Hi Chen, For this purpose, you can override this method: ServerResource#toRepresentation(Object):Representation
Best regards, Jerome Louvel -- Restlet ~ Founder and Technical Lead ~ http://www.restlet.org Noelios Technologies ~ http://www.noelios.com ------------------------------------------------------ http://restlet.tigris.org/ds/viewMessage.do?dsForumId=4447&dsMessageId=2603358
