jni.h

jpcap是一个中间件

 * 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) {