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struts2.2.1 Login validation example.
Posted on: February 10, 2011 at 12:00 AM

In this example, We will discuss about the Login validation using struts2.2.1.

struts2.2.1 Login validation example.

In this example, We will discuss about the Login validation using struts2.2.1.

Directory structure of example.

1-Login.jsp

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

pageEncoding="UTF-8"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"

"http://www.w3.org/TR/html4/loose.dtd">

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

<html>

<head>

<title>Login Validation Example</title>

<s:head />

</head>

<s:actionerror />

<s:form action="Login">

<s:textfield name="userName" label="User Name" /><br>

<s:password name="password" label="Password" />

<s:submit />

</s:form>

</body>

</html>

2-LoginAction.java

package roseindia;

import com.opensymphony.xwork2.ActionSupport;

public class LoginAction extends ActionSupport {

private static final long serialVersionUID = 525429611271529243L;

private String userName;

private String password;

public String getUserName() {

return userName;

}

public void setUserName(String userName) {

this.userName = userName;

}

public String getPassword() {

return password;

}

public void setPassword(String password) {

this.password = password;

}

public String execute() throws Exception {

return SUCCESS;

}

public void validate() {

if (getUserName().length() == 0) {

addFieldError("userName", getText("username.required"));

} else if (!getUserName().equals("Rose")) {

addFieldError("userName", getText("username.wrong"));

}

if (getPassword().length() == 0) {

addFieldError("password", getText("password.required"));

}

3-success.jsp

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

pageEncoding="UTF-8"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"

"http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<title>Login Successful</title>

</head>

<h1>Login Successful</h1>

</body>

</html>

4 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">

<result name="input">/Login.jsp</result>

<result name="success">/success.jsp</result>

</action>

</package>

</struts>

5 LoginAction.properties

username.required = UserName is required.

username.wrong = UserName is wrong.

password.required = Password is required.

Login.jsp

required.gif

wrong.gif

incomplete.gif

success.gif

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