CommonUIPlugin.java

/******************************************************************************* 
 * Copyright (c) 2008 Red Hat, Inc. 
 * Distributed under license by Red Hat, Inc. All rights reserved. 
 * This program is 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: 
 * Red Hat, Inc. - initial API and implementation 
 ******************************************************************************/ 

package org.jboss.tools.common.ui;

import org.jboss.tools.common.log.BaseUIPlugin;
import org.jboss.tools.common.ui.xpl.ImageDescriptorRegistry;
import org.osgi.framework.BundleContext;

/**
 * The activator class controls the plug-in life cycle
 */
public class CommonUIPlugin extends BaseUIPlugin {

	// The plug-in ID
	public static final String PLUGIN_ID = "org.jboss.tools.common.ui"; //$NON-NLS-1$

	// The shared instance
	private static CommonUIPlugin plugin;

	private ImageDescriptorRegistry fImageDescriptorRegistry;

	/**
	 * The constructor
	 */
	public CommonUIPlugin() {
		plugin = this;
	}

	public static ImageDescriptorRegistry getImageDescriptorRegistry() {
		return getDefault().internalGetImageDescriptorRegistry();
	}

	private synchronized ImageDescriptorRegistry internalGetImageDescriptorRegistry() {
		if (fImageDescriptorRegistry == null) {
			fImageDescriptorRegistry= new ImageDescriptorRegistry();
		}
		return fImageDescriptorRegistry;
	}

	/*
	 * (non-Javadoc)
	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
	 */
	public void start(BundleContext context) throws Exception {
		super.start(context);
	}

	/*
	 * (non-Javadoc)
	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
	 */
	public void stop(BundleContext context) throws Exception {
		super.stop(context);
	}

	/**
	 * Returns the shared instance
	 *
	 * @return the shared instance
	 */
	public static CommonUIPlugin getDefault() {
		return plugin;
	}
}