ServletContext attributes 'foo' #application['foo'] or #application.foo Access to PageContext for attribute foo #attr['foo'] or #attr.foo
in WebWork 1.x one could access special named objects (the request scope attributes to be exact) by using "@foo", but now special variables are accessed using "#foo" is merely a request to another object in the OgnlContext <other than the root> http://struts.apache.org/2.0.11.1/docs/ognl-basics.html Good Stuff Martin ----- Original Message ----- From: "Adam Hardy" <[EMAIL PROTECTED]> To: "Struts Users Mailing List" <user@struts.apache.org> Sent: Saturday, April 19, 2008 9:11 PM Subject: Re: from Action to PageContext: how's it done? > Dave Newton on 20/04/08 00:23, wrote: > > --- Adam Hardy <[EMAIL PROTECTED]> wrote: > >> So you say the StrutsRequestWrapper holds the struts context [...] > > > > No, I'm saying it has access to it via ActionContext.getContext(). > > > >> and is accessed somewhere in the Result to pull everything down > >> into the PageContext? > > > > I'm not sure what that means. > > > > All the request wrapper does (slightly simplified) is call super.getAttribute > > (where super is an HttpServletRequestWrapper). If nothing is returned from > > that, as would be the case with a typical action and action property, then > > the wrapper will query the stack for the value. > > > > You should probably just look at the source code, no? > > Yes, I guess I should if I had a team of sherpas for the expedition. I once > scaled the face of the Hibernate Source Massif and only 3 of the team came back > alive. > > But seriously, I appreciate your comments a lot since they buy me out of lot of > hard source code reading, which is not something too pleasant when you don't > know where you're aiming for, as you probably know. > > What you're saying is clear except one thing - in JSTL I can access the action. > And in JSTL, I'm not calling request.getAttribute() - I'm _not_ doing this: > > ${requestScope['myObject']} > > I'm just doing this: > > ${myObject} > > and struts somehow gives me the right info, which to my mind means that Struts > has put that object into the PageContext already. > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
