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/*******************************************************************************
* Copyright (c) 2005, 2010 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.core.runtime.internal.adaptor;
import java.io.IOException;
import java.net.URLConnection;
import java.util.*;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.SAXParserFactory;
import org.eclipse.core.runtime.adaptor.LocationManager;
import org.eclipse.osgi.baseadaptor.*;
import org.eclipse.osgi.baseadaptor.hooks.AdaptorHook;
import org.eclipse.osgi.framework.adaptor.FrameworkAdaptor;
import org.eclipse.osgi.framework.console.CommandProvider;
import org.eclipse.osgi.framework.debug.Debug;
import org.eclipse.osgi.framework.debug.FrameworkDebugOptions;
import org.eclipse.osgi.framework.internal.core.BundleHost;
import org.eclipse.osgi.framework.internal.core.FrameworkProperties;
import org.eclipse.osgi.framework.log.FrameworkLog;
import org.eclipse.osgi.framework.log.FrameworkLogEntry;
import org.eclipse.osgi.internal.baseadaptor.AdaptorUtil;
import org.eclipse.osgi.service.datalocation.Location;
import org.eclipse.osgi.service.pluginconversion.PluginConverter;
import org.eclipse.osgi.service.resolver.PlatformAdmin;
import org.eclipse.osgi.service.urlconversion.URLConverter;
import org.osgi.framework.*;
public class EclipseAdaptorHook implements AdaptorHook, HookConfigurator {
/** The SAX factory name */
public static final String SAXFACTORYNAME = "javax.xml.parsers.SAXParserFactory"; //$NON-NLS-1$
/** The DOM factory name */
public static final String DOMFACTORYNAME = "javax.xml.parsers.DocumentBuilderFactory"; //$NON-NLS-1$
private static final String RUNTIME_ADAPTOR = FrameworkAdaptor.FRAMEWORK_SYMBOLICNAME + "/eclipseadaptor"; //$NON-NLS-1$
private static final String OPTION_CONVERTER = RUNTIME_ADAPTOR + "/converter/debug"; //$NON-NLS-1$
private static final String OPTION_LOCATION = RUNTIME_ADAPTOR + "/debug/location"; //$NON-NLS-1$
private static final String OPTION_CACHEDMANIFEST = RUNTIME_ADAPTOR + "/debug/cachedmanifest"; //$NON-NLS-1$
static final boolean SET_TCCL_XMLFACTORY = "true".equals(FrameworkProperties.getProperty("eclipse.parsers.setTCCL", "true"));//$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
private BaseAdaptor adaptor;
private boolean noXML = false;
private List<ServiceRegistration<?>> registrations = new ArrayList<ServiceRegistration<?>>(10);
/**
* @throws BundleException
*/
public void frameworkStart(BundleContext context) throws BundleException {
registrations.clear();
registerEndorsedXMLParser(context);
Dictionary<String, Object> locationProperties = new Hashtable<String, Object>(1);
Location location = LocationManager.getUserLocation();
if (location != null) {
locationProperties.put("type", LocationManager.PROP_USER_AREA); //$NON-NLS-1$
registrations.add(context.registerService(Location.class.getName(), location, locationProperties));
}
location = LocationManager.getInstanceLocation();
if (location != null) {
locationProperties.put("type", LocationManager.PROP_INSTANCE_AREA); //$NON-NLS-1$
registrations.add(context.registerService(Location.class.getName(), location, locationProperties));
}
location = LocationManager.getConfigurationLocation();
if (location != null) {
locationProperties.put("type", LocationManager.PROP_CONFIG_AREA); //$NON-NLS-1$
registrations.add(context.registerService(Location.class.getName(), location, locationProperties));
}
location = LocationManager.getInstallLocation();
if (location != null) {
locationProperties.put("type", LocationManager.PROP_INSTALL_AREA); //$NON-NLS-1$
registrations.add(context.registerService(Location.class.getName(), location, locationProperties));
}
location = LocationManager.getEclipseHomeLocation();
if (location != null) {
locationProperties.put("type", LocationManager.PROP_HOME_LOCATION_AREA); //$NON-NLS-1$
registrations.add(context.registerService(Location.class.getName(), location, locationProperties));
}
Dictionary<String, Object> urlProperties = new Hashtable<String, Object>();
urlProperties.put("protocol", new String[] {"bundleentry", "bundleresource"}); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
registrations.add(context.registerService(URLConverter.class.getName(), new URLConverterImpl(), urlProperties));
registrations.add(AdaptorUtil.register(org.eclipse.osgi.service.environment.EnvironmentInfo.class.getName(), EclipseEnvironmentInfo.getDefault(), context));
registrations.add(AdaptorUtil.register(PlatformAdmin.class.getName(), adaptor.getPlatformAdmin(), context));
PluginConverter converter = PluginConverterImpl.getDefault();
if (converter == null)
converter = new PluginConverterImpl(adaptor, context);
registrations.add(AdaptorUtil.register(PluginConverter.class.getName(), converter, context));
registrations.add(AdaptorUtil.register(CommandProvider.class.getName(), new EclipseCommandProvider(context), context));
registrations.add(AdaptorUtil.register(org.eclipse.osgi.service.localization.BundleLocalization.class.getName(), new BundleLocalizationImpl(), context));
}
private void registerEndorsedXMLParser(BundleContext bc) {
try {
Class.forName(SAXFACTORYNAME);
registrations.add(bc.registerService(SAXFACTORYNAME, new ParsingService(true), null));
Class.forName(DOMFACTORYNAME);
registrations.add(bc.registerService(DOMFACTORYNAME, new ParsingService(false), null));
} catch (ClassNotFoundException e) {
noXML = true;
if (Debug.DEBUG_ENABLED) {
String message = EclipseAdaptorMsg.ECLIPSE_ADAPTOR_ERROR_XML_SERVICE;
adaptor.getFrameworkLog().log(new FrameworkLogEntry(FrameworkAdaptor.FRAMEWORK_SYMBOLICNAME, FrameworkLogEntry.ERROR, 0, message, 0, e, null));
}
}
}
private static class ParsingService implements ServiceFactory<Object> {
private final boolean isSax;
public ParsingService(boolean isSax) {
this.isSax = isSax;
}
public Object getService(Bundle bundle, ServiceRegistration<Object> registration) {
BundleHost host = (bundle instanceof BundleHost) ? (BundleHost) bundle : null;
if (!SET_TCCL_XMLFACTORY || bundle == null)
return createService();
/*
* Set the TCCL while creating jaxp factory instances to the
* requesting bundles class loader. This is needed to
* work around bug 285505. There are issues if multiple
* xerces implementations are available on the bundles class path
*
* The real issue is that the ContextFinder will only delegate
* to the framework class loader in this case. This class
* loader forces the requesting bundle to be delegated to for
* TCCL loads.
*/
final ClassLoader savedClassLoader = Thread.currentThread().getContextClassLoader();
try {
ClassLoader cl = host.getClassLoader();
if (cl != null)
Thread.currentThread().setContextClassLoader(cl);
return createService();
} finally {
Thread.currentThread().setContextClassLoader(savedClassLoader);
}
}
private Object createService() {
if (isSax)
return SAXParserFactory.newInstance();
return DocumentBuilderFactory.newInstance();
}
public void ungetService(Bundle bundle, ServiceRegistration<Object> registration, Object service) {
// Do nothing.
}
}
/**
* @throws BundleException
*/
public void frameworkStop(BundleContext context) throws BundleException {
printStats();
if (!noXML)
PluginParser.releaseXMLParsing();
// unregister services
for (ServiceRegistration<?> registration : registrations)
registration.unregister();
registrations.clear();
}
private void printStats() {
FrameworkDebugOptions debugOptions = FrameworkDebugOptions.getDefault();
if (debugOptions == null)
return;
String registryParsing = debugOptions.getOption("org.eclipse.core.runtime/registry/parsing/timing/value"); //$NON-NLS-1$
if (registryParsing != null)
MessageHelper.debug("Time spent in registry parsing: " + registryParsing); //$NON-NLS-1$
String packageAdminResolution = debugOptions.getOption("debug.packageadmin/timing/value"); //$NON-NLS-1$
if (packageAdminResolution != null)
System.out.println("Time spent in package admin resolve: " + packageAdminResolution); //$NON-NLS-1$
String constraintResolution = debugOptions.getOption("org.eclipse.core.runtime.adaptor/resolver/timing/value"); //$NON-NLS-1$
if (constraintResolution != null)
System.out.println("Time spent resolving the dependency system: " + constraintResolution); //$NON-NLS-1$
}
public void frameworkStopping(BundleContext context) {
// do nothing
}
public void addProperties(Properties properties) {
// do nothing
}
/**
* @throws IOException
*/
public URLConnection mapLocationToURLConnection(String location) throws IOException {
// do nothing
return null;
}
public void handleRuntimeError(Throwable error) {
// do nothing
}
public FrameworkLog createFrameworkLog() {
// do nothing
return null;
}
public void initialize(BaseAdaptor initAdaptor) {
this.adaptor = initAdaptor;
// EnvironmentInfo has to be initialized first to compute defaults for system context (see bug 88925)
EclipseEnvironmentInfo.getDefault();
setDebugOptions();
}
private void setDebugOptions() {
FrameworkDebugOptions options = FrameworkDebugOptions.getDefault();
// may be null if debugging is not enabled
if (options == null)
return;
PluginConverterImpl.DEBUG = options.getBooleanOption(OPTION_CONVERTER, false);
BasicLocation.DEBUG = options.getBooleanOption(OPTION_LOCATION, false);
CachedManifest.DEBUG = options.getBooleanOption(OPTION_CACHEDMANIFEST, false);
}
public void addHooks(HookRegistry hookRegistry) {
hookRegistry.addAdaptorHook(this);
}
}
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