It's not a prefix - its in the middle of the generated id.
Do you know what JSP 2.1 generated id's look like? regards, Martin On 7/13/06, Jacob Hookom <[EMAIL PROTECTED]> wrote:
Unique Id generation aside, I think the qualm was with the 'jsp' prefix in the generated IDs. I know that JSP 2.1 has the ability to assign ids unique to a tag on a page, but that's different than what you are describing. Martin Marinschek wrote: > The problem is that there is a bug in the spec here. > > If you called createUniqueId in earlier MyFaces versions, you would > receive a unique id, but only unique for one request. On the next > request, the sequence would be restarted. This would make working with > dynamic component creation exceptionally hard, if not impossible. On > subsequent requests, the sequence counter would'nt start anew, and > you'd get DuplicateIdExceptions all over! > > To fix this, we went to be more inline with what JSF1.2 foresees for > id creation. JSF 1.2 wants the servlet container to create unique ids > - so we loose control about the ids produced, and createUniqueId is > never called. Note: when we all move to 1.2, you won't know about the > id-syntax anymore anyways - the servlet container provides the unique > ids then. > > We implemented a partial solution of this - we have a separate counter > for JSP-tags; and those ids are produced out of a different sequence. > To make sure that the id's don't match, we prepend a "jsp" in front of > the actual unique id counter. > > With this solution, we can store the current sequence counter of > createUniqueId between requests, and dynamic component creation is not > a problem anymore! > > I wonder why you would need the component id to have a special syntax? > Do you rely in any way on this? > > regards, > > Martin > > On 7/12/06, *Gary VanMatre* <[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>> wrote: > > >From: "Matthias Wessendorf" <[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>> > > > > > Hey Howard, > > > > you mean stuff like ? > > > > > > > > > > > > Was introduced in " Revision 359449" > > > > see > > http://svn.apache.org/viewvc?view=rev&revision=359449 > <http://svn.apache.org/viewvc?view=rev&revision=359449> > > > > I can't tell you much about that. sorry! > > > > > > I did some research on this for Shale Clay. Clay has to > conditionally decide to use the ViewRoot to create a unique id or > use another method. It looks like it has to do with partial page > rendering. I suspect it was added for ajax component support. > > That's pretty much the same answer as Matthias. > > > > > -Matt > > Gary > > > > > On 7/12/06, Abrams, Howard A wrote: > > > > > > > > > > > > > > > Hi, > > > > > > > > > > > > Is there any reason why the UIComponentTag appends "jsp" to all > the > > > component ids in 1.1.3/1.1.4? Any chance this can be removed > for 1.1.4 so > > > that it returns the same ids as UIViewRoot.createUniqueId() and > the RI? > > > > > > > > > > > > Thanks, > > > > > > h > > > > > > -- > > Matthias Wessendorf > > > > further stuff: > > blog: http://jroller.com/page/mwessendorf > > mail: mwessendorf-at-gmail-dot-com > > > > > -- > > http://www.irian.at > > Your JSF powerhouse - > JSF Consulting, Development and > Courses in English and German > > Professional Support for Apache MyFaces -- -------------------------- Sent from my FrankenBerry Wireless Handheld
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