Have a look at GWT Google APIs.
http://code.google.com/p/gwt-google-apis The Google API Libraries for Google Web Toolkit is a collection of libraries that provide Java language bindings for popular JavaScript APIs such as the Google AJAX Search API, Gears API, Maps API, Visualization API, and Gadgets. These libraries make it quick and easy for you to use these JavaScript APIs in your Google Web Toolkit project without having to write custom integration code using JavaScript. -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.