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JBoss Portals and AJAX - Part 2

Jan 30, 2009, 04:03 (0 Talkback[s])
(Other stories by Ramanujam Rao)

[ Thanks to Sanjiv Lavangare for this link. ]

"Layouts provide a structure for the creation and serving of portal pages. Layouts aggregate all of the content generated by the portlet, based on region and order, merge them with some additional content provided by the portal, and serve a response back to the user. By providing support for AJAX in the layout, helps facilitate the easy development and implementation of dynamic functionality in pages, with minimal effort.

"Layout markup is implemented using JSP tags. The JBoss JSP tag library, portlet-layout.tld, offers tags that facilitate the implementation of AJAX features in layouts. A JSP layout can be changed to an AJAX-supported page simply by adding references to the tags. Hence, using tags also helps with the easy implementation of features.

"The following is the layout page from the default portal generic layout ${JBOSS_PORTAL_HOME}serverdefaultdeployjboss-portal.sarportal-core.warlayoutsgenericindex.jsp, and shows AJAX support implemented as tags:"

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