java4cpp/src/main/resources/cpp_static_setfield.cpp at java4cpp-1.1 · wshackle/java4cpp · GitHub

25 lines (25 loc) · 1.33 KB

//%%% Lines beginning with "//%%%%" are template comments and removed from final output.

//%%% "%NAMESPACE%" will be replaced with namespace

//%%% "%HEADER%" will be replaced with header

//%%% "%HEADER_DEFINE%" will be replaced with defined value used to prevent multiple inclusion

//%%% "%CLASS_NAME%" will be replaced with className (not including package)

//%%% "%JNI_SIGNATURE% will be replaced with the JNI signature for the method.

//%%% "%METHOD_NAME% will be replaced with the actual methods arguments

//%%% "%METHOD_ARGS% will be replaced with the actual methods arguments

//%%% "%METHOD_ONFAIL% will be replaced with the code to execute on failure eg return -1

//%%% "%METHOD_CALL_TYPE% will be replaced with the type of Call<Type>Method needed.

//%%% "%METHOD_RETURN%" will be replaced with "return" or "" for void functions.

JNIEnv *env =getEnv();

static jclass cls = get%CLASS_NAME%Class();

%RETURN_VAR_DECLARE%

if (cls != NULL) {

static jfieldID fid = env->GetStaticFieldID(cls, "%FIELD_NAME%", "%JNI_SIGNATURE%");

if (NULL == fid) {

std::cerr << "Class %FULL_CLASS_NAME% has no field named %FIELD_NAME% with signature %JNI_SIGNATURE%." << std::endl;

%METHOD_ONFAIL%

} else {

env->SetStatic%METHOD_CALL_TYPE%Field( cls, fid %METHOD_ARGS% );

}

releaseEnv(env);

%METHOD_RETURN_GET%

Expand file tree