Support passing the JNIEnv pointer to native methods.

[chirino]

No description provided.

[chirino]

The way it will work from java is:

import org.fusesource.hawtjni.runtime.JNIEnv
// ... then declare the native method...
public static final native void foo(JNIEnv env);

it will map to the following native signature:

void foo (JNIEnv *env);

Since the JNIEnv cannot be created from java, java callers just pass a null when calling, it will get replaced with the actual JNIEnv value.

foo(null);

[dchenbecker]

Looks good. How reasonable would it be to bump the leveldbjni dep on hawtjni to 1.6-SNAPSHOT so that I can finalize the "chunk" changes on my end and submit a pull request?

[chirino]

Go a head and bump it. I will release hawtjni next time we do a leveldbjni release.