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Example of struts2.2.1 client side validation.
Posted on: February 7, 2011 at 12:00 AM
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In this example, you will see how to implement client side validation.

Example of struts2.2.1 client side validation.

In this example, you will see how to implement client side validation in struts2 application. We 
can easily implement client side validation in struts2. If we adds validate="true" in struts2 form
tags, than it will works as client side validation in struts.

Note:- if you wants to see struts generated JavaScript then display view source of your page.

index.jsp

<%@ page language="java" contentType="text/html;
charset=ISO-8859-1"

pageEncoding="ISO-8859-1"%>

<%@taglib uri="/struts-tags" prefix="s" %>

<html>

<head><title>Index Page</title></head>

<body><h3>Struts2_Client_Side_Validation_Example</h3>

<s:a href="registrationForm.action">

<FONT color="green" >Go To Login Page..</FONT> </s:a>

</body>

</html>

RegistrationForm.jsp

<%@ page language="java" contentType="text/html;
charset=ISO-8859-1"

pageEncoding="ISO-8859-1"%>

<%@taglib uri="/struts-tags" prefix="s" %>

<html>

<head><title>Registration Form</title></head><s:head/>

<body><h3 >Struts2_Client_Side_Validation_Example</h3><hr>

<font style="color: green;"> Registration Form</font>

<s:form action="registrationProcess.action"

 name="registration" method="post">

<s:textfield key="firstname" />

<s:password key="password"/>

<s:submit value="Registration"/></s:form>

</body></html>

RegistrationAction.java (Action Class)

package roseindia.action;

import roseindia.Model.RegistrationModel;

import com.opensymphony.xwork2.ActionSupport;

import com.opensymphony.xwork2.ModelDriven;

public class RegistrationAction extends ActionSupport implements

ModelDriven<Object> {

RegistrationModel obRegModel;

public String execute() {

return SUCCESS; }

@Override

public Object getModel() {

obRegModel = new RegistrationModel();

return obRegModel; }

}

RegistrationAction-validation.xml 

<!DOCTYPE validators PUBLIC

"-//OpenSymphony Group//XWork Validator 1.0.2//EN"

"http://www.opensymphony.com/xwork/xwork-validator-1.0.2.dtd">

<validators>

<field name="firstname">

<field-validator type="requiredstring">

<message key="requiredstring"/>

</field-validator> </field>

<field name="password">

<field-validator type="requiredstring">

<message key="requiredstring"/>

</field-validator>

</field>

<field name="password">

<field-validator type="stringlength">

<param name="minLength">5</param>

<param name="maxLength">15</param>

<param name="trim">true</param>

<message >Please enter Min %{minLength} character or Max %{maxLength}
  Character
</message>

</field-validator>

</field>

</validators>

package.properties

requiredstring = ${getText(fieldName)} is required.

firstname = Student Name

password= Password

RegistrationModel.java (Model)

package roseindia.Model;

import java.io.Serializable;

public class RegistrationModel implements Serializable

{

private String firstname;

private String password;

public String getFirstname() {

return firstname; }

public void setFirstname(String firstname) {

this.firstname = firstname; }

public String getPassword() {

return password; }

public void setPassword(String password) {

this.password = password; }

}

struts.xml

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

<!DOCTYPE struts PUBLIC

"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"

"http://struts.apache.org/dtds/struts-2.0.dtd">

<struts>

<constant name="struts.enable.DynamicMethodInvocation" value="false" />

<constant name="struts.devMode" value="false" />

<package name="roseindia" namespace="/" extends="struts-default">

<action name="registrationForm">

<result>Registration/RegistrationForm.jsp</result>

</action>

<action name="registrationProcess" class="roseindia.action.RegistrationAction">

<result name="input">Registration/RegistrationForm.jsp</result>

<result name="error">Registration/RegistrationForm.jsp</result>

<result>Registration/RegistrationSuccess.jsp</result>

</action></package>

</struts>

RegistrationSuccess.jsp

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"

pageEncoding="ISO-8859-1"%>

<%@taglib uri="/struts-tags" prefix="s" %>

<!DOCTYPE html PUBLIC 

"-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head><title>Insert title here</title></head>

<body><h2 style="color: green">Hi,

<s:property value="firstname"/>

your welcome.</h2>

<h3 style="color: gray;">Login success.</h3></body>

</html>

Struts generated JavaScript code. (Registrartion.jsp)

<html>
<head>
<title>Registration Form</title></head>
<link rel="stylesheet" href="/Struts2_Client_Side_Validation_Example/struts
/xhtml/styles.css" type="text/css"/>
<script src="/Struts2_Client_Side_Validation_Example/struts/utils.js"
type="text/javascript"></script>
<body>
<h3 >Struts2_Client_Side_Validation_Example</h3> 
<hr>
<font style="color: green;"> Registration Form</font>
<form id="registrationProcess" name="registration" action=
"registrationProcess.action" method="post">
<table class="wwFormTable">
<tr errorFor="registrationProcess_firstname">
<td align="center" valign="top" colspan="2"><span class="errorMessage">
Student Name is required.</span></td></tr>
<tr>
<td class="tdLabel"><label for="registrationProcess_firstname" class=
"errorLabel">Student Name:</label></td>
<td><input type="text" name="firstname" value="" id=
"registrationProcess_firstname"/></td></tr>

<tr errorFor="registrationProcess_password">
<td align="center" valign="top" colspan="2"><span class=
"errorMessage">Password is required.</span></td></tr>
<tr>
<td class="tdLabel"><label for="registrationProcess_password"
 class="errorLabel">Password:</label></td>
<td><input type="password" name="password"
id="registrationProcess_password"/></td></tr>
<tr><td colspan="2"><div align="right"><input type=
"submit" id="registrationProcess_0" value="Registration"/>
</div></td></tr></table></form></body></html>

Output

Download Source Code


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