Passing context information between different layer

[new springuser]

Hi,

I am just wondering what would be the best aproach to create and pass information i.e context (request, session, user profile etc) between layors (Persentation/ Business / Persistence) using Struts, Spring and (Either EJB's or Hibernate). Is their already something built in Spring which is similar to WorkArea concept in WAS 6.0

Thanks in advance

[katentim]

You usually won't want to pass something like request or session, as you want layers beneath the web to be independent of the web layer.

If you want to avoid passing objects via method arguments, attaching objects to the current thread using ThreadLocal is a useful approach.

[sethladd]

If you want to avoid passing objects via method arguments, attaching objects to the current thread using ThreadLocal is a useful approach.

For an example of this, consider checking out Acegi Security Framework. It stores its security information inside a ThreadLocal, making it available anywhere in the Thread.