Java Portlet Specification
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The Java Portlet Specification defines a contract between the portlet container and portlets and provides a convenient programming model for Java portlet developers.
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JSR 168 [edit]
The Java Portlet Specification V1.0 was developed under the Java Community Process as Java Specification Request JSR 168.
The Java Portlet Specification V1.0 introduces the basic portlet programming model with:
- two phases of action processing and rendering in order to support the Model-View-Controller pattern.
- portlet modes, enabling the portal to advise the portlet what task it should perform and what content it should generate
- window states, indicating the amount of portal page space that will be assigned to the content generated by the portlet
- portlet data model, allowing the portlet to store view information in the render parameters, session related information in the portlet session and per user persistent data in the portlet preferences
- a packaging format in order to group different portlets and other Java EE artifacts needed by these portlets into one portlet application which can be deployed on the portal server.
- Portal development is a way to integrate the different web-based applications for supporting deliveries of information and services.
JSR 286 [edit]
JSR-286 is the Java Portlet specification v2.0 as developed under the JCP and created in alignment with the updated version 2.0 of WSRP.[1] It was developed to improve on the short-comings on version 1.0 of the specification, JSR-168. Some of its major features include:[2]
- Inter-Portlet Communication through events and public render parameters
- Serving dynamically generated resources directly through portlets
- Serving AJAX or JSON data directly through portlets
- Introduction of portlet filters and listeners
Portal servers [edit]
See Enterprise Portal Vendors.
See also [edit]
References [edit]
- ^ "JSR 286: Portlet Specification 2.0".
- ^ Hepper, Stefan (18 March 2008). "What's new in the Java Portlet Specification V2.0 (JSR 286)?". IBM.
External links [edit]
- JSR 168
- JSR 286 (version 2.0 of the Java portlet specification)
- JSR 168 Open Source Reference Implementation at Apache
- Open source JSR 168/WSRP community at http://java.net
- Rapid Portlet Generator for generating JSR 168-compliant portlets
- Dynamic SOAP Portlet, for dynamic integration of SOAP services in JSR-168 portals
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