Updated : Mar 30, 2021 in Art


The goal of JSR (Java Specification Request) , the Portlet and a set of portlet APIs that address personalization, presentation, and. To enable interoperability between Portlets and Portals, this specification will define a set of APIs for Portal computing addressing the areas of aggregation. The Java Portlet Specification V was developed under the Java Community Process as Java Specification Request JSR , and.

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Retrieved from ” https: Typically, following the desktop metaphora portal page is displayed as a collection of non-overlapping portlet windows, where each portlet window displays a portlet.

Also, it will define the minimum set of possible window states for a Portlet such as normal, minimized, maximized, etc. Portlet API Spec community draft: The Aoi will provide a Portley mechanism for creating links to trigger actions within a Portlet without requiring knowledge on how URLs are structured in the particular web application. The Portlet specification will be designed leveraging the following technologies: Client agnostic Support for multiple types of clients multi-device Simple Portlet API Support for Localization and Internationalization Hot deployment and re-deployment of Portal portet Declarative security same as to the mechanism found in Servlet and EJB specs Architected to support remote execution of Portlets The Portlet specification will be based on the Servlet specification.

A portlet responds to requests from a web client with and generates dynamic content.

Some examples of portlet applications are e-mailweather reportsdiscussion forumsand news. Usually, many Portlets are invoked to in the single request of a Portal page. The Java Portlet Specification defines a contract between the portlet container and portlets and provides a convenient programming model for Java portlet developers.


It also provides persistent storage mechanisms for the portlet preferences. A portlet container receives requests from the portal to execute requests on the portlets hosted by it.

Portlet APIs

The Expert Group will evaluate defining a Credential mapping service to allow the Portal application to access resources in other applications not supporting the notion of distributed sessions- on behalf of user. A JSR portlets catalog makes sure that portlets under this catalog may run on any standards—compliant Java portal server.

A portlet is managed by a portlet container. The TCK will be managed by Sun and will be available to independent implementors with no requirements to also license or use the RI.

Some of its major features include: We anticipate a mixture of mailing list and occasional face to face or teleconference meetings.

Testing and debugging portlets. For those who want to adopt portals certainly need many and variety of portlets to deploy and run. Web Logic Portal 4.

JSR Portlet API FR

APIs and descriptors to support internationalization and localization are a fundamental design goal of this JSR. For deployers, it’s easy to keep a single set of solution and deploy it on many.

A portlet container contains portlets and manages their life cycles. Initially Java portal vendors had their own portlet development framework thus those portlets were confined to specific portal servers and couldn’t be deployed to the rest of the Java portals. Articles needing additional references from January All articles needing additional references. JSR specifications offer suitability to the developers to reuse the code to maintain a set of JSR compliant portlets.


If this specification, or a future version of this specification, is included in a future version of a Java platform specification, this specification will remain available for use outside the platform specification, and will continue to be evolved outside the platform specification, unless both specification leads agree otherwise. Different implementations are available today, the following list enumerates some of them: The Portlet specification will restrict the use of functions provided by the Servlet API to a subset that makes sense for components providing fragments of a markup page.

What is JSR portlet specification and its advantages? | Web Portal Club

The Java Portlet Specification V1. JSR is the Java Portlet specification v3. A portal and a portlet container can be built together as a single component of an application suite or as two separate components of a portal application. NOTE that this section has been updated since the original request. For a description of the Portlet technology, refer to section 2. The goal is to allow Portlets to be packaged into WAR files and deployed in a standard way on any server implementing the specification.