The document provides an overview of Struts 2, an open-source MVC framework for developing Java web applications. It discusses how Struts 2 uses plain POJO action classes and annotation-based configuration for simplifying code structure. The document also includes examples of Struts 2 validation and interceptors to reduce coupling. Finally, it lists the company's social media accounts for further contact.

1. Introduction to Struts
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Bengaluru INDIA
Presentation By
Ramananda M.S Rao

2. Content
Content
Overview
Get Started
STR UTS 1.X
STR UTS 2
Struts2 Configuration
Interceptors
Struts 2 & Ajax Validation
Struts2 with I18N
About Us
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3. Overview
 Struts2 is popular and mature web application framework based
on the MVC design pattern. Struts2 is not just the next version of
Struts 1, but it is a complete rewrite of the Struts architecture.
 Struts2 supports annotation based configurations which are easy
to create and more intuitive. Action class in Struts 2 act as the
model in the web application. Unlike Struts 1.X, Struts 2 Action
class are plain POJO objects, thus simplifying the testing of the
code.
 Struts2 also comes with power APIs to configure Interceptors that
reduce greatly the coupling in application. The view part of Struts 2
is highly configurable and it supports different result-types such as
Velocity, FreeMarker, JSP, etc.
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4. Struts 2 - Validation
Register.java
package collaba.validation;
import com.opensymphony.xwork2.ActionSupport;
public class Register extends ActionSupport{
private String name,password,email;
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getName() {
return name;
}
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5. Struts 2 - Validation
public void setName(String name) {
this.name = name;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String execute(){
return "success";
}
}
Register-validation.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE validators PUBLIC "-//OpenSymphony Group//XWork Validator 1.0.2//EN"
"http://www.opensymphony.com/xwork/xwork-validator-1.0.2.dtd">
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6. Struts 2 - Validation
<validators>
<field name="name">
<field-validator type="requiredstring">
<message>Name can't be blank</message>
</field-validator>
</field>
<field name="email">
<field-validator type="requiredstring">
<message>Email ID can't be blank</message>
</field-validator>
<field-validator type="email">
<message>Please enter a valid email ID</message>
</field-validator>
</field>
<field name="password">
<field-validator type="requiredstring">
<message>Password can't be blank</message>
</field-validator>
<field-validator type="stringlength">
<param name="minLength">5</param>
<param name="maxLength">10</param>
<message>Password can't be less than 5 or greater than 10</message>
</field-validator>
</field>
</validators>
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7. Struts 2 - Validation
struts.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN"
"http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
<package name="a" extends="struts-default">
<action name="register" class="collaba.validation.Register">
<interceptor-ref name="jsonValidationWorkflowStack"></interceptor-ref>
<result name="success">/welcome.jsp</result>
<result name="input">/index.jsp</result>
</action>
</package>
</struts>
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8. Struts 2 - Validation
WEB-INF
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">
<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>
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9. Struts 2 - Validation
index.jsp
<%@ taglib uri="/struts-tags" prefix="s"%>
<%@ taglib uri="/struts-dojo-tags" prefix="d"%>
<html>
<head>
<d:head/>
</head>
<body><marquee>Registration Page.............</marquee>
<s:form action="register">
<s:textfield name="name" label="Username"></s:textfield>
<s:textfield name="email" label="Email ID"></s:textfield>
<s:password name="password" label="Password"></s:password>
<d:submit validate="true" type="image" src="reg.jpg"></d:submit>
</s:form>
</body>
</html>
welcome.jsp
<%@ taglib uri="/struts-tags" prefix="s" %>
Welcome, <s:property value="name"/>
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10. Follow us on Social
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THANK YOU

11. About Us