#include <stdio.h>
#include "jni.h"

static const char *classPathName = "com/jayway/MyClassName";

static JNINativeMethod methods[] = {
  // nameOfNativeMethod, methodSignature, methodPointer	
  {"", "", },
};
  
/*
 * Register several native methods for one class.
 */
static int registerNativeMethods(JNIEnv* env, const char* className,
    JNINativeMethod* gMethods, int numMethods)
{
    jclass clazz;

    clazz = (*env)->FindClass(env,className);
    if (clazz == NULL) {
        return JNI_FALSE;
    }
    if ((*env)->RegisterNatives(env,clazz, gMethods, numMethods) < 0) {
        return JNI_FALSE;
    }

    return JNI_TRUE;
}

/*
 * Register native methods for all classes we know about.
 *
 * returns JNI_TRUE on success.
 */
static int registerNatives(JNIEnv* env)
{
  if (!registerNativeMethods(env, classPathName,
                 methods, sizeof(methods) / sizeof(methods[0]))) {
    return JNI_FALSE;
  }

  return JNI_TRUE;
}

// ----------------------------------------------------------------------------

/*
 * This is called by the VM when the shared library is first loaded.
 */
 
typedef union {
    JNIEnv* env;
    void* venv;
} UnionJNIEnvToVoid;

jint JNI_OnLoad(JavaVM* vm, void* reserved)
{
    UnionJNIEnvToVoid uenv;
    uenv.venv = NULL;
    jint result = -1;
    JNIEnv* env = NULL;
    

    if ((*vm)->GetEnv(vm,&uenv.venv, JNI_VERSION_1_4) != JNI_OK) {
        goto bail;
    }
    env = uenv.env;

    if (registerNatives(env) != JNI_TRUE) {
        goto bail;
    }
    
    result = JNI_VERSION_1_4;
    
bail:
    return result;
}