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>(PropertyInfo propertyInfo, out IHeaderInitializer <TMessage, TInput> initializer)
{
var propertyName = propertyInfo?.Name ?? throw new ArgumentNullException(nameof(propertyInfo));
// headers use a double underscore prefix
var key = new StringBuilder(propertyName.Length + 2).Append("__").Append(propertyName).ToString();
if (typeof(TValue) == typeof(TProperty))
{
initializer = new DictionaryCopyHeaderInitializer <TMessage, TInput, TValue>(propertyInfo, key);
return(true);
}
if (_providerFactory.TryGetPropertyConverter(out IPropertyConverter <TProperty, TValue> converter))
{
var providerType = typeof(InputDictionaryPropertyProvider <,>).MakeGenericType(typeof(TInput), typeof(TValue));
var provider = (IPropertyProvider <TInput, TValue>)Activator.CreateInstance(providerType, propertyName);
var convertProvider = new PropertyConverterPropertyProvider <TInput, TProperty, TValue>(converter, provider);
initializer = new ProviderHeaderInitializer <TMessage, TInput, TProperty>(convertProvider, propertyInfo);
return(true);
}
initializer = default;
return(false);
}
