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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.launch.core.activator;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.ILaunchConfigurationListener;
import org.eclipse.tcf.te.launch.core.internal.DelegatingLaunchConfigurationListener;
import org.eclipse.tcf.te.runtime.preferences.ScopedEclipsePreferences;
import org.eclipse.tcf.te.runtime.tracing.TraceHandler;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
/**
* The activator class controls the plug-in life cycle
*/
public class CoreBundleActivator implements BundleActivator {
// The bundle context
private static BundleContext context;
// The scoped preferences instance
private static volatile ScopedEclipsePreferences scopedPreferences;
// The trace handler instance
private static volatile TraceHandler traceHandler;
// The launch config listener to delegate launch config changes to the launch manager delegate
private ILaunchConfigurationListener launchConfigListener;
/**
* 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.launch.core"; //$NON-NLS-1$
}
/**
* Return the scoped preferences for this plugin.
*/
public static ScopedEclipsePreferences getScopedPreferences() {
if (scopedPreferences == null) {
scopedPreferences = new ScopedEclipsePreferences(getUniqueIdentifier());
}
return scopedPreferences;
}
/**
* 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;
launchConfigListener = new DelegatingLaunchConfigurationListener();
DebugPlugin.getDefault().getLaunchManager().addLaunchConfigurationListener(launchConfigListener);
}
/*
* (non-Javadoc)
* @see org.osgi.framework.BundleActivator#stop(org.osgi.framework.BundleContext)
*/
@Override
public void stop(BundleContext bundleContext) throws Exception {
CoreBundleActivator.context = null;
scopedPreferences = null;
traceHandler = null;
DebugPlugin.getDefault().getLaunchManager().removeLaunchConfigurationListener(launchConfigListener);
launchConfigListener = null;
}
}
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