/*******************************************************************************
 * Copyright (c) 2006 Sybase, 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:
 *     Sybase, Inc. - initial API and implementation
 *******************************************************************************/
package org.eclipse.jst.pagedesigner.jsp.core;

import java.util.MissingResourceException;
import java.util.ResourceBundle;

import org.eclipse.core.runtime.Plugin;
import org.osgi.framework.BundleContext;

/**
 * The main plugin class to be used in the desktop.
 */
public class JSPCorePlugin extends Plugin {
	// The shared instance.
	private static JSPCorePlugin plugin;

	// Resource bundle.
	private ResourceBundle resourceBundle;

	/**
	 * The constructor.
	 */
	public JSPCorePlugin() {
		super();
		plugin = this;
		try {
			resourceBundle = ResourceBundle
					.getBundle("org.eclipse.jst.pagedesigner.jsp.core.JSPCorePluginResources"); //$NON-NLS-1$
		} catch (MissingResourceException x) {
			resourceBundle = null;
		}
	}

	/**
	 * This method is called upon plug-in activation
	 */
	public void start(BundleContext context) throws Exception {
		super.start(context);
	}

	/**
	 * This method is called when the plug-in is stopped
	 */
	public void stop(BundleContext context) throws Exception {
		super.stop(context);
	}

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

	/**
	 * Returns the string from the plugin's resource bundle, or 'key' if not
	 * found.
	 * @param key 
	 * @return the string for key or 'key' if not found in the default resource bundle
	 */
	public static String getResourceString(String key) {
		ResourceBundle bundle = JSPCorePlugin.getDefault().getResourceBundle();
		try {
			return (bundle != null) ? bundle.getString(key) : key;
		} catch (MissingResourceException e) {
			return key;
		}
	}

	/**
	 * Returns the plugin's resource bundle,
	 * @return the resource bundle
	 */
	public ResourceBundle getResourceBundle() {
		return resourceBundle;
	}

	/**
	 * @return the plugin id
	 */
	public static String getPluginId() {
		return getDefault().getBundle().getSymbolicName();
	}
}