java code for JSP email valid check

//validCheck.jsp
/*
<%@page contentType="text/html"%>
<%@ taglib uri="http://java.sun.com/jstl/core" prefix="c" %>



<%-- get valid property from ClientValidator bean --%>

Welcome

Email:



Password:




*/
package com.java2s;

public class ClientValidator implements java.io.Serializable{

String email;
String password;
boolean valid;

public ClientValidator(){

this.valid=false;}

public boolean isValid(){

/* Use a Data Access Object to validate the email and password.
If the validation does not fail then set this.valid to true*/
this.valid=true;
return valid;

}

public void setEmail(String _email){

if(_email != null && _email.length() > 0)
email = _email;
else
email = "Unknown";
}

public String getEmail(){

return email; }

public void setPassword(String _password){

if(_password != null && _password.length() > 0)
password = _password;
else
password = "Unknown";
}

public String getPassword(){

return password; }

}