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Portlet APIs: JSR 168, JSR 286, or IBM
RAD v7.5 supports the development of portlets using the JSR 168 portlet API, the JSR 286 portlet API, and the IBM portlet API. All three types of portlets can be deployed to WebSphere Portal.
- JSR 168 portlet API
Addresses the requirements of aggregation, personalization, presentation, and security for portlets running in a portal environment. Portlets that conform to the JSR 168 specification are more portable and reusable, because they can be deployed to any JSR 168-compliant portal.
Rational tools supports portlet development based on the JSR 168 specification.
Click-to-action cooperative behavior and portlet messaging are not supported in JSR 168 Faces portlets.
- JSR 286 portlet API
Provides additional capabilities, such as filters, events, and public render parameters. These improvements have necessitated changes to the XSD for the Portlet Deployment Descriptor that adds new elements to it.
- IBM portlet API
Initially supported for WebSphere Portal v4.x, and in subsequent versions of WebSphere Portal v5.x and v6.x. Deprecated in v6.x, but still supported. No new functionality will be added, and we recommend that you use the standard Portlet API.