Esempio n. 1
0
        public override bool GetNullable(ObjectMapper mapper, MemberAccessor member, out bool isSet)
        {
            // Check member [Nullable(true | false)]
            //
            NullableAttribute attr1 = member.GetAttribute <NullableAttribute>();

            if (attr1 != null)
            {
                isSet = true;
                return(attr1.IsNullable);
            }

            // Check member [NullValue(0)]
            //
            NullValueAttribute attr2 = member.GetAttribute <NullValueAttribute>();

            if (attr2 != null)
            {
                return(isSet = true);
            }

            // Check type [Nullable(true || false)]
            //
            attr1 = (NullableAttribute)TypeHelper.GetFirstAttribute(
                member.MemberInfo.DeclaringType, typeof(NullableAttribute));

            if (attr1 != null)
            {
                isSet = true;
                return(attr1.IsNullable);
            }

            // Check type [NullValues(typeof(int), 0)]
            //
            object[] attrs = member.GetTypeAttributes(typeof(NullValueAttribute));

            foreach (NullValueAttribute a in attrs)
            {
                if (a.Type == null && a.Value != null && a.Value.GetType() == member.Type ||
                    a.Type != null && a.Type == member.Type)
                {
                    return(isSet = true);
                }
            }

            if (member.Type.IsEnum)
            {
                return(isSet = mapper.MappingSchema.GetNullValue(member.Type) != null);
            }

            return(base.GetNullable(mapper, member, out isSet));
        }
Esempio n. 2
0
        public override object GetNullValue(ObjectMapper mapper, MemberAccessor member, out bool isSet)
        {
            // Check member [NullValue(0)]
            //
            NullValueAttribute attr = member.GetAttribute <NullValueAttribute>();

            if (attr != null)
            {
                isSet = true;
                return(CheckNullValue(attr.Value, member));
            }

            // Check type [NullValues(typeof(int), 0)]
            //
            object[] attrs = member.GetTypeAttributes(typeof(NullValueAttribute));

            foreach (NullValueAttribute a in attrs)
            {
                if (a.Type == null && a.Value != null && a.Value.GetType() == member.Type ||
                    a.Type != null && a.Type == member.Type)
                {
                    isSet = true;
                    return(CheckNullValue(a.Value, member));
                }
            }

            if (member.Type.IsEnum)
            {
                object value = CheckNullValue(mapper.MappingSchema.GetNullValue(member.Type), member);

                if (value != null)
                {
                    isSet = true;
                    return(value);
                }
            }

            isSet = false;
            return(null);
        }