WEB.XML
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
    <display-name>Hello World Struts Application</display-name>
    <servlet>
        <servlet-name>action</servlet-name>
        <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>debug</param-name>
            <param-value>3</param-value>
        </init-param>
        <init-param>
            <param-name>detail</param-name>
            <param-value>3</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
        </servlet>
    <servlet-mapping>
        <servlet-name>action</servlet-name>
        <url-pattern>*.do</url-pattern>
    </servlet-mapping>
    <taglib>
    <taglib-uri>/WEB-INF/struts-html.tld</taglib-uri>
    <taglib-location>/WEB-INF/struts-html.tld</taglib-location>
    </taglib>


    <taglib>
    <taglib-uri>/WEB-INF/struts-bean.tld</taglib-uri>
    <taglib-location>/WEB-INF/struts-bean.tld</taglib-location>
    </taglib>
  
    <welcome-file-list>
        <welcome-file>index.jsp</welcome-file>
        </welcome-file-list>
    </web-app>


[b][color=#FF0000]STRUTS-CONFIG.XML[/color][/b]

<?xml version="1.0" encoding="UTF-8" ?>

<!DOCTYPE struts-config PUBLIC
          "-//Apache Software Foundation//DTD Struts Configuration 1.2//EN"
          "http://jakarta.apache.org/struts/dtds/struts-config_1_2.dtd">


<struts-config>
    <form-beans>
        <form-bean name="CustomerForm" type="CustomerForm"/>
    
    </form-beans>
    
    <global-exceptions>
    
    </global-exceptions>

    <global-forwards>
        <forward name="mainpage"  path="/index.jsp"/>
    </global-forwards>

    <action-mappings>
        <action path="/submitCustomerForm" type="CustomerAction" validate="true" input="CustomerDetails.jsp">
         <forward name="success" path="Success.jsp" />
         <forward name="failure" path="Failure.jsp" />
       <!--<action path="/Welcome" forward="/welcomeStruts.jsp"/>-->
       </action>
   </action-mappings>
    
    <controller processorClass="org.apache.struts.action.RequestProcessor"/>

    <message-resources parameter="App1Messages.properties.properties"/>    
    
     </struts-config>

[b]CUSTOMERDETAILS FORM BEAN[/b][color=#FF0000]


import javax.servlet.http.HttpServletRequest;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;

public class CustomerForm extends org.apache.struts.action.ActionForm {
    
   private String firstName;

   private String lastName;

      public CustomerForm() {
firstName = "";
lastName = "";
}
  
   public String getFirstName() {
       return firstName;
   }

      public void setFirstName(String s) {
       this.firstName = s;
   }

      public String getLastName() {
       return lastName;
   }

      public void setNumber(String t) {
       this.lastName = t;
   }

  
   public ActionErrors validate(ActionMapping mapping, HttpServletRequest request) {
       ActionErrors errors = new ActionErrors();
       if (firstName == null || firstName.trim().equals("")) {
           errors.add("firstName", new ActionMessage("error.name.required"));
           // TODO: add 'error.name.required' key to your resources
       }
       return errors;
   }
}


[b][color=#FF0000]ACTION CLASS [/color] [/b]




import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForward;

public class CustomerAction extends org.apache.struts.action.Action
{
    
         public ActionForward execute(ActionMapping mapping, ActionForm  form,
            HttpServletRequest request, HttpServletResponse response)
            throws Exception
    {
      if(isCancelled(request))
      {
          System.out.println("Cancel Operation Performed");
          return mapping.findForward("mainpage");
      }
      CustomerForm custForm=(CustomerForm) form;
      String firstName=custForm.getFirstName();
      String lastName=custForm.getLastName();
      System.out.println("Customer Firstname is" + firstName);
      System.out.println("Customer Lastname is" + lastName);  
      ActionForward forward=mapping.findForward("success");
      return forward;
    }
}


[b][color=#FF0000]INDEX.JSP[/color][/b]


<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html:html>
<head>

<body>
   <html:link page=”CustomerDetails.jsp”>Customer Form</html:link>
</body>
</html:html>

[b][color=#FF0000]CUSTOMERDETAILS.JSP[/color][/b]


<%--
    Document   : CustomerDetails
    Created on : Jun 24, 2008, 4:50:29 PM
    Author     : CKulkarn
--%>

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib uri="/WEB-INF/struts-html.tld" prefix="html" %>
<%@ taglib uri="/WEB-INF/struts-bean.tld" prefix="bean" %>
<html:html>
<head>
<html:base/>
</head>
<body>
<html:errors/>
<html:form action="/submitCustomerForm">
<bean:message key="prompt.customer.firstname"/>:
<html:text property="firstName" size="16" maxlength="16"/>
<BR>
<bean:message key="prompt.customer.lastname"/>:
<html:text property="lastName" size="16" maxlength="16"/>
<BR>
<html:submit>
<bean:message key="button.save"/>
</html:submit>
&nbsp;
<html:cancel>
<bean:message key="button.cancel"/>
</html:cancel>
</html:form>
</body>
</html:html>