static jstring getCurrencyCodeNative(JNIEnv* env, jclass clazz, jstring key) {
UErrorCode status = U_ZERO_ERROR;
ScopedResourceBundle supplData(ures_openDirect(NULL, "supplementalData", &status));
if (U_FAILURE(status)) {
return NULL;
}
ScopedResourceBundle currencyMap(ures_getByKey(supplData.get(), "CurrencyMap", NULL, &status));
if (U_FAILURE(status)) {
return NULL;
}
const char* keyChars = env->GetStringUTFChars(key, NULL);
ScopedResourceBundle currency(ures_getByKey(currencyMap.get(), keyChars, NULL, &status));
env->ReleaseStringUTFChars(key, keyChars);
if (U_FAILURE(status)) {
return NULL;
}
ScopedResourceBundle currencyElem(ures_getByIndex(currency.get(), 0, NULL, &status));
if (U_FAILURE(status)) {
return env->NewStringUTF("None");
}
// check if there is a 'to' date. If there is, the currency isn't used anymore.
ScopedResourceBundle currencyTo(ures_getByKey(currencyElem.get(), "to", NULL, &status));
if (!U_FAILURE(status)) {
// return and let the caller throw an exception
return NULL;
}
// We need to reset 'status'. It works like errno in that ICU doesn't set it
// to U_ZERO_ERROR on success: it only touches it on error, and the test
// above means it now holds a failure code.
status = U_ZERO_ERROR;
ScopedResourceBundle currencyId(ures_getByKey(currencyElem.get(), "id", NULL, &status));
if (U_FAILURE(status)) {
// No id defined for this country
return env->NewStringUTF("None");
}
int length;
const jchar* id = ures_getString(currencyId.get(), &length, &status);
if (U_FAILURE(status) || length == 0) {
return env->NewStringUTF("None");
}
return env->NewString(id, length);
}
// TODO: rewrite this with int32_t ucurr_forLocale(const char* locale, UChar* buff, int32_t buffCapacity, UErrorCode* ec)...
static jstring ICU_getCurrencyCode(JNIEnv* env, jclass, jstring javaCountryCode) {
UErrorCode status = U_ZERO_ERROR;
ScopedResourceBundle supplData(ures_openDirect(U_ICUDATA_CURR, "supplementalData", &status));
if (U_FAILURE(status)) {
return NULL;
}
ScopedResourceBundle currencyMap(ures_getByKey(supplData.get(), "CurrencyMap", NULL, &status));
if (U_FAILURE(status)) {
return NULL;
}
ScopedUtfChars countryCode(env, javaCountryCode);
ScopedResourceBundle currency(ures_getByKey(currencyMap.get(), countryCode.c_str(), NULL, &status));
if (U_FAILURE(status)) {
return NULL;
}
ScopedResourceBundle currencyElem(ures_getByIndex(currency.get(), 0, NULL, &status));
if (U_FAILURE(status)) {
return env->NewStringUTF("XXX");
}
// Check if there's a 'to' date. If there is, the currency isn't used anymore.
ScopedResourceBundle currencyTo(ures_getByKey(currencyElem.get(), "to", NULL, &status));
if (!U_FAILURE(status)) {
return NULL;
}
// Ignore the failure to find a 'to' date.
status = U_ZERO_ERROR;
ScopedResourceBundle currencyId(ures_getByKey(currencyElem.get(), "id", NULL, &status));
if (U_FAILURE(status)) {
// No id defined for this country
return env->NewStringUTF("XXX");
}
int32_t charCount;
const jchar* chars = ures_getString(currencyId.get(), &charCount, &status);
return (charCount == 0) ? env->NewStringUTF("XXX") : env->NewString(chars, charCount);
}