/*
    * Copyright 2001-2004 The Apache Software Foundation.
    * 
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    * 
    *      http://www.apache.org/licenses/LICENSE-2.0
    * 
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.juddi.servlets;
  
  import javax.servlet.ServletConfig;
  import javax.servlet.ServletException;
  import javax.servlet.http.HttpServlet;
  
  import org.apache.commons.configuration.ConfigurationException;
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  import org.apache.juddi.Registry;
  
  /**
   * This servlet is ONLY used to initialize the jUDDI webapp on startup and
   * cleanup the jUDDI webapp on shutdown.
   * 
   * @author Steve Viens (sviens@apache.org)
   */
  public class RegistryServlet extends HttpServlet {
  	
  	private static final long serialVersionUID = 4653310291840334765L;
  	private static Log logger = LogFactory.getLog(RegistryServlet.class);
  
  	/**
  	 * Create the shared instance of jUDDI's Registry class and call it's
  	 * "init()" method to initialize all core components.
  	 */
  	@Override
  	public void init(ServletConfig config) throws ServletException {
  		super.init(config);
  		try {
  			Registry.start();
  		} catch (ConfigurationException e) {
  			logger.error("jUDDI registry could not be started."
  					+ e.getMessage(), e);
  			throw new ServletException(e.getMessage(),e);
  		}
  	}
  	
  	@Override
  	public void destroy() {
  		try {
  			Registry.stop();
  		} catch (ConfigurationException e) {
  			logger.error("jUDDI registry could not be stopped."
  					+ e.getMessage(), e);
  		}
  		super.destroy();
  	}
  
  }