How to use a servlet filter in Java to change an incoming servlet request url?

Question

How can I use a servlet filter to change an incoming servlet request url from

http://nm-java.appspot.com/Check_License/Dir_My_App/Dir_ABC/My_Obj_123

Answer 1

You could use the ready to use Url Rewrite Filter with a rule like this one:

  ^/Check_License/Dir_My_App/Dir_ABC/My_Obj_([0-9]+)$
  /Check_License?Contact_Id=My_Obj_$1

Check the Examples for more... examples.