/// <summary>
/// Gets the source converters defined by the specified attribute set.
/// </summary>
/// <param name="property">Property information</param>
/// <param name="attrSet">Attribute set</param>
/// <returns>List of source converters</returns>
private static List <ISourceConverter> GetSourceConverters(PropertyInfo property, AttributeSet attrSet)
{
var sourceConvertersAttrs = attrSet.All <SourceConverterAttribute>();
var sourceConverters = new List <ISourceConverter>();
foreach (var attr in sourceConvertersAttrs)
{
if (attr.SourceType == null || attr.ConverterType == null)
{
throw new NullReferenceException(
"The Source and ConverterType properties of SourceConverterAttribute cannot be null.");
}
if (!typeof(ISourceConverter).IsAssignableFrom(attr.ConverterType))
{
throw new InvalidCastException(
$"{attr.ConverterType} cannot be used as the value for the ConverterType property " +
"of SourceConverterAttribute, because it cannot be cast to IDataConverter.");
}
var converter = (ISourceConverter)Activator.CreateInstance(attr.ConverterType);
if (!property.PropertyType.IsAssignableFrom(converter.GetClrType()))
{
throw new InvalidCastException(
$"The {attr.ConverterType} converter does not support conversion to type {property.PropertyType}.");
}
sourceConverters.Add(converter);
}
return(sourceConverters);
}
