http://today.java.net/pub/a/today/2006/04/27/building-ajax-with-dojo-and-json.html
http://stackoverflow.com/questions/5311007/how-to-read-json-file-with-dojo
http://knol.google.com/k/how-to-build-a-dynamic-tree-with-dojo-dwr-spring-and-hibernate#
http://www.pigo.idv.tw/archives/54
http://stackoverflow.com/questions/8448855/making-dojo-grid-sort-with-spring-and-json
http://forum.springsource.org/showthread.php?94789-Using-ResponseBody-to-get-JSON
Jackson : High-performance JSON processor
http://www.mkyong.com/spring-mvc/spring-3-mvc-and-json-example/
http://blog.springsource.org/2010/01/25/ajax-simplifications-in-spring-3-0/
http://digitaljoel.nerd-herders.com/2011/01/29/ajax-post-to-spring-mvc-controller/