What is default result type in struts2?

What is default result type in struts2?

dispatcher result type
The dispatcher result type is the default type, and is used if no other result type is specified. It’s used to forward to a servlet, JSP, HTML page, and so on, on the server.

What is type chain in struts2?

Request > Action 1 > Action 2 > Response In Struts 2, this can be achieved by Chain Result. The Chain Result is a result type that invokes an Action with its own Interceptor Stack and Result. This Interceptor allows an Action to forward requests to a target Action, while propagating the state of the source Action.

What is redirect result?

RedirectResult is an ActionResult that returns a Found (302), Moved Permanently (301), Temporary Redirect (307), or Permanent Redirect (308) response with a Location header to the supplied URL. It will redirect us to the provided URL, it doesn’t matter if the URL is relative or absolute.

What is return type of execute () method in Struts2?

Return types from execute() method in struts2 action One thing I just picked up is that there are 5 different return values from the action’s execute() method, that are pre-defined in the framework, namely SUCCESS, ERROR, INPUT, LOGIN, NONE.

What types of validators are available in XML based validation in Struts 2 *?

Struts2 XML based validation provides more options of validation like email validation, integer range validation, form validation field, expression validation, regex validation, required validation, requiredstring validation, stringlength validation and etc.

What is interceptors in Struts2?

Interceptor is an object that is invoked at the preprocessing and postprocessing of a request. In Struts 2, interceptor is used to perform operations such as validation, exception handling, internationalization, displaying intermediate result etc.

How do I redirect a page in struts?

The redirect result type calls the standard response. sendRedirect() method, causing the browser to create a new request to the given location.

What is JsonResult type in MVC?

What is JsonResult? JsonResult is one of the type of MVC action result type which returns the data back to the view or the browser in the form of JSON (JavaScript Object notation format).

CAN REST API return redirect?

In response to a REST API request, the Nest API server returns a redirect. The REST client detects the redirect and requests the page that the client was redirected to. Some HTTP implementations do not forward the Authorization header to the redirected URI, and this results in a 401 Unauthorized error.

Which of the following type of validators are supported by Struts2?

How do I redirect in Struts 2?

Struts 2 – Redirect Action. The redirect result type calls the standard response.sendRedirect() method, causing the browser to create a new request to the given location. We can provide the location either in the body of the element or as a element. Redirect also supports the parse parameter.

What is the result tag in Struts 2?

The structure of struts.xml for all the web application of struts 2 is:? As we can see above, the result tag is responsible for redirecting to the destination page which can be specified between the elements together with the name of result (that is, type of result).

What is a result type dispatcher in struts?

Struts comes with a number of predefined result types and whatever we’ve already seen that was the default result type dispatcher, which is used to dispatch to JSP pages. Struts allow you to use other markup languages for the view technology to present the results and popular choices include Velocity, Freemaker, XSLT and Tiles.

Does Struts2 tie up JSP with MVC?

But, Struts2 does not tie you up with using JSP as the view technology. Afterall the whole purpose of the MVC paradigm is to keep the layers separate and highly configurable.

  • August 9, 2022