Saturday, March 26, 2011

Can you list some functionalities supported by Portlets but not by Servlets?

Portlets have access to the following extra functionality not provided by servlets:

• Portlets have a means of accessing and storing persistent configuration and
customization data

• Portlets have access to user profile information

• Portlets have URL rewriting functions for creating hyperlinks within their
content, which allow portal server agnostic creation of links and actions in page
fragments

• Portlets can store transient data in the portlet session in two different scopes: the
application-wide scope and the portlet private scope.

• Portlets can send and receive events from other portlets or can receive container
defined events.

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