Rajiv Mordani's Blog

Rajiv Mordani is a senior engineer at Sun Microsystems, working on the web technologies as an architect. Rajiv has been involved in the open source community at Apache with xerces and tomcat in the past doing implementation and also as the JAXP specification lead. He is currently the specification lead for Servlets.

Slides from our talk at JavaOne.

Proposed Final Draft of Servlet 3.0 now available

Servlet 3.0 PFD draft coming soon.

• The issues around Async have been worked out and Greg will also be posting an update to his last set of comments. Basically there were some tweaks to the APIs and semantics of the proposal. However the proposal itself hasn't changed drastically. It has been implemented in GlassFish and I believe also in Jetty 7.0 pre release build.
• We now have an ordering solution for Servlets, Filters and Listeners that also allows users to control what jar files are looked up based on the pluggability feature described previously.
• In addition to the pluggability via fragments, annotations, we also introduced the concept of ServletContainerInitializer which allows you to plugin providers based on either annotations or classes that a particular class implements. For example when plugging in JAX-WS into a web container to support web services, today most implementations require you to use a proprietary descriptor (unless you are writing a JSR 109 style web service) for using the web service library in a web container. I will provide more details of how framework authors can use the ServletContainerInitializer in a separate blog soon to follow.
• Ability to load static resources and JSPs from a jar file. This feature enables users to bundle shared resources in a jar file in a special directory - META-INF/resources. When included in the WEB-INF/lib directory of the webapp, if the container does not find a particular resource in the root directory of the webapp, it will look at the jar files in the WEB-INF/lib to see if the resource is bundled in META-INF/resources of any jar file and serve it up.
• Security enhancements - programmatic authenticate, login and logout support. Support for @RolesAllowed, @PermitAll, @DenyAll annotations in the web container.
• Updated existing APIs to use generics where possible in a backward compatible manner.
• Default error pages for error codes.
• Clarified welcome files.
• File upload - We have a basic solution in place, which we will build upon in a future release of the Servlet specification.

If you are attending JavaOne this year, Jan Luehe (from Sun), Greg Wilkins(Jetty / Webtide) and I will be presenting the Servlet 3.0 features in a technical session - TS-3790 "Java™ Servlet 3.0: Empowering Your Web Applications With Async, Extensibility and More"

June 2009

Search this blog:

Categories

Archives

June 2009
May 2009
April 2009
December 2008
August 2008
May 2008
April 2008
October 2007
September 2007
July 2007
June 2007
May 2007
December 2006
July 2006
April 2006
June 2005

Recent Entries

Slides from our talk at JavaOne.

Proposed Final Draft of Servlet 3.0 now available

Servlet 3.0 PFD draft coming soon.

This work is licensed under a Creative Commons License.