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/*******************************************************************************
* Copyright (c) 2003, 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.osgi.framework.internal.core;
import org.eclipse.osgi.internal.debug.FrameworkDebugOptions;
import java.util.Dictionary;
import java.util.Hashtable;
import org.eclipse.osgi.internal.resolver.StateImpl;
import org.eclipse.osgi.service.resolver.State;
import org.osgi.framework.*;
import org.osgi.service.condpermadmin.ConditionalPermissionAdmin;
/**
* This class activates the System Bundle.
*/
public class SystemBundleActivator implements BundleActivator {
private BundleContext context;
private InternalSystemBundle bundle;
private Framework framework;
private ServiceRegistration<?> packageAdmin;
private ServiceRegistration<?> securityAdmin;
private ServiceRegistration<?> startLevel;
private ServiceRegistration<?> debugOptions;
private ServiceRegistration<?> contextFinder;
public void start(BundleContext bc) throws Exception {
this.context = bc;
bundle = (InternalSystemBundle) bc.getBundle();
framework = bundle.framework;
if (framework.packageAdmin != null)
packageAdmin = register(new String[] {Constants.OSGI_PACKAGEADMIN_NAME}, framework.packageAdmin, null);
if (framework.securityAdmin != null)
securityAdmin = register(new String[] {Constants.OSGI_PERMISSIONADMIN_NAME, ConditionalPermissionAdmin.class.getName()}, framework.securityAdmin, null);
if (framework.startLevelManager != null)
startLevel = register(new String[] {Constants.OSGI_STARTLEVEL_NAME}, framework.startLevelManager, null);
FrameworkDebugOptions dbgOptions = null;
if ((dbgOptions = FrameworkDebugOptions.getDefault()) != null) {
dbgOptions.start(bc);
debugOptions = register(new String[] {org.eclipse.osgi.service.debug.DebugOptions.class.getName()}, dbgOptions, null);
}
ClassLoader tccl = framework.getContextFinder();
if (tccl != null) {
Dictionary<String, Object> props = new Hashtable<String, Object>(7);
props.put("equinox.classloader.type", "contextClassLoader"); //$NON-NLS-1$ //$NON-NLS-2$
contextFinder = register(new String[] {ClassLoader.class.getName()}, tccl, props);
}
// Always call the adaptor.frameworkStart() at the end of this method.
framework.adaptor.frameworkStart(bc);
State state = framework.adaptor.getState();
if (state instanceof StateImpl)
((StateImpl) state).setResolverHookFactory(new CoreResolverHookFactory((BundleContextImpl) context, framework.getServiceRegistry()));
// attempt to resolve all bundles
// this is done after the adaptor.frameworkStart has been called
// this should be the first time the resolver State is accessed
framework.packageAdmin.setResolvedBundles(bundle);
// reinitialize the system bundles localization to take into account system bundle fragments
framework.systemBundle.manifestLocalization = null;
}
public void stop(BundleContext bc) throws Exception {
// Always call the adaptor.frameworkStop() at the begining of this method.
framework.adaptor.frameworkStop(bc);
if (packageAdmin != null)
packageAdmin.unregister();
if (securityAdmin != null)
securityAdmin.unregister();
if (startLevel != null)
startLevel.unregister();
if (debugOptions != null) {
FrameworkDebugOptions dbgOptions = FrameworkDebugOptions.getDefault();
if (dbgOptions != null)
dbgOptions.stop(bc);
debugOptions.unregister();
}
if (contextFinder != null)
contextFinder.unregister();
framework = null;
bundle = null;
this.context = null;
}
/**
* Register a service object.
*
*/
private ServiceRegistration<?> register(String[] names, Object service, Dictionary<String, Object> properties) {
if (properties == null)
properties = new Hashtable<String, Object>(7);
Dictionary<String, String> headers = bundle.getHeaders();
properties.put(Constants.SERVICE_VENDOR, headers.get(Constants.BUNDLE_VENDOR));
properties.put(Constants.SERVICE_RANKING, new Integer(Integer.MAX_VALUE));
properties.put(Constants.SERVICE_PID, bundle.getBundleId() + "." + service.getClass().getName()); //$NON-NLS-1$
return context.registerService(names, service, properties);
}
}
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