Web
Class LifeCycleServlet

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          Web.LifeCycleServlet

All Implemented Interfaces:

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

public class LifeCycleServlet

extends javax.servlet.http.HttpServlet

A quick Servlet to demonstrate a Serlvet's lifecycle. Collects all the lifecycle events and sticks them in an ArrayList. This list is then displayed during either the doGet() or doPost() method call.

Version:

1.0

See Also:

Serialized Form

Field Summary

private java.util.List

callList

Fields inherited from class javax.servlet.http.HttpServlet

Fields inherited from class javax.servlet.GenericServlet

Constructor Summary

LifeCycleServlet()
Construct the Servlet noting the current lifecycle state

Method Summary

private java.lang.String	createState(java.lang.String message) createState creates a state string for storage adding a date...
void	destroy() Destroys the servlet.
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.
java.lang.String	getServletInfo() Returns a short description of the servlet.
void	init(javax.servlet.ServletConfig config) Initializes the servlet.
protected 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

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

callList

private java.util.List callList

Constructor Detail

LifeCycleServlet

public LifeCycleServlet()

Construct the Servlet noting the current lifecycle state

Method Detail

init

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

Initializes the servlet.

Throws:

javax.servlet.ServletException

destroy

public void destroy()

Destroys the servlet.

processRequest

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

Processes requests for both HTTP GET and POST methods.

Parameters:

request - servlet request

response - servlet response

Throws:

javax.servlet.ServletException

java.io.IOException

doGet

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

Handles the HTTP GET method.

Parameters:

request - servlet request

response - servlet response

Throws:

javax.servlet.ServletException

java.io.IOException

doPost

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

Handles the HTTP POST method.

Parameters:

request - servlet request

response - servlet response

Throws:

javax.servlet.ServletException

java.io.IOException

getServletInfo

public java.lang.String getServletInfo()

Returns a short description of the servlet.

createState

private java.lang.String createState(java.lang.String message)

createState creates a state string for storage adding a date...