C++ (Cpp) CHK_NUL_RET_NUL示例

示例#1

文件： JNIHelpers.cpp 项目： CCob/barchart-udt

// NOTE: only ipv4
jobject X_NewInetAddress(JNIEnv* env, jint address) {

    CHK_NUL_RET_NUL(env, "env");
    CHK_NUL_RET_NUL(jdk_clsInet4Address, "jdk_clsInet4Address");

    jobject objInetAddress = env->NewObject(jdk_clsInet4Address,
                                            jdk_clsInet4Address_initID);

    CHK_NUL_RET_NUL(objInetAddress, "objInetAddress");

    env->SetIntField(objInetAddress, ia_AddressID, address);

    return objInetAddress;

}

示例#2

文件： JNIHelpers.cpp 项目： CCob/barchart-udt

// NOTE: ipv4 only
jobject X_NewInetSocketAddress(JNIEnv* env, sockaddr* sockAddr) {

    CHK_NUL_RET_NUL(env, "env");
    CHK_NUL_RET_NUL(sockAddr, "sockAddr");

    sockaddr_in* sockAddrIn = (sockaddr_in*) sockAddr;
    jint address = ntohl(sockAddrIn->sin_addr.s_addr);
    jint port = ntohs(sockAddrIn->sin_port);

    jobject objInetAddress = X_NewInetAddress(env, address);
    CHK_NUL_RET_NUL(objInetAddress, "objInetAddress");

    jobject objInetSocketAddress = env->NewObject(jdk_clsInetSocketAddress,
                                   jdk_clsInetSocketAddress_initID, objInetAddress, port);

    CHK_NUL_RET_NUL(objInetSocketAddress, "objInetSocketAddress");

    return objInetSocketAddress;

}

示例#3

文件： JNIHelpers.cpp 项目： b-cuts/UDT

// NOTE: only ipv4
jobject X_NewInetAddress( //
		JNIEnv* env, //
		const jint address //
		) {

	CHK_NUL_RET_NUL(env, "env");

	char valArray[4];
	valArray[0] = (address & 0xFF000000) >> 24;
	valArray[1] = (address & 0x00FF0000) >> 16;
	valArray[2] = (address & 0x0000FF00) >> 8;
	valArray[3] = (address & 0x000000FF);

	const jbyteArray objArray = env->NewByteArray(4);

	env->SetByteArrayRegion(objArray, (jint) 0, (jint) 4, (jbyte*) valArray);

	const jobject objInetAddress = env->CallStaticObjectMethod(
			jdk_InetAddress, jdk_InetAddress_getByAddress, objArray);
	CHK_NUL_RET_NUL(objInetAddress, "objInetAddress");

	return objInetAddress;

}

示例#4

文件： JNIHelpers.cpp 项目： CCob/barchart-udt

// use native 64 bit long parameter
jobject X_NewLong(JNIEnv* env, int64_t value) {
    CHK_NUL_RET_NUL(env, "env");
    return env->NewObject(jdk_clsLong, jdk_clsLong_initID, (jlong) value);
}

示例#5

文件： JNIHelpers.cpp 项目： CCob/barchart-udt

// use native 32 bit int parameter
jobject X_NewInteger(JNIEnv *env, int value) {
    CHK_NUL_RET_NUL(env, "env");
    return env->NewObject(jdk_clsInteger, jdk_clsInteger_initID, (jint) value);
}

示例#6

文件： JNIHelpers.cpp 项目： CCob/barchart-udt

// use native bool parameter
jobject X_NewBoolean(JNIEnv *env, bool value) {
    CHK_NUL_RET_NUL(env, "env");
    return env->NewObject(jdk_clsBoolean, jdk_clsBoolean_initID, BOOLEAN(value));
}