Thursday 9 February 2012

Struts2 programatic validation




Web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
       xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
       id="WebApp_ID" version="2.5">
       <display-name>Struts2.3_ProgramaticValidations</display-name>
       <welcome-file-list>
              <welcome-file>index.jsp</welcome-file>
       </welcome-file-list>
       <filter>
              <filter-name>struts2</filter-name>
              <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
       </filter>
       <filter-mapping>
              <filter-name>struts2</filter-name>
              <url-pattern>/*</url-pattern>
       </filter-mapping>
</web-app>
 
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>
       <include file="struts-default"></include>
       <package name="default" extends="struts-default">
              <action name="customer" class="com.usr.customer.action.Customer"
                     method="addCustomer">
                     <interceptor-ref name="basicStack"></interceptor-ref>
                     <interceptor-ref name="validation"></interceptor-ref>
                     <interceptor-ref name="workflow"></interceptor-ref>
                     <result name="success">/CustomerSuccess.jsp</result>
                     <result name="input">/customer.jsp</result>
              </action>
       </package>

</struts>   
   
struts.properties
struts.custom.i18n.resources=messages

messages.properties
title=Struts2 Programatic  validations
name=Name
age=Age
email=Email
telephone=Telephone
label.add.customer=Add Customer

errors.required=Name is required
Index.jsp
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>
    <%@ taglib prefix="s" uri="/struts-tags" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<s:a href="customer.jsp">Add Customer</s:a>

</body>
</html>

Customer.jsp
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>
    <%@ taglib prefix="s" uri="/struts-tags" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
<s:head/>
</head>
<body>
<h2><s:text name="title"></s:text></h2>
<s:form action="customer" method="post">
<s:textfield name="name" key="name"></s:textfield>
<s:textfield name="age" key="age"></s:textfield>
<s:textfield name="email" key="email"></s:textfield>
<s:textfield name="telephone" key="telephone"></s:textfield>
<s:submit key="label.add.customer"></s:submit>
</s:form>
</body>
</html>


CustomerSuccess.jsp 
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
       pageEncoding="ISO-8859-1"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
       Customer Added Successfully.............
       <hr>
       <hr>
       Name:
       <s:property value="name" />
       Age:
       <s:property value="age" />
       Email:
       <s:property value="email" />
       Telephone:
       <s:property value="telephone" />
</body>
</html>
Customer.java
package com.usr.customer.action;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

import com.opensymphony.xwork2.ActionSupport;

public class Customer extends ActionSupport{

private static final long serialVersionUID = 1L;
private String name;
private Integer age;
private String email;
private String telephone;
public String getName() {
     return name;
}
public void setName(String name) {
     this.name = name;
}
public Integer getAge() {
     return age;
}
public void setAge(Integer age) {
     this.age = age;
}
public String getEmail() {
     return email;
}
public void setEmail(String email) {
     this.email = email;
}
public String getTelephone() {
     return telephone;
}
public void setTelephone(String telephone) {
     this.telephone = telephone;
}
public String addCustomer(){
    
     return "success";
}
Pattern pattern;
Matcher matcher;

public void validate() {
     if(name==null||name.trim().equals("")){
           this.addFieldError("name",getText("errors.required"));
     }
     if(age<1 || age>99){
           addFieldError("age", "Please enter age in the range of 1 and 99");
     }
     if(telephone==null||telephone.trim().equals("")){
           addFieldError("telephone", "Please Enter Telephone No");
     }
    
     String email_pattern= "^[_A-Za-z0-9-]+(\\.[_A-Za-z0-9-]+)*@[A-Za-z0-9]+(\\.[A-Za-z0-9]+)*(\\.[A-Za-z]{2,})$";
     pattern=Pattern.compile(email_pattern);
     if(!email.matches(email_pattern)){
           addFieldError("email", "Invalid Email Id");
     }
          
}


}
 
 
 
 
 

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