ch3.startExample
Class Controller

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          ch3.startExample.Controller

All Implemented Interfaces:

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

public class Controller
extends javax.servlet.http.HttpServlet

A more complex example that has two fields and the process page will have a button to return to the edit page.

All pages except the edit page will need hidden fields.

See Also:

Serialized Form

Constructor Summary

Controller()

Method Summary

protected void

doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Handles the HTTP GET method.

Methods inherited from class javax.servlet.http.HttpServlet

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

Methods inherited from class javax.servlet.GenericServlet

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

Methods inherited from class java.lang.Object

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

Constructor Detail

Controller

public Controller()

Method Detail

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.

This is the same controller from Chapter 2: translate the button name into an address and forward the request and response to that address. The difference between this app and the previous is contained in the JSPs.

Overrides:

doGet in class javax.servlet.http.HttpServlet

Parameters:

request - Request information encapsulated in a Java object

response - Response information encapsulated in a Java object

Throws:

javax.servlet.ServletException

java.io.IOException