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/*******************************************************************************
* Copyright (c) 2004 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.discovery;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
/**
* The main plugin class to be used in the desktop.
*/
public class DiscoveryPlugin implements BundleActivator {
// The shared instance.
private static DiscoveryPlugin plugin;
/**
* The constructor.
*/
public DiscoveryPlugin() {
super();
plugin = this;
}
/**
* This method is called upon plug-in activation
* @param context
* @throws Exception
*/
public void start(BundleContext context) throws Exception {
}
/**
* This method is called when the plug-in is stopped
* @param context
* @throws Exception
*/
public void stop(BundleContext context) throws Exception {
plugin = null;
}
/**
* Returns the shared instance.
* @return default discovery plugin instance.
*/
public synchronized static DiscoveryPlugin getDefault() {
if (plugin == null) {
plugin = new DiscoveryPlugin();
}
return plugin;
}
}
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