/*******************************************************************************
 * Copyright (c) 2003, 2006 IBM Corporation 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:
 * IBM Corporation - initial API and implementation
 * yyyymmdd bug      Email and other contact information
 * -------- -------- -----------------------------------------------------------
 * 20060424   115690 sengpl@ca.ibm.com - Seng Phung-Lu
 *******************************************************************************/
package org.eclipse.jst.ws.internal.ui.plugin;

import java.net.MalformedURLException;
import java.net.URL;

import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ui.plugin.AbstractUIPlugin;


/**
* This is the plugin class for the Web Services plugin.
* <p>
* This plugin contains the graphic user interface to the
* Web Services runtime found in org.eclipse.jst.ws.
*/
public class WebServiceUIPlugin extends AbstractUIPlugin
{

  /**
  * The identifier of the descriptor of this plugin in plugin.xml.
  */
  public static final String ID = "org.eclipse.jst.ws.ui";

  /**
  * The reference to the singleton instance of this plugin.
  */
  private static WebServiceUIPlugin instance_;

  /**
   * Constructs a runtime plugin object for this plugin.
   */
  public WebServiceUIPlugin() {
	super();
	instance_ = this;
  }

  /**
  * Returns the singleton instance of this plugin. Equivalent to calling
  * (WebServiceUIPlugin)Platform.getPlugin("org.eclipse.jst.ws.ui");
  * @return The WebServiceUIPlugin singleton.
  */
  static public WebServiceUIPlugin getInstance() {
    return instance_;
  }
		
  /**
  * Returns an image descriptor for the named resource
  * as relative to the plugin install location.
  * @return An image descriptor, possibly null.
  */
	public static ImageDescriptor getImageDescriptor(String name) {
		try {
			URL installURL = instance_.getBundle().getEntry("/");
			URL imageURL = new URL(installURL, name);
			return ImageDescriptor.createFromURL(imageURL);
		} catch (MalformedURLException e) {
      return null;
    }
  }

}