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Struts 2 Tutorials - Struts version 2.3.15.1

Struts 2 Tutorials covered in this section is developed using the latest version of Struts 2 framework. Latest version of Struts 2 at the time of writing this tutorial is Struts 2.3.15.1. Here we have discussed the improvements and bug fixes in the Struts 2 framework.

The latest version of Struts 2 is version 2.3.15.1, which released in June 2013. There are bug fixes and improvements in this version of Struts 2 release. It is at present the most stable version of Struts 2.3 series. Many security issues and bugs that were present in the earlier version of Struts have been resolved.

Apache Struts is open-source framework that is used to build, deploy and maintain web applications both for web and intranet. Struts use a Model-View-Controller (MVC) architecture where Model represents database code, View represents design code and Controller represents navigational code. MVC design pattern of the Struts 2 framework gives great advantage and enables the developers to quickly build applications.

Tutorials of Struts 2 version 2.3.15.1

Basics of Struts 2

Learn the basics of Struts 2 framework and familiarize yourself with features and capabilities of latest Struts framework. Struts 2 is based on MVC (Model-View-Controller) Framework. This latest version has made the web development easier for the developers.

• Features and enhancements in Struts 2.3.15.1
• Lifecycle/Architecture of Struts 2 framework
• How Struts 2 framework works
• Downloading and installing Struts 2 2.3.15.1
• Maven dependency of Struts 2.3.15.1
• Creating Hello World application in Struts 2 version 2.3.15.1
• Running Hello World application on Tomcat 7 server using Eclipse IDE
• Hello World application annotation version
• Struts 2 in Agile Development Environment

Core components of Struts 2 version 2.3.15

Learn about the core components of Struts 2 version 2.3.15.1.

Controller is implemented with a Dispatch Filter and Interceptors. Model is implemented with Actions. View is implemented with a combination of result types and results.

Value Stack and OGNL provide linking between the other components.

The Model-View-Controller framework in Struts 2 has five core components:

• Interceptors in Struts 2
• Actions
• Value Stack / OGNL
• Results
• View

Struts 2 Configurations

Learn about the different configuration options of the Struts 2 based project.

• Multiple Struts configuration files - Learn how to include multiple Struts Configuration files in a project.
• Namespace configuration - Learn what is Namespace in Struts 2 with example code
• Struts 2 Development mode - Learn about the development mode available in Struts 2 framework. How it is important for making developer work easy.
• Removing default Struts 2 action suffix - How to remove the default action suffix (.action)? Learn the advantages of custom suffix in your application.

Creating Form based application in Struts 2

• Understanding the Struts 2 action
• Creating simple user login form
• Validating user login form with the help of Struts 2 ActionError & ActionMessage
• Understanding about ModelDriven interface
• Creating login form with the help of ModelDriven interface

Struts 2 Interceptors:

Interceptors can be configured according to every action. They can execute a code before and after an Action is called. Interceptors help in implementing double-submit guards, type conversion, object population, validation, file upload, page preparation, etc. Interceptors are defined in a stack, which in turn decide the execution order of the Interceptor.

• What is Interceptors and how does it works?
• Simple Interceptor example
• List of Interceptors
• Creating own interceptor

Struts 2 Tags

Struts 2 Tags are of two types:

• Generic Tags
• UI tags