Strtuts2 UI

http://www.tutorialspoint.com/struts_2/struts_form_tags.htm

http://www.dzone.com/tutorials/java/struts-2/struts-2-example/struts-2-ui-tags-example-1.html

https://code.google.com/p/struts2-examples/downloads/list

http://stackoverflow.com/questions/14023164/unable-to-compare-two-strings-using-struts2-ognl-tag