* Covers the brand new Portlet Specification (JSR-168) to provide a standard API to portal applications. * Focuses on the key issues of portal development including integration, security and single sign-on. * Readers can learn how to port existing applications into the new portal environment firsthand from Jeff Linwood who helped to create the actual specification. * Readers can learn how to port existing applications into the new portal environment firsthand from Jeff Linwood who helped to create the actual specifications.