java4cpp/src/main/resources/cpp_method.cpp at java4cpp-1.2 · wshackle/java4cpp · GitHub

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//%%% 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.

if(jthis == NULL) {

std::cerr << __FILE__ << ":" << __LINE__ <<" Call of method %METHOD_NAME% of %FULL_CLASS_NAME% with jthis == NULL." << std::endl;

%METHOD_ONFAIL%

}

JNIEnv *env =getEnv();

jclass cls = env->GetObjectClass(jthis);

if(GetDebugJ4Cpp()) DebugPrintJObject(__FILE__,__LINE__," %CLASS_NAME%::%METHOD_NAME% jthis=",jthis);

%RETURN_VAR_DECLARE%

if (cls != NULL) {

static jmethodID mid = env->GetMethodID(cls, "%JAVA_METHOD_NAME%", "%JNI_SIGNATURE%");

if (NULL == mid) {

DebugPrintJObject(__FILE__,__LINE__," %CLASS_NAME%::%METHOD_NAME% jthis=",jthis);

std::cerr << __FILE__ << ":" << __LINE__ << " Class %FULL_CLASS_NAME% has no method named %JAVA_METHOD_NAME% with signature %JNI_SIGNATURE%." << std::endl;

%METHOD_ONFAIL%

} else {

%METHOD_RETURN_STORE% env->Call%METHOD_CALL_TYPE%Method(jthis, mid %METHOD_ARGS% );

jthrowable t = env->ExceptionOccurred();

if(t != NULL) {

if(GetDebugJ4Cpp()) {

DebugPrintJObject(__FILE__,__LINE__," %CLASS_NAME%::%METHOD_NAME% jthrowable t=",t);

env->ExceptionDescribe();

}

// env->ExceptionClear();

throw t;

}

releaseEnv(env);

%METHOD_RETURN_GET%

java4cpp/src/main/resources/cpp_method.cpp at java4cpp-1.2 · wshackle/java4cpp · GitHub

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