boolean getTreatUnknownKeyAsError(Element element) {
JsonModel model = element.getAnnotation(JsonModel.class);
if (model == null) {
throw new IllegalArgumentException();
}
return model.treatUnknownKeyAsError();
}
String getElementKeyString(Element element) {
JsonKey key = element.getAnnotation(JsonKey.class);
JsonModel model = element.getEnclosingElement().getAnnotation(JsonModel.class);
String keyStr;
if (!"".equals(key.value())) {
keyStr = key.value();
} else if ("".equals(key.value()) && key.decamelize()) {
keyStr = decamelize(element.toString());
} else if ("".equals(key.value()) && model.decamelize()) {
keyStr = decamelize(element.toString());
} else {
keyStr = element.toString();
}
return keyStr;
}