The ognl expression translates into java calls. So client.address.street would translate into
getClient().getAddress().getStreet() if getClient() or getAddress() return null, boom you get an NPE. I doubt that if webwork is using OGNL that the behaviour there is any different from what I have described. Geoff On 4/24/06, Angelo Luis <[EMAIL PROTECTED]> wrote: > I have a Client that have a Adrress and i want to navigate in the object > graph in that way : client.address.street, without have a null pointer > exception... how can i do that... > > I kwon that i can do that with webwork. is that a way to do in tapestry??? > Both (tapestry and ww) uses OGNL, so .... > > PS; sorry for my english! > > -- The Spindle guy. http://spindle.sf.net Blog: http://jroller.com/page/glongman Other interests: http://www.squidoo.com/spaceelevator/ --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
