Exemplo n.º 1
0
        private void SetObjectMember(JsonReader reader, object target, Type targetType, string memberName)
        {
            if (!reader.Read())
            {
                throw new JsonSerializationException(string.Format("Unexpected end when setting {0}'s value.", memberName));
            }

            MemberMappingCollection memberMappings = GetMemberMappings(targetType);
            Type   memberType;
            object value;

            // test if a member with memberName exists on the type
            // otherwise test if target is a dictionary and assign value with the key if it is
            if (memberMappings.Contains(memberName))
            {
                MemberMapping memberMapping = memberMappings[memberName];

                if (memberMapping.Ignored)
                {
                    return;
                }

                // ignore member if it is readonly
                if (!memberMapping.Writable)
                {
                    return;
                }

                // get the member's underlying type
                memberType = ReflectionUtils.GetMemberUnderlyingType(memberMapping.Member);

                value = GetObject(reader, memberType);

                if (_nullValueHandling == NullValueHandling.Ignore && value == null)
                {
                    return;
                }

                ReflectionUtils.SetMemberValue(memberMapping.Member, target, value);
            }
            else if (typeof(IDictionary).IsAssignableFrom(targetType))
            {
                // attempt to get the IDictionary's type
                memberType = ReflectionUtils.GetDictionaryValueType(targetType);
                value      = GetObject(reader, memberType);

                Type   keyType  = ReflectionUtils.GetDictionaryKeyType(targetType);
                object keyValue = EnsureType(memberName, keyType);

                ((IDictionary)target).Add(keyValue, value);
            }
            else
            {
                if (_missingMemberHandling == MissingMemberHandling.Error)
                {
                    throw new JsonSerializationException(string.Format("Could not find member '{0}' on object of type '{1}'", memberName, targetType.GetType().Name));
                }
            }
        }