Listing 1 

The LogonForm Bean (logon.LogonForm)

package logon;

import org.apache.struts.action.ActionForm;

public class LogonForm extends ActionForm {

/** 

* A String variable representing our username field

*/ protected String username;

/** 

* A String variable representing our password field

*/ protected String password;

 /** 

* A method to get the username form field. Will be 

* used in LogonAction class to retrieve the username 

*/ 

public String getUsername() {

 return username;

 }

/** 

* A method to set the username form field. This is 

* called on using introspection from the ActionServlet 

* controller 

*/ 

public void setUsername(String username) {

this.username = username; 

}

 /** 

* A method to set the password form field. This is

 * called on using introspection from the ActionServlet 

* controller 

*/ 

public void setPassword(String password) {

 this.password = password; 

}

/** 

* A method to get the password form field. Will be 

* used in LogonAction to retrieve the username 

*/ 

public String getPassword() { 

return password; 

}

}

Listing 2

The Action Class (LogonAction.java)

package logon;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.*;

public class LogonAction extends Action

{

/** 

* This is the method called on by ActionServlet 

* when a request is made for our logon action. 

* "mapping" is a class representation of our 

* logon action as defined in action.xml. 

* "form" is our form bean that we created for 

* this action, it should be an instance of 

* "LogonForm". 

*/

 public ActionForward perform( ActionMapping mapping,

 ActionForm form, HttpServletRequest request, HttpServletResponse response) 

{

 //turn our form instance into our custom form bean 

LogonForm theForm = (LogonForm) form; 

//get the username and password from our 

//form, they were set using the struts form 

//tags in logon.jsp 

String username = theForm.getUsername(); 

String password = theForm.getPassword();

 if 

(username.equals(password)) { 

// then get an ActionForward that

 // maps to the logical name "success"

// and return it return mapping.findForward("success"); 

}

 else 

{ 

//return an ActionForward respresenting

 //the logical failure page 

return mapping.findForward("failure"); 

} 

}

}

Listing 3

The Mapping (struts-config.xml)

<?xml version="1.0" encoding="ISO-8859-1" ?>

<!DOCTYPE struts-config PUBLIC

 "-//Apache Software Foundation //DTD Struts Configuration 1.0 //EN"

"http://jakarta.apache.org/struts/dtds/ struts-config_1_0.dtd">

<struts-config> 

<form-beans> 

<form-bean name="logonForm" type="logon.LogonForm"/> 

</form-beans>

 <action-mappings> 

<action path="/logon" type="logon.LogonAction" name="logonForm" scope="request" input="/logon.jsp">

 <forward name="success" path="/success.jsp" /> 

<forward name="failure" path="/failure.jsp" /> 

</action> 

</action-mappings>

</struts-config>>

Listing 4 

?xml version="1.0" encoding="ISO-8859-1" ?

<!DOCTYPE web-app PUBLIC 

'-//Sun Microsystems, Inc.//DTD Web Application2.3//EN' 

'http://java.sun.com/dtd/web-app_2_3.dtd'>

<web-app> 

<servlet> 

<!--Inside of Here we define all servlet information. --> 

<servlet-name>action</servlet-name> 

<!-- This is the controller for our application. --> 

<servlet class>org.apache.struts.action. 

ActionServlet</servlet-class> 

<init-param> 

<param-name>config</param-name>

<param-value>/WEB-INF/struts-config.xml</param-value> 

</init-param>

<init-param> 

<param-name>validate

</param-name>

<param-value>true</param-value> 

</init-param> 

<load-on-startup>1</load-on-startup> 

</servlet> 

<servlet-mapping> 

<!--See the Servlet specification for exact information. --> 

<!--This code sends requests with a ".do" extension to the ActionServlet controller.--> 

<servlet-name>action</servlet-name> 

<url-pattern>*.do</url-pattern> 

</servlet-mapping>

</web-app>