org.eclipse.egf.pattern.ui/src/org/eclipse/egf/pattern/ui/Activator.java

/**
 * Copyright (c) 2009 Thales Corporate Services S.A.S.
 * 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:
 * Thales Corporate Services S.A.S - initial API and implementation
 */
package org.eclipse.egf.pattern.ui;

import org.eclipse.egf.common.activator.EGFAbstractPlugin;
import org.eclipse.egf.core.pde.EGFPDEPlugin;
import org.eclipse.egf.pattern.ui.builder.FcoreListener;
import org.osgi.framework.BundleContext;

/**
 * Common plug-in activator.
 * 
 * @author Xavier Maysonnave
 */
public class Activator extends EGFAbstractPlugin {

    /**
     * Shared instance.
     */
    protected static Activator __plugin;

    /**
     * Get shared instance.
     * 
     * @return
     */
    public static Activator getDefault() {
        return __plugin;
    }

    @Override
    public void start(BundleContext context_p) throws Exception {
        super.start(context_p);
        __plugin = this;
        EGFPDEPlugin.getDefault().addResourceFcoreListener(FcoreListener.INSTANCE);
    }

    @Override
    public void stop(BundleContext context_p) throws Exception {
        __plugin = null;
        if (EGFPDEPlugin.getDefault() != null)
            EGFPDEPlugin.getDefault().removeResourceFcoreListener(FcoreListener.INSTANCE);
        super.stop(context_p);
    }

}