Struts 2 <s:password> password example

Download It – Struts2-Password-Example.zip

In Struts 2 , you can use the <s:password> to create a HTML password field. For example, you can declared the “s:password” with a key attribute or label and name attribute.

<s:password key="password" />
//or
<s:textfield label="Password" name="password" />

Both are generate the same HTML output (in default xhtml theme).

<td class="tdLabel">
  <label for="registerUser_password" class="label">Password:</label>
</td> 
<td>
  <input type="password" name="password" id="registerUser_password"/>
</td>

Struts 2 <s:password> example

A page with ‘password’ and ‘confirm password’ fields, and do the validation to make sure the ‘confirm password’ is match with the ‘password’.

1. Properties file

global.properties

#Global messages
username = Username
password = Password
confirmPassword = Confirm Password
submit = Submit

RegisterAction.properties

#error message
username.required = Username is required
password.required = Password is required
cpassword.required = Confirm password is required
cpassword.notmatch = Confirm password is not match

2. Action

RegisterAction.java

package com.mkyong.user.action;
 
import com.opensymphony.xwork2.ActionSupport;
 
public class RegisterAction extends ActionSupport{
 
	private String username;
	private String password;
	private String confirmPassword;
 
	public String getPassword() {
		return password;
	}
 
	public void setPassword(String password) {
		this.password = password;
	}
 
	public String getConfirmPassword() {
		return confirmPassword;
	}
 
	public void setConfirmPassword(String confirmPassword) {
		this.confirmPassword = confirmPassword;
	}
 
	public String getUsername() {
		return username;
	}
 
	public void setUsername(String username) {
		this.username = username;
	}
 
	//business logic
	public String execute() {
 
		return "SUCCESS";
 
	}
 
	//simple validation
	public void validate(){
		if("".equals(getUsername())){
			addFieldError("username", getText("username.required"));
		}
		if("".equals(getPassword())){
			addFieldError("password", getText("password.required"));
		}
		if("".equals(getConfirmPassword())){
			addFieldError("confirmPassword", getText("cpassword.required"));
		}
 
		if(!(getPassword().equals(getConfirmPassword()))){
			addFieldError("confirmPassword", getText("cpassword.notmatch"));
		}
	}
 
}

3. View page

Result page with Struts 2 “s:password” tag to create a HTML password field.

register.jsp

<%@ taglib prefix="s" uri="/struts-tags" %>
<html>
<head>
</head>
 
<body>
<h1>Struts 2 - password example</h1>
 
<s:form action="registerUser" namespace="/user">
 
	<s:textfield key="username" />
	<s:password key="password" />
	<s:password key="confirmPassword" />
 
	<s:submit key="submit" name="submit" />
 
</s:form>
 
</body>
</html>

welcome.jsp

<%@ page contentType="text/html;charset=UTF-8" %>
<%@ taglib prefix="s" uri="/struts-tags" %>
<html>
 
<body>
<h1>Struts 2 - password example</h1>
 
<h4>Password : <s:property value="password"/></h4>
<h4>Confirm Password : <s:property value="%{confirmPassword}"/></h4> 
 
</body>
</html>

4. struts.xml

Link all together ~

<?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.custom.i18n.resources" value="global" />
   <constant name="struts.devMode" value="true" />
 
   <package name="user" namespace="/user" extends="struts-default">
	<action name="register">
		<result>pages/register.jsp</result>
	</action>
	<action name="registerUser" 
                class="com.mkyong.user.action.RegisterAction">
		<result name="SUCCESS">pages/welcome.jsp</result>
		<result name="input">pages/register.jsp</result>
	</action>
   </package>
 
</struts>