private static Type GetAssociateMetadataTypeFromAttribute(Type type)
{
Attribute[] customAttributes = ReflectionUtils.GetAttributes(type, null, true);
foreach (Attribute attribute in customAttributes)
{
Type attributeType = attribute.GetType();
// only test on attribute type name
// attribute assembly could change because of type forwarding, etc
if (string.Equals(attributeType.FullName, "System.ComponentModel.DataAnnotations.MetadataTypeAttribute", StringComparison.Ordinal))
{
const string metadataClassTypeName = "MetadataClassType";
if (_metadataTypeAttributeReflectionObject == null)
{
_metadataTypeAttributeReflectionObject = ReflectionObject.Create(attributeType, metadataClassTypeName);
}
return((Type)_metadataTypeAttributeReflectionObject.GetValue(attribute, metadataClassTypeName));
}
}
return(null);
}
public static ReflectionObject Create(Type t, MethodBase creator, params string[] memberNames)
{
ReflectionDelegateFactory delegateFactory = JsonTypeReflector.ReflectionDelegateFactory;
ObjectConstructor <object> creatorConstructor = null;
if (creator != null)
{
creatorConstructor = delegateFactory.CreateParameterizedConstructor(creator);
}
else
{
if (ReflectionUtils.HasDefaultConstructor(t, false))
{
Func <object> ctor = delegateFactory.CreateDefaultConstructor <object>(t);
creatorConstructor = args => ctor();
}
}
ReflectionObject d = new ReflectionObject(creatorConstructor);
foreach (string memberName in memberNames)
{
MemberInfo[] members = t.GetMember(memberName, BindingFlags.Instance | BindingFlags.Public);
if (members.Length != 1)
{
throw new ArgumentException("Expected a single member with the name '{0}'.".FormatWith(CultureInfo.InvariantCulture, memberName));
}
MemberInfo member = members.Single();
ReflectionMember reflectionMember = new ReflectionMember();
switch (member.MemberType())
{
case MemberTypes.Field:
case MemberTypes.Property:
if (ReflectionUtils.CanReadMemberValue(member, false))
{
reflectionMember.Getter = delegateFactory.CreateGet <object>(member);
}
if (ReflectionUtils.CanSetMemberValue(member, false, false))
{
reflectionMember.Setter = delegateFactory.CreateSet <object>(member);
}
break;
case MemberTypes.Method:
MethodInfo method = (MethodInfo)member;
if (method.IsPublic)
{
ParameterInfo[] parameters = method.GetParameters();
if (parameters.Length == 0 && method.ReturnType != typeof(void))
{
MethodCall <object, object> call = delegateFactory.CreateMethodCall <object>(method);
reflectionMember.Getter = target => call(target);
}
else if (parameters.Length == 1 && method.ReturnType == typeof(void))
{
MethodCall <object, object> call = delegateFactory.CreateMethodCall <object>(method);
reflectionMember.Setter = (target, arg) => call(target, arg);
}
}
break;
default:
throw new ArgumentException("Unexpected member type '{0}' for member '{1}'.".FormatWith(CultureInfo.InvariantCulture, member.MemberType(), member.Name));
}
if (ReflectionUtils.CanReadMemberValue(member, false))
{
reflectionMember.Getter = delegateFactory.CreateGet <object>(member);
}
if (ReflectionUtils.CanSetMemberValue(member, false, false))
{
reflectionMember.Setter = delegateFactory.CreateSet <object>(member);
}
reflectionMember.MemberType = ReflectionUtils.GetMemberUnderlyingType(member);
d.Members[memberName] = reflectionMember;
}
return(d);
}