Subframework Validation Example using Struts 2.0 the following tool are required for run this example
JDK 1.5
MyEclipse IDE
Server Tomcat 6.0
Struts 2.0 jar file
Directory Structure of Subframework Validation Example in Struts 2.0 Using MyEclipse IDE

 
index.jsp

<%@ taglib uri="/struts-tags" prefix="s"%>
<s:form action="register">
<s:textfield name="name" label="Name"/>
<s:password name="password" label="Password"/>
<s:textfield name="age" label="Age"/>
<s:textfield name="mailId" label="MailId"/>
<s:submit value="Register"/>
</s:form>

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">
  
  <filter>
  <filter-name>f1</filter-name>
  <filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
  </filter>
  <filter-mapping>
  <filter-name>f1</filter-name>
  <url-pattern>/*</url-pattern>
  </filter-mapping>
</web-app>

struts.xml

<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<package name="demo" extends="struts-default">
<action name="register" class="mypack.MyAction">
<result name="success">/hello.jsp</result>
<result name="input">/index.jsp</result>
</action>
</package>
</struts>

MyAction.java

package mypack;
import com.opensymphony.xwork2.ActionSupport;
public class MyAction extends ActionSupport{
	private String name,password,mailId;
	private int age;
	@Override
	public void validate() {
		System.out.println("Validate method is invoked");
		super.validate();
	}
	public String execute(){
		System.out.println("Validate method is not invoked");
		return "success";
		}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public String getPassword() {
		return password;
	}
	public void setPassword(String password) {
		this.password = password;
	}
	public String getMailId() {
		return mailId;
	}
	public void setMailId(String mailId) {
		this.mailId = mailId;
	}
	public int getAge() {
		return age;
	}
	public void setAge(int age) {
		this.age = age;
	}
}

MyAction-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="name" >
<field-validator type="requiredstring">
<message>Name must be required.</message>
</field-validator>
<field-validator type="regex">
<param name="expression">[A-Z,a-z, ]*</param>
<message>Name must in alphabet. and space.</message>
</field-validator>
</field>
<field name="password">
<field-validator type="requiredstring">
<message>Password must be required.</message>
</field-validator>
<field-validator type="stringlength">
<param name="minLength">5</param>
<param name="maxLength">10</param>
<message>Password must be b/w 5 and 10.</message>
</field-validator>
</field>
<field name="age">
<field-validator type="int">
<param name="min">18</param>
<param name="max">45</param>
<message>Age must be in 18 to 45.</message>
</field-validator>
</field>
<field name="mailId">
<field-validator type="requiredstring">
<message>MailId must be required.</message>
</field-validator>
<field-validator type="email">
<message>MailId isn't in proper format.</message>
</field-validator>
</field>
</validators> 

hello.jsp

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

<b>Welcome,<s:property value="name"/>

Output




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