dtw.webmail
Class JwmaController

java.lang.Object
  |
  +--javax.servlet.GenericServlet
        |
        +--javax.servlet.http.HttpServlet
              |
              +--dtw.webmail.JwmaController

All Implemented Interfaces:

java.io.Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

public class JwmaController

extends javax.servlet.http.HttpServlet

Class extending the HttpServlet to implement the main controller of jwma.

Please see the related documentation for more detailed information on process flow and functionality.

Version:

0.9.7 07/02/2003

Author:

Dieter Wimberger

See Also:

Serialized Form

Constructor Summary

JwmaController()

Method Summary

java.lang.String	getServletInfo() Returns servlet info as String.
void	init(javax.servlet.ServletConfig config) Initializes the servlet when it is loaded by the servlet engine.
void	service(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse res) Handles the incoming requests.

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doGet, doOptions, doPost, doPut, doTrace, getLastModified, service

Methods inherited from class javax.servlet.GenericServlet

destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletName, init, log, log

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

JwmaController

public JwmaController()

Method Detail

init

public void init(javax.servlet.ServletConfig config)
          throws javax.servlet.ServletException

Initializes the servlet when it is loaded by the servlet engine.

This implementation "boots" jwma by starting up the JwmaKernel.

Specified by:

init in interface javax.servlet.Servlet

Overrides:

init in class javax.servlet.GenericServlet

Parameters:

config - the configuration as ServletConfig

Throws:

javax.servlet.ServletException - if initialization fails.

See Also:

JwmaKernel

service

public void service(javax.servlet.http.HttpServletRequest req,
                    javax.servlet.http.HttpServletResponse res)
             throws javax.servlet.ServletException,
                    java.io.IOException

Handles the incoming requests.

This implementation ensures authenticated session existence, retrieves the acton and todo parameters, and dispatches all valid actions to the target dispatchers.

The flow of the process is described in the related documentation.

Application related errors/exceptions are handled by forwarding the request to an error page, or the actual page in case of an inlined error.

Overrides:

service in class javax.servlet.http.HttpServlet

Parameters:

req - a reference to the actual HttpServletRequest instance.

res - a reference to the actual HttpServletResponse instance.

Throws:

javax.servlet.ServletException - if servlet related operations fail.

java.io.IOException - if i/o operations fail.

getServletInfo

public java.lang.String getServletInfo()

Returns servlet info as String.

Specified by:

getServletInfo in interface javax.servlet.Servlet

Overrides:

getServletInfo in class javax.servlet.GenericServlet

Returns:

Info about this servlet as String.