What is action name in Struts?
The action tag allows the programmers to execute an action from the view page. They can achieve this by specifying the action name. They can set the “executeResult” parameter to “true” to render the result directly in the view.
What is struts2 convention plugin?
The Convention Plugin is bundled with Struts since 2.1 and replaces the Codebehind Plugin and Zero Config plugins. It provides the following features: Action location by package naming conventions. Result (JSP, FreeMarker, etc) location by naming conventions. Class name to URL naming convention.
Which tag is used to call a method from action class?
Struts 2 “action” tag is used to call action class directly from a JSP page.
Which of the following is true about action tag in struts XML?
Q 13 – Which of the following is true about action tag in struts. xml? A – We define action tags corresponds to every URL we want to access. B – we define a class with execute() method which will be accessed whenever we will access corresponding URL.
What is strut action mapping?
An ActionMapping represents the information that the controller, RequestProcessor , knows about the mapping of a particular request to an instance of a particular Action class.
What is Struts XML?
The struts. xml file contains the configuration information that you will be modifying as actions are developed. This file can be used to override default settings for an application, for example struts. devMode = false and other settings which are defined in property file.
What are features of Struts?
The important features of struts 2 framework are as follows:
- Configurable MVC components.
- POJO based actions.
- AJAX support.
- Integration support.
- Various Result Types.
- Various Tag support.
- Theme and Template support.
Which of the following feature is present in Struts?
The Struts 2 provides supports to POJO based actions, Validation Support, AJAX Support, Integration support to various frameworks such as Hibernate, Spring, Tiles, etc., support to different result types such as Freemarker, Velocity, JSP, etc.
How to use action class as super class in struts?
When you use Action class as super class we need to write multiple java class for multiple requirements. In struts 1.0 Action class has perform () method instead of execute () method ,with the following signature : Public ActionForward perform( AM, AF, H.S.R, H.S.R)throws ServletException, IOException {
How do I use ActionServlet in struts?
Struts Action Class. The ActionServlet (commad) passes the parameterized class to Action Form using the execute () method. The return type of the execute method is ActionForward which is used by the Struts Framework to forward the request to the file as per the value of the returned ActionForward object.
What is the use of perform () method in struts?
perform () method was deprecated in struts 1.1 because Perform () method is throwing ServletException, IOException , when you are overriding that in sub class you can throw only ServletException and IOException and its sub classes.
How to group similar action classes into a single action class?
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 methods.The parameters are same given by struts framework (mapping,form,request,response).