org.nuiton.rss
Class BaseServlet<D>

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          org.nuiton.rss.BaseServlet<D>

Type Parameters:

D - la classe de l'object de delegation

All Implemented Interfaces:

Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

Direct Known Subclasses:

RSSGeneratorServlet, RSSServlet

public abstract class BaseServlet<D>
extends javax.servlet.http.HttpServlet

Servlet de base

Author:

chemit

See Also:

Serialized Form

Field Summary

protected D	delegate L'objet de delegation du metier de la servlet
protected static org.apache.commons.logging.Log	log to use log facility, just put in your code: log.info(\"...\");

Constructor Summary

BaseServlet()

Method Summary

protected Integer	convertToInt(String parameter)
protected void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Handles the HTTP GET method.
protected void	doPost(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Handles the HTTP POST method.
String	getServletInfo() Returns a short description of the servlet.
void	init(javax.servlet.ServletConfig config)
protected void	init(javax.servlet.ServletConfig config, boolean initConfig)
protected abstract ConfigInitializer<javax.servlet.ServletConfig,?>	newConfigInitializer()
protected abstract D	newDelegate()
protected abstract void	processRequest(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Processes requests for both HTTP GET and POST methods.

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doHead, doOptions, doPut, doTrace, getLastModified, service, 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

Field Detail

log

protected static final org.apache.commons.logging.Log log

to use log facility, just put in your code: log.info(\"...\");

delegate

protected transient D delegate

L'objet de delegation du metier de la servlet

Constructor Detail

BaseServlet

public BaseServlet()

Method Detail

newDelegate

protected abstract D newDelegate()
                          throws Exception

Returns:

the new delegate object to be used by servlet

Throws:

Exception - if any problem while instanciation

newConfigInitializer

protected abstract ConfigInitializer<javax.servlet.ServletConfig,?> newConfigInitializer()

Returns:

a new ConfigInitializer to be used in init(ServletConfig, boolean) method to prepare default config.

processRequest

protected abstract void processRequest(javax.servlet.http.HttpServletRequest request,
                                       javax.servlet.http.HttpServletResponse response)
                                throws javax.servlet.ServletException,
                                       IOException

Processes requests for both HTTP GET and POST methods.

Parameters:

request - servlet request

response - servlet response

Throws:

IOException - TODO

javax.servlet.ServletException - TODO

init

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

Specified by:

init in interface javax.servlet.Servlet

Overrides:

init in class javax.servlet.GenericServlet

Throws:

javax.servlet.ServletException

init

protected void init(javax.servlet.ServletConfig config,
                    boolean initConfig)
             throws javax.servlet.ServletException

Throws:

javax.servlet.ServletException

convertToInt

protected Integer convertToInt(String parameter)

doGet

protected void doGet(javax.servlet.http.HttpServletRequest request,
                     javax.servlet.http.HttpServletResponse response)
              throws javax.servlet.ServletException,
                     IOException

Handles the HTTP GET method.

Overrides:

doGet in class javax.servlet.http.HttpServlet

Parameters:

request - servlet request

response - servlet response

Throws:

javax.servlet.ServletException

IOException

doPost

protected void doPost(javax.servlet.http.HttpServletRequest request,
                      javax.servlet.http.HttpServletResponse response)
               throws javax.servlet.ServletException,
                      IOException

Handles the HTTP POST method.

Overrides:

doPost in class javax.servlet.http.HttpServlet

Parameters:

request - servlet request

response - servlet response

Throws:

javax.servlet.ServletException

IOException

getServletInfo

public String getServletInfo()

Returns a short description of the servlet.

Specified by:

getServletInfo in interface javax.servlet.Servlet

Overrides:

getServletInfo in class javax.servlet.GenericServlet