/*******************************************************************************
* 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;
}
}
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