How to write action class in struts 2

This package will contain the action file. We just have to specify name of resource bundle file without extension ApplicationResources without. Please try again when user authentication is failed.

Next is the ModelDriven interface. We use Struts UI tags to create the login page. When debugging an issue, if there seems to be something out of place or not working the way that is expected, there is a good chance that it is interceptor related.

If any validation errors occur the user will be forwarded to the login. Thus we will extend the LoginAction class with ActionSupport class and add the logic for error reporting into it. Copy following content into it. But there is one problem.

Struts 2 - The Action Tag

Also we need to add logic in LoginAction to add error message if user is not authenticated. The view method is implemented using the execute method, that is inherited from the ActionSupport class.

Copy following content into struts. Finally, start Tomcat server and try to access URL http: The workflow interceptor controls the flow of cotrol. So you can do some pre-processing and some postprocessing based on your requirement.

It is good to extend ActionSupport class as it provides default implementation for most common tasks. From the UML diagram above, we see that on the BlogAction we have a method for save, update and remove. After this press Finish. The struts bean tag instantiates the bean and puts it in the value stack.

Post-Processing Stacking Multiple Interceptors As you can imagine, having to configure multiple interceptor for each action would quickly become extremely unmanageable. The properties files should have the same name as the Action class.

The Action Class We will need an Action class that will authenticate our user and holds the value for username and password. Getting Started Let us start with our first Struts2 based application.

Create this folder if it does not exists. If execute method returns success, user will be redirected to Welcome. We have standard getters and setter methods for the "name" property and an execute method that returns the string "success". The final code in LoginAction must look like:Struts 2 Architecture.

Struts2 Action.

Struts Login Application Using Action Form Tutorial

Struts2 Configuration. Struts2 Email Validation Example. email validator; Parameters of email validator; 2) Create the action class.

Action classes in struts

This action class inherits the ActionSupport class and overrides the execute method. Struts 2 Redirect Action - Learn Struts 2 in simple and easy steps starting from basic to advanced concepts with examples including Basic MVC Architecture, Overview.

In this example we will see how we can validate a login page using Struts 2. Let's first create the login page. of the property in the action class. In the first part of this series, we explained (for Struts developers) the high level architecture, basic request workflow, configuration semantics and differences in the action framework in the new Struts 2 (formerly WebWork) and Struts 1.

Armed with this knowledge, migrating an application of any size from Struts to Struts 2 should be. Struts Blank Application action killarney10mile.comServlet config /WEB-INF/ 2 action *.do Writing action classes in struts Writing action classes Action Classes It action class for admission process.

In struts 2, action class is POJO (Plain Old Java Object). POJO means you are not forced to implement any interface or extend any class. Generally, execute method should be specified that represents the business logic.

How to write action class in struts 2
Rated 5/5 based on 5 review