/*
    * Copyright 2001-2009 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 java.io.IOException;
  import java.io.PrintWriter;
  import java.util.Iterator;
  
  import javax.servlet.ServletException;
  import javax.servlet.http.HttpServlet;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  import org.apache.commons.collections.Buffer;
  import org.apache.juddi.subscription.NotificationList;
  
  
  /**
   * This servlet is used print out notifications received
   * from subscriptions in the subscription portal. This servlet is
   * used for this demo only and has no other purpose.
   * 
   * @author <a href="mailto:tcunning@apache.org">Tom Cunningham</a>
   */
  public class NotifyServlet extends HttpServlet
  {
  	private static final long serialVersionUID = 4862936257096400737L;
  
  	@SuppressWarnings("unchecked")
  	public void doGet(HttpServletRequest request,
  			HttpServletResponse response) throws
  		ServletException, IOException {
  		StringBuffer sb = new StringBuffer();
  
  		Buffer nl = NotificationList.getInstance().getNotifications();
  		Iterator<String> it = nl.iterator();
  		while (it.hasNext()) {
  			String notification = (String) it.next();		
  			sb.append(notification);
  		}
  		nl.clear();
  		PrintWriter out = response.getWriter();
  		out.println(sb.toString());
  	}
  }