Android Open Source - GeoTagger Servlet With View

From Project

Back to project page GeoTagger.

License

The source code is released under:

GNU General Public License

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Java Source Code

package horizon.geotagger.server;
/*from   w  w w  .  ja v  a2  s.  c om*/
import java.io.IOException;
import java.util.Map;

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

import org.apache.log4j.Logger;

public abstract class ServletWithView 
extends HttpServlet
{
  private static final long serialVersionUID = -6338041578551530078L;
  
  private static Logger logger = Logger.getLogger(ServletWithView.class);

  @Override
  protected final void doDelete(
      HttpServletRequest request, HttpServletResponse response)
  throws  ServletException,
      IOException 
  {  
    try
    {
      forward(request, response, handleDelete(request, response));
    }
    catch(UnsupportedOperationException e)
    {
      logger.warn(e.getMessage(), e);
      super.doDelete(request, response);
    }
    catch(Exception e)
    {
      throw new ServletException(e);
    }
  }

  @Override
  protected final void doGet(
      HttpServletRequest request, HttpServletResponse response)
  throws  ServletException,
      IOException 
  {
    try
    {
      forward(request, response, handleGet(request, response));
    }
    catch(UnsupportedOperationException e)
    {
      logger.warn(e.getMessage(), e);
      super.doGet(request, response);
    }
    catch(Exception e)
    {
      throw new ServletException(e);
    }
  }

  @Override
  protected final void doPost(
      HttpServletRequest request, HttpServletResponse response)
  throws  ServletException,
      IOException 
  {
    try
    {
      forward(request, response, handlePost(request, response));
    }
    catch(UnsupportedOperationException e)
    {
      logger.warn(e.getMessage(), e);
      super.doPost(request, response);
    }
    catch(Exception e)
    {
      throw new ServletException(e);
    }
  }

  @Override
  protected final void doPut(
      HttpServletRequest request, HttpServletResponse response)
  throws  ServletException,
      IOException 
  {
    try
    {
      forward(request, response, handlePut(request, response));
    }
    catch(UnsupportedOperationException e)
    {
      logger.warn(e.getMessage(), e);
      super.doPut(request, response);
    }
    catch(Exception e)
    {
      throw new ServletException(e);
    }
  }
  
  protected ModelAndView handleDelete(
      HttpServletRequest request, HttpServletResponse response)
  throws Exception
  {
    throw new UnsupportedOperationException();
  }
  
  protected ModelAndView handleGet(
      HttpServletRequest request, HttpServletResponse response)
  throws Exception
  {
    throw new UnsupportedOperationException();
  }
  
  protected ModelAndView handlePost(
      HttpServletRequest request, HttpServletResponse response)
  throws Exception
  {
    throw new UnsupportedOperationException();
  }
  
  protected ModelAndView handlePut(
      HttpServletRequest request, HttpServletResponse response)
  throws Exception
  {
    throw new UnsupportedOperationException();
  }
  
  private void forward(
      HttpServletRequest request, HttpServletResponse response, ModelAndView modelAndView)
  throws  ServletException,
      IOException
  {
    for(Map.Entry<String, Object> entry : modelAndView.getModel().entrySet())
      request.setAttribute(entry.getKey(), entry.getValue());
    request.getRequestDispatcher(modelAndView.getView())
        .forward(request, response);
  }
}

Java Source Code List