Java EE (Java Enterprise Edition) General Discussion

Hi, i joined as a developer and i got one new task like.
In application we have one dropdown. beside the dropdown we have to put one disable and enable operations using (+ and -). if we click on '+', dropdown will be disable and textbox should be displayed.and if click on
' - ',dropdown will be enable and textbox should be disbld. whatever the user entered in text box(example 123Simple) that should be mapped in xml like 123/simple.please help me how to hardcode in java(struts action and xml) and their mappings
waiting for the reply,
thanking you.