ch2.servletController
Class Controller

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          ch2.servletController.Controller

All Implemented Interfaces:

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

public class Controller
extends javax.servlet.http.HttpServlet

The controller is the servlet that encapulates the logic of the application. In its simplest form, it will determine the location of the next JSP, based upon the name of the button that the user clicked.

See Also:

Serialized Form

Constructor Summary

Controller()

Method Summary

protected void

doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) When the browser makes a GET request, this is the method in the controller that is called.

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

When the browser makes a GET request, this is the method in the controller that is called.

Overrides:

doGet in class javax.servlet.http.HttpServlet

Parameters:

request - Encapsulates all of the request information that is needed to communicate with the browser.

response - Encapsulates all of the response information that is needed to communicate with the browser.

Throws:

javax.servlet.ServletException - A servlet exception is a severe error that will prevent further processing.

java.io.IOException - An IO exception is a severe error that will prevent further processing.