update/org.eclipse.update.core/src/org/eclipse/update/internal/core/UpdateCore.java - platform/eclipse.platform - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 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.update.internal.core;

 import java.io.File;
 import java.io.IOException;
 import java.net.URL;
 import org.eclipse.core.net.proxy.IProxyService;
 import org.eclipse.core.runtime.*;
 import org.eclipse.osgi.signedcontent.SignedContentFactory;
 import org.eclipse.update.configuration.IInstallConfiguration;
 import org.eclipse.update.configurator.ConfiguratorUtils;
 import org.eclipse.update.configurator.IPlatformConfiguration;
 import org.eclipse.update.core.*;
 import org.eclipse.update.internal.core.connection.ConnectionThreadManagerFactory;
 import org.osgi.framework.BundleContext;
 import org.osgi.service.packageadmin.PackageAdmin;
 import org.osgi.util.tracker.ServiceTracker;

 /**
  * The main plugin class to be used in the desktop.
  */
 public class UpdateCore extends Plugin {

 	// debug options
 	public static boolean DEBUG;
 	public static boolean DEBUG_SHOW_INSTALL;
 	public static boolean DEBUG_SHOW_PARSING;
 	public static boolean DEBUG_SHOW_WARNINGS;
 	public static boolean DEBUG_SHOW_CONFIGURATION;
 	public static boolean DEBUG_SHOW_TYPE;
 	public static boolean DEBUG_SHOW_WEB;
 	public static boolean DEBUG_SHOW_IHANDLER;
 	public static boolean DEBUG_SHOW_RECONCILER;

 	private static final String PREFIX = "org.eclipse.update.core"; //$NON-NLS-1$
 	public static final String P_HISTORY_SIZE = PREFIX + ".historySize"; //$NON-NLS-1$
 	public static final String P_CHECK_SIGNATURE = PREFIX + ".checkSignature"; //$NON-NLS-1$
 	public static final String P_AUTOMATICALLY_CHOOSE_MIRROR =  PREFIX + ".automaticallyChooseMirror"; //$NON-NLS-1$
 	public static final String P_UPDATE_VERSIONS = PREFIX + ".updateVersions"; //$NON-NLS-1$
 	public static final String EQUIVALENT_VALUE = "equivalent"; //$NON-NLS-1$
 	public static final String COMPATIBLE_VALUE = "compatible"; //$NON-NLS-1$

 	public static int DEFAULT_HISTORY = 100;//Integer.MAX_VALUE;

 	//The shared instance.
 	private static UpdateCore plugin;

 	//log
 	private static UpdateManagerLogWriter log;
 	private static final String LOG_FILE="install.log"; //$NON-NLS-1$

 	// bundle data
 	private BundleContext context;
 	private ServiceTracker pkgAdminTracker;
 	private ServiceTracker verifierFactoryTracker;
 	private ServiceTracker proxyTracker;

 	// Session
 	private UpdateSession updateSession = null;
 	/**
 	 * HTTP response code indicating success.
 	 */
 	public static final int HTTP_OK = 200;

 	/**
 	 * The constructor.
 	 */
 	public UpdateCore() {
 		plugin = this;
 	}


 	/**
 	 * Returns the shared instance.
 	 */
 	public static UpdateCore getPlugin() {
 		return plugin;
 	}


 	private boolean getBooleanDebugOption(String flag, boolean dflt) {
 		String result = Platform.getDebugOption(flag);
 		if (result == null)
 			return dflt;
 		else
 			return result.trim().equalsIgnoreCase("true"); //$NON-NLS-1$
 	}

 	/**
 	 * dumps a String in the trace
 	 */
 	public static void debug(String s) {
 		StringBuffer msg = new StringBuffer();
 		msg.append(getPlugin().toString());
 		msg.append("^"); //$NON-NLS-1$
 		msg.append(Integer.toHexString(Thread.currentThread().hashCode()));
 		msg.append(" "); //$NON-NLS-1$
 		msg.append(s);
 		System.out.println(msg.toString());
 	}

 	/**
 	 * Dumps a String in the log if WARNING is set to true
 	 */
 	public static void warn(String s) {
 		if (DEBUG && DEBUG_SHOW_WARNINGS) {
 			if (s!=null){
 				s="WARNING: "+s; //$NON-NLS-1$
 			}
 			log(s, null);
 		}
 	}

 	/**
 	 * Dumps an exception in the log if WARNING is set to true
 	 *
 	 * @param s log string
 	 * @param e exception to be logged
 	 * @since 2.0
 	 */
 	public static void warn(String s, Throwable e) {
 		if (DEBUG && DEBUG_SHOW_WARNINGS){
 			if (s!=null){
 				s="UPDATE MANAGER INFO: "+s; //$NON-NLS-1$
 			}
 			log(s,e);
 		}
 	}

 	/**
 	 * Logs a status
 	 */
 	public static void log(IStatus status){
 		UpdateCore.getPlugin().getLog().log(status);
 	}

 	/**
 	 * Logs an error
 	 */
 	public static void log(Throwable e){
 		log("",e); //$NON-NLS-1$
 	}

 	/**
 	 * Logs a string and an  error
 	 */
 	public static void log(String msg, Throwable e){
 		IStatus status = null;
 		if (e instanceof CoreException)
 			status = ((CoreException)e).getStatus();
 		else
 			status = Utilities.newCoreException(msg,e).getStatus();
 		if (status!=null)
 			log(status);
 	}
 	/*
 	 * Method log.
 	 * @param newConfiguration
 	 */
 	public static void log(IInstallConfiguration newConfiguration) {
 		if (log!=null)
 			log.log(newConfiguration);
 	}

 	/*
 	 * Get update log location relative to platform configuration
 	 */
 	private static File getInstallLogFile() throws IOException {

 		IPlatformConfiguration config = ConfiguratorUtils.getCurrentPlatformConfiguration();
 		URL configurationLocation = config.getConfigurationLocation();
 		if (configurationLocation==null){
 			warn("Unable to retrieve location for update manager log file"); //$NON-NLS-1$
 			return null;
 		}
 //		URL configLocation = Platform.resolve(configurationLocation);
 		File updateStateLocation = null;

 		if ("file".equalsIgnoreCase(configurationLocation.getProtocol())) { //$NON-NLS-1$
 			File path = new File(configurationLocation.getFile());
 			updateStateLocation = new File(path.getParentFile(), LOG_FILE);
 		}
 		return updateStateLocation;
 	}

 	/**
 	 * Sends the GET request to the server and returns the server's
 	 * response.
 	 *
 	 * @param url the URL to open on the server
 	 * @return the server's response
 	 * @throws IOException if an I/O error occurs. Reasons include:
 	 * <ul>
 	 * <li>The client is closed.
 	 * <li>The client could not connect to the server
 	 * <li>An I/O error occurs while communicating with the server
 	 * <ul>
 	 */


 	/*
 	 * Returns true if the feature is a patch
 	 */
 	public static boolean isPatch(IFeature candidate) {
 		IImport[] imports = candidate.getImports();

 		for (int i = 0; i < imports.length; i++) {
 			IImport iimport = imports[i];
 			if (iimport.isPatch())
 				return true;
 		}
 		return false;
 	}

 	/* (non-Javadoc)
 	 * @see org.osgi.framework.BundleActivator#start(org.osgi.framework.BundleContext)
 	 */
 	public void start(BundleContext context) throws Exception {
 		super.start(context);
 		this.context = context;

         DEBUG = getBooleanDebugOption("org.eclipse.update.core/debug", false); //$NON-NLS-1$

 		if (DEBUG) {
 			DEBUG_SHOW_WARNINGS = getBooleanDebugOption("org.eclipse.update.core/debug/warning", false); //$NON-NLS-1$
 			DEBUG_SHOW_PARSING = getBooleanDebugOption("org.eclipse.update.core/debug/parsing", false); //$NON-NLS-1$
 			DEBUG_SHOW_INSTALL = getBooleanDebugOption("org.eclipse.update.core/debug/install", false); //$NON-NLS-1$
 			DEBUG_SHOW_CONFIGURATION = getBooleanDebugOption("org.eclipse.update.core/debug/configuration", false); //$NON-NLS-1$
 			DEBUG_SHOW_TYPE = getBooleanDebugOption("org.eclipse.update.core/debug/type", false); //$NON-NLS-1$
 			DEBUG_SHOW_WEB = getBooleanDebugOption("org.eclipse.update.core/debug/web", false); //$NON-NLS-1$
 			DEBUG_SHOW_IHANDLER = getBooleanDebugOption("org.eclipse.update.core/debug/installhandler", false); //$NON-NLS-1$
 			DEBUG_SHOW_RECONCILER = getBooleanDebugOption("org.eclipse.update.core/debug/reconciler", false); //$NON-NLS-1$
 		}

 		//
 		try {
 			File logFile = getInstallLogFile();
 			if (logFile!=null)
 				log = new UpdateManagerLogWriter(logFile);
 		} catch (IOException e){
 			warn("",e); //$NON-NLS-1$
 		}
 	}
 	/* (non-Javadoc)
 	 * @see org.osgi.framework.BundleActivator#stop(org.osgi.framework.BundleContext)
 	 */
 	public void stop(BundleContext context) throws Exception {
 		super.stop(context);

 		JarContentReference.shutdown(); // make sure we are not leaving jars open
 		Utilities.shutdown(); // cleanup temp area
 		if (log!=null)
 			log.shutdown();

 		ConnectionThreadManagerFactory.getConnectionManager().shutdown();


 		this.context = null;
 		if (pkgAdminTracker != null) {
 			pkgAdminTracker.close();
 			pkgAdminTracker = null;
 		}
 		if (verifierFactoryTracker != null) {
 			verifierFactoryTracker.close();
 			verifierFactoryTracker = null;
 		}
 		if (proxyTracker != null) {
 			proxyTracker.close();
 			proxyTracker = null;
 		}
 	}

 	public BundleContext getBundleContext() {
 		return context;
 	}

 	PackageAdmin getPackageAdmin() {
 		if (pkgAdminTracker == null) {
 			pkgAdminTracker = new ServiceTracker(context, PackageAdmin.class.getName(), null);
 			pkgAdminTracker.open();
 		}
 		return (PackageAdmin)pkgAdminTracker.getService();
 	}

 	public IProxyService getProxyService() {
 		if (proxyTracker == null) {
 		    proxyTracker=new ServiceTracker(getBundle().getBundleContext(),
 		            IProxyService.class.getName(), null);
 		    proxyTracker.open();
 		}
 		return (IProxyService)proxyTracker.getService();
 	}


 	public SignedContentFactory getSignedContentFactory() {
 		if (verifierFactoryTracker == null) {
 			verifierFactoryTracker = new ServiceTracker(context, SignedContentFactory.class.getName(), null);
 			verifierFactoryTracker.open();
 		}
 		return (SignedContentFactory)verifierFactoryTracker.getService();
 	}

 	public UpdateSession getUpdateSession() {
 		synchronized(UpdateSession.class) {
 			if (updateSession == null) {
 				updateSession = new UpdateSession();
 			}
 		}
 		return updateSession;
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2000, 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.update.internal.core;

	import java.io.File;
	import java.io.IOException;
	import java.net.URL;
	import org.eclipse.core.net.proxy.IProxyService;
	import org.eclipse.core.runtime.*;
	import org.eclipse.osgi.signedcontent.SignedContentFactory;
	import org.eclipse.update.configuration.IInstallConfiguration;
	import org.eclipse.update.configurator.ConfiguratorUtils;
	import org.eclipse.update.configurator.IPlatformConfiguration;
	import org.eclipse.update.core.*;
	import org.eclipse.update.internal.core.connection.ConnectionThreadManagerFactory;
	import org.osgi.framework.BundleContext;
	import org.osgi.service.packageadmin.PackageAdmin;
	import org.osgi.util.tracker.ServiceTracker;

	/**
	* The main plugin class to be used in the desktop.
	*/
	public class UpdateCore extends Plugin {

	// debug options
	public static boolean DEBUG;
	public static boolean DEBUG_SHOW_INSTALL;
	public static boolean DEBUG_SHOW_PARSING;
	public static boolean DEBUG_SHOW_WARNINGS;
	public static boolean DEBUG_SHOW_CONFIGURATION;
	public static boolean DEBUG_SHOW_TYPE;
	public static boolean DEBUG_SHOW_WEB;
	public static boolean DEBUG_SHOW_IHANDLER;
	public static boolean DEBUG_SHOW_RECONCILER;

	private static final String PREFIX = "org.eclipse.update.core"; //$NON-NLS-1$
	public static final String P_HISTORY_SIZE = PREFIX + ".historySize"; //$NON-NLS-1$
	public static final String P_CHECK_SIGNATURE = PREFIX + ".checkSignature"; //$NON-NLS-1$
	public static final String P_AUTOMATICALLY_CHOOSE_MIRROR = PREFIX + ".automaticallyChooseMirror"; //$NON-NLS-1$
	public static final String P_UPDATE_VERSIONS = PREFIX + ".updateVersions"; //$NON-NLS-1$
	public static final String EQUIVALENT_VALUE = "equivalent"; //$NON-NLS-1$
	public static final String COMPATIBLE_VALUE = "compatible"; //$NON-NLS-1$

	public static int DEFAULT_HISTORY = 100;//Integer.MAX_VALUE;

	//The shared instance.
	private static UpdateCore plugin;

	//log
	private static UpdateManagerLogWriter log;
	private static final String LOG_FILE="install.log"; //$NON-NLS-1$

	// bundle data
	private BundleContext context;
	private ServiceTracker pkgAdminTracker;
	private ServiceTracker verifierFactoryTracker;
	private ServiceTracker proxyTracker;

	// Session
	private UpdateSession updateSession = null;
	/**
	* HTTP response code indicating success.
	*/
	public static final int HTTP_OK = 200;

	/**
	* The constructor.
	*/
	public UpdateCore() {
	plugin = this;
	}


	/**
	* Returns the shared instance.
	*/
	public static UpdateCore getPlugin() {
	return plugin;
	}


	private boolean getBooleanDebugOption(String flag, boolean dflt) {
	String result = Platform.getDebugOption(flag);
	if (result == null)
	return dflt;
	else
	return result.trim().equalsIgnoreCase("true"); //$NON-NLS-1$
	}

	/**
	* dumps a String in the trace
	*/
	public static void debug(String s) {
	StringBuffer msg = new StringBuffer();
	msg.append(getPlugin().toString());
	msg.append("^"); //$NON-NLS-1$
	msg.append(Integer.toHexString(Thread.currentThread().hashCode()));
	msg.append(" "); //$NON-NLS-1$
	msg.append(s);
	System.out.println(msg.toString());
	}

	/**
	* Dumps a String in the log if WARNING is set to true
	*/
	public static void warn(String s) {
	if (DEBUG && DEBUG_SHOW_WARNINGS) {
	if (s!=null){
	s="WARNING: "+s; //$NON-NLS-1$
	}
	log(s, null);
	}
	}

	/**
	* Dumps an exception in the log if WARNING is set to true
	*
	* @param s log string
	* @param e exception to be logged
	* @since 2.0
	*/
	public static void warn(String s, Throwable e) {
	if (DEBUG && DEBUG_SHOW_WARNINGS){
	if (s!=null){
	s="UPDATE MANAGER INFO: "+s; //$NON-NLS-1$
	}
	log(s,e);
	}
	}

	/**
	* Logs a status
	*/
	public static void log(IStatus status){
	UpdateCore.getPlugin().getLog().log(status);
	}

	/**
	* Logs an error
	*/
	public static void log(Throwable e){
	log("",e); //$NON-NLS-1$
	}

	/**
	* Logs a string and an error
	*/
	public static void log(String msg, Throwable e){
	IStatus status = null;
	if (e instanceof CoreException)
	status = ((CoreException)e).getStatus();
	else
	status = Utilities.newCoreException(msg,e).getStatus();
	if (status!=null)
	log(status);
	}
	/*
	* Method log.
	* @param newConfiguration
	*/
	public static void log(IInstallConfiguration newConfiguration) {
	if (log!=null)
	log.log(newConfiguration);
	}

	/*
	* Get update log location relative to platform configuration
	*/
	private static File getInstallLogFile() throws IOException {

	IPlatformConfiguration config = ConfiguratorUtils.getCurrentPlatformConfiguration();
	URL configurationLocation = config.getConfigurationLocation();
	if (configurationLocation==null){
	warn("Unable to retrieve location for update manager log file"); //$NON-NLS-1$
	return null;
	}
	// URL configLocation = Platform.resolve(configurationLocation);
	File updateStateLocation = null;

	if ("file".equalsIgnoreCase(configurationLocation.getProtocol())) { //$NON-NLS-1$
	File path = new File(configurationLocation.getFile());
	updateStateLocation = new File(path.getParentFile(), LOG_FILE);
	}
	return updateStateLocation;
	}

	/**
	* Sends the GET request to the server and returns the server's
	* response.
	*
	* @param url the URL to open on the server
	* @return the server's response
	* @throws IOException if an I/O error occurs. Reasons include:
	* <ul>
	* <li>The client is closed.
	* <li>The client could not connect to the server
	* <li>An I/O error occurs while communicating with the server
	* <ul>
	*/


	/*
	* Returns true if the feature is a patch
	*/
	public static boolean isPatch(IFeature candidate) {
	IImport[] imports = candidate.getImports();

	for (int i = 0; i < imports.length; i++) {
	IImport iimport = imports[i];
	if (iimport.isPatch())
	return true;
	}
	return false;
	}

	/* (non-Javadoc)
	* @see org.osgi.framework.BundleActivator#start(org.osgi.framework.BundleContext)
	*/
	public void start(BundleContext context) throws Exception {
	super.start(context);
	this.context = context;

	DEBUG = getBooleanDebugOption("org.eclipse.update.core/debug", false); //$NON-NLS-1$

	if (DEBUG) {
	DEBUG_SHOW_WARNINGS = getBooleanDebugOption("org.eclipse.update.core/debug/warning", false); //$NON-NLS-1$
	DEBUG_SHOW_PARSING = getBooleanDebugOption("org.eclipse.update.core/debug/parsing", false); //$NON-NLS-1$
	DEBUG_SHOW_INSTALL = getBooleanDebugOption("org.eclipse.update.core/debug/install", false); //$NON-NLS-1$
	DEBUG_SHOW_CONFIGURATION = getBooleanDebugOption("org.eclipse.update.core/debug/configuration", false); //$NON-NLS-1$
	DEBUG_SHOW_TYPE = getBooleanDebugOption("org.eclipse.update.core/debug/type", false); //$NON-NLS-1$
	DEBUG_SHOW_WEB = getBooleanDebugOption("org.eclipse.update.core/debug/web", false); //$NON-NLS-1$
	DEBUG_SHOW_IHANDLER = getBooleanDebugOption("org.eclipse.update.core/debug/installhandler", false); //$NON-NLS-1$
	DEBUG_SHOW_RECONCILER = getBooleanDebugOption("org.eclipse.update.core/debug/reconciler", false); //$NON-NLS-1$
	}

	//
	try {
	File logFile = getInstallLogFile();
	if (logFile!=null)
	log = new UpdateManagerLogWriter(logFile);
	} catch (IOException e){
	warn("",e); //$NON-NLS-1$
	}
	}
	/* (non-Javadoc)
	* @see org.osgi.framework.BundleActivator#stop(org.osgi.framework.BundleContext)
	*/
	public void stop(BundleContext context) throws Exception {
	super.stop(context);

	JarContentReference.shutdown(); // make sure we are not leaving jars open
	Utilities.shutdown(); // cleanup temp area
	if (log!=null)
	log.shutdown();

	ConnectionThreadManagerFactory.getConnectionManager().shutdown();


	this.context = null;
	if (pkgAdminTracker != null) {
	pkgAdminTracker.close();
	pkgAdminTracker = null;
	}
	if (verifierFactoryTracker != null) {
	verifierFactoryTracker.close();
	verifierFactoryTracker = null;
	}
	if (proxyTracker != null) {
	proxyTracker.close();
	proxyTracker = null;
	}
	}

	public BundleContext getBundleContext() {
	return context;
	}

	PackageAdmin getPackageAdmin() {
	if (pkgAdminTracker == null) {
	pkgAdminTracker = new ServiceTracker(context, PackageAdmin.class.getName(), null);
	pkgAdminTracker.open();
	}
	return (PackageAdmin)pkgAdminTracker.getService();
	}

	public IProxyService getProxyService() {
	if (proxyTracker == null) {
	proxyTracker=new ServiceTracker(getBundle().getBundleContext(),
	IProxyService.class.getName(), null);
	proxyTracker.open();
	}
	return (IProxyService)proxyTracker.getService();
	}


	public SignedContentFactory getSignedContentFactory() {
	if (verifierFactoryTracker == null) {
	verifierFactoryTracker = new ServiceTracker(context, SignedContentFactory.class.getName(), null);
	verifierFactoryTracker.open();
	}
	return (SignedContentFactory)verifierFactoryTracker.getService();
	}

	public UpdateSession getUpdateSession() {
	synchronized(UpdateSession.class) {
	if (updateSession == null) {
	updateSession = new UpdateSession();
	}
	}
	return updateSession;
	}
	}