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/****************************************************************************
* Copyright (c) 2007 Composent, 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:
* Composent, Inc. - initial API and implementation
*****************************************************************************/
package org.eclipse.ecf.internal.presence.collab.ui;
import org.eclipse.ecf.core.IContainerManager;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;
import org.osgi.util.tracker.ServiceTracker;
/**
* The activator class controls the plug-in life cycle
*/
public class Activator extends AbstractUIPlugin {
// The plug-in ID
public static final String PLUGIN_ID = "org.eclipse.ecf.presence.collab.ui"; //$NON-NLS-1$
// The shared instance
private static Activator plugin;
private BundleContext context;
private ServiceTracker containerManagerTracker;
/**
* The constructor
*/
public Activator() {
// nothing
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
*/
public void start(BundleContext context1) throws Exception {
super.start(context1);
plugin = this;
this.context = context1;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
*/
public void stop(BundleContext context1) throws Exception {
super.stop(context1);
if (containerManagerTracker != null) {
containerManagerTracker.close();
containerManagerTracker = null;
}
plugin = null;
this.context = null;
}
/**
* Returns the shared instance
*
* @return the shared instance
*/
public static Activator getDefault() {
return plugin;
}
public IContainerManager getContainerManager() {
if (containerManagerTracker == null) {
containerManagerTracker = new ServiceTracker(context, IContainerManager.class.getName(), null);
containerManagerTracker.open();
}
return (IContainerManager) containerManagerTracker.getService();
}
}
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