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Java example source code file (jni.h)

This example Java source code file (jni.h) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

allocobject, callcharmethod, callfloatmethodv, getbooleanfield, javavm, javavm_, javavmoption, jnicall, jnienv, jnienv_, jniexport, jniinvokeinterface_, jninativeinterface_, jninativemethod

The jni.h Java example source code

/*
 * Copyright (c) 1996, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * We used part of Netscape's Java Runtime Interface (JRI) as the starting
 * point of our design and implementation.
 */

/******************************************************************************
 * Java Runtime Interface
 * Copyright (c) 1996 Netscape Communications Corporation. All rights reserved.
 *****************************************************************************/

#ifndef _JAVASOFT_JNI_H_
#define _JAVASOFT_JNI_H_

#include <stdio.h>
#include <stdarg.h>

/* jni_md.h contains the machine-dependent typedefs for jbyte, jint
   and jlong */

#include "jni_md.h"

#ifdef __cplusplus
extern "C" {
#endif

/*
 * JNI Types
 */

#ifndef JNI_TYPES_ALREADY_DEFINED_IN_JNI_MD_H

typedef unsigned char   jboolean;
typedef unsigned short  jchar;
typedef short           jshort;
typedef float           jfloat;
typedef double          jdouble;

typedef jint            jsize;

#ifdef __cplusplus

class _jobject {};
class _jclass : public _jobject {};
class _jthrowable : public _jobject {};
class _jstring : public _jobject {};
class _jarray : public _jobject {};
class _jbooleanArray : public _jarray {};
class _jbyteArray : public _jarray {};
class _jcharArray : public _jarray {};
class _jshortArray : public _jarray {};
class _jintArray : public _jarray {};
class _jlongArray : public _jarray {};
class _jfloatArray : public _jarray {};
class _jdoubleArray : public _jarray {};
class _jobjectArray : public _jarray {};

typedef _jobject *jobject;
typedef _jclass *jclass;
typedef _jthrowable *jthrowable;
typedef _jstring *jstring;
typedef _jarray *jarray;
typedef _jbooleanArray *jbooleanArray;
typedef _jbyteArray *jbyteArray;
typedef _jcharArray *jcharArray;
typedef _jshortArray *jshortArray;
typedef _jintArray *jintArray;
typedef _jlongArray *jlongArray;
typedef _jfloatArray *jfloatArray;
typedef _jdoubleArray *jdoubleArray;
typedef _jobjectArray *jobjectArray;

#else

struct _jobject;

typedef struct _jobject *jobject;
typedef jobject jclass;
typedef jobject jthrowable;
typedef jobject jstring;
typedef jobject jarray;
typedef jarray jbooleanArray;
typedef jarray jbyteArray;
typedef jarray jcharArray;
typedef jarray jshortArray;
typedef jarray jintArray;
typedef jarray jlongArray;
typedef jarray jfloatArray;
typedef jarray jdoubleArray;
typedef jarray jobjectArray;

#endif

typedef jobject jweak;

typedef union jvalue {
    jboolean z;
    jbyte    b;
    jchar    c;
    jshort   s;
    jint     i;
    jlong    j;
    jfloat   f;
    jdouble  d;
    jobject  l;
} jvalue;

struct _jfieldID;
typedef struct _jfieldID *jfieldID;

struct _jmethodID;
typedef struct _jmethodID *jmethodID;

/* Return values from jobjectRefType */
typedef enum _jobjectType {
     JNIInvalidRefType    = 0,
     JNILocalRefType      = 1,
     JNIGlobalRefType     = 2,
     JNIWeakGlobalRefType = 3
} jobjectRefType;


#endif /* JNI_TYPES_ALREADY_DEFINED_IN_JNI_MD_H */

/*
 * jboolean constants
 */

#define JNI_FALSE 0
#define JNI_TRUE 1

/*
 * possible return values for JNI functions.
 */

#define JNI_OK           0                 /* success */
#define JNI_ERR          (-1)              /* unknown error */
#define JNI_EDETACHED    (-2)              /* thread detached from the VM */
#define JNI_EVERSION     (-3)              /* JNI version error */
#define JNI_ENOMEM       (-4)              /* not enough memory */
#define JNI_EEXIST       (-5)              /* VM already created */
#define JNI_EINVAL       (-6)              /* invalid arguments */

/*
 * used in ReleaseScalarArrayElements
 */

#define JNI_COMMIT 1
#define JNI_ABORT 2

/*
 * used in RegisterNatives to describe native method name, signature,
 * and function pointer.
 */

typedef struct {
    char *name;
    char *signature;
    void *fnPtr;
} JNINativeMethod;

/*
 * JNI Native Method Interface.
 */

struct JNINativeInterface_;

struct JNIEnv_;

#ifdef __cplusplus
typedef JNIEnv_ JNIEnv;
#else
typedef const struct JNINativeInterface_ *JNIEnv;
#endif

/*
 * JNI Invocation Interface.
 */

struct JNIInvokeInterface_;

struct JavaVM_;

#ifdef __cplusplus
typedef JavaVM_ JavaVM;
#else
typedef const struct JNIInvokeInterface_ *JavaVM;
#endif

struct JNINativeInterface_ {
    void *reserved0;
    void *reserved1;
    void *reserved2;

    void *reserved3;
    jint (JNICALL *GetVersion)(JNIEnv *env);

    jclass (JNICALL *DefineClass)
      (JNIEnv *env, const char *name, jobject loader, const jbyte *buf,
       jsize len);
    jclass (JNICALL *FindClass)
      (JNIEnv *env, const char *name);

    jmethodID (JNICALL *FromReflectedMethod)
      (JNIEnv *env, jobject method);
    jfieldID (JNICALL *FromReflectedField)
      (JNIEnv *env, jobject field);

    jobject (JNICALL *ToReflectedMethod)
      (JNIEnv *env, jclass cls, jmethodID methodID, jboolean isStatic);

    jclass (JNICALL *GetSuperclass)
      (JNIEnv *env, jclass sub);
    jboolean (JNICALL *IsAssignableFrom)
      (JNIEnv *env, jclass sub, jclass sup);

    jobject (JNICALL *ToReflectedField)
      (JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic);

    jint (JNICALL *Throw)
      (JNIEnv *env, jthrowable obj);
    jint (JNICALL *ThrowNew)
      (JNIEnv *env, jclass clazz, const char *msg);
    jthrowable (JNICALL *ExceptionOccurred)
      (JNIEnv *env);
    void (JNICALL *ExceptionDescribe)
      (JNIEnv *env);
    void (JNICALL *ExceptionClear)
      (JNIEnv *env);
    void (JNICALL *FatalError)
      (JNIEnv *env, const char *msg);

    jint (JNICALL *PushLocalFrame)
      (JNIEnv *env, jint capacity);
    jobject (JNICALL *PopLocalFrame)
      (JNIEnv *env, jobject result);

    jobject (JNICALL *NewGlobalRef)
      (JNIEnv *env, jobject lobj);
    void (JNICALL *DeleteGlobalRef)
      (JNIEnv *env, jobject gref);
    void (JNICALL *DeleteLocalRef)
      (JNIEnv *env, jobject obj);
    jboolean (JNICALL *IsSameObject)
      (JNIEnv *env, jobject obj1, jobject obj2);
    jobject (JNICALL *NewLocalRef)
      (JNIEnv *env, jobject ref);
    jint (JNICALL *EnsureLocalCapacity)
      (JNIEnv *env, jint capacity);

    jobject (JNICALL *AllocObject)
      (JNIEnv *env, jclass clazz);
    jobject (JNICALL *NewObject)
      (JNIEnv *env, jclass clazz, jmethodID methodID, ...);
    jobject (JNICALL *NewObjectV)
      (JNIEnv *env, jclass clazz, jmethodID methodID, va_list args);
    jobject (JNICALL *NewObjectA)
      (JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args);

    jclass (JNICALL *GetObjectClass)
      (JNIEnv *env, jobject obj);
    jboolean (JNICALL *IsInstanceOf)
      (JNIEnv *env, jobject obj, jclass clazz);

    jmethodID (JNICALL *GetMethodID)
      (JNIEnv *env, jclass clazz, const char *name, const char *sig);

    jobject (JNICALL *CallObjectMethod)
      (JNIEnv *env, jobject obj, jmethodID methodID, ...);
    jobject (JNICALL *CallObjectMethodV)
      (JNIEnv *env, jobject obj, jmethodID methodID, va_list args);
    jobject (JNICALL *CallObjectMethodA)
      (JNIEnv *env, jobject obj, jmethodID methodID, const jvalue * args);

    jboolean (JNICALL *CallBooleanMethod)
      (JNIEnv *env, jobject obj, jmethodID methodID, ...);
    jboolean (JNICALL *CallBooleanMethodV)
      (JNIEnv *env, jobject obj, jmethodID methodID, va_list args);
    jboolean (JNICALL *CallBooleanMethodA)
      (JNIEnv *env, jobject obj, jmethodID methodID, const jvalue * args);

    jbyte (JNICALL *CallByteMethod)
      (JNIEnv *env, jobject obj, jmethodID methodID, ...);
    jbyte (JNICALL *CallByteMethodV)
      (JNIEnv *env, jobject obj, jmethodID methodID, va_list args);
    jbyte (JNICALL *CallByteMethodA)
      (JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args);

    jchar (JNICALL *CallCharMethod)
      (JNIEnv *env, jobject obj, jmethodID methodID, ...);
    jchar (JNICALL *CallCharMethodV)
      (JNIEnv *env, jobject obj, jmethodID methodID, va_list args);
    jchar (JNICALL *CallCharMethodA)
      (JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args);

    jshort (JNICALL *CallShortMethod)
      (JNIEnv *env, jobject obj, jmethodID methodID, ...);
    jshort (JNICALL *CallShortMethodV)
      (JNIEnv *env, jobject obj, jmethodID methodID, va_list args);
    jshort (JNICALL *CallShortMethodA)
      (JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args);

    jint (JNICALL *CallIntMethod)
      (JNIEnv *env, jobject obj, jmethodID methodID, ...);
    jint (JNICALL *CallIntMethodV)
      (JNIEnv *env, jobject obj, jmethodID methodID, va_list args);
    jint (JNICALL *CallIntMethodA)
      (JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args);

    jlong (JNICALL *CallLongMethod)
      (JNIEnv *env, jobject obj, jmethodID methodID, ...);
    jlong (JNICALL *CallLongMethodV)
      (JNIEnv *env, jobject obj, jmethodID methodID, va_list args);
    jlong (JNICALL *CallLongMethodA)
      (JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args);

    jfloat (JNICALL *CallFloatMethod)
      (JNIEnv *env, jobject obj, jmethodID methodID, ...);
    jfloat (JNICALL *CallFloatMethodV)
      (JNIEnv *env, jobject obj, jmethodID methodID, va_list args);
    jfloat (JNICALL *CallFloatMethodA)
      (JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args);

    jdouble (JNICALL *CallDoubleMethod)
      (JNIEnv *env, jobject obj, jmethodID methodID, ...);
    jdouble (JNICALL *CallDoubleMethodV)
      (JNIEnv *env, jobject obj, jmethodID methodID, va_list args);
    jdouble (JNICALL *CallDoubleMethodA)
      (JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args);

    void (JNICALL *CallVoidMethod)
      (JNIEnv *env, jobject obj, jmethodID methodID, ...);
    void (JNICALL *CallVoidMethodV)
      (JNIEnv *env, jobject obj, jmethodID methodID, va_list args);
    void (JNICALL *CallVoidMethodA)
      (JNIEnv *env, jobject obj, jmethodID methodID, const jvalue * args);

    jobject (JNICALL *CallNonvirtualObjectMethod)
      (JNIEnv *env, jobject obj, jclass clazz, jmethodID methodID, ...);
    jobject (JNICALL *CallNonvirtualObjectMethodV)
      (JNIEnv *env, jobject obj, jclass clazz, jmethodID methodID,
       va_list args);
    jobject (JNICALL *CallNonvirtualObjectMethodA)
      (JNIEnv *env, jobject obj, jclass clazz, jmethodID methodID,
       const jvalue * args);

    jboolean (JNICALL *CallNonvirtualBooleanMethod)
      (JNIEnv *env, jobject obj, jclass clazz, jmethodID methodID, ...);
    jboolean (JNICALL *CallNonvirtualBooleanMethodV)
      (JNIEnv *env, jobject obj, jclass clazz, jmethodID methodID,
       va_list args);
    jboolean (JNICALL *CallNonvirtualBooleanMethodA)
      (JNIEnv *env, jobject obj, jclass clazz, jmethodID methodID,
       const jvalue * args);

    jbyte (JNICALL *CallNonvirtualByteMethod)
      (JNIEnv *env, jobject obj, jclass clazz, jmethodID methodID, ...);
    jbyte (JNICALL *CallNonvirtualByteMethodV)
      (JNIEnv *env, jobject obj, jclass clazz, jmethodID methodID,
       va_list args);
    jbyte (JNICALL *CallNonvirtualByteMethodA)
      (JNIEnv *env, jobject obj, jclass clazz, jmethodID methodID,
       const jvalue *args);

    jchar (JNICALL *CallNonvirtualCharMethod)
      (JNIEnv *env, jobject obj, jclass clazz, jmethodID methodID, ...);
    jchar (JNICALL *CallNonvirtualCharMethodV)
      (JNIEnv *env, jobject obj, jclass clazz, jmethodID methodID,
       va_list args);
    jchar (JNICALL *CallNonvirtualCharMethodA)
      (JNIEnv *env, jobject obj, jclass clazz, jmethodID methodID,
       const jvalue *args);

    jshort (JNICALL *CallNonvirtualShortMethod)
      (JNIEnv *env, jobject obj, jclass clazz, jmethodID methodID, ...);
    jshort (JNICALL *CallNonvirtualShortMethodV)
      (JNIEnv *env, jobject obj, jclass clazz, jmethodID methodID,
       va_list args);
    jshort (JNICALL *CallNonvirtualShortMethodA)
      (JNIEnv *env, jobject obj, jclass clazz, jmethodID methodID,
       const jvalue *args);

    jint (JNICALL *CallNonvirtualIntMethod)
      (JNIEnv *env, jobject obj, jclass clazz, jmethodID methodID, ...);
    jint (JNICALL *CallNonvirtualIntMethodV)
      (JNIEnv *env, jobject obj, jclass clazz, jmethodID methodID,
       va_list args);
    jint (JNICALL *CallNonvirtualIntMethodA)
      (JNIEnv *env, jobject obj, jclass clazz, jmethodID methodID,
       const jvalue *args);

    jlong (JNICALL *CallNonvirtualLongMethod)
      (JNIEnv *env, jobject obj, jclass clazz, jmethodID methodID, ...);
    jlong (JNICALL *CallNonvirtualLongMethodV)
      (JNIEnv *env, jobject obj, jclass clazz, jmethodID methodID,
       va_list args);
    jlong (JNICALL *CallNonvirtualLongMethodA)
      (JNIEnv *env, jobject obj, jclass clazz, jmethodID methodID,
       const jvalue *args);

    jfloat (JNICALL *CallNonvirtualFloatMethod)
      (JNIEnv *env, jobject obj, jclass clazz, jmethodID methodID, ...);
    jfloat (JNICALL *CallNonvirtualFloatMethodV)
      (JNIEnv *env, jobject obj, jclass clazz, jmethodID methodID,
       va_list args);
    jfloat (JNICALL *CallNonvirtualFloatMethodA)
      (JNIEnv *env, jobject obj, jclass clazz, jmethodID methodID,
       const jvalue *args);

    jdouble (JNICALL *CallNonvirtualDoubleMethod)
      (JNIEnv *env, jobject obj, jclass clazz, jmethodID methodID, ...);
    jdouble (JNICALL *CallNonvirtualDoubleMethodV)
      (JNIEnv *env, jobject obj, jclass clazz, jmethodID methodID,
       va_list args);
    jdouble (JNICALL *CallNonvirtualDoubleMethodA)
      (JNIEnv *env, jobject obj, jclass clazz, jmethodID methodID,
       const jvalue *args);

    void (JNICALL *CallNonvirtualVoidMethod)
      (JNIEnv *env, jobject obj, jclass clazz, jmethodID methodID, ...);
    void (JNICALL *CallNonvirtualVoidMethodV)
      (JNIEnv *env, jobject obj, jclass clazz, jmethodID methodID,
       va_list args);
    void (JNICALL *CallNonvirtualVoidMethodA)
      (JNIEnv *env, jobject obj, jclass clazz, jmethodID methodID,
       const jvalue * args);

    jfieldID (JNICALL *GetFieldID)
      (JNIEnv *env, jclass clazz, const char *name, const char *sig);

    jobject (JNICALL *GetObjectField)
      (JNIEnv *env, jobject obj, jfieldID fieldID);
    jboolean (JNICALL *GetBooleanField)
      (JNIEnv *env, jobject obj, jfieldID fieldID);
    jbyte (JNICALL *GetByteField)
      (JNIEnv *env, jobject obj, jfieldID fieldID);
    jchar (JNICALL *GetCharField)
      (JNIEnv *env, jobject obj, jfieldID fieldID);
    jshort (JNICALL *GetShortField)
      (JNIEnv *env, jobject obj, jfieldID fieldID);
    jint (JNICALL *GetIntField)
      (JNIEnv *env, jobject obj, jfieldID fieldID);
    jlong (JNICALL *GetLongField)
      (JNIEnv *env, jobject obj, jfieldID fieldID);
    jfloat (JNICALL *GetFloatField)
      (JNIEnv *env, jobject obj, jfieldID fieldID);
    jdouble (JNICALL *GetDoubleField)
      (JNIEnv *env, jobject obj, jfieldID fieldID);

    void (JNICALL *SetObjectField)
      (JNIEnv *env, jobject obj, jfieldID fieldID, jobject val);
    void (JNICALL *SetBooleanField)
      (JNIEnv *env, jobject obj, jfieldID fieldID, jboolean val);
    void (JNICALL *SetByteField)
      (JNIEnv *env, jobject obj, jfieldID fieldID, jbyte val);
    void (JNICALL *SetCharField)
      (JNIEnv *env, jobject obj, jfieldID fieldID, jchar val);
    void (JNICALL *SetShortField)
      (JNIEnv *env, jobject obj, jfieldID fieldID, jshort val);
    void (JNICALL *SetIntField)
      (JNIEnv *env, jobject obj, jfieldID fieldID, jint val);
    void (JNICALL *SetLongField)
      (JNIEnv *env, jobject obj, jfieldID fieldID, jlong val);
    void (JNICALL *SetFloatField)
      (JNIEnv *env, jobject obj, jfieldID fieldID, jfloat val);
    void (JNICALL *SetDoubleField)
      (JNIEnv *env, jobject obj, jfieldID fieldID, jdouble val);

    jmethodID (JNICALL *GetStaticMethodID)
      (JNIEnv *env, jclass clazz, const char *name, const char *sig);

    jobject (JNICALL *CallStaticObjectMethod)
      (JNIEnv *env, jclass clazz, jmethodID methodID, ...);
    jobject (JNICALL *CallStaticObjectMethodV)
      (JNIEnv *env, jclass clazz, jmethodID methodID, va_list args);
    jobject (JNICALL *CallStaticObjectMethodA)
      (JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args);

    jboolean (JNICALL *CallStaticBooleanMethod)
      (JNIEnv *env, jclass clazz, jmethodID methodID, ...);
    jboolean (JNICALL *CallStaticBooleanMethodV)
      (JNIEnv *env, jclass clazz, jmethodID methodID, va_list args);
    jboolean (JNICALL *CallStaticBooleanMethodA)
      (JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args);

    jbyte (JNICALL *CallStaticByteMethod)
      (JNIEnv *env, jclass clazz, jmethodID methodID, ...);
    jbyte (JNICALL *CallStaticByteMethodV)
      (JNIEnv *env, jclass clazz, jmethodID methodID, va_list args);
    jbyte (JNICALL *CallStaticByteMethodA)
      (JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args);

    jchar (JNICALL *CallStaticCharMethod)
      (JNIEnv *env, jclass clazz, jmethodID methodID, ...);
    jchar (JNICALL *CallStaticCharMethodV)
      (JNIEnv *env, jclass clazz, jmethodID methodID, va_list args);
    jchar (JNICALL *CallStaticCharMethodA)
      (JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args);

    jshort (JNICALL *CallStaticShortMethod)
      (JNIEnv *env, jclass clazz, jmethodID methodID, ...);
    jshort (JNICALL *CallStaticShortMethodV)
      (JNIEnv *env, jclass clazz, jmethodID methodID, va_list args);
    jshort (JNICALL *CallStaticShortMethodA)
      (JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args);

    jint (JNICALL *CallStaticIntMethod)
      (JNIEnv *env, jclass clazz, jmethodID methodID, ...);
    jint (JNICALL *CallStaticIntMethodV)
      (JNIEnv *env, jclass clazz, jmethodID methodID, va_list args);
    jint (JNICALL *CallStaticIntMethodA)
      (JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args);

    jlong (JNICALL *CallStaticLongMethod)
      (JNIEnv *env, jclass clazz, jmethodID methodID, ...);
    jlong (JNICALL *CallStaticLongMethodV)
      (JNIEnv *env, jclass clazz, jmethodID methodID, va_list args);
    jlong (JNICALL *CallStaticLongMethodA)
      (JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args);

    jfloat (JNICALL *CallStaticFloatMethod)
      (JNIEnv *env, jclass clazz, jmethodID methodID, ...);
    jfloat (JNICALL *CallStaticFloatMethodV)
      (JNIEnv *env, jclass clazz, jmethodID methodID, va_list args);
    jfloat (JNICALL *CallStaticFloatMethodA)
      (JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args);

    jdouble (JNICALL *CallStaticDoubleMethod)
      (JNIEnv *env, jclass clazz, jmethodID methodID, ...);
    jdouble (JNICALL *CallStaticDoubleMethodV)
      (JNIEnv *env, jclass clazz, jmethodID methodID, va_list args);
    jdouble (JNICALL *CallStaticDoubleMethodA)
      (JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args);

    void (JNICALL *CallStaticVoidMethod)
      (JNIEnv *env, jclass cls, jmethodID methodID, ...);
    void (JNICALL *CallStaticVoidMethodV)
      (JNIEnv *env, jclass cls, jmethodID methodID, va_list args);
    void (JNICALL *CallStaticVoidMethodA)
      (JNIEnv *env, jclass cls, jmethodID methodID, const jvalue * args);

    jfieldID (JNICALL *GetStaticFieldID)
      (JNIEnv *env, jclass clazz, const char *name, const char *sig);
    jobject (JNICALL *GetStaticObjectField)
      (JNIEnv *env, jclass clazz, jfieldID fieldID);
    jboolean (JNICALL *GetStaticBooleanField)
      (JNIEnv *env, jclass clazz, jfieldID fieldID);
    jbyte (JNICALL *GetStaticByteField)
      (JNIEnv *env, jclass clazz, jfieldID fieldID);
    jchar (JNICALL *GetStaticCharField)
      (JNIEnv *env, jclass clazz, jfieldID fieldID);
    jshort (JNICALL *GetStaticShortField)
      (JNIEnv *env, jclass clazz, jfieldID fieldID);
    jint (JNICALL *GetStaticIntField)
      (JNIEnv *env, jclass clazz, jfieldID fieldID);
    jlong (JNICALL *GetStaticLongField)
      (JNIEnv *env, jclass clazz, jfieldID fieldID);
    jfloat (JNICALL *GetStaticFloatField)
      (JNIEnv *env, jclass clazz, jfieldID fieldID);
    jdouble (JNICALL *GetStaticDoubleField)
      (JNIEnv *env, jclass clazz, jfieldID fieldID);

    void (JNICALL *SetStaticObjectField)
      (JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value);
    void (JNICALL *SetStaticBooleanField)
      (JNIEnv *env, jclass clazz, jfieldID fieldID, jboolean value);
    void (JNICALL *SetStaticByteField)
      (JNIEnv *env, jclass clazz, jfieldID fieldID, jbyte value);
    void (JNICALL *SetStaticCharField)
      (JNIEnv *env, jclass clazz, jfieldID fieldID, jchar value);
    void (JNICALL *SetStaticShortField)
      (JNIEnv *env, jclass clazz, jfieldID fieldID, jshort value);
    void (JNICALL *SetStaticIntField)
      (JNIEnv *env, jclass clazz, jfieldID fieldID, jint value);
    void (JNICALL *SetStaticLongField)
      (JNIEnv *env, jclass clazz, jfieldID fieldID, jlong value);
    void (JNICALL *SetStaticFloatField)
      (JNIEnv *env, jclass clazz, jfieldID fieldID, jfloat value);
    void (JNICALL *SetStaticDoubleField)
      (JNIEnv *env, jclass clazz, jfieldID fieldID, jdouble value);

    jstring (JNICALL *NewString)
      (JNIEnv *env, const jchar *unicode, jsize len);
    jsize (JNICALL *GetStringLength)
      (JNIEnv *env, jstring str);
    const jchar *(JNICALL *GetStringChars)
      (JNIEnv *env, jstring str, jboolean *isCopy);
    void (JNICALL *ReleaseStringChars)
      (JNIEnv *env, jstring str, const jchar *chars);

    jstring (JNICALL *NewStringUTF)
      (JNIEnv *env, const char *utf);
    jsize (JNICALL *GetStringUTFLength)
      (JNIEnv *env, jstring str);
    const char* (JNICALL *GetStringUTFChars)
      (JNIEnv *env, jstring str, jboolean *isCopy);
    void (JNICALL *ReleaseStringUTFChars)
      (JNIEnv *env, jstring str, const char* chars);


    jsize (JNICALL *GetArrayLength)
      (JNIEnv *env, jarray array);

    jobjectArray (JNICALL *NewObjectArray)
      (JNIEnv *env, jsize len, jclass clazz, jobject init);
    jobject (JNICALL *GetObjectArrayElement)
      (JNIEnv *env, jobjectArray array, jsize index);
    void (JNICALL *SetObjectArrayElement)
      (JNIEnv *env, jobjectArray array, jsize index, jobject val);

    jbooleanArray (JNICALL *NewBooleanArray)
      (JNIEnv *env, jsize len);
    jbyteArray (JNICALL *NewByteArray)
      (JNIEnv *env, jsize len);
    jcharArray (JNICALL *NewCharArray)
      (JNIEnv *env, jsize len);
    jshortArray (JNICALL *NewShortArray)
      (JNIEnv *env, jsize len);
    jintArray (JNICALL *NewIntArray)
      (JNIEnv *env, jsize len);
    jlongArray (JNICALL *NewLongArray)
      (JNIEnv *env, jsize len);
    jfloatArray (JNICALL *NewFloatArray)
      (JNIEnv *env, jsize len);
    jdoubleArray (JNICALL *NewDoubleArray)
      (JNIEnv *env, jsize len);

    jboolean * (JNICALL *GetBooleanArrayElements)
      (JNIEnv *env, jbooleanArray array, jboolean *isCopy);
    jbyte * (JNICALL *GetByteArrayElements)
      (JNIEnv *env, jbyteArray array, jboolean *isCopy);
    jchar * (JNICALL *GetCharArrayElements)
      (JNIEnv *env, jcharArray array, jboolean *isCopy);
    jshort * (JNICALL *GetShortArrayElements)
      (JNIEnv *env, jshortArray array, jboolean *isCopy);
    jint * (JNICALL *GetIntArrayElements)
      (JNIEnv *env, jintArray array, jboolean *isCopy);
    jlong * (JNICALL *GetLongArrayElements)
      (JNIEnv *env, jlongArray array, jboolean *isCopy);
    jfloat * (JNICALL *GetFloatArrayElements)
      (JNIEnv *env, jfloatArray array, jboolean *isCopy);
    jdouble * (JNICALL *GetDoubleArrayElements)
      (JNIEnv *env, jdoubleArray array, jboolean *isCopy);

    void (JNICALL *ReleaseBooleanArrayElements)
      (JNIEnv *env, jbooleanArray array, jboolean *elems, jint mode);
    void (JNICALL *ReleaseByteArrayElements)
      (JNIEnv *env, jbyteArray array, jbyte *elems, jint mode);
    void (JNICALL *ReleaseCharArrayElements)
      (JNIEnv *env, jcharArray array, jchar *elems, jint mode);
    void (JNICALL *ReleaseShortArrayElements)
      (JNIEnv *env, jshortArray array, jshort *elems, jint mode);
    void (JNICALL *ReleaseIntArrayElements)
      (JNIEnv *env, jintArray array, jint *elems, jint mode);
    void (JNICALL *ReleaseLongArrayElements)
      (JNIEnv *env, jlongArray array, jlong *elems, jint mode);
    void (JNICALL *ReleaseFloatArrayElements)
      (JNIEnv *env, jfloatArray array, jfloat *elems, jint mode);
    void (JNICALL *ReleaseDoubleArrayElements)
      (JNIEnv *env, jdoubleArray array, jdouble *elems, jint mode);

    void (JNICALL *GetBooleanArrayRegion)
      (JNIEnv *env, jbooleanArray array, jsize start, jsize l, jboolean *buf);
    void (JNICALL *GetByteArrayRegion)
      (JNIEnv *env, jbyteArray array, jsize start, jsize len, jbyte *buf);
    void (JNICALL *GetCharArrayRegion)
      (JNIEnv *env, jcharArray array, jsize start, jsize len, jchar *buf);
    void (JNICALL *GetShortArrayRegion)
      (JNIEnv *env, jshortArray array, jsize start, jsize len, jshort *buf);
    void (JNICALL *GetIntArrayRegion)
      (JNIEnv *env, jintArray array, jsize start, jsize len, jint *buf);
    void (JNICALL *GetLongArrayRegion)
      (JNIEnv *env, jlongArray array, jsize start, jsize len, jlong *buf);
    void (JNICALL *GetFloatArrayRegion)
      (JNIEnv *env, jfloatArray array, jsize start, jsize len, jfloat *buf);
    void (JNICALL *GetDoubleArrayRegion)
      (JNIEnv *env, jdoubleArray array, jsize start, jsize len, jdouble *buf);

    void (JNICALL *SetBooleanArrayRegion)
      (JNIEnv *env, jbooleanArray array, jsize start, jsize l, const jboolean *buf);
    void (JNICALL *SetByteArrayRegion)
      (JNIEnv *env, jbyteArray array, jsize start, jsize len, const jbyte *buf);
    void (JNICALL *SetCharArrayRegion)
      (JNIEnv *env, jcharArray array, jsize start, jsize len, const jchar *buf);
    void (JNICALL *SetShortArrayRegion)
      (JNIEnv *env, jshortArray array, jsize start, jsize len, const jshort *buf);
    void (JNICALL *SetIntArrayRegion)
      (JNIEnv *env, jintArray array, jsize start, jsize len, const jint *buf);
    void (JNICALL *SetLongArrayRegion)
      (JNIEnv *env, jlongArray array, jsize start, jsize len, const jlong *buf);
    void (JNICALL *SetFloatArrayRegion)
      (JNIEnv *env, jfloatArray array, jsize start, jsize len, const jfloat *buf);
    void (JNICALL *SetDoubleArrayRegion)
      (JNIEnv *env, jdoubleArray array, jsize start, jsize len, const jdouble *buf);

    jint (JNICALL *RegisterNatives)
      (JNIEnv *env, jclass clazz, const JNINativeMethod *methods,
       jint nMethods);
    jint (JNICALL *UnregisterNatives)
      (JNIEnv *env, jclass clazz);

    jint (JNICALL *MonitorEnter)
      (JNIEnv *env, jobject obj);
    jint (JNICALL *MonitorExit)
      (JNIEnv *env, jobject obj);

    jint (JNICALL *GetJavaVM)
      (JNIEnv *env, JavaVM **vm);

    void (JNICALL *GetStringRegion)
      (JNIEnv *env, jstring str, jsize start, jsize len, jchar *buf);
    void (JNICALL *GetStringUTFRegion)
      (JNIEnv *env, jstring str, jsize start, jsize len, char *buf);

    void * (JNICALL *GetPrimitiveArrayCritical)
      (JNIEnv *env, jarray array, jboolean *isCopy);
    void (JNICALL *ReleasePrimitiveArrayCritical)
      (JNIEnv *env, jarray array, void *carray, jint mode);

    const jchar * (JNICALL *GetStringCritical)
      (JNIEnv *env, jstring string, jboolean *isCopy);
    void (JNICALL *ReleaseStringCritical)
      (JNIEnv *env, jstring string, const jchar *cstring);

    jweak (JNICALL *NewWeakGlobalRef)
       (JNIEnv *env, jobject obj);
    void (JNICALL *DeleteWeakGlobalRef)
       (JNIEnv *env, jweak ref);

    jboolean (JNICALL *ExceptionCheck)
       (JNIEnv *env);

    jobject (JNICALL *NewDirectByteBuffer)
       (JNIEnv* env, void* address, jlong capacity);
    void* (JNICALL *GetDirectBufferAddress)
       (JNIEnv* env, jobject buf);
    jlong (JNICALL *GetDirectBufferCapacity)
       (JNIEnv* env, jobject buf);

    /* New JNI 1.6 Features */

    jobjectRefType (JNICALL *GetObjectRefType)
        (JNIEnv* env, jobject obj);
};

/*
 * We use inlined functions for C++ so that programmers can write:
 *
 *    env->FindClass("java/lang/String")
 *
 * in C++ rather than:
 *
 *    (*env)->FindClass(env, "java/lang/String")
 *
 * in C.
 */

struct JNIEnv_ {
    const struct JNINativeInterface_ *functions;
#ifdef __cplusplus

    jint GetVersion() {
        return functions->GetVersion(this);
    }
    jclass DefineClass(const char *name, jobject loader, const jbyte *buf,
                       jsize len) {
        return functions->DefineClass(this, name, loader, buf, len);
    }
    jclass FindClass(const char *name) {
        return functions->FindClass(this, name);
    }
    jmethodID FromReflectedMethod(jobject method) {
        return functions->FromReflectedMethod(this,method);
    }
    jfieldID FromReflectedField(jobject field) {
        return functions->FromReflectedField(this,field);
    }

    jobject ToReflectedMethod(jclass cls, jmethodID methodID, jboolean isStatic) {
        return functions->ToReflectedMethod(this, cls, methodID, isStatic);
    }

    jclass GetSuperclass(jclass sub) {
        return functions->GetSuperclass(this, sub);
    }
    jboolean IsAssignableFrom(jclass sub, jclass sup) {
        return functions->IsAssignableFrom(this, sub, sup);
    }

    jobject ToReflectedField(jclass cls, jfieldID fieldID, jboolean isStatic) {
        return functions->ToReflectedField(this,cls,fieldID,isStatic);
    }

    jint Throw(jthrowable obj) {
        return functions->Throw(this, obj);
    }
    jint ThrowNew(jclass clazz, const char *msg) {
        return functions->ThrowNew(this, clazz, msg);
    }
    jthrowable ExceptionOccurred() {
        return functions->ExceptionOccurred(this);
    }
    void ExceptionDescribe() {
        functions->ExceptionDescribe(this);
    }
    void ExceptionClear() {
        functions->ExceptionClear(this);
    }
    void FatalError(const char *msg) {
        functions->FatalError(this, msg);
    }

    jint PushLocalFrame(jint capacity) {
        return functions->PushLocalFrame(this,capacity);
    }
    jobject PopLocalFrame(jobject result) {
        return functions->PopLocalFrame(this,result);
    }

    jobject NewGlobalRef(jobject lobj) {
        return functions->NewGlobalRef(this,lobj);
    }
    void DeleteGlobalRef(jobject gref) {
        functions->DeleteGlobalRef(this,gref);
    }
    void DeleteLocalRef(jobject obj) {
        functions->DeleteLocalRef(this, obj);
    }

    jboolean IsSameObject(jobject obj1, jobject obj2) {
        return functions->IsSameObject(this,obj1,obj2);
    }

    jobject NewLocalRef(jobject ref) {
        return functions->NewLocalRef(this,ref);
    }
    jint EnsureLocalCapacity(jint capacity) {
        return functions->EnsureLocalCapacity(this,capacity);
    }

    jobject AllocObject(jclass clazz) {
        return functions->AllocObject(this,clazz);
    }
    jobject NewObject(jclass clazz, jmethodID methodID, ...) {
        va_list args;
        jobject result;
        va_start(args, methodID);
        result = functions->NewObjectV(this,clazz,methodID,args);
        va_end(args);
        return result;
    }
    jobject NewObjectV(jclass clazz, jmethodID methodID,
                       va_list args) {
        return functions->NewObjectV(this,clazz,methodID,args);
    }
    jobject NewObjectA(jclass clazz, jmethodID methodID,
                       const jvalue *args) {
        return functions->NewObjectA(this,clazz,methodID,args);
    }

    jclass GetObjectClass(jobject obj) {
        return functions->GetObjectClass(this,obj);
    }
    jboolean IsInstanceOf(jobject obj, jclass clazz) {
        return functions->IsInstanceOf(this,obj,clazz);
    }

    jmethodID GetMethodID(jclass clazz, const char *name,
                          const char *sig) {
        return functions->GetMethodID(this,clazz,name,sig);
    }

    jobject CallObjectMethod(jobject obj, jmethodID methodID, ...) {
        va_list args;
        jobject result;
        va_start(args,methodID);
        result = functions->CallObjectMethodV(this,obj,methodID,args);
        va_end(args);
        return result;
    }
    jobject CallObjectMethodV(jobject obj, jmethodID methodID,
                        va_list args) {
        return functions->CallObjectMethodV(this,obj,methodID,args);
    }
    jobject CallObjectMethodA(jobject obj, jmethodID methodID,
                        const jvalue * args) {
        return functions->CallObjectMethodA(this,obj,methodID,args);
    }

    jboolean CallBooleanMethod(jobject obj,
                               jmethodID methodID, ...) {
        va_list args;
        jboolean result;
        va_start(args,methodID);
        result = functions->CallBooleanMethodV(this,obj,methodID,args);
        va_end(args);
        return result;
    }
    jboolean CallBooleanMethodV(jobject obj, jmethodID methodID,
                                va_list args) {
        return functions->CallBooleanMethodV(this,obj,methodID,args);
    }
    jboolean CallBooleanMethodA(jobject obj, jmethodID methodID,
                                const jvalue * args) {
        return functions->CallBooleanMethodA(this,obj,methodID, args);
    }

    jbyte CallByteMethod(jobject obj, jmethodID methodID, ...) {
        va_list args;
        jbyte result;
        va_start(args,methodID);
        result = functions->CallByteMethodV(this,obj,methodID,args);
        va_end(args);
        return result;
    }
    jbyte CallByteMethodV(jobject obj, jmethodID methodID,
                          va_list args) {
        return functions->CallByteMethodV(this,obj,methodID,args);
    }
    jbyte CallByteMethodA(jobject obj, jmethodID methodID,
                          const jvalue * args) {
        return functions->CallByteMethodA(this,obj,methodID,args);
    }

    jchar CallCharMethod(jobject obj, jmethodID methodID, ...) {
        va_list args;
        jchar result;
        va_start(args,methodID);
        result = functions->CallCharMethodV(this,obj,methodID,args);
        va_end(args);
        return result;
    }
    jchar CallCharMethodV(jobject obj, jmethodID methodID,
                          va_list args) {
        return functions->CallCharMethodV(this,obj,methodID,args);
    }
    jchar CallCharMethodA(jobject obj, jmethodID methodID,
                          const jvalue * args) {
        return functions->CallCharMethodA(this,obj,methodID,args);
    }

    jshort CallShortMethod(jobject obj, jmethodID methodID, ...) {
        va_list args;
        jshort result;
        va_start(args,methodID);
        result = functions->CallShortMethodV(this,obj,methodID,args);
        va_end(args);
        return result;
    }
    jshort CallShortMethodV(jobject obj, jmethodID methodID,
                            va_list args) {
        return functions->CallShortMethodV(this,obj,methodID,args);
    }
    jshort CallShortMethodA(jobject obj, jmethodID methodID,
                            const jvalue * args) {
        return functions->CallShortMethodA(this,obj,methodID,args);
    }

    jint CallIntMethod(jobject obj, jmethodID methodID, ...) {
        va_list args;
        jint result;
        va_start(args,methodID);
        result = functions->CallIntMethodV(this,obj,methodID,args);
        va_end(args);
        return result;
    }
    jint CallIntMethodV(jobject obj, jmethodID methodID,
                        va_list args) {
        return functions->CallIntMethodV(this,obj,methodID,args);
    }
    jint CallIntMethodA(jobject obj, jmethodID methodID,
                        const jvalue * args) {
        return functions->CallIntMethodA(this,obj,methodID,args);
    }

    jlong CallLongMethod(jobject obj, jmethodID methodID, ...) {
        va_list args;
        jlong result;
        va_start(args,methodID);
        result = functions->CallLongMethodV(this,obj,methodID,args);
        va_end(args);
        return result;
    }
    jlong CallLongMethodV(jobject obj, jmethodID methodID,
                          va_list args) {
        return functions->CallLongMethodV(this,obj,methodID,args);
    }
    jlong CallLongMethodA(jobject obj, jmethodID methodID,
                          const jvalue * args) {
        return functions->CallLongMethodA(this,obj,methodID,args);
    }

    jfloat CallFloatMethod(jobject obj, jmethodID methodID, ...) {
        va_list args;
        jfloat result;
        va_start(args,methodID);
        result = functions->CallFloatMethodV(this,obj,methodID,args);
        va_end(args);
        return result;
    }
    jfloat CallFloatMethodV(jobject obj, jmethodID methodID,
                            va_list args) {
        return functions->CallFloatMethodV(this,obj,methodID,args);
    }
    jfloat CallFloatMethodA(jobject obj, jmethodID methodID,
                            const jvalue * args) {
        return functions->CallFloatMethodA(this,obj,methodID,args);
    }

    jdouble CallDoubleMethod(jobject obj, jmethodID methodID, ...) {
        va_list args;
        jdouble result;
        va_start(args,methodID);
        result = functions->CallDoubleMethodV(this,obj,methodID,args);
        va_end(args);
        return result;
    }
    jdouble CallDoubleMethodV(jobject obj, jmethodID methodID,
                        va_list args) {
        return functions->CallDoubleMethodV(this,obj,methodID,args);
    }
    jdouble CallDoubleMethodA(jobject obj, jmethodID methodID,
                        const jvalue * args) {
        return functions->CallDoubleMethodA(this,obj,methodID,args);
    }

    void CallVoidMethod(jobject obj, jmethodID methodID, ...) {
        va_list args;
        va_start(args,methodID);
        functions->CallVoidMethodV(this,obj,methodID,args);
        va_end(args);
    }
    void CallVoidMethodV(jobject obj, jmethodID methodID,
                         va_list args) {
        functions->CallVoidMethodV(this,obj,methodID,args);
    }
    void CallVoidMethodA(jobject obj, jmethodID methodID,
                         const jvalue * args) {
        functions->CallVoidMethodA(this,obj,methodID,args);
    }

    jobject CallNonvirtualObjectMethod(jobject obj, jclass clazz,
                                       jmethodID methodID, ...) {
        va_list args;
        jobject result;
        va_start(args,methodID);
        result = functions->CallNonvirtualObjectMethodV(this,obj,clazz,
                                                        methodID,args);
        va_end(args);
        return result;
    }
    jobject CallNonvirtualObjectMethodV(jobject obj, jclass clazz,
                                        jmethodID methodID, va_list args) {
        return functions->CallNonvirtualObjectMethodV(this,obj,clazz,
                                                      methodID,args);
    }
    jobject CallNonvirtualObjectMethodA(jobject obj, jclass clazz,
                                        jmethodID methodID, const jvalue * args) {
        return functions->CallNonvirtualObjectMethodA(this,obj,clazz,
                                                      methodID,args);
    }

    jboolean CallNonvirtualBooleanMethod(jobject obj, jclass clazz,
                                         jmethodID methodID, ...) {
        va_list args;
        jboolean result;
        va_start(args,methodID);
        result = functions->CallNonvirtualBooleanMethodV(this,obj,clazz,
                                                         methodID,args);
        va_end(args);
        return result;
    }
    jboolean CallNonvirtualBooleanMethodV(jobject obj, jclass clazz,
                                          jmethodID methodID, va_list args) {
        return functions->CallNonvirtualBooleanMethodV(this,obj,clazz,
                                                       methodID,args);
    }
    jboolean CallNonvirtualBooleanMethodA(jobject obj, jclass clazz,
                                          jmethodID methodID, const jvalue * args) {
        return functions->CallNonvirtualBooleanMethodA(this,obj,clazz,
                                                       methodID, args);
    }

    jbyte CallNonvirtualByteMethod(jobject obj, jclass clazz,
                                   jmethodID methodID, ...) {
        va_list args;
        jbyte result;
        va_start(args,methodID);
        result = functions->CallNonvirtualByteMethodV(this,obj,clazz,
                                                      methodID,args);
        va_end(args);
        return result;
    }
    jbyte CallNonvirtualByteMethodV(jobject obj, jclass clazz,
                                    jmethodID methodID, va_list args) {
        return functions->CallNonvirtualByteMethodV(this,obj,clazz,
                                                    methodID,args);
    }
    jbyte CallNonvirtualByteMethodA(jobject obj, jclass clazz,
                                    jmethodID methodID, const jvalue * args) {
        return functions->CallNonvirtualByteMethodA(this,obj,clazz,
                                                    methodID,args);
    }

    jchar CallNonvirtualCharMethod(jobject obj, jclass clazz,
                                   jmethodID methodID, ...) {
        va_list args;
        jchar result;
        va_start(args,methodID);
        result = functions->CallNonvirtualCharMethodV(this,obj,clazz,
                                                      methodID,args);
        va_end(args);
        return result;
    }
    jchar CallNonvirtualCharMethodV(jobject obj, jclass clazz,
                                    jmethodID methodID, va_list args) {
        return functions->CallNonvirtualCharMethodV(this,obj,clazz,
                                                    methodID,args);
    }
    jchar CallNonvirtualCharMethodA(jobject obj, jclass clazz,
                                    jmethodID methodID, const jvalue * args) {
        return functions->CallNonvirtualCharMethodA(this,obj,clazz,
                                                    methodID,args);
    }

    jshort CallNonvirtualShortMethod(jobject obj, jclass clazz,
                                     jmethodID methodID, ...) {
        va_list args;
        jshort result;
        va_start(args,methodID);
        result = functions->CallNonvirtualShortMethodV(this,obj,clazz,
                                                       methodID,args);
        va_end(args);
        return result;
    }
    jshort CallNonvirtualShortMethodV(jobject obj, jclass clazz,
                                      jmethodID methodID, va_list args) {
        return functions->CallNonvirtualShortMethodV(this,obj,clazz,
                                                     methodID,args);
    }
    jshort CallNonvirtualShortMethodA(jobject obj, jclass clazz,
                                      jmethodID methodID, const jvalue * args) {
        return functions->CallNonvirtualShortMethodA(this,obj,clazz,
                                                     methodID,args);
    }

    jint CallNonvirtualIntMethod(jobject obj, jclass clazz,
                                 jmethodID methodID, ...) {
        va_list args;
        jint result;
        va_start(args,methodID);
        result = functions->CallNonvirtualIntMethodV(this,obj,clazz,
                                                     methodID,args);
        va_end(args);
        return result;
    }
    jint CallNonvirtualIntMethodV(jobject obj, jclass clazz,
                                  jmethodID methodID, va_list args) {
        return functions->CallNonvirtualIntMethodV(this,obj,clazz,
                                                   methodID,args);
    }
    jint CallNonvirtualIntMethodA(jobject obj, jclass clazz,
                                  jmethodID methodID, const jvalue * args) {
        return functions->CallNonvirtualIntMethodA(this,obj,clazz,
                                                   methodID,args);
    }

    jlong CallNonvirtualLongMethod(jobject obj, jclass clazz,
                                   jmethodID methodID, ...) {
        va_list args;
        jlong result;
        va_start(args,methodID);
        result = functions->CallNonvirtualLongMethodV(this,obj,clazz,
                                                      methodID,args);
        va_end(args);
        return result;
    }
    jlong CallNonvirtualLongMethodV(jobject obj, jclass clazz,
                                    jmethodID methodID, va_list args) {
        return functions->CallNonvirtualLongMethodV(this,obj,clazz,
                                                    methodID,args);
    }
    jlong CallNonvirtualLongMethodA(jobject obj, jclass clazz,
                                    jmethodID methodID, const jvalue * args) {
        return functions->CallNonvirtualLongMethodA(this,obj,clazz,
                                                    methodID,args);
    }

    jfloat CallNonvirtualFloatMethod(jobject obj, jclass clazz,
                                     jmethodID methodID, ...) {
        va_list args;
        jfloat result;
        va_start(args,methodID);
        result = functions->CallNonvirtualFloatMethodV(this,obj,clazz,
                                                       methodID,args);
        va_end(args);
        return result;
    }
    jfloat CallNonvirtualFloatMethodV(jobject obj, jclass clazz,
                                      jmethodID methodID,
                                      va_list args) {
        return functions->CallNonvirtualFloatMethodV(this,obj,clazz,
                                                     methodID,args);
    }
    jfloat CallNonvirtualFloatMethodA(jobject obj, jclass clazz,
                                      jmethodID methodID,
                                      const jvalue * args) {
        return functions->CallNonvirtualFloatMethodA(this,obj,clazz,
                                                     methodID,args);
    }

    jdouble CallNonvirtualDoubleMethod(jobject obj, jclass clazz,
                                       jmethodID methodID, ...) {
        va_list args;
        jdouble result;
        va_start(args,methodID);
        result = functions->CallNonvirtualDoubleMethodV(this,obj,clazz,
                                                        methodID,args);
        va_end(args);
        return result;
    }
    jdouble CallNonvirtualDoubleMethodV(jobject obj, jclass clazz,
                                        jmethodID methodID,
                                        va_list args) {
        return functions->CallNonvirtualDoubleMethodV(this,obj,clazz,
                                                      methodID,args);
    }
    jdouble CallNonvirtualDoubleMethodA(jobject obj, jclass clazz,
                                        jmethodID methodID,
                                        const jvalue * args) {
        return functions->CallNonvirtualDoubleMethodA(this,obj,clazz,
                                                      methodID,args);
    }

    void CallNonvirtualVoidMethod(jobject obj, jclass clazz,
                                  jmethodID methodID, ...) {
        va_list args;
        va_start(args,methodID);
        functions->CallNonvirtualVoidMethodV(this,obj,clazz,methodID,args);
        va_end(args);
    }
    void CallNonvirtualVoidMethodV(jobject obj, jclass clazz,
                                   jmethodID methodID,
                                   va_list args) {
        functions->CallNonvirtualVoidMethodV(this,obj,clazz,methodID,args);
    }
    void CallNonvirtualVoidMethodA(jobject obj, jclass clazz,
                                   jmethodID methodID,
                                   const jvalue * args) {
        functions->CallNonvirtualVoidMethodA(this,obj,clazz,methodID,args);
    }

    jfieldID GetFieldID(jclass clazz, const char *name,
                        const char *sig) {
        return functions->GetFieldID(this,clazz,name,sig);
    }

    jobject GetObjectField(jobject obj, jfieldID fieldID) {
        return functions->GetObjectField(this,obj,fieldID);
    }
    jboolean GetBooleanField(jobject obj, jfieldID fieldID) {
        return functions->GetBooleanField(this,obj,fieldID);
    }
    jbyte GetByteField(jobject obj, jfieldID fieldID) {
        return functions->GetByteField(this,obj,fieldID);
    }
    jchar GetCharField(jobject obj, jfieldID fieldID) {
        return functions->GetCharField(this,obj,fieldID);
    }
    jshort GetShortField(jobject obj, jfieldID fieldID) {
        return functions->GetShortField(this,obj,fieldID);
    }
    jint GetIntField(jobject obj, jfieldID fieldID) {
        return functions->GetIntField(this,obj,fieldID);
    }
    jlong GetLongField(jobject obj, jfieldID fieldID) {
        return functions->GetLongField(this,obj,fieldID);
    }
    jfloat GetFloatField(jobject obj, jfieldID fieldID) {
        return functions->GetFloatField(this,obj,fieldID);
    }
    jdouble GetDoubleField(jobject obj, jfieldID fieldID) {
        return functions->GetDoubleField(this,obj,fieldID);
    }

    void SetObjectField(jobject obj, jfieldID fieldID, jobject val) {
        functions->SetObjectField(this,obj,fieldID,val);
    }
    void SetBooleanField(jobject obj, jfieldID fieldID,
                         jboolean val) {
        functions->SetBooleanField(this,obj,fieldID,val);
    }
    void SetByteField(jobject obj, jfieldID fieldID,
                      jbyte val) {
        functions->SetByteField(this,obj,fieldID,val);
    }
    void SetCharField(jobject obj, jfieldID fieldID,
                      jchar val) {
        functions->SetCharField(this,obj,fieldID,val);
    }
    void SetShortField(jobject obj, jfieldID fieldID,
                       jshort val) {
        functions->SetShortField(this,obj,fieldID,val);
    }
    void SetIntField(jobject obj, jfieldID fieldID,
                     jint val) {
        functions->SetIntField(this,obj,fieldID,val);
    }
    void SetLongField(jobject obj, jfieldID fieldID,
                      jlong val) {
        functions->SetLongField(this,obj,fieldID,val);
    }
    void SetFloatField(jobject obj, jfieldID fieldID,
                       jfloat val) {
        functions->SetFloatField(this,obj,fieldID,val);
    }
    void SetDoubleField(jobject obj, jfieldID fieldID,
                        jdouble val) {
        functions->SetDoubleField(this,obj,fieldID,val);
    }

    jmethodID GetStaticMethodID(jclass clazz, const char *name,
                                const char *sig) {
        return functions->GetStaticMethodID(this,clazz,name,sig);
    }

    jobject CallStaticObjectMethod(jclass clazz, jmethodID methodID,
                             ...) {
        va_list args;
        jobject result;
        va_start(args,methodID);
        result = functions->CallStaticObjectMethodV(this,clazz,methodID,args);
        va_end(args);
        return result;
    }
    jobject CallStaticObjectMethodV(jclass clazz, jmethodID methodID,
                              va_list args) {
        return functions->CallStaticObjectMethodV(this,clazz,methodID,args);
    }
    jobject CallStaticObjectMethodA(jclass clazz, jmethodID methodID,
                              const jvalue *args) {
        return functions->CallStaticObjectMethodA(this,clazz,methodID,args);
    }

    jboolean CallStaticBooleanMethod(jclass clazz,
                                     jmethodID methodID, ...) {
        va_list args;
        jboolean result;
        va_start(args,methodID);
        result = functions->CallStaticBooleanMethodV(this,clazz,methodID,args);
        va_end(args);
        return result;
    }
    jboolean CallStaticBooleanMethodV(jclass clazz,
                                      jmethodID methodID, va_list args) {
        return functions->CallStaticBooleanMethodV(this,clazz,methodID,args);
    }
    jboolean CallStaticBooleanMethodA(jclass clazz,
                                      jmethodID methodID, const jvalue *args) {
        return functions->CallStaticBooleanMethodA(this,clazz,methodID,args);
    }

    jbyte CallStaticByteMethod(jclass clazz,
                               jmethodID methodID, ...) {
        va_list args;
        jbyte result;
        va_start(args,methodID);
        result = functions->CallStaticByteMethodV(this,clazz,methodID,args);
        va_end(args);
        return result;
    }
    jbyte CallStaticByteMethodV(jclass clazz,
                                jmethodID methodID, va_list args) {
        return functions->CallStaticByteMethodV(this,clazz,methodID,args);
    }
    jbyte CallStaticByteMethodA(jclass clazz,
                                jmethodID methodID, const jvalue *args) {
        return functions->CallStaticByteMethodA(this,clazz,methodID,args);
    }

    jchar CallStaticCharMethod(jclass clazz,
                               jmethodID methodID, ...) {
        va_list args;
        jchar result;
        va_start(args,methodID);
        result = functions->CallStaticCharMethodV(this,clazz,methodID,args);
        va_end(args);
        return result;
    }
    jchar CallStaticCharMethodV(jclass clazz,
                                jmethodID methodID, va_list args) {
        return functions->CallStaticCharMethodV(this,clazz,methodID,args);
    }
    jchar CallStaticCharMethodA(jclass clazz,
                                jmethodID methodID, const jvalue *args) {
        return functions->CallStaticCharMethodA(this,clazz,methodID,args);
    }

    jshort CallStaticShortMethod(jclass clazz,
                                 jmethodID methodID, ...) {
        va_list args;
        jshort result;
        va_start(args,methodID);
        result = functions->CallStaticShortMethodV(this,clazz,methodID,args);
        va_end(args);
        return result;
    }
    jshort CallStaticShortMethodV(jclass clazz,
                                  jmethodID methodID, va_list args) {
        return functions->CallStaticShortMethodV(this,clazz,methodID,args);
    }
    jshort CallStaticShortMethodA(jclass clazz,
                                  jmethodID methodID, const jvalue *args) {
        return functions->CallStaticShortMethodA(this,clazz,methodID,args);
    }

    jint CallStaticIntMethod(jclass clazz,
                             jmethodID methodID, ...) {
        va_list args;
        jint result;
        va_start(args,methodID);
        result = functions->CallStaticIntMethodV(this,clazz,methodID,args);
        va_end(args);
        return result;
    }
    jint CallStaticIntMethodV(jclass clazz,
                              jmethodID methodID, va_list args) {
        return functions->CallStaticIntMethodV(this,clazz,methodID,args);
    }
    jint CallStaticIntMethodA(jclass clazz,
                              jmethodID methodID, const jvalue *args) {
        return functions->CallStaticIntMethodA(this,clazz,methodID,args);
    }

    jlong CallStaticLongMethod(jclass clazz,
                               jmethodID methodID, ...) {
        va_list args;
        jlong result;
        va_start(args,methodID);
        result = functions->CallStaticLongMethodV(this,clazz,methodID,args);
        va_end(args);
        return result;
    }
    jlong CallStaticLongMethodV(jclass clazz,
                                jmethodID methodID, va_list args) {
        return functions->CallStaticLongMethodV(this,clazz,methodID,args);
    }
    jlong CallStaticLongMethodA(jclass clazz,
                                jmethodID methodID, const jvalue *args) {
        return functions->CallStaticLongMethodA(this,clazz,methodID,args);
    }

    jfloat CallStaticFloatMethod(jclass clazz,
                                 jmethodID methodID, ...) {
        va_list args;
        jfloat result;
        va_start(args,methodID);
        result = functions->CallStaticFloatMethodV(this,clazz,methodID,args);
        va_end(args);
        return result;
    }
    jfloat CallStaticFloatMethodV(jclass clazz,
                                  jmethodID methodID, va_list args) {
        return functions->CallStaticFloatMethodV(this,clazz,methodID,args);
    }
    jfloat CallStaticFloatMethodA(jclass clazz,
                                  jmethodID methodID, const jvalue *args) {
        return functions->CallStaticFloatMethodA(this,clazz,methodID,args);
    }

    jdouble CallStaticDoubleMethod(jclass clazz,
                                   jmethodID methodID, ...) {
        va_list args;
        jdouble result;
        va_start(args,methodID);
        result = functions->CallStaticDoubleMethodV(this,clazz,methodID,args);
        va_end(args);
        return result;
    }
    jdouble CallStaticDoubleMethodV(jclass clazz,
                                    jmethodID methodID, va_list args) {
        return functions->CallStaticDoubleMethodV(this,clazz,methodID,args);
    }
    jdouble CallStaticDoubleMethodA(jclass clazz,
                                    jmethodID methodID, const jvalue *args) {
        return functions->CallStaticDoubleMethodA(this,clazz,methodID,args);
    }

    void CallStaticVoidMethod(jclass cls, jmethodID methodID, ...) {
        va_list args;
        va_start(args,methodID);
        functions->CallStaticVoidMethodV(this,cls,methodID,args);
        va_end(args);
    }
    void CallStaticVoidMethodV(jclass cls, jmethodID methodID,
                               va_list args) {
        functions->CallStaticVoidMethodV(this,cls,methodID,args);
    }
    void CallStaticVoidMethodA(jclass cls, jmethodID methodID,
                               const jvalue * args) {
        functions->CallStaticVoidMethodA(this,cls,methodID,args);
    }

    jfieldID GetStaticFieldID(jclass clazz, const char *name,
                              const char *sig) {
        return functions->GetStaticFieldID(this,clazz,name,sig);
    }
    jobject GetStaticObjectField(jclass clazz, jfieldID fieldID) {
        return functions->GetStaticObjectField(this,clazz,fieldID);
    }
    jboolean GetStaticBooleanField(jclass clazz, jfieldID fieldID) {
        return functions->GetStaticBooleanField(this,clazz,fieldID);
    }
    jbyte GetStaticByteField(jclass clazz, jfieldID fieldID) {
        return functions->GetStaticByteField(this,clazz,fieldID);
    }
    jchar GetStaticCharField(jclass clazz, jfieldID fieldID) {
        return functions->GetStaticCharField(this,clazz,fieldID);
    }
    jshort GetStaticShortField(jclass clazz, jfieldID fieldID) {
        return functions->GetStaticShortField(this,clazz,fieldID);
    }
    jint GetStaticIntField(jclass clazz, jfieldID fieldID) {
        return functions->GetStaticIntField(this,clazz,fieldID);
    }
    jlong GetStaticLongField(jclass clazz, jfieldID fieldID) {
        return functions->GetStaticLongField(this,clazz,fieldID);
    }
    jfloat GetStaticFloatField(jclass clazz, jfieldID fieldID) {
        return functions->GetStaticFloatField(this,clazz,fieldID);
    }
    jdouble GetStaticDoubleField(jclass clazz, jfieldID fieldID) {
        return functions->GetStaticDoubleField(this,clazz,fieldID);
    }

    void SetStaticObjectField(jclass clazz, jfieldID fieldID,
                        jobject value) {
      functions->SetStaticObjectField(this,clazz,fieldID,value);
    }
    void SetStaticBooleanField(jclass clazz, jfieldID fieldID,
                        jboolean value) {
      functions->SetStaticBooleanField(this,clazz,fieldID,value);
    }
    void SetStaticByteField(jclass clazz, jfieldID fieldID,
                        jbyte value) {
      functions->SetStaticByteField(this,clazz,fieldID,value);
    }
    void SetStaticCharField(jclass clazz, jfieldID fieldID,
                        jchar value) {
      functions->SetStaticCharField(this,clazz,fieldID,value);
    }
    void SetStaticShortField(jclass clazz, jfieldID fieldID,
                        jshort value) {
      functions->SetStaticShortField(this,clazz,fieldID,value);
    }
    void SetStaticIntField(jclass clazz, jfieldID fieldID,
                        jint value) {
      functions->SetStaticIntField(this,clazz,fieldID,value);
    }
    void SetStaticLongField(jclass clazz, jfieldID fieldID,
                        jlong value) {
      functions->SetStaticLongField(this,clazz,fieldID,value);
    }
    void SetStaticFloatField(jclass clazz, jfieldID fieldID,
                        jfloat value) {
      functions->SetStaticFloatField(this,clazz,fieldID,value);
    }
    void SetStaticDoubleField(jclass clazz, jfieldID fieldID,
                        jdouble value) {
      functions->SetStaticDoubleField(this,clazz,fieldID,value);
    }

    jstring NewString(const jchar *unicode, jsize len) {
        return functions->NewString(this,unicode,len);
    }
    jsize GetStringLength(jstring str) {
        return functions->GetStringLength(this,str);
    }
    const jchar *GetStringChars(jstring str, jboolean *isCopy) {
        return functions->GetStringChars(this,str,isCopy);
    }
    void ReleaseStringChars(jstring str, const jchar *chars) {
        functions->ReleaseStringChars(this,str,chars);
    }

    jstring NewStringUTF(const char *utf) {
        return functions->NewStringUTF(this,utf);
    }
    jsize GetStringUTFLength(jstring str) {
        return functions->GetStringUTFLength(this,str);
    }
    const char* GetStringUTFChars(jstring str, jboolean *isCopy) {
        return functions->GetStringUTFChars(this,str,isCopy);
    }
    void ReleaseStringUTFChars(jstring str, const char* chars) {
        functions->ReleaseStringUTFChars(this,str,chars);
    }

    jsize GetArrayLength(jarray array) {
        return functions->GetArrayLength(this,array);
    }

    jobjectArray NewObjectArray(jsize len, jclass clazz,
                                jobject init) {
        return functions->NewObjectArray(this,len,clazz,init);
    }
    jobject GetObjectArrayElement(jobjectArray array, jsize index) {
        return functions->GetObjectArrayElement(this,array,index);
    }
    void SetObjectArrayElement(jobjectArray array, jsize index,
                               jobject val) {
        functions->SetObjectArrayElement(this,array,index,val);
    }

    jbooleanArray NewBooleanArray(jsize len) {
        return functions->NewBooleanArray(this,len);
    }
    jbyteArray NewByteArray(jsize len) {
        return functions->NewByteArray(this,len);
    }
    jcharArray NewCharArray(jsize len) {
        return functions->NewCharArray(this,len);
    }
    jshortArray NewShortArray(jsize len) {
        return functions->NewShortArray(this,len);
    }
    jintArray NewIntArray(jsize len) {
        return functions->NewIntArray(this,len);
    }
    jlongArray NewLongArray(jsize len) {
        return functions->NewLongArray(this,len);
    }
    jfloatArray NewFloatArray(jsize len) {
        return functions->NewFloatArray(this,len);
    }
    jdoubleArray NewDoubleArray(jsize len) {
        return functions->NewDoubleArray(this,len);
    }

    jboolean * GetBooleanArrayElements(jbooleanArray array, jboolean *isCopy) {
        return functions->GetBooleanArrayElements(this,array,isCopy);
    }
    jbyte * GetByteArrayElements(jbyteArray array, jboolean *isCopy) {
        return functions->GetByteArrayElements(this,array,isCopy);
    }
    jchar * GetCharArrayElements(jcharArray array, jboolean *isCopy) {
        return functions->GetCharArrayElements(this,array,isCopy);
    }
    jshort * GetShortArrayElements(jshortArray array, jboolean *isCopy) {
        return functions->GetShortArrayElements(this,array,isCopy);
    }
    jint * GetIntArrayElements(jintArray array, jboolean *isCopy) {
        return functions->GetIntArrayElements(this,array,isCopy);
    }
    jlong * GetLongArrayElements(jlongArray array, jboolean *isCopy) {
        return functions->GetLongArrayElements(this,array,isCopy);
    }
    jfloat * GetFloatArrayElements(jfloatArray array, jboolean *isCopy) {
        return functions->GetFloatArrayElements(this,array,isCopy);
    }
    jdouble * GetDoubleArrayElements(jdoubleArray array, jboolean *isCopy) {
        return functions->GetDoubleArrayElements(this,array,isCopy);
    }

    void ReleaseBooleanArrayElements(jbooleanArray array,
                                     jboolean *elems,
                                     jint mode) {
        functions->ReleaseBooleanArrayElements(this,array,elems,mode);
    }
    void ReleaseByteArrayElements(jbyteArray array,
                                  jbyte *elems,
                                  jint mode) {
        functions->ReleaseByteArrayElements(this,array,elems,mode);
    }
    void ReleaseCharArrayElements(jcharArray array,
                                  jchar *elems,
                                  jint mode) {
        functions->ReleaseCharArrayElements(this,array,elems,mode);
    }
    void ReleaseShortArrayElements(jshortArray array,
                                   jshort *elems,
                                   jint mode) {
        functions->ReleaseShortArrayElements(this,array,elems,mode);
    }
    void ReleaseIntArrayElements(jintArray array,
                                 jint *elems,
                                 jint mode) {
        functions->ReleaseIntArrayElements(this,array,elems,mode);
    }
    void ReleaseLongArrayElements(jlongArray array,
                                  jlong *elems,
                                  jint mode) {
        functions->ReleaseLongArrayElements(this,array,elems,mode);
    }
    void ReleaseFloatArrayElements(jfloatArray array,
                                   jfloat *elems,
                                   jint mode) {
        functions->ReleaseFloatArrayElements(this,array,elems,mode);
    }
    void ReleaseDoubleArrayElements(jdoubleArray array,
                                    jdouble *elems,
                                    jint mode) {
        functions->ReleaseDoubleArrayElements(this,array,elems,mode);
    }

    void GetBooleanArrayRegion(jbooleanArray array,
                               jsize start, jsize len, jboolean *buf) {
        functions->GetBooleanArrayRegion(this,array,start,len,buf);
    }
    void GetByteArrayRegion(jbyteArray array,
                            jsize start, jsize len, jbyte *buf) {
        functions->GetByteArrayRegion(this,array,start,len,buf);
    }
    void GetCharArrayRegion(jcharArray array,
                            jsize start, jsize len, jchar *buf) {
        functions->GetCharArrayRegion(this,array,start,len,buf);
    }
    void GetShortArrayRegion(jshortArray array,
                             jsize start, jsize len, jshort *buf) {
        functions->GetShortArrayRegion(this,array,start,len,buf);
    }
    void GetIntArrayRegion(jintArray array,
                           jsize start, jsize len, jint *buf) {
        functions->GetIntArrayRegion(this,array,start,len,buf);
    }
    void GetLongArrayRegion(jlongArray array,
                            jsize start, jsize len, jlong *buf) {
        functions->GetLongArrayRegion(this,array,start,len,buf);
    }
    void GetFloatArrayRegion(jfloatArray array,
                             jsize start, jsize len, jfloat *buf) {
        functions->GetFloatArrayRegion(this,array,start,len,buf);
    }
    void GetDoubleArrayRegion(jdoubleArray array,
                              jsize start, jsize len, jdouble *buf) {
        functions->GetDoubleArrayRegion(this,array,start,len,buf);
    }

    void SetBooleanArrayRegion(jbooleanArray array, jsize start, jsize len,
                               const jboolean *buf) {
        functions->SetBooleanArrayRegion(this,array,start,len,buf);
    }
    void SetByteArrayRegion(jbyteArray array, jsize start, jsize len,
                            const jbyte *buf) {
        functions->SetByteArrayRegion(this,array,start,len,buf);
    }
    void SetCharArrayRegion(jcharArray array, jsize start, jsize len,
                            const jchar *buf) {
        functions->SetCharArrayRegion(this,array,start,len,buf);
    }
    void SetShortArrayRegion(jshortArray array, jsize start, jsize len,
                             const jshort *buf) {
        functions->SetShortArrayRegion(this,array,start,len,buf);
    }
    void SetIntArrayRegion(jintArray array, jsize start, jsize len,
                           const jint *buf) {
        functions->SetIntArrayRegion(this,array,start,len,buf);
    }
    void SetLongArrayRegion(jlongArray array, jsize start, jsize len,
                            const jlong *buf) {
        functions->SetLongArrayRegion(this,array,start,len,buf);
    }
    void SetFloatArrayRegion(jfloatArray array, jsize start, jsize len,
                             const jfloat *buf) {
        functions->SetFloatArrayRegion(this,array,start,len,buf);
    }
    void SetDoubleArrayRegion(jdoubleArray array, jsize start, jsize len,
                              const jdouble *buf) {
        functions->SetDoubleArrayRegion(this,array,start,len,buf);
    }

    jint RegisterNatives(jclass clazz, const JNINativeMethod *methods,
                         jint nMethods) {
        return functions->RegisterNatives(this,clazz,methods,nMethods);
    }
    jint UnregisterNatives(jclass clazz) {
        return functions->UnregisterNatives(this,clazz);
    }

    jint MonitorEnter(jobject obj) {
        return functions->MonitorEnter(this,obj);
    }
    jint MonitorExit(jobject obj) {
        return functions->MonitorExit(this,obj);
    }

    jint GetJavaVM(JavaVM **vm) {
        return functions->GetJavaVM(this,vm);
    }

    void GetStringRegion(jstring str, jsize start, jsize len, jchar *buf) {
        functions->GetStringRegion(this,str,start,len,buf);
    }
    void GetStringUTFRegion(jstring str, jsize start, jsize len, char *buf) {
        functions->GetStringUTFRegion(this,str,start,len,buf);
    }

    void * GetPrimitiveArrayCritical(jarray array, jboolean *isCopy) {
        return functions->GetPrimitiveArrayCritical(this,array,isCopy);
    }
    void ReleasePrimitiveArrayCritical(jarray array, void *carray, jint mode) {
        functions->ReleasePrimitiveArrayCritical(this,array,carray,mode);
    }

    const jchar * GetStringCritical(jstring string, jboolean *isCopy) {
        return functions->GetStringCritical(this,string,isCopy);
    }
    void ReleaseStringCritical(jstring string, const jchar *cstring) {
        functions->ReleaseStringCritical(this,string,cstring);
    }

    jweak NewWeakGlobalRef(jobject obj) {
        return functions->NewWeakGlobalRef(this,obj);
    }
    void DeleteWeakGlobalRef(jweak ref) {
        functions->DeleteWeakGlobalRef(this,ref);
    }

    jboolean ExceptionCheck() {
        return functions->ExceptionCheck(this);
    }

    jobject NewDirectByteBuffer(void* address, jlong capacity) {
        return functions->NewDirectByteBuffer(this, address, capacity);
    }
    void* GetDirectBufferAddress(jobject buf) {
        return functions->GetDirectBufferAddress(this, buf);
    }
    jlong GetDirectBufferCapacity(jobject buf) {
        return functions->GetDirectBufferCapacity(this, buf);
    }
    jobjectRefType GetObjectRefType(jobject obj) {
        return functions->GetObjectRefType(this, obj);
    }

#endif /* __cplusplus */
};

typedef struct JavaVMOption {
    char *optionString;
    void *extraInfo;
} JavaVMOption;

typedef struct JavaVMInitArgs {
    jint version;

    jint nOptions;
    JavaVMOption *options;
    jboolean ignoreUnrecognized;
} JavaVMInitArgs;

typedef struct JavaVMAttachArgs {
    jint version;

    char *name;
    jobject group;
} JavaVMAttachArgs;

/* These will be VM-specific. */

#define JDK1_2
#define JDK1_4

/* End VM-specific. */

struct JNIInvokeInterface_ {
    void *reserved0;
    void *reserved1;
    void *reserved2;

    jint (JNICALL *DestroyJavaVM)(JavaVM *vm);

    jint (JNICALL *AttachCurrentThread)(JavaVM *vm, void **penv, void *args);

    jint (JNICALL *DetachCurrentThread)(JavaVM *vm);

    jint (JNICALL *GetEnv)(JavaVM *vm, void **penv, jint version);

    jint (JNICALL *AttachCurrentThreadAsDaemon)(JavaVM *vm, void **penv, void *args);
};

struct JavaVM_ {
    const struct JNIInvokeInterface_ *functions;
#ifdef __cplusplus

    jint DestroyJavaVM() {
        return functions->DestroyJavaVM(this);
    }
    jint AttachCurrentThread(void **penv, void *args) {
        return functions->AttachCurrentThread(this, penv, args);
    }
    jint DetachCurrentThread() {
        return functions->DetachCurrentThread(this);
    }

    jint GetEnv(void **penv, jint version) {
        return functions->GetEnv(this, penv, version);
    }
    jint AttachCurrentThreadAsDaemon(void **penv, void *args) {
        return functions->AttachCurrentThreadAsDaemon(this, penv, args);
    }
#endif
};

#ifdef _JNI_IMPLEMENTATION_
#define _JNI_IMPORT_OR_EXPORT_ JNIEXPORT
#else
#define _JNI_IMPORT_OR_EXPORT_ JNIIMPORT
#endif
_JNI_IMPORT_OR_EXPORT_ jint JNICALL
JNI_GetDefaultJavaVMInitArgs(void *args);

_JNI_IMPORT_OR_EXPORT_ jint JNICALL
JNI_CreateJavaVM(JavaVM **pvm, void **penv, void *args);

_JNI_IMPORT_OR_EXPORT_ jint JNICALL
JNI_GetCreatedJavaVMs(JavaVM **, jsize, jsize *);

/* Defined by native libraries. */
JNIEXPORT jint JNICALL
JNI_OnLoad(JavaVM *vm, void *reserved);

JNIEXPORT void JNICALL
JNI_OnUnload(JavaVM *vm, void *reserved);

#define JNI_VERSION_1_1 0x00010001
#define JNI_VERSION_1_2 0x00010002
#define JNI_VERSION_1_4 0x00010004
#define JNI_VERSION_1_6 0x00010006
#define JNI_VERSION_1_8 0x00010008

#ifdef __cplusplus
} /* extern "C" */
#endif /* __cplusplus */

#endif /* !_JAVASOFT_JNI_H_ */

Other Java examples (source code examples)

Here is a short list of links related to this Java jni.h source code file:

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