What is the difference between JSR 168 and JSR 286?

Now all the major vendors support JSR 286 on their Portal server. Also known as Portlet 2.0, JSR 286 builds upon the first portlet standard, JSR 168, so it has all the features of the first standard plus more: Event handling. Shared parameters.

What JSR 286?

JSR 286 (Portlet 2.0) defines a lifecycle for events, so that eventing is possible between portlets that are in different web applications. An event is a lifecycle operation that occurs before the rendering phase. Events can be described as a loosely coupled, brokered means of communication between portlets.

What is portlet container?

The portlet container is the runtime environment for portlets using the JSR 286 Portlet specification, in which portlets are instantiated, used, and finally destroyed. The JSR 286 Portlet application programming interface (API) provides standard interfaces for portlets and backwards compatibility for JSR 168 portlets.

What are portlet apps?

Hence a portlet (or collection of portlets) resembles a web-based application that is hosted in a portal. Some examples of portlet applications are e-mail, weather reports, discussion forums, and news. A portlet is managed by a portlet container.

What Portlet means?

A portlet is a Web-based component that will process requests and generate dynamic content. The end-user would essentially see a portlet as being a specialized content area within a Web page that occupies a small window in the portal page.

What does JSR mean?

JSR

What is difference between servlet and portlet?

Servlets can render complete web pages, whereas portlets renders html fragments. These fragments are aggregated by the portal into a complete web page. A Portlet unlike a servlet doesn’t have URL attached to it so it cannot be accessed directly. Access is only through the portal page which holds the portlet.

What is the full form of JSK?

Term. Jansankhya Sthirata Kosh. Ministry of Health and Family Welfare Organization. JSK.

What does JSR mean in PLC?

Jump to Subroutine instruction
We’ve been using the JSR, or the Jump to Subroutine instruction, in many places of our code. This simple instruction allows the programmer to indicate which routines to execute within a program. As the PLC scans the JSR instruction, it executes the associate subroutine.

Is the JSR 168 portlet compatible with JSR 286?

In February 2006, the JSR 286 Expert Group was formed to start work on Java Portlet Specification 2.0. When that is finalized, backward compatibility will be in place: JSR 168 portlets will be able to run seamlessly in JSR 286 portlet containers.

How is eventing possible between portlets in JSR 168?

In JSR 168 (Portlet 1.0), the only way to achieve eventing between portlets was through a portlet session. This was possible between portlets that are in the same web application. JSR 286 (Portlet 2.0) defines a lifecycle for events, so that eventing is possible between portlets that are in different web applications.

How to understand the Java Portlet Specification 2.0?

Part 1 provides an overview of the Java Portlet Specifications and explains in detail one of the main features introduced in JSR 286: coordination between portlets. Part 2 describes the other new features introduced in JSR 286. Part 3 describes the extensions supported by OpenPortal Portlet Container 2.x.

When did Java Portlet v1.0 come out?

The Java Portlet Specification V1.0 was developed under the Java Community Process as Java Specification Request JSR 168, and released in its final form in October 2003.