There's a lib for this, we've used it in anger, and it seems to work:
https://github.com/flatland/classlojure/blob/master/src/classlojure/core.clj
On Wed, Apr 24, 2013 at 12:01 AM, tbatchelli <tbatche...@gmail.com> wrote:
> This worked for me:
>
> (with-bindings {clojure.lang.Compiler/LOADER dcl} ...)
>
> (from:
> http://stackoverflow.com/questions/10941330/class-forname-in-clojure-not-respecting-contextclassloader)
>
> On Wednesday, February 27, 2013 9:45:32 AM UTC-8, dgrnbrg wrote:
>>
>> I am trying to include some Groovy code at runtime, which is already on
>> the JVM's classloader path. I have succeeded in setting the
>> groovy.lang.GroovyClassLoader with Clojure's classloader as the Thread's
>> contextClassLoader, but I'm having troubling getting (import ...) to work.
>> I discovered so far that (import ...) prefers to use the
>> clojure.lang.Compiler/LOADER if it's defined (and it is, in my project), so
>> I tried the following:
>>
>> (try
>> (push-thread-bindings {clojure.lang.Compiler/LOADER (groovy.lang.**
>> GroovyClassLoader.)}
>> ;GroovyCL defaults to use contextClassLoader as parent, which is the
>> Clojure ClassLoader
>> (import 'my_groovy_class)
>> (finally (pop-thread-bindings)))
>>
>> Note that I can successfully do (.. Thread currentThread
>> getContextClassLoader (loadCLass "my_groovy_class")) once I've set the
>> contextClassLoader.
>>
>> What is the way to get (import ...) working so that I can manipulate
>> my_groovy_class without resorting to forName/createInstance?
>>
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