public static bool TryCollectValidationDetails(Type itemType, out PropertyValidatorCollection typeAttributeCollection)
{
if (itemType == null)
{
throw new ArgumentNullException(nameof(itemType));
}
typeAttributeCollection = null;
// Collect the validation interfaces from the type.
var validationInterfaces = itemType.GetInterfaces()
.Where(t => t.GetCustomAttributes(typeof(ValidationContractAttribute), true).Count() == 1)
.Union(new[] { itemType });
foreach (Type validationType in validationInterfaces)
{
PropertyInfo[] properties = validationType.GetProperties();
// Walk through the properties for the object.
foreach (PropertyInfo property in properties)
{
var attributes = property.GetCustomAttributes(typeof(PropertyValidatorAttribute), true).Cast <PropertyValidatorAttribute>();
// If the property has an attribute associated then
foreach (PropertyValidatorAttribute attribute in attributes)
{
// Associate the attribute with the property info.
attribute.Configure(property);
if (typeAttributeCollection == null)
{
typeAttributeCollection = new PropertyValidatorCollection();
}
typeAttributeCollection.AddPropertyValidator(attribute);
}
}
}
return(typeAttributeCollection != null);
}
public static PropertyValidatorCollection CreatePropertyValidator(this Type type)
{
return(PropertyValidatorCollection.CollectFrom(type));
}
public static bool TryCollectValidationDetails <T>(out PropertyValidatorCollection typeAttributeCollection)
{
return(TryCollectValidationDetails(typeof(T), out typeAttributeCollection));
}