Hi Konrad, Defaults have been implemented. Check the wiki. Regards, Justin
On Thu, Dec 19, 2013 at 12:21 PM, Konrad Windszus <konra...@gmx.de> wrote: > HI Justin, > thank a lot for that. I am assuming a lot of developers were waiting for just > that. Could you extend the wiki page with an example on how the model bean > should then be used from within the view (i.e. the JSP) and also some words > about the scope of one instance? > One very good addition to the annotations would probably be a default value > in case there is nothing reasonable to be injected (very useful for resource > values which are not yet set). > Thanks, > Konrad > > Am 19.12.2013 um 18:07 schrieb Justin Edelson <jus...@justinedelson.com>: > >> Hi, >> I've published a page to the wiki about a concept I've been working on >> to consolidate the various appproaches I have seen in the wild to >> model object creation. I'm calling this YAMF for now, although ideally >> we'll just call it Sling Models :) >> >> Without repeating the whole contents of the wiki page, at a high >> level, this is a purely annotation driven approach supporting both >> classes and interfaces. Your model class simply needs to declare from >> which other classes it can be adapted: >> >> @Model(adaptables=Resource.class) >> >> And then annotate the fields (for classes) and methods (for >> interfaces) which need injection: >> >> @Inject >> private String propertyName; >> >> You can inject properties, OSGi services, request attributes, and >> entries from SlingBindings. >> >> New injector types can be created through an SPI. >> >> Additional annotations are supported for special cases: >> >> @Optional - mark a field/method as optional. >> @Filter - provide a filter (i.e. for OSGi services) >> @Named - specify a name (other than the default field/method name) to >> use for the inejction lookup. >> >> More detail can be found here: >> https://cwiki.apache.org/confluence/display/SLING/YAMF+-+Yet+Another+Model+Factory >> >> The working code is up in my whiteboard: >> https://svn.apache.org/repos/asf/sling/whiteboard/justin/yamf/ >> >> Look forward to your feedback. >> >> Regards, >> Justin >
