What is the role of action class in Struts?

What is the role of action class in Struts?

Action classes act as the controller in the MVC pattern. Action classes respond to a user action, execute business logic (or call upon other classes to do that), and then return a result that tells Struts what view to render.

How do you create an action class in Struts?

What is Action Class in Struts?

1. First extend the org. apache. struts. action. Action class.
2. Override the following method. public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request,
3. Then we configure this action to struts config file of our application inside action mapping :

How do Struts work in Eclipse?

We need to follow these steps to create struts 2 application in eclipse ide.

1. Create a dynamic web project.
2. Add struts 2 capabilities.
3. Create input page (index.jsp)
4. Create the action class (Product.java)
5. Map the request with the action in (struts.xml) file and define the view components.
6. Create view components (welcome.jsp)

What is dispatch action in Struts?

DispatchAction is one of the Struts built-in action that provides a mechanism that facilitates having a set of related functionality in a single action instead of creating separate independent actions for each function.

How does Struts action forward work?

An ActionForward represents a destination to which the controller servlet, ActionServlet , might be directed to perform a RequestDispatcher. forward() or HttpServletResponse. sendRedirect() to, as a result of processing activities of an Action class.

What is POJO based actions?

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.

What is dispatch action in struts?

Where is struts XML in Eclipse?

You can either just put the struts. xml at the root of your source directory or set up an additional resources source directory and put it there. Eclipse quite happily copies it to WEB-INF/classes for you when it does a compilation.

How do I open struts project in Eclipse?

Open Eclipse and goto File -> New -> Project and select Dynamic Web Project in the New Project wizard screen. After selecting Dynamic Web Project, press Next Then Eclipse will ask you for name of the project. Enter the name of the project as StrutsExample1 and click on Finish.

What is action configuration?

The action mappings are the basic “unit-of-work” in the framework. Essentially, the action maps an identifier to a handler class. When a request matches the action’s name, the framework uses the mapping to determine how to process the request.

What is mapping findForward in struts?

The findForward method looks for a named forward that you defined with the action mapping. Example:? In the above example, returning findForward(“success”) would cause /jsp/myPage.

How to create Struts 2 application in Eclipse?

Example to create struts 2 application in Eclipse 1) Create a dynamic web project 2) Load struts 2 jar files 3) Create input page (index.jsp) 4) Create the action class (Product.java) 5) Map the request in (struts.xml) file and define the view components 6) Create view components (welcome.jsp) 7) start server and deploy the project

What is the method of execute () in Struts2 action class?

Also note that unlike Action class in Struts1, Struts2 action class is a simple POJO class with required attributes and method. The execute () method returns a String value which will determine the result page. Also, in Struts2 the name of the method is not fixed. In this example we have define method execute ().

How to add Spring Framework in struts project?

You can download latest JAR file from Spring frameworks download page. Copy spring.jar file in WEB-INF/lib folder of our struts project. Now open your struts-config.xml from WEB-INF folder and add following entry for plugin in it. This will add Spring support to your struts project.

What is struts in Java?

Struts is a web framework for building Java web applications based on Model-View-Controller (MVC) architecture. It is open-sourced and actively developed and maintained by Apache Software Foundation.