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/*******************************************************************************
* Copyright (c) 2007 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 com.windriver.debug.tcf.ui;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.BundleEvent;
import org.osgi.framework.BundleListener;
import com.windriver.debug.tcf.ui.model.TCFModelManager;
/**
* The activator class controls the plug-in life cycle
*/
public class TCFUI extends AbstractUIPlugin {
// The plug-in ID
public static final String PLUGIN_ID = "com.windriver.debug.tcf.ui";
// The shared instance
private static TCFUI plugin;
private static TCFModelManager model_manager;
private static final BundleListener bundle_listener = new BundleListener() {
public void bundleChanged(BundleEvent event) {
if (plugin != null && event.getBundle() == plugin.getBundle() &&
plugin.getBundle().getState() != Bundle.ACTIVE && model_manager != null) {
model_manager.dispose();
model_manager = null;
}
}
};
/**
* The constructor
*/
public TCFUI() {
plugin = this;
}
/*
* (non-Javadoc)
* @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
*/
public void start(BundleContext context) throws Exception {
super.start(context);
context.addBundleListener(bundle_listener);
}
/*
* (non-Javadoc)
* @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
*/
public void stop(BundleContext context) throws Exception {
plugin = null;
super.stop(context);
}
/**
* Returns the shared instance
*
* @return the shared instance
*/
public static TCFUI getDefault() {
return plugin;
}
/**
* Returns the shared TCFModel instance
*
* @return the shared TCFModel instance
*/
public static TCFModelManager getModelManager() {
if (plugin != null && model_manager == null && plugin.getBundle().getState() == Bundle.ACTIVE) {
model_manager = new TCFModelManager();
}
return model_manager;
}
}
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