public bool TryGetHeaderInitializer <TProperty>(PropertyInfo propertyInfo, out IHeaderInitializer <TMessage, TInput> initializer)
{
var propertyName = propertyInfo?.Name ?? throw new ArgumentNullException(nameof(propertyInfo));
// headers use a double underscore prefix
string inputPropertyName = new StringBuilder(propertyName.Length + 2).Append("__").Append(propertyName).ToString();
if (_inputProperties.TryGetValue(inputPropertyName, out var inputPropertyInfo))
{
var propertyType = typeof(TProperty);
var inputPropertyType = inputPropertyInfo.PropertyType;
// exactly the same type, we just copy it over unmodified
if (inputPropertyType == propertyType)
{
initializer = new CopyHeaderInitializer <TMessage, TInput, TProperty>(propertyInfo, inputPropertyInfo);
return(true);
}
if (_providerFactory.TryGetPropertyProvider(inputPropertyInfo, out IPropertyProvider <TInput, TProperty> provider))
{
initializer = new ProviderHeaderInitializer <TMessage, TInput, TProperty>(provider, propertyInfo);
return(true);
}
}
initializer = default;
return(false);
}
public bool TryGetHeaderInitializer <TProperty>(string propertyName, out IHeaderInitializer <TMessage, TInput> initializer)
{
// headers use a double underscore prefix
string inputPropertyName = new StringBuilder(propertyName.Length + 2).Append("__").Append(propertyName).ToString();
var inputPropertyInfo = typeof(TInput).GetProperty(inputPropertyName);
if (inputPropertyInfo != null)
{
var propertyType = typeof(TProperty);
var inputPropertyType = inputPropertyInfo.PropertyType;
// exactly the same type, we just copy it over unmodified
if (inputPropertyType == propertyType)
{
initializer = new CopyHeaderInitializer <TMessage, TInput, TProperty>(propertyName, inputPropertyName);
return(true);
}
if (PropertyInitializerCache.TryGetFactory <TProperty>(inputPropertyType, out var propertyConverter))
{
initializer = propertyConverter.CreateHeaderInitializer <TMessage, TInput>(propertyName, inputPropertyName);
return(true);
}
}
initializer = default;
return(false);
}