Which of the following FacesContext methods skips the Render Response phase in JSF?
If any updateModels methods or any listeners have called the renderResponse method on the current FacesContext instance, the JavaServer Faces implementation skips to the Render Response phase.
What is FacesContext renderResponse?
Use FacesContext#renderResponse() if you want to move forward to the render response phase right now. You see this often in combination with value change listener hacks which run in validations phase and should skip the update model values and invoke action phases.
What is JSF ExternalContext?
Class ExternalContext. This class allows the Faces API to be unaware of the nature of its containing application environment. In particular, this class allows JavaServer Faces based appications to run in either a Servlet or a Portlet environment.
What does FacesContext getCurrentInstance () do?
getCurrentInstance. Return the FacesContext instance for the request that is being processed by the current thread.
What is difference between JSP and JSF?
jsf is a web application that is used to simplify development integration of web based user interfaces. jsp is a java based technology used specifically in order to help software developers create dynamic web pages. jsp must be compiled in java bytecode in order to function properly. jsf is a framework.
What is a FacesContext?
FacesContext contains all of the per-request state information related to the processing of a single JavaServer Faces request, and the rendering of the corresponding response. It is passed to, and potentially modified by, each phase of the request processing lifecycle.
Is JSF front end?
JSF is a component-based web framework that is part of Java EE. It was the only frontend framework under Java EE until Java EE 8 added its new MVC framework.
Which is best JSP or JSF?
Being component-based, JSF always has a good security advantage over JSP. Despite all of its benefits, JSF is complex and has a steep learning curve. In light of the MVC design pattern, the servlet acts as a controller and JSP as a view, whereas JSF is a complete MVC.
Is JSP still used?
Only JSP was designed to simplify the Servlet output HTML code. Our Java code is still written on Servlet, not JSP. Therefore, our general pattern is: the data processed in Servlet is forwarded to JSP, JSP only deals with a small part of the data and the pages written by JSP itself.
What is FacesServlet?
FacesServlet is a servlet that manages the request processing lifecycle for web applications that are utilizing JavaServer Faces to construct the user interface.
When is a facescontext instance associated with a request?
A FacesContext instance is associated with a particular request at the beginning of request processing, by a call to the getFacesContext () method of the FacesContextFactory instance associated with the current web application.
How to return the result of facescontext?
Return the ResponseWriter to which components should direct their character-based output. Return the root component that is associated with the this request. This utility method simply returns the result of ResponseStateManager.isPostback (FacesContext).
How are facescontext instances passed to each phase of the lifecycle?
It is passed to, and potentially modified by, each phase of the request processing lifecycle. A FacesContext instance is associated with a particular request at the beginning of request processing, by a call to the getFacesContext () method of the FacesContextFactory instance associated with the current web application.
What does the abstract class facescontext do in Java?
public abstract class FacesContext. FacesContext contains all of the per-request state information related to the processing of a single JavaServer Faces request, and the rendering of the corresponding response. It is passed to, and potentially modified by, each phase of the request processing lifecycle.