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Liferay Portal 5.2 Systems Development by Jonas Yuan

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Chapter 2. Working with JSR-286 Portlets

Liferay portal supports Java Portlet Specification 2.0 (that is, JSR-286). Liferay portal, starting from version 5.1, is a 100 % compliant implementation of the JSR-286. In this chapter, we will be discussing what portals and portlets are, what it means for them to be JSR-286 compliant, how to use and extend them smoothly, and how to coordinate inter‑portlet communication. For these purposes, you can assume that we will always be talking about JSR-286 compliant portlets.

The JSR-286 has grown up, and it has evolved. It now allows users to implement most of the use cases without the need to have vendor extensions. Generally speaking, the JSR-286 provides users with events and public render parameters, so ...

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