This book is a thorough introduction to JSR 168 which will assist portal developers up to full speed is relatively new to these specifications. Thomas Paul, JavaRanch Sheriff How do developers bring existing applications into the portal? This book describes the new portlet Java API, including security, portlet life cycles, and portlet interaction with servlets and JSP. Some examples of portlet was developed to provide portlet experience. Other topics covered are the open-source Apache Jakarta Lucene search engine, personalization, portlet configuration, portlet preferences, and Web Services for Remote Portals (WSRP).