bundles/org.eclipse.equinox.frameworkadmin.equinox/src/org/eclipse/equinox/internal/frameworkadmin/equinox/EquinoxFwConfigFileParser.java - equinox/rt.equinox.p2 - Git at Google

 /*******************************************************************************
  * Copyright (c) 2007, 2008 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.equinox.internal.frameworkadmin.equinox;

 import java.io.*;
 import java.net.MalformedURLException;
 import java.net.URL;
 import java.util.Enumeration;
 import java.util.Properties;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.Path;
 import org.eclipse.equinox.internal.frameworkadmin.equinox.utils.FileUtils;
 import org.eclipse.equinox.internal.frameworkadmin.utils.Utils;
 import org.eclipse.equinox.internal.provisional.frameworkadmin.*;
 import org.eclipse.osgi.util.NLS;
 import org.osgi.framework.BundleContext;
 import org.osgi.service.log.LogService;

 public class EquinoxFwConfigFileParser {
 	private static final String CONFIG_DIR = "@config.dir/"; //$NON-NLS-1$
 	private static final String KEY_ECLIPSE_PROV_CACHE = "eclipse.p2.cache"; //$NON-NLS-1$
 	private static final String KEY_ECLIPSE_PROV_DATA_AREA = "eclipse.p2.data.area"; //$NON-NLS-1$
 	private static final String KEY_ORG_ECLIPSE_EQUINOX_SIMPLECONFIGURATOR_CONFIGURL = "org.eclipse.equinox.simpleconfigurator.configUrl"; //$NON-NLS-1$
 	private static final String KEY_OSGI_BUNDLES = "osgi.bundles"; //$NON-NLS-1$
 	private static final String KEY_OSGI_FRAMEWORK = "osgi.framework"; //$NON-NLS-1$
 	private static final String KEY_OSGI_LAUNCHER_PATH = "osgi.launcherPath"; //$NON-NLS-1$
 	private static final String[] PATHS = new String[] {KEY_OSGI_LAUNCHER_PATH, KEY_ECLIPSE_PROV_CACHE};

 	private static boolean DEBUG = false;
 	private static String USE_REFERENCE_STRING = null;

 	public EquinoxFwConfigFileParser(BundleContext context) {
 		if (context != null)
 			USE_REFERENCE_STRING = context.getProperty(EquinoxConstants.PROP_KEY_USE_REFERENCE);

 	}

 	private static String getCommandLine(BundleInfo bundleInfo, final URL baseUrl) {
 		String location = bundleInfo.getLocation();
 		if (location == null)
 			return null;
 		boolean useReference = true;
 		if (location.startsWith("file:")) { //$NON-NLS-1$
 			if (USE_REFERENCE_STRING != null && USE_REFERENCE_STRING.equals("false")) //$NON-NLS-1$
 				useReference = false;
 		}

 		try {
 			new URL(location);
 		} catch (MalformedURLException e) {
 			Log.log(LogService.LOG_ERROR, "EquinoxFwConfigFileParser.getCommandLine():bundleInfo=" + bundleInfo, e); //$NON-NLS-1$
 			//			Never happen. ignore.
 		}
 		if (useReference)
 			if (!location.startsWith("reference:")) //$NON-NLS-1$
 				location = "reference:" + location; //$NON-NLS-1$

 		int startLevel = bundleInfo.getStartLevel();
 		boolean toBeStarted = bundleInfo.isMarkedAsStarted();

 		StringBuffer sb = new StringBuffer();
 		//		if (baseUrl != null && bundleUrl.getProtocol().equals("file")) {
 		//			String bundlePath = bundleUrl.toString();
 		//			bundlePath = Utils.getRelativePath(bundleUrl, baseUrl);
 		//			sb.append(bundlePath);
 		//		} else
 		sb.append(location);
 		if (startLevel == BundleInfo.NO_LEVEL && !toBeStarted)
 			return sb.toString();
 		sb.append('@');
 		if (startLevel != BundleInfo.NO_LEVEL)
 			sb.append(startLevel);
 		if (toBeStarted)
 			sb.append(":start"); //$NON-NLS-1$
 		return sb.toString();
 	}

 	private static Properties getConfigProps(BundleInfo[] bInfos, ConfigData configData, LauncherData launcherData, boolean relative, File fwJar) {
 		Properties props = new Properties();

 		if (configData.getInitialBundleStartLevel() != BundleInfo.NO_LEVEL)
 			props.setProperty(EquinoxConstants.PROP_BUNDLES_STARTLEVEL, Integer.toString(configData.getInitialBundleStartLevel()));
 		if (configData.getBeginingFwStartLevel() != BundleInfo.NO_LEVEL)
 			props.setProperty(EquinoxConstants.PROP_INITIAL_STARTLEVEL, Integer.toString(configData.getBeginingFwStartLevel()));

 		final File launcher = launcherData.getLauncher();
 		if (launcher != null) {
 			String launcherName = launcher.getName();
 			if (launcherName.endsWith(EquinoxConstants.EXE_EXTENSION)) {
 				props.setProperty(EquinoxConstants.PROP_LAUNCHER_NAME, launcherName.substring(0, launcherName.lastIndexOf(EquinoxConstants.EXE_EXTENSION)));
 				props.setProperty(EquinoxConstants.PROP_LAUNCHER_PATH, launcher.getParentFile().getAbsolutePath());
 			}
 		}

 		String fwJarSt = null;
 		try {
 			if (fwJar != null) {
 				fwJarSt = fwJar.toURL().toExternalForm();
 			}
 		} catch (MalformedURLException e) {
 			// Never happens
 			e.printStackTrace();
 		}

 		if (bInfos != null) {
 			StringBuffer sb = new StringBuffer();
 			for (int i = 0; i < bInfos.length; i++) {
 				normalizeLocation(bInfos[i]);
 				if (fwJarSt != null && fwJarSt.equals(bInfos[i].getLocation()))
 					continue; //framework jar should not appear in the bundles list
 				sb.append(getCommandLine(bInfos[i], null));
 				if (i + 1 < bInfos.length)
 					sb.append(',');
 			}
 			props.setProperty(EquinoxConstants.PROP_BUNDLES, sb.toString());

 		}
 		//TODO The following merging operations are suspicious.
 		props = Utils.appendProperties(props, configData.getFwIndependentProps());

 		props = Utils.appendProperties(props, configData.getFwDependentProps());

 		//Deal with the fw jar and ensure it is not set.
 		//TODO This can't be done before because of the previous calls to appendProperties
 		if (fwJarSt != null)
 			props.setProperty(EquinoxConstants.PROP_OSGI_FW, fwJarSt /* fwJar.getAbsolutePath() */);
 		else
 			props.remove(EquinoxConstants.PROP_OSGI_FW);

 		return props;
 	}

 	private static boolean getMarkedAsStartedFormat(String msg, String original) {
 		if (msg == null)
 			return false;
 		msg = msg.trim();
 		int colon = msg.indexOf(":"); //$NON-NLS-1$
 		if (colon > -1) {
 			return msg.substring(colon + 1).equals("start"); //$NON-NLS-1$
 		}
 		return msg.equals("start"); //$NON-NLS-1$
 	}

 	private static int getStartLevel(String msg, String original) {
 		if (msg == null)
 			return BundleInfo.NO_LEVEL;
 		msg = msg.trim();
 		int colon = msg.indexOf(":"); //$NON-NLS-1$
 		if (colon > 0) {
 			try {
 				return Integer.parseInt(msg.substring(0, colon));
 			} catch (NumberFormatException e) {
 				return BundleInfo.NO_LEVEL;
 			}
 		}
 		return BundleInfo.NO_LEVEL;
 	}

 	static boolean isFwDependent(String key) {
 		// TODO This algorithm is temporal.
 		if (key.startsWith(EquinoxConstants.PROP_EQUINOX_DEPENDENT_PREFIX))
 			return true;
 		return false;
 	}

 	private static void normalizeLocation(BundleInfo bInfo) {
 		String location = bInfo.getLocation();
 		try {
 			if (location.startsWith("file:")) { //$NON-NLS-1$
 				bInfo.setLocation(new URL(location).toExternalForm());
 			} else {
 				bInfo.setLocation(new File(location).toURL().toExternalForm());
 			}
 		} catch (MalformedURLException e) {
 			// TODO Auto-generated catch block
 			e.printStackTrace();
 		}
 		//			location = location.substring("file:".length());
 		//			if (!location.startsWith("/"))
 		//				location = "/" + location;
 		//			//		if (fwJarSt != null)
 		//			//			if (fwJarSt.equals(location))
 		//			//				continue;
 		//			location = Utils.replaceAll(location, File.separator, "/");
 		//			//String jarName = location.substring(location.lastIndexOf("/") + 1);
 		//			//		if (jarName.startsWith(EquinoxConstants.FW_JAR_PLUGIN_NAME))
 		//			//			continue;
 		//			bInfo.setLocation("file:" + location);
 		//		}
 	}

 	/**
 	 * @param value
 	 */
 	private static void setInstallingBundles(Manipulator manipulator, String value) throws NumberFormatException {
 		ConfigData configData = manipulator.getConfigData();
 		if (value != null) {
 			String[] bInfoStrings = Utils.getTokens(value, ","); //$NON-NLS-1$
 			for (int i = 0; i < bInfoStrings.length; i++) {
 				String token = bInfoStrings[i].trim();
 				token = FileUtils.getRealLocation(manipulator, token, false).trim();

 				int indexI = token.indexOf("@"); //$NON-NLS-1$
 				String location = (indexI == -1) ? token : token.substring(0, indexI);
 				String realLocation = FileUtils.getEclipseRealLocation(manipulator, location);
 				String slAndFlag = (indexI > -1) ? token.substring(indexI + 1) : null;

 				boolean markedAsStarted = getMarkedAsStartedFormat(slAndFlag, token);
 				int startLevel = getStartLevel(slAndFlag, token);

 				if (realLocation != null)
 					configData.addBundle(new BundleInfo(realLocation, startLevel, markedAsStarted));
 				else
 					configData.addBundle(new BundleInfo(location, null, null, startLevel, markedAsStarted));
 			}
 		}
 	}

 	/**
 	 * inputFile must be not a directory but a file.
 	 *
 	 * @param manipulator
 	 * @param inputFile
 	 * @throws IOException
 	 */
 	public void readFwConfig(Manipulator manipulator, File inputFile) throws IOException {
 		if (inputFile.isDirectory())
 			throw new IllegalArgumentException(NLS.bind(Messages.exception_inputFileIsDirectory, inputFile));

 		//Initialize data structures
 		ConfigData configData = manipulator.getConfigData();
 		LauncherData launcherData = manipulator.getLauncherData();
 		configData.initialize();

 		//Load properties
 		Properties props = new Properties();
 		InputStream is = null;
 		try {
 			is = new FileInputStream(inputFile);
 			props.load(is);
 		} finally {
 			try {
 				is.close();
 			} catch (IOException e) {
 				e.printStackTrace();
 			}
 			is = null;
 		}

 		//Start figuring out stuffs
 		URL rootURL = launcherData.getLauncher() != null ? launcherData.getLauncher().getParentFile().toURL() : null;

 		//Extracting fwkJar location needs to be done first
 		String launcherName = null;
 		String launcherPath = null;
 		configData.setBundles(null);

 		File fwJar = null;
 		if (props.getProperty(EquinoxConstants.PROP_OSGI_FW) != null) {
 			props.setProperty(KEY_OSGI_FRAMEWORK, EquinoxManipulatorImpl.makeAbsolute(props.getProperty(EquinoxConstants.PROP_OSGI_FW), getOSGiInstallArea(launcherData).toURL()));
 			String fwJarString = props.getProperty(KEY_OSGI_FRAMEWORK);
 			if (fwJarString != null) {
 				fwJar = new File(new URL(fwJarString).getFile());
 				launcherData.setFwJar(fwJar);
 				configData.addBundle(new BundleInfo(fwJarString));
 			}
 		}

 		props = makeAbsolute(props, rootURL, fwJar, inputFile.getParentFile(), getOSGiInstallArea(manipulator.getLauncherData()));
 		for (Enumeration enumeration = props.keys(); enumeration.hasMoreElements();) {
 			String key = (String) enumeration.nextElement();
 			String value = props.getProperty(key);
 			if (key.equals(EquinoxConstants.PROP_BUNDLES_STARTLEVEL))
 				configData.setInitialBundleStartLevel(Integer.parseInt(value));
 			else if (key.equals(EquinoxConstants.PROP_INITIAL_STARTLEVEL)) {
 				configData.setBeginningFwStartLevel(Integer.parseInt(value));
 			} else if (key.equals(EquinoxConstants.PROP_BUNDLES)) {
 				setInstallingBundles(manipulator, value);
 			} else {
 				if (isFwDependent(key)) {
 					configData.setFwDependentProp(key, value);
 				} else
 					configData.setFwIndependentProp(key, value);
 				if (key.equals(EquinoxConstants.PROP_LAUNCHER_NAME))
 					if (launcherData.getLauncher() == null)
 						launcherName = value;
 				if (key.equals(EquinoxConstants.PROP_LAUNCHER_PATH))
 					if (launcherData.getLauncher() == null)
 						launcherPath = value;
 			}
 		}
 		if (launcherName != null && launcherPath != null) {
 			launcherData.setLauncher(new File(launcherPath, launcherName + EquinoxConstants.EXE_EXTENSION));
 		}

 		Log.log(LogService.LOG_INFO, NLS.bind(Messages.log_configFile, inputFile.getAbsolutePath()));
 	}

 	private static Properties makeRelative(Properties props, URL rootURL, File fwJar, File configArea, File osgiInstallArea) throws IOException {
 		for (int i = 0; i < PATHS.length; i++) {
 			String path = props.getProperty(PATHS[i]);
 			if (path != null)
 				props.put(PATHS[i], EquinoxManipulatorImpl.makeRelative(path, rootURL.getFile()));
 		}

 		if (props.getProperty(KEY_OSGI_FRAMEWORK) != null && osgiInstallArea != null) {
 			props.put(KEY_OSGI_FRAMEWORK, EquinoxManipulatorImpl.makeRelative(props.getProperty(KEY_OSGI_FRAMEWORK), osgiInstallArea.toURL()));
 		}

 		if (props.getProperty(KEY_ORG_ECLIPSE_EQUINOX_SIMPLECONFIGURATOR_CONFIGURL) != null) {
 			props.put(KEY_ORG_ECLIPSE_EQUINOX_SIMPLECONFIGURATOR_CONFIGURL, EquinoxManipulatorImpl.makeRelative(props.getProperty(KEY_ORG_ECLIPSE_EQUINOX_SIMPLECONFIGURATOR_CONFIGURL), configArea.toURL()));
 		}

 		if (props.getProperty(KEY_ECLIPSE_PROV_DATA_AREA) != null) {
 			String url = props.getProperty(KEY_ECLIPSE_PROV_DATA_AREA);
 			if (url != null) {
 				String result = EquinoxManipulatorImpl.makeRelative(url, configArea.toURL());
 				//We only relativize up to the level where the p2 and config folder are siblings (e.g. foo/p2 and foo/config)
 				if (result.startsWith("file:../..")) //$NON-NLS-1$
 					result = url;
 				else if (!result.equals(url) && result.startsWith("file:")) //$NON-NLS-1$
 					result = CONFIG_DIR + result.substring(5);
 				props.put(KEY_ECLIPSE_PROV_DATA_AREA, result);
 			}
 		}

 		String value = props.getProperty(KEY_OSGI_BUNDLES);
 		if (value != null && fwJar != null) {
 			File parent = fwJar.getParentFile();
 			if (parent != null)
 				props.setProperty(KEY_OSGI_BUNDLES, EquinoxManipulatorImpl.makeArrayRelative(value, parent.toURL()));
 		}
 		return props;
 	}

 	private static Properties makeAbsolute(Properties props, URL rootURL, File fwJar, File configArea, File osgiInstallArea) throws IOException {
 		for (int i = 0; i < PATHS.length; i++) {
 			String path = props.getProperty(PATHS[i]);
 			if (path != null)
 				props.setProperty(PATHS[i], EquinoxManipulatorImpl.makeAbsolute(path, rootURL.getFile()));
 		}

 		if (props.getProperty(KEY_ORG_ECLIPSE_EQUINOX_SIMPLECONFIGURATOR_CONFIGURL) != null) {
 			props.put(KEY_ORG_ECLIPSE_EQUINOX_SIMPLECONFIGURATOR_CONFIGURL, EquinoxManipulatorImpl.makeAbsolute(props.getProperty(KEY_ORG_ECLIPSE_EQUINOX_SIMPLECONFIGURATOR_CONFIGURL), configArea.toURL()));
 		}

 		if (props.getProperty(KEY_ECLIPSE_PROV_DATA_AREA) != null) {
 			String url = props.getProperty(KEY_ECLIPSE_PROV_DATA_AREA);
 			if (url != null) {
 				if (url.startsWith(CONFIG_DIR))
 					url = "file:" + url.substring(CONFIG_DIR.length()); //$NON-NLS-1$
 				props.put(KEY_ECLIPSE_PROV_DATA_AREA, EquinoxManipulatorImpl.makeAbsolute(url, configArea.toURL()));
 			}
 		}

 		String value = props.getProperty(KEY_OSGI_BUNDLES);
 		if (value != null && fwJar != null) {
 			File parent = fwJar.getParentFile();
 			if (parent != null)
 				props.setProperty(KEY_OSGI_BUNDLES, EquinoxManipulatorImpl.makeArrayAbsolute(value, parent.toURL()));
 		}
 		return props;
 	}

 	public static File getOSGiInstallArea(LauncherData launcherData) {
 		if (launcherData == null)
 			return null;
 		String[] args = launcherData.getProgramArgs();
 		if (args == null)
 			return null;
 		for (int i = 0; i < args.length; i++) {
 			if (args[i].equals("-startup") && i + 1 < args.length && args[i + 1].charAt(1) != '-') { //$NON-NLS-1$
 				return fromOSGiJarToOSGiInstallArea(args[i + 1]);
 			}
 		}
 		if (launcherData.getFwJar() != null)
 			return fromOSGiJarToOSGiInstallArea(launcherData.getFwJar().getAbsolutePath());
 		if (launcherData.getLauncher() != null)
 			return launcherData.getLauncher().getParentFile();
 		return null;
 	}

 	private static File fromOSGiJarToOSGiInstallArea(String path) {
 		IPath parentFolder = new Path(path).removeLastSegments(1);
 		if (parentFolder.lastSegment().equals("plugins")) //$NON-NLS-1$
 			return parentFolder.removeLastSegments(1).toFile();
 		return parentFolder.toFile();
 	}

 	public void saveFwConfig(BundleInfo[] bInfos, Manipulator manipulator, boolean backup, boolean relative) throws IOException {//{
 		ConfigData configData = manipulator.getConfigData();
 		LauncherData launcherData = manipulator.getLauncherData();
 		File fwJar = EquinoxBundlesState.getFwJar(launcherData, configData);
 		launcherData.setFwJar(fwJar);
 		File outputFile = launcherData.getFwConfigLocation();
 		if (outputFile.exists()) {
 			if (outputFile.isFile()) {
 				if (!outputFile.getName().equals(EquinoxConstants.CONFIG_INI))
 					throw new IllegalStateException(NLS.bind(Messages.exception_fwConfigLocationName, outputFile.getAbsolutePath(), EquinoxConstants.CONFIG_INI));
 			} else { // Directory
 				outputFile = new File(outputFile, EquinoxConstants.CONFIG_INI);
 			}
 		} else {
 			if (!outputFile.getName().equals(EquinoxConstants.CONFIG_INI)) {
 				if (!outputFile.mkdir())
 					throw new IOException(NLS.bind(Messages.exception_failedToCreateDir, outputFile));
 				outputFile = new File(outputFile, EquinoxConstants.CONFIG_INI);
 			}
 		}
 		String header = NLS.bind(Messages.msg_ConfigFileHeader, this.getClass().getName());

 		Properties configProps = getConfigProps(bInfos, configData, launcherData, relative, fwJar);
 		if (configProps == null || configProps.size() == 0) {
 			Log.log(LogService.LOG_WARNING, this, "saveFwConfig() ", Messages.log_configProps); //$NON-NLS-1$
 			return;
 		}
 		Utils.createParentDir(outputFile);

 		if (DEBUG)
 			Utils.printoutProperties(System.out, "configProps", configProps); //$NON-NLS-1$

 		if (backup)
 			if (outputFile.exists()) {
 				File dest = Utils.getSimpleDataFormattedFile(outputFile);
 				if (!outputFile.renameTo(dest))
 					throw new IOException(NLS.bind(Messages.exception_failedToRename, outputFile, dest));
 				Log.log(LogService.LOG_INFO, this, "saveFwConfig()", NLS.bind(Messages.log_renameSuccessful, outputFile, dest)); //$NON-NLS-1$
 			}

 		FileOutputStream out = null;
 		try {
 			out = new FileOutputStream(outputFile);
 			configProps = makeRelative(configProps, launcherData.getLauncher().getParentFile().toURL(), fwJar, outputFile.getParentFile(), getOSGiInstallArea(manipulator.getLauncherData()));
 			configProps.store(out, header);
 			Log.log(LogService.LOG_INFO, NLS.bind(Messages.log_fwConfigSave, outputFile));
 		} finally {
 			try {
 				out.flush();
 				out.close();
 			} catch (IOException e) {
 				e.printStackTrace();
 			}
 			out = null;
 		}
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2007, 2008 IBM Corporation and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.equinox.internal.frameworkadmin.equinox;

	import java.io.*;
	import java.net.MalformedURLException;
	import java.net.URL;
	import java.util.Enumeration;
	import java.util.Properties;
	import org.eclipse.core.runtime.IPath;
	import org.eclipse.core.runtime.Path;
	import org.eclipse.equinox.internal.frameworkadmin.equinox.utils.FileUtils;
	import org.eclipse.equinox.internal.frameworkadmin.utils.Utils;
	import org.eclipse.equinox.internal.provisional.frameworkadmin.*;
	import org.eclipse.osgi.util.NLS;
	import org.osgi.framework.BundleContext;
	import org.osgi.service.log.LogService;

	public class EquinoxFwConfigFileParser {
	private static final String CONFIG_DIR = "@config.dir/"; //$NON-NLS-1$
	private static final String KEY_ECLIPSE_PROV_CACHE = "eclipse.p2.cache"; //$NON-NLS-1$
	private static final String KEY_ECLIPSE_PROV_DATA_AREA = "eclipse.p2.data.area"; //$NON-NLS-1$
	private static final String KEY_ORG_ECLIPSE_EQUINOX_SIMPLECONFIGURATOR_CONFIGURL = "org.eclipse.equinox.simpleconfigurator.configUrl"; //$NON-NLS-1$
	private static final String KEY_OSGI_BUNDLES = "osgi.bundles"; //$NON-NLS-1$
	private static final String KEY_OSGI_FRAMEWORK = "osgi.framework"; //$NON-NLS-1$
	private static final String KEY_OSGI_LAUNCHER_PATH = "osgi.launcherPath"; //$NON-NLS-1$
	private static final String[] PATHS = new String[] {KEY_OSGI_LAUNCHER_PATH, KEY_ECLIPSE_PROV_CACHE};

	private static boolean DEBUG = false;
	private static String USE_REFERENCE_STRING = null;

	public EquinoxFwConfigFileParser(BundleContext context) {
	if (context != null)
	USE_REFERENCE_STRING = context.getProperty(EquinoxConstants.PROP_KEY_USE_REFERENCE);

	}

	private static String getCommandLine(BundleInfo bundleInfo, final URL baseUrl) {
	String location = bundleInfo.getLocation();
	if (location == null)
	return null;
	boolean useReference = true;
	if (location.startsWith("file:")) { //$NON-NLS-1$
	if (USE_REFERENCE_STRING != null && USE_REFERENCE_STRING.equals("false")) //$NON-NLS-1$
	useReference = false;
	}

	try {
	new URL(location);
	} catch (MalformedURLException e) {
	Log.log(LogService.LOG_ERROR, "EquinoxFwConfigFileParser.getCommandLine():bundleInfo=" + bundleInfo, e); //$NON-NLS-1$
	// Never happen. ignore.
	}
	if (useReference)
	if (!location.startsWith("reference:")) //$NON-NLS-1$
	location = "reference:" + location; //$NON-NLS-1$

	int startLevel = bundleInfo.getStartLevel();
	boolean toBeStarted = bundleInfo.isMarkedAsStarted();

	StringBuffer sb = new StringBuffer();
	// if (baseUrl != null && bundleUrl.getProtocol().equals("file")) {
	// String bundlePath = bundleUrl.toString();
	// bundlePath = Utils.getRelativePath(bundleUrl, baseUrl);
	// sb.append(bundlePath);
	// } else
	sb.append(location);
	if (startLevel == BundleInfo.NO_LEVEL && !toBeStarted)
	return sb.toString();
	sb.append('@');
	if (startLevel != BundleInfo.NO_LEVEL)
	sb.append(startLevel);
	if (toBeStarted)
	sb.append(":start"); //$NON-NLS-1$
	return sb.toString();
	}

	private static Properties getConfigProps(BundleInfo[] bInfos, ConfigData configData, LauncherData launcherData, boolean relative, File fwJar) {
	Properties props = new Properties();

	if (configData.getInitialBundleStartLevel() != BundleInfo.NO_LEVEL)
	props.setProperty(EquinoxConstants.PROP_BUNDLES_STARTLEVEL, Integer.toString(configData.getInitialBundleStartLevel()));
	if (configData.getBeginingFwStartLevel() != BundleInfo.NO_LEVEL)
	props.setProperty(EquinoxConstants.PROP_INITIAL_STARTLEVEL, Integer.toString(configData.getBeginingFwStartLevel()));

	final File launcher = launcherData.getLauncher();
	if (launcher != null) {
	String launcherName = launcher.getName();
	if (launcherName.endsWith(EquinoxConstants.EXE_EXTENSION)) {
	props.setProperty(EquinoxConstants.PROP_LAUNCHER_NAME, launcherName.substring(0, launcherName.lastIndexOf(EquinoxConstants.EXE_EXTENSION)));
	props.setProperty(EquinoxConstants.PROP_LAUNCHER_PATH, launcher.getParentFile().getAbsolutePath());
	}
	}

	String fwJarSt = null;
	try {
	if (fwJar != null) {
	fwJarSt = fwJar.toURL().toExternalForm();
	}
	} catch (MalformedURLException e) {
	// Never happens
	e.printStackTrace();
	}

	if (bInfos != null) {
	StringBuffer sb = new StringBuffer();
	for (int i = 0; i < bInfos.length; i++) {
	normalizeLocation(bInfos[i]);
	if (fwJarSt != null && fwJarSt.equals(bInfos[i].getLocation()))
	continue; //framework jar should not appear in the bundles list
	sb.append(getCommandLine(bInfos[i], null));
	if (i + 1 < bInfos.length)
	sb.append(',');
	}
	props.setProperty(EquinoxConstants.PROP_BUNDLES, sb.toString());

	}
	//TODO The following merging operations are suspicious.
	props = Utils.appendProperties(props, configData.getFwIndependentProps());

	props = Utils.appendProperties(props, configData.getFwDependentProps());

	//Deal with the fw jar and ensure it is not set.
	//TODO This can't be done before because of the previous calls to appendProperties
	if (fwJarSt != null)
	props.setProperty(EquinoxConstants.PROP_OSGI_FW, fwJarSt /* fwJar.getAbsolutePath() */);
	else
	props.remove(EquinoxConstants.PROP_OSGI_FW);

	return props;
	}

	private static boolean getMarkedAsStartedFormat(String msg, String original) {
	if (msg == null)
	return false;
	msg = msg.trim();
	int colon = msg.indexOf(":"); //$NON-NLS-1$
	if (colon > -1) {
	return msg.substring(colon + 1).equals("start"); //$NON-NLS-1$
	}
	return msg.equals("start"); //$NON-NLS-1$
	}

	private static int getStartLevel(String msg, String original) {
	if (msg == null)
	return BundleInfo.NO_LEVEL;
	msg = msg.trim();
	int colon = msg.indexOf(":"); //$NON-NLS-1$
	if (colon > 0) {
	try {
	return Integer.parseInt(msg.substring(0, colon));
	} catch (NumberFormatException e) {
	return BundleInfo.NO_LEVEL;
	}
	}
	return BundleInfo.NO_LEVEL;
	}

	static boolean isFwDependent(String key) {
	// TODO This algorithm is temporal.
	if (key.startsWith(EquinoxConstants.PROP_EQUINOX_DEPENDENT_PREFIX))
	return true;
	return false;
	}

	private static void normalizeLocation(BundleInfo bInfo) {
	String location = bInfo.getLocation();
	try {
	if (location.startsWith("file:")) { //$NON-NLS-1$
	bInfo.setLocation(new URL(location).toExternalForm());
	} else {
	bInfo.setLocation(new File(location).toURL().toExternalForm());
	}
	} catch (MalformedURLException e) {
	// TODO Auto-generated catch block
	e.printStackTrace();
	}
	// location = location.substring("file:".length());
	// if (!location.startsWith("/"))
	// location = "/" + location;
	// // if (fwJarSt != null)
	// // if (fwJarSt.equals(location))
	// // continue;
	// location = Utils.replaceAll(location, File.separator, "/");
	// //String jarName = location.substring(location.lastIndexOf("/") + 1);
	// // if (jarName.startsWith(EquinoxConstants.FW_JAR_PLUGIN_NAME))
	// // continue;
	// bInfo.setLocation("file:" + location);
	// }
	}

	/**
	* @param value
	*/
	private static void setInstallingBundles(Manipulator manipulator, String value) throws NumberFormatException {
	ConfigData configData = manipulator.getConfigData();
	if (value != null) {
	String[] bInfoStrings = Utils.getTokens(value, ","); //$NON-NLS-1$
	for (int i = 0; i < bInfoStrings.length; i++) {
	String token = bInfoStrings[i].trim();
	token = FileUtils.getRealLocation(manipulator, token, false).trim();

	int indexI = token.indexOf("@"); //$NON-NLS-1$
	String location = (indexI == -1) ? token : token.substring(0, indexI);
	String realLocation = FileUtils.getEclipseRealLocation(manipulator, location);
	String slAndFlag = (indexI > -1) ? token.substring(indexI + 1) : null;

	boolean markedAsStarted = getMarkedAsStartedFormat(slAndFlag, token);
	int startLevel = getStartLevel(slAndFlag, token);

	if (realLocation != null)
	configData.addBundle(new BundleInfo(realLocation, startLevel, markedAsStarted));
	else
	configData.addBundle(new BundleInfo(location, null, null, startLevel, markedAsStarted));
	}
	}
	}

	/**
	* inputFile must be not a directory but a file.
	*
	* @param manipulator
	* @param inputFile
	* @throws IOException
	*/
	public void readFwConfig(Manipulator manipulator, File inputFile) throws IOException {
	if (inputFile.isDirectory())
	throw new IllegalArgumentException(NLS.bind(Messages.exception_inputFileIsDirectory, inputFile));

	//Initialize data structures
	ConfigData configData = manipulator.getConfigData();
	LauncherData launcherData = manipulator.getLauncherData();
	configData.initialize();

	//Load properties
	Properties props = new Properties();
	InputStream is = null;
	try {
	is = new FileInputStream(inputFile);
	props.load(is);
	} finally {
	try {
	is.close();
	} catch (IOException e) {
	e.printStackTrace();
	}
	is = null;
	}

	//Start figuring out stuffs
	URL rootURL = launcherData.getLauncher() != null ? launcherData.getLauncher().getParentFile().toURL() : null;

	//Extracting fwkJar location needs to be done first
	String launcherName = null;
	String launcherPath = null;
	configData.setBundles(null);

	File fwJar = null;
	if (props.getProperty(EquinoxConstants.PROP_OSGI_FW) != null) {
	props.setProperty(KEY_OSGI_FRAMEWORK, EquinoxManipulatorImpl.makeAbsolute(props.getProperty(EquinoxConstants.PROP_OSGI_FW), getOSGiInstallArea(launcherData).toURL()));
	String fwJarString = props.getProperty(KEY_OSGI_FRAMEWORK);
	if (fwJarString != null) {
	fwJar = new File(new URL(fwJarString).getFile());
	launcherData.setFwJar(fwJar);
	configData.addBundle(new BundleInfo(fwJarString));
	}
	}

	props = makeAbsolute(props, rootURL, fwJar, inputFile.getParentFile(), getOSGiInstallArea(manipulator.getLauncherData()));
	for (Enumeration enumeration = props.keys(); enumeration.hasMoreElements();) {
	String key = (String) enumeration.nextElement();
	String value = props.getProperty(key);
	if (key.equals(EquinoxConstants.PROP_BUNDLES_STARTLEVEL))
	configData.setInitialBundleStartLevel(Integer.parseInt(value));
	else if (key.equals(EquinoxConstants.PROP_INITIAL_STARTLEVEL)) {
	configData.setBeginningFwStartLevel(Integer.parseInt(value));
	} else if (key.equals(EquinoxConstants.PROP_BUNDLES)) {
	setInstallingBundles(manipulator, value);
	} else {
	if (isFwDependent(key)) {
	configData.setFwDependentProp(key, value);
	} else
	configData.setFwIndependentProp(key, value);
	if (key.equals(EquinoxConstants.PROP_LAUNCHER_NAME))
	if (launcherData.getLauncher() == null)
	launcherName = value;
	if (key.equals(EquinoxConstants.PROP_LAUNCHER_PATH))
	if (launcherData.getLauncher() == null)
	launcherPath = value;
	}
	}
	if (launcherName != null && launcherPath != null) {
	launcherData.setLauncher(new File(launcherPath, launcherName + EquinoxConstants.EXE_EXTENSION));
	}

	Log.log(LogService.LOG_INFO, NLS.bind(Messages.log_configFile, inputFile.getAbsolutePath()));
	}

	private static Properties makeRelative(Properties props, URL rootURL, File fwJar, File configArea, File osgiInstallArea) throws IOException {
	for (int i = 0; i < PATHS.length; i++) {
	String path = props.getProperty(PATHS[i]);
	if (path != null)
	props.put(PATHS[i], EquinoxManipulatorImpl.makeRelative(path, rootURL.getFile()));
	}

	if (props.getProperty(KEY_OSGI_FRAMEWORK) != null && osgiInstallArea != null) {
	props.put(KEY_OSGI_FRAMEWORK, EquinoxManipulatorImpl.makeRelative(props.getProperty(KEY_OSGI_FRAMEWORK), osgiInstallArea.toURL()));
	}

	if (props.getProperty(KEY_ORG_ECLIPSE_EQUINOX_SIMPLECONFIGURATOR_CONFIGURL) != null) {
	props.put(KEY_ORG_ECLIPSE_EQUINOX_SIMPLECONFIGURATOR_CONFIGURL, EquinoxManipulatorImpl.makeRelative(props.getProperty(KEY_ORG_ECLIPSE_EQUINOX_SIMPLECONFIGURATOR_CONFIGURL), configArea.toURL()));
	}

	if (props.getProperty(KEY_ECLIPSE_PROV_DATA_AREA) != null) {
	String url = props.getProperty(KEY_ECLIPSE_PROV_DATA_AREA);
	if (url != null) {
	String result = EquinoxManipulatorImpl.makeRelative(url, configArea.toURL());
	//We only relativize up to the level where the p2 and config folder are siblings (e.g. foo/p2 and foo/config)
	if (result.startsWith("file:../..")) //$NON-NLS-1$
	result = url;
	else if (!result.equals(url) && result.startsWith("file:")) //$NON-NLS-1$
	result = CONFIG_DIR + result.substring(5);
	props.put(KEY_ECLIPSE_PROV_DATA_AREA, result);
	}
	}

	String value = props.getProperty(KEY_OSGI_BUNDLES);
	if (value != null && fwJar != null) {
	File parent = fwJar.getParentFile();
	if (parent != null)
	props.setProperty(KEY_OSGI_BUNDLES, EquinoxManipulatorImpl.makeArrayRelative(value, parent.toURL()));
	}
	return props;
	}

	private static Properties makeAbsolute(Properties props, URL rootURL, File fwJar, File configArea, File osgiInstallArea) throws IOException {
	for (int i = 0; i < PATHS.length; i++) {
	String path = props.getProperty(PATHS[i]);
	if (path != null)
	props.setProperty(PATHS[i], EquinoxManipulatorImpl.makeAbsolute(path, rootURL.getFile()));
	}

	if (props.getProperty(KEY_ORG_ECLIPSE_EQUINOX_SIMPLECONFIGURATOR_CONFIGURL) != null) {
	props.put(KEY_ORG_ECLIPSE_EQUINOX_SIMPLECONFIGURATOR_CONFIGURL, EquinoxManipulatorImpl.makeAbsolute(props.getProperty(KEY_ORG_ECLIPSE_EQUINOX_SIMPLECONFIGURATOR_CONFIGURL), configArea.toURL()));
	}

	if (props.getProperty(KEY_ECLIPSE_PROV_DATA_AREA) != null) {
	String url = props.getProperty(KEY_ECLIPSE_PROV_DATA_AREA);
	if (url != null) {
	if (url.startsWith(CONFIG_DIR))
	url = "file:" + url.substring(CONFIG_DIR.length()); //$NON-NLS-1$
	props.put(KEY_ECLIPSE_PROV_DATA_AREA, EquinoxManipulatorImpl.makeAbsolute(url, configArea.toURL()));
	}
	}

	String value = props.getProperty(KEY_OSGI_BUNDLES);
	if (value != null && fwJar != null) {
	File parent = fwJar.getParentFile();
	if (parent != null)
	props.setProperty(KEY_OSGI_BUNDLES, EquinoxManipulatorImpl.makeArrayAbsolute(value, parent.toURL()));
	}
	return props;
	}

	public static File getOSGiInstallArea(LauncherData launcherData) {
	if (launcherData == null)
	return null;
	String[] args = launcherData.getProgramArgs();
	if (args == null)
	return null;
	for (int i = 0; i < args.length; i++) {
	if (args[i].equals("-startup") && i + 1 < args.length && args[i + 1].charAt(1) != '-') { //$NON-NLS-1$
	return fromOSGiJarToOSGiInstallArea(args[i + 1]);
	}
	}
	if (launcherData.getFwJar() != null)
	return fromOSGiJarToOSGiInstallArea(launcherData.getFwJar().getAbsolutePath());
	if (launcherData.getLauncher() != null)
	return launcherData.getLauncher().getParentFile();
	return null;
	}

	private static File fromOSGiJarToOSGiInstallArea(String path) {
	IPath parentFolder = new Path(path).removeLastSegments(1);
	if (parentFolder.lastSegment().equals("plugins")) //$NON-NLS-1$
	return parentFolder.removeLastSegments(1).toFile();
	return parentFolder.toFile();
	}

	public void saveFwConfig(BundleInfo[] bInfos, Manipulator manipulator, boolean backup, boolean relative) throws IOException {//{
	ConfigData configData = manipulator.getConfigData();
	LauncherData launcherData = manipulator.getLauncherData();
	File fwJar = EquinoxBundlesState.getFwJar(launcherData, configData);
	launcherData.setFwJar(fwJar);
	File outputFile = launcherData.getFwConfigLocation();
	if (outputFile.exists()) {
	if (outputFile.isFile()) {
	if (!outputFile.getName().equals(EquinoxConstants.CONFIG_INI))
	throw new IllegalStateException(NLS.bind(Messages.exception_fwConfigLocationName, outputFile.getAbsolutePath(), EquinoxConstants.CONFIG_INI));
	} else { // Directory
	outputFile = new File(outputFile, EquinoxConstants.CONFIG_INI);
	}
	} else {
	if (!outputFile.getName().equals(EquinoxConstants.CONFIG_INI)) {
	if (!outputFile.mkdir())
	throw new IOException(NLS.bind(Messages.exception_failedToCreateDir, outputFile));
	outputFile = new File(outputFile, EquinoxConstants.CONFIG_INI);
	}
	}
	String header = NLS.bind(Messages.msg_ConfigFileHeader, this.getClass().getName());

	Properties configProps = getConfigProps(bInfos, configData, launcherData, relative, fwJar);
	if (configProps == null \|\| configProps.size() == 0) {
	Log.log(LogService.LOG_WARNING, this, "saveFwConfig() ", Messages.log_configProps); //$NON-NLS-1$
	return;
	}
	Utils.createParentDir(outputFile);

	if (DEBUG)
	Utils.printoutProperties(System.out, "configProps", configProps); //$NON-NLS-1$

	if (backup)
	if (outputFile.exists()) {
	File dest = Utils.getSimpleDataFormattedFile(outputFile);
	if (!outputFile.renameTo(dest))
	throw new IOException(NLS.bind(Messages.exception_failedToRename, outputFile, dest));
	Log.log(LogService.LOG_INFO, this, "saveFwConfig()", NLS.bind(Messages.log_renameSuccessful, outputFile, dest)); //$NON-NLS-1$
	}

	FileOutputStream out = null;
	try {
	out = new FileOutputStream(outputFile);
	configProps = makeRelative(configProps, launcherData.getLauncher().getParentFile().toURL(), fwJar, outputFile.getParentFile(), getOSGiInstallArea(manipulator.getLauncherData()));
	configProps.store(out, header);
	Log.log(LogService.LOG_INFO, NLS.bind(Messages.log_fwConfigSave, outputFile));
	} finally {
	try {
	out.flush();
	out.close();
	} catch (IOException e) {
	e.printStackTrace();
	}
	out = null;
	}
	}
	}