How to write action class in struts 2 tutorial

We will follow the second way to configure through annotation. Struts DispatchAction can group similar action classes into a single action class having different methods.

Firstly, the action plays an important role in the transfer of data from the request through to the view, whether its a JSP or other type of result. Create a View We need a JSP to present the final message, this page will be called by Struts 2 framework when a predefined action will happen and this mapping will be defined in struts.

User input validations are an integral part of any web application. DownloadAction will be used to download the file from the server.

Since Struts 2 requires struts.

Struts 2 - Hello World Example

Creating a package is useful when you want to group your actions together. We end the class name with Action to inform struts that this Java file should be considered as a Struts 2 Action. The project structure is as shown in the below screenshot. Eclipse does not create the "classes" folder by default, so you need to do this yourself.

Struts 2 Tutorial

Finally, start Tomcat server and try to access URL http: Then, we define a package called helloworld. The execute method of HelloWorldAction. Then we have configured the Struts2 filter to run on all urls i. Secondly, the action must assist the framework in determining which result should render the view that will be returned in the response to the request.

SwitchAction will be used to switch the control from one struts module to another struts module.

Struts 2 - Actions

Whenever you run, it takes a user id and a password Both the user id and password is "admin" it displays the welcome page, when both fields are correctly filled.

Now, we are ready to run our Hello World application using Struts 2 framework. We have standard getters and setter methods for the "name" property and an execute method that returns the string "success". In this section we are going to validate our login application using Annotations in Action class.

When a user clicks on the Submit button it will cause the Struts 2 framework to run the execute method defined in the HelloWorldAction class and based on the returned value of the method, an appropriate view will be selected and rendered as a response.

The action class name is considered excluding the Action [in the end] and the first letter is converted into a lower case. It is available in org.Struts 2 Action classes makes our life easier with handling the data mapping to action class bean properties or to another java bean internally.

Write A Struts 2 Action Class In 5 Minutes Using Annotations

It saves a lot of code that we used to write with Servlets. This file will serve as the initial action URL where the user can click to tell the Struts 2 framework to call the executemethod of the HelloWorldAction class and render the killarney10mile.com view.

Struts 2 Tutorial The struts 2 framework is used to develop MVC-based web application. The struts framework was initially created by Craig McClanahan and donated to Apache Foundation in May, and Struts was released in June Write A Struts 2 Action Class In 5 Minutes Using Annotations This tutorial is a continuation of Setup web application There are two ways to create a Struts 2 Action class.

The first is to. I want to write the junit test for struts 2 action class killarney10mile.com to write test case for addUser function? My action class look like this puble class UserAction{ public String addUser(){ User.

DispatchAction: Struts DispatchAction can group similar action classes into a single action class having different methods. In this action excluding the execute method we can write our own user defined killarney10mile.com parameters are same given by struts framework (mapping,form,request,response).

Action Class in Struts Framework Download
How to write action class in struts 2 tutorial
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