Loading jar files without extracting

Is it possible to load a jar file without extracting it? If so, how?
I've loaded the JCE and the class that I'm using references another jar file, which also comes with the JCE. I've loaded that other jar as well, but it's failing. It appears to be looking for the jar by it's name (US_export_policy.jar). I'm not sure how to get Oracle's JVM to see the other jar.
Thanks,
Kevin Ash
[email protected]

On 10/28/10 11:13 PM, Tilak wrote:
> I use JDT API org.eclipse.jdt.internal.core.util.ClassFileReader to
> identify annotated POJOs, which doesn't provide functionality to
> identify a POJO as annotated if it's parent (interface) is already
> annotated.
If you're directly reading class files, you may have to navigate the
class hierarchy yourself, e.g., recursively find and open the parent
types to search for annotations.
If the annotation type you're looking for has
@Retention(RetentionType.RUNTIME) or @Retention(RetentionType.CLASS),
and if it has @Inherited, then the APT annotation processing API will
report a class as showing the annotation, if one of its superclasses is
annotated. Roughly the same is true of reading the class reflectively.
However, that does not apply to interfaces, only to superclasses. You
can read about that in the JDK docs [1].
I guess what I'm saying is that by the terms of Java, a POJO _is not_
annotated just because it implements an interface that happens to be
annotated. Therefore there is no direct way to ask a representation of
a class whether it is annotated in this way - rather, you have to walk
the supertype hierarchy and ask the individual interfaces whether they
have the annotation.
[1]
http://download.oracle.com/javase/1.5.0/docs/api/index.html? java/lang/annotation/Retention.html

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