if you are already using spring then this is trivial - applicationcontext has a getBeansOfType method and if you dont want to use spring's xml config then there is spring-annotations project that like ejb3 lets you annotate classes with @Bean
pico is nice, i used it a lot in the past. nano has always been a big mess. im not sure what you need is covered by nano though - and that is the discovery bit.
what you might also do is what we do for wicket's initializers. we have a specially named fine " wicket.properties" that inside has an attrib that points to the class name. similarly you can have something like plugin.properties with class=com.my.class inside, it is trivial to discover all such plugin.properties files on the classpath.
-igor
On 10/29/06, Karl M. Davis <[EMAIL PROTECTED]> wrote:
Hey there all,Sorry for being slightly off-topic but I was hoping someone here might be able to point me in the right direction. I'd like my wicket app to support plugins. What I need is a way to dynamically discover what plugins are available to be instantiated. A plugin in this case would be anything that implements the IPlugin interface. Specifically, I'd need a way to do the following:Set<Class<IPlugin>> getAvailablePlugins(){// look through the classpath for all implementations of IPlugin and return the classes...}I'm hoping for something fairly lightweight that can do this without a bunch of XML config files, etc. I was looking at Pico which seems to be as lightweight as I'd like but was a little short on documentation (I think its Nano subproject might be able to do it, but there weren't any examples).Anyone have some advice/experience? Am I going about this all wrong?Thanks!Karl
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