/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.test.web.servlets;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * A servlet that sends error responses based on the errorCode parameter.
 * 
 * @author  Scott.Stark@jboss.org
 * @version $Revision$
 */
public class ErrorGeneratorServlet extends HttpServlet
{
   /**
    * Issues a response.sendError() for the errorCode parameter passed in. If
    * there is no errorCode parameter an IllegalStateException is thrown.
    * 
    * @param request
    * @param response
    * @throws ServletException
    * @throws IOException
    */ 
   protected void processRequest(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException
   {
      String errorCode = request.getParameter("errorCode");
      if( errorCode == null )
         throw new IllegalStateException("No errorCode parameter seen");

      int code = Integer.parseInt(errorCode);
      response.sendError(code);
   }

   protected void doGet(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException
   {
      processRequest(request, response);
   }

   protected void doPost(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException
   {
      processRequest(request, response);
   }
   
}
