/*
 * Copyright 2003 Federal Chancellery Austria
 * MOA-ID has been developed in a cooperation between BRZ, the Federal
 * Chancellery Austria - ICT staff unit, and Graz University of Technology.
 *
 * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
 * the European Commission - subsequent versions of the EUPL (the "Licence");
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
 * http://www.osor.eu/eupl/
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the Licence is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Licence for the specific language governing permissions and
 * limitations under the Licence.
 *
 * This product combines work with different licenses. See the "NOTICE" text
 * file for details on the various modules and licenses.
 * The "NOTICE" text file is part of the distribution. Any derivative works
 * that you distribute must include a readable copy of the "NOTICE" text file.
 */


package at.gv.egovernment.moa.id.proxy.servlet;

import java.io.IOException;
import java.text.DateFormat;
import java.util.Date;
import java.util.Locale;

import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import at.gv.egovernment.moa.id.proxy.MOAIDProxyInitializer;
import at.gv.egovernment.moa.id.util.HTTPRequestJSPForwarder;
import at.gv.egovernment.moa.id.util.MOAIDMessageProvider;
import at.gv.egovernment.moa.logging.Logger;

/**
 * Servlet requested for updating the MOA-ID Auth configuration from configuration file
 * 
 * @author Paul Ivancsics
 * @version $Id$
 */
public class ConfigurationServlet extends HttpServlet {

  /**
	 * 
	 */
	private static final long serialVersionUID = -886733697373217942L;

/**
   * Handle a HTTP GET request, used to indicated that the MOA
   * configuration needs to be updated (reloaded).
   * 
   * @see javax.servlet.http.HttpServlet#doGet(HttpServletRequest, HttpServletResponse)
   */
  public void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {

    MOAIDMessageProvider msg = MOAIDMessageProvider.getInstance();
    try {
      MOAIDProxyInitializer.initialize();

			String message = msg.getMessage("config.00", new Object[] 
				{ DateFormat.getTimeInstance(DateFormat.MEDIUM, Locale.GERMAN).format(new Date())} );
      Logger.info(message);
			
			HTTPRequestJSPForwarder.forwardNamed(message, "/message-proxy.jsp", getServletContext(), request, response);
    } catch (Throwable t) {
      String errorMessage = msg.getMessage("config.04", null);
      Logger.error(errorMessage, t);
			HTTPRequestJSPForwarder.forwardNamed(errorMessage, "/message-proxy.jsp", getServletContext(), request, response);
    }
  }

  /**
   * Do the same as <code>doGet</code>.
   * 
   * @see javax.servlet.http.HttpServlet#doPost(HttpServletRequest, HttpServletResponse)
   */
  public void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
    doGet(request, response);
  }
	
/**
 * Calls the web application initializer.
 * 
 * @see javax.servlet.Servlet#init(ServletConfig)
 */
public void init(ServletConfig servletConfig) throws ServletException {
	super.init(servletConfig);
}

}