parameterTypes;
	Object[] parameters;
	if (consolePort.length() == 0) {
	parameterTypes = new Class[] { OSGi.class, String[].class };
	parameters = new Object[] { osgi, consoleArgs };
	} else {
	parameterTypes = new Class[] { OSGi.class, int.class, String[].class };
	parameters = new Object[] { osgi, new Integer(consolePort), consoleArgs };
	}
	Constructor constructor = consoleClass.getConstructor(parameterTypes);
	Object console = constructor.newInstance(parameters);
	Thread t = new Thread(((Runnable) console), CONSOLE_NAME);
	t.start();
	} catch (NumberFormatException nfe) {
	System.err.println("Invalid console port: " + consolePort);
	} catch (Exception ex) {
	System.out.println("Failed to find/start: " + CONSOLE_NAME);
	}

	}

	/**
	* Creates and returns the adaptor
	*
	* @return a FrameworkAdaptor object
	*/
	private static FrameworkAdaptor createAdaptor() throws Exception {
	Class adaptorClass = Class.forName(adaptorClassName);
	Class[] constructorArgs = new Class[] { String[].class };
	Constructor constructor = adaptorClass.getConstructor(constructorArgs);
	return (FrameworkAdaptor) constructor.newInstance(new Object[] { new String[0] });
	}

	private static String[] processCommandLine(String[] args) throws Exception {
	EnvironmentInfo.allArgs = args;
	int[] configArgs = new int[100];
	configArgs[0] = -1; // need to initialize the first element to something that could not be an index.
	int configArgIndex = 0;
	for (int i = 0; i < args.length; i++) {
	boolean found = false;
	// check for args without parameters (i.e., a flag arg)

	// check if development mode should be enabled for the entire platform
	// If this is the last arg or there is a following arg (i.e., arg+1 has a leading -),
	// simply enable development mode. Otherwise, assume that that the following arg is
	// actually some additional development time class path entries. This will be processed below.
	if (args[i].equalsIgnoreCase(DEV) && ((i + 1 == args.length) \|\| ((i + 1 < args.length) && (args[i + 1].startsWith("-"))))) { //$NON-NLS-1$
	System.getProperties().put("osgi.dev", "");
	found = true;
	continue;
	}

	// look for the console with no port.
	if (args[i].equalsIgnoreCase(CONSOLE)) {
	console = true;
	found = true;
	continue;
	}

	if (found) {
	configArgs[configArgIndex++] = i;
	continue;
	}
	// check for args with parameters. If we are at the last argument or if the next one
	// has a '-' as the first character, then we can't have an arg with a parm so continue.
	if (i == args.length - 1 \|\| args[i + 1].startsWith("-")) { //$NON-NLS-1$
	continue;
	}
	String arg = args[++i];

	// look for the console and port.
	if (args[i - 1].equalsIgnoreCase(CONSOLE)) {
	console = true;
	consolePort = arg;
	found = true;
	continue;
	}

	// look for the configuraiton location .
	if (args[i - 1].equalsIgnoreCase(CONFIGURATION)) {
	configLocation = arg;
	continue;
	}

	// look for the development mode and class path entries.
	if (args[i - 1].equalsIgnoreCase(DEV)) {
	System.getProperties().put("osgi.dev", arg);
	found = true;
	continue;
	}

	// look for the data location for this instance.
	if (args[i - 1].equalsIgnoreCase(DATA)) {
	dataLocation = arg;
	continue;
	}

	// look for the debug mode and option file location.
	if (args[i - 1].equalsIgnoreCase(DEBUG)) {
	System.getProperties().put("osgi.debug", arg);
	found = true;
	continue;
	}

	// look for the window system.
	if (args[i - 1].equalsIgnoreCase(WS)) {
	found = true;
	System.getProperties().put("osgi.ws", arg);
	}

	// look for the operating system
	if (args[i - 1].equalsIgnoreCase(OS)) {
	found = true;
	System.getProperties().put("osgi.os", arg);
	}

	// look for the system architecture
	if (args[i - 1].equalsIgnoreCase(ARCH)) {
	found = true;
	System.getProperties().put("osgi.arch", arg);
	}

	// look for the nationality/language
	if (args[i - 1].equalsIgnoreCase(NL)) {
	found = true;
	System.getProperties().put("osgi.nl", arg);
	}

	// done checking for args. Remember where an arg was found
	if (found) {
	configArgs[configArgIndex++] = i - 1;
	configArgs[configArgIndex++] = i;
	}
	}

	// remove all the arguments consumed by this argument parsing
	if (configArgIndex == 0) {
	EnvironmentInfo.frameworkArgs = new String[0];
	EnvironmentInfo.appArgs = args;
	return args;
	}
	EnvironmentInfo.appArgs = new String[args.length - configArgIndex];
	EnvironmentInfo.frameworkArgs = new String[configArgIndex];
	configArgIndex = 0;
	int j = 0;
	int k = 0;
	for (int i = 0; i < args.length; i++) {
	if (i == configArgs[configArgIndex]) {
	EnvironmentInfo.frameworkArgs[k++] = args[i];
	configArgIndex++;
	} else
	EnvironmentInfo.appArgs[j++] = args[i];
	}
	return EnvironmentInfo.appArgs;
	}

	/**
	* Returns the result of converting a list of comma-separated tokens into an array
	*
	* @return the array of string tokens
	* @param prop the initial comma-separated string
	*/
	private static String[] getArrayFromList(String prop) {
	if (prop == null \|\| prop.trim().equals("")) //$NON-NLS-1$
	return new String[0];
	Vector list = new Vector();
	StringTokenizer tokens = new StringTokenizer(prop, ","); //$NON-NLS-1$
	while (tokens.hasMoreTokens()) {
	String token = tokens.nextToken().trim();
	if (!token.equals("")) //$NON-NLS-1$
	list.addElement(token);
	}
	return list.isEmpty() ? new String[0] : (String[]) list.toArray(new String[list.size()]);
	}

	private static String getSysPath() {
	String result = System.getProperty("osgi.syspath");
	if (result != null)
	return result;

	URL url = EclipseStarter.class.getProtectionDomain().getCodeSource().getLocation();
	result = url.getFile();
	if (result.endsWith("/"))
	result = result.substring(0, result.length() - 1);
	result = result.substring(0, result.lastIndexOf('/'));
	result = result.substring(0, result.lastIndexOf('/'));
	return result;
	}

	private static void setInstanceLocation() {
	File result = null;
	String location = System.getProperty("osgi.instance.area");
	// if the instance location is not set, predict where the workspace will be and
	// put the instance area inside the workspace meta area.
	if (location == null) {
	if (dataLocation == null)
	result = new File(System.getProperty("user.dir"), "workspace");//$NON-NLS-1$ //$NON-NLS-2$
	else
	result = new File(dataLocation);
	result = new File(result, ".metadata/bundles");
	} else {
	result = new File(location);
	}
	System.getProperties().put("osgi.instance.area", result.getAbsolutePath());
	System.getProperties().put("org.eclipse.osgi.framework.defaultadaptor.bundledir", result.getAbsolutePath());
	}

	private static void setConfigurationLocation() {
	String location = System.getProperty("osgi.configuration.area");
	if (location != null) {
	configLocation = location;
	if (System.getProperty("osgi.manifest.cache") == null)
	System.getProperties().put("osgi.manifest.cache", configLocation + "/manifests");
	return;
	}
	// -configuration was not specified so compute a configLocation based on the
	// install location. If it is read/write then use it. Otherwise use the user.dir
	if (configLocation == null) {
	configLocation = getDefaultStateLocation() + "/.config";
	// TODO handle the case where the install location is read only. Find out
	// how they do it in the update code and do the same here.
	} else {
	// if -configuration was specified, then interpret the config location from the
	// value given. Allow for the specification of a config file (.cfg) or a dir.
	try {
	configLocation = new URL(configLocation).getFile();
	} catch (MalformedURLException e) {
	// TODO do something in the error case
	}
	configLocation = configLocation.replace('\\', '/');
	int index = configLocation.lastIndexOf('/');
	if (configLocation.endsWith(".cfg") \|\| configLocation.endsWith("/"))
	configLocation = configLocation.substring(0, index);
	}
	System.getProperties().put("osgi.configuration.area", configLocation);
	if (System.getProperty("osgi.manifest.cache") == null) {
	System.getProperties().put("osgi.manifest.cache", configLocation + "/manifests");
	}
	}

	private static boolean isInstalled(String location) {
	Bundle[] installed = context.getBundles();
	for (int i = 0; i < installed.length; i++) {
	Bundle bundle = installed[i];
	if (location.equalsIgnoreCase(bundle.getLocation()))
	return true;
	}
	return false;
	}

	private static String getDefaultStateLocation() {
	// 1) We store the config state relative to the 'eclipse' directory if possible
	// 2) If this directory is read-only
	// we store the state in <user.home>/.eclipse/<application-id>_<version> where <user.home>
	// is unique for each local user, and <application-id> is the one
	// defined in .eclipseproduct marker file. If .eclipseproduct does not
	// exist, use "eclipse" as the application-id.

	String installProperty = System.getProperty("eclipse.installURL");
	URL installURL = null;
	try {
	installURL = new URL(installProperty);
	} catch (MalformedURLException e) {
	// do nothgin here since it is basically impossible to get a bogus url
	}
	File installDir = new File(installURL.getFile());
	if ("file".equals(installURL.getProtocol()) && installDir.canWrite()) { //$NON-NLS-1$
	// if (DEBUG)
	// debug("Using the installation directory."); //$NON-NLS-1$
	return installDir.getAbsolutePath();
	}

	// We can't write in the eclipse install dir so try for some place in the user's home dir
	// if (DEBUG)
	// debug("Using the user.home location."); //$NON-NLS-1$
	String appName = "." + ECLIPSE; //$NON-NLS-1$
	File eclipseProduct = new File(installDir, PRODUCT_SITE_MARKER );
	if (eclipseProduct.exists()) {
	Properties props = new Properties();
	try {
	props.load(new FileInputStream(eclipseProduct));
	String appId = props.getProperty(PRODUCT_SITE_ID);
	if (appId == null \|\| appId.trim().length() == 0)
	appId = ECLIPSE;
	String appVersion = props.getProperty(PRODUCT_SITE_VERSION);
	if (appVersion == null \|\| appVersion.trim().length() == 0)
	appVersion = ""; //$NON-NLS-1$
	appName += File.separator + appId + "_" + appVersion; //$NON-NLS-1$
	} catch (IOException e) {
	// Do nothing if we get an exception. We will default to a standard location
	// in the user's home dir.
	}
	}

	String userHome = System.getProperty("user.home"); //$NON-NLS-1$
	File configDir = new File(userHome, appName);
	configDir.mkdirs();
	return configDir.getAbsolutePath();
	}

	private static void initializeApplicationTracker() {
	Filter filter = null;
	try {
	filter = context.createFilter("(&(objectClass=java.lang.Runnable)(eclipse.application=*))");
	} catch (InvalidSyntaxException e) {
	// ignore this. It should never happen as we have tested the above format.
	e.printStackTrace();
	}
	applicationTracker = new ServiceTracker(context, filter, null);
	applicationTracker.open();
	}
	}