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/*******************************************************************************
* Copyright (c) 2011, 2012 Wind River Systems, Inc. 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.te.tcf.core.activator;
import java.util.Hashtable;
import org.eclipse.tcf.osgi.services.IValueAddService;
import org.eclipse.tcf.te.runtime.tracing.TraceHandler;
import org.eclipse.tcf.te.tcf.core.internal.Startup;
import org.eclipse.tcf.te.tcf.core.osgi.ValueAddService;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceRegistration;
/**
* The activator class controls the plug-in life cycle
*/
public class CoreBundleActivator implements BundleActivator {
// The bundle context
private static BundleContext context;
// The trace handler instance
private static volatile TraceHandler traceHandler;
// The value-add OSGi service registration
private ServiceRegistration<IValueAddService> valueAddService;
/**
* Returns the bundle context
*
* @return the bundle context
*/
public static BundleContext getContext() {
return context;
}
/**
* Convenience method which returns the unique identifier of this plugin.
*/
public static String getUniqueIdentifier() {
if (getContext() != null && getContext().getBundle() != null) {
return getContext().getBundle().getSymbolicName();
}
return "org.eclipse.tcf.te.tcf.core"; //$NON-NLS-1$
}
/**
* Returns the bundles trace handler.
*
* @return The bundles trace handler.
*/
public static TraceHandler getTraceHandler() {
if (traceHandler == null) {
traceHandler = new TraceHandler(getUniqueIdentifier());
}
return traceHandler;
}
/* (non-Javadoc)
* @see org.osgi.framework.BundleActivator#start(org.osgi.framework.BundleContext)
*/
@Override
public void start(BundleContext bundleContext) throws Exception {
CoreBundleActivator.context = bundleContext;
// Register the value-add OSGi service instance
valueAddService = bundleContext.registerService(IValueAddService.class, ValueAddService.getInstance(), new Hashtable<String, String>());
}
/* (non-Javadoc)
* @see org.osgi.framework.BundleActivator#stop(org.osgi.framework.BundleContext)
*/
@Override
public void stop(BundleContext bundleContext) throws Exception {
CoreBundleActivator.context = null;
// Mark the core framework as not started anymore
Startup.setStarted(false);
traceHandler = null;
if (valueAddService != null) { valueAddService.unregister(); valueAddService = null; }
}
}
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