ch5
Class TestRegEx

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          ch5.TestRegEx

All Implemented Interfaces:

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

public class TestRegEx
extends javax.servlet.http.HttpServlet

Tests the input from the user against several regular expressions.

See Also:

Serialized Form

Constructor Summary

TestRegEx()

Method Summary

protected void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Handles the HTTP GET method.
void	init() When the servlet is loaded into memory, define the regular expressions that will be used.

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, log, log

Methods inherited from class java.lang.Object

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

Constructor Detail

TestRegEx

public TestRegEx()

Method Detail

init

public void init()

When the servlet is loaded into memory, define the regular expressions that will be used.

zip

\d{5}(?:-\d{4})?

ssn

\d{3}(-?)\d{2}\1\d{4}

id

\[a-zA-Z]{3,5}[a-zA-Z0-9]?\d{2}

Overrides:

init in class javax.servlet.GenericServlet

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. Perform some tests on predefined values and perform tests on the data the user enters.

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