ch3.defaultValidate
Class Controller

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

All Implemented Interfaces:

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

public class Controller
extends javax.servlet.http.HttpServlet

Uses a bean to perform default validation. This is the first controller that reuses the JSPs from an earlier example. The address for the JSPs includes a path.

See Also:

Serialized Form

Constructor Summary

Controller()

Method Summary

protected void

doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) The overridden method from HttpServlet to handle the GET request from the browser.

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

The overridden method from HttpServlet to handle the GET request from the browser. Uses a bean that implements default validation. The bean is placed in the session, so that JSPs can access the validated data. The data from the request is copied into the bean.

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