How to redirect in Struts2?
The redirect result type calls the standard response. sendRedirect() method, causing the browser to create a new request to the given location.
How do you call another action in struts2?
This is called Action chaining in Struts 2. One action leads to another one and so on. Request > Action 1 > Action 2 > Response In Struts 2, this can be achieved by Chain Result.
What is action forward in struts?
An ActionForward represents a destination to which the controller, RequestProcessor, might be directed to perform a RequestDispatcher. forward or HttpServletResponse. sendRedirect to, as a result of processing activities of an Action class.
Which of the following is correct about redirect result type?
Q 22 – Which of the following is correct about redirect result type? A – It is used to forward to a servlet, JSP, HTML page, and so on, on the server. It uses the RequestDispatcher.
What is RedirectToAction MVC?
RedirectToAction(String, String, Object) Redirects to the specified action using the action name, controller name, and route dictionary. RedirectToAction(String, String, RouteValueDictionary) Redirects to the specified action using the action name, controller name, and route values.
How does Struts2 validation work?
Struts Action 2 relies on a validation framework provided by XWork to enable the application of input validation rules to your Actions before they are executed. Struts2 Validation Framework allows us to separate the validation logic from actual Java/JSP code, where it can be reviewed and easily modified later.
What is OGNL in Struts2?
The Object-Graph Navigation Language (OGNL) is a powerful expression language that is used to reference and manipulate data on the ValueStack. The OGNL is very similar to the JSP Expression Language. OGNL is based on the idea of having a root or default object within the context.
What is interceptors in Struts 2?
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.
What are the aware interfaces in Struts 2?
Struts 2 Aware interfaces are used to put information into the request, response, context or session object….The four aware interfaces are:
- apache. struts2. interceptor. SessionAware.
- apache. struts2. util. ServletContextAware.
- apache. struts2. interceptor.
- apache. struts2. interceptor.