[Advanced-java] Origin of a Class

[mgart@xxxxxxxxxxxxx (Gart, Mitch)]

object.getClass().getClassLoader() instanceof java.net.URLClassLoader

will tell you if it comes from a URLClassLoader.  But after that I
don't know of a way to find out where it was loaded from.

System.getProperty("java.class.path")   gets you the classpath.

- Mitch

> -----Original Message-----
> From: Mahesh [mailto:maheshg@xxxxxxxxx]
> Sent: Wednesday, March 13, 2002 3:07 PM
> To: advanced-java@xxxxxxxxxxxxxxxxxxxxxx
> Subject: [Advanced-java] Origin of a Class
> 
> 
> If given an instance of Object, is there a way to find out 
> the URL from
> which it was loaded ?
> 
> Object obj = new Object();
> You can find the classloader for this object, from
> obj.getClass().getClassLoader();
> So i can find out whether it was loaded by the system classloader or
> URLClassLoader or ...
> Can you go further than this ? Is there a way to pinpoint the 
> jar file from
> which the class was loaded ?
> 
> Also is there a way to find out the "classpath" through JNI ?
> 
> thanks
> Mahesh
> 
> 
> 
> 
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