/**
 * <copyright> Copyright (c) 2006 by Know-Center, Graz, Austria </copyright>
 * 
 * This software is the confidential and proprietary information of Know-Center,
 * Graz, Austria. You shall not disclose such Confidential Information and shall
 * use it only in accordance with the terms of the license agreement you entered
 * into with Know-Center.
 * 
 * KNOW-CENTER MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
 * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
 * NON-INFRINGEMENT. KNOW-CENTER SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY
 * LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
 * DERIVATIVES.
 * 
 * $Id: SignPreview.java,v 1.2 2006/10/11 07:39:13 wprinz Exp $
 */
package at.knowcenter.wag.egov.egiz.web.servlets;

import java.io.IOException;

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

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import at.gv.egiz.pdfas.web.SignSessionInformation;
import at.gv.egiz.pdfas.web.helper.SessionHelper;
import at.gv.egiz.pdfas.web.helper.SignServletHelper;
import at.knowcenter.wag.egov.egiz.exceptions.PresentableException;

/**
 * @author wprinz
 */
public class SignPreviewServlet extends HttpServlet
{

   protected static Log logger = LogFactory.getLog(SignPreviewServlet.class);

  /**
   * SVUID.
   */
  private static final long serialVersionUID = -8818532511322299998L;

  protected void dispatch(HttpServletRequest request,
      HttpServletResponse response, String resource) throws ServletException, IOException
  {
    response.setContentType("text/html");
    response.setCharacterEncoding("UTF-8");

    RequestDispatcher disp = getServletContext().getRequestDispatcher(resource);
    disp.forward(request, response);
  }

  protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
  {
    try
    {
      Object sessionObject = SessionHelper.getSession(request);
      
      SignSessionInformation si = (SignSessionInformation) sessionObject;
      
      SignServletHelper.finishSign(si, request, response, getServletContext());
    }
    catch (PresentableException e)
    {
      logger.error(e.getMessage(), e);

      SignServlet.prepareDispatchToErrorPage(e, request);
      dispatch(request, response, "/jsp/error.jsp");
    }
  }
}