private static Attribute?GetAttributeThatCanHaveMultiple(Type attributeType, Type classType, MemberInfo?memberInfo, object[] attributes)
{
if (attributes.Length == 0)
{
return(null);
}
if (attributes.Length == 1)
{
return((Attribute)attributes[0]);
}
ThrowHelper.ThrowInvalidOperationException_SerializationDuplicateAttribute(attributeType, classType, memberInfo);
return(default);
private JsonPropertyInfo GetPropertyThatHasAttribute(Type attributeType)
{
Debug.Assert(_propertyRefs != null);
JsonPropertyInfo property = null;
for (int iProperty = 0; iProperty < _propertyRefs.Count; iProperty++)
{
PropertyRef propertyRef = _propertyRefs[iProperty];
JsonPropertyInfo jsonPropertyInfo = propertyRef.Info;
Attribute attribute = jsonPropertyInfo.PropertyInfo.GetCustomAttribute(attributeType);
if (attribute != null)
{
if (property != null)
{
ThrowHelper.ThrowInvalidOperationException_SerializationDuplicateAttribute(attributeType);
}
property = jsonPropertyInfo;
}
}
return(property);
}
