Please check out the Chart page on the Workbench. The general concept is adaptable to your situation, except that instead of encoding the identity of a component, you would encode primary key information for a row in a table.
----- Original Message ----- From: "Pablo I. Lalloni" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Tuesday, October 08, 2002 11:50 PM Subject: [Tapestry-developer] Image from EJB > I need to render an image which is persisted in an entity ejb. > > After looking at the docs and source code of Tapestry, as far as I > see, the simplest approach seems to be making an implementation of > IAsset that looks for the appropiate image from the > data access layer and returns it from the getResourceAsStream() > method. > > Could this work? > > I have some questions about this. > > Which is the life cycle of the IAsset implementations? > This question raise at the point of making an implementation which > takes some parameters in the constructor (parameters that gives the > implementor a reference to the data access layer and info for looking > for the correct image). > > Apparently, this parameters should be encoded in the URL in buildURL() > and parsed to extract them back in getResourceAsStream() from > cycle.getServiceParameters() so at this point the instance variables > initialized in the constructor and used in buildURL() are expected to > have the same values or is this a new instance of the implementor? > > How the AssetService connects back to this IAsset implementation to > ask the getResourceAsStream() method for the appropiate data? > > mmm... I'm lost. > > -- > Saludos, > Pablo mailto:[EMAIL PROTECTED] > > "The only thing that interferes with my learning is my education." > Albert Einstein > > > > > > ------------------------------------------------------- > This sf.net email is sponsored by:ThinkGeek > Welcome to geek heaven. > http://thinkgeek.com/sf > _______________________________________________ > Tapestry-developer mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/tapestry-developer > ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ Tapestry-developer mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/tapestry-developer
