Opc.Ua.Com.Server.ComNamespaceMapper.ConvertRemoteToLocal C# (CSharp) Méthode

        private object ConvertRemoteToLocal(object srcValue, BuiltInType srcType, BuiltInType dstType)
        {
            // check for null.
            if (srcValue == null)
            {
                return null;
            }

            // must determine the type from the source if the containing array is a variant.
            if (srcType == BuiltInType.Variant)
            {
                TypeInfo typeInfo = TypeInfo.Construct(srcValue);
                srcType = typeInfo.BuiltInType;

                if (typeInfo.ValueRank != ValueRanks.Scalar)
                {
                    return TypeInfo.CastArray((Array)srcValue, srcType, BuiltInType.Null, ConvertRemoteToLocal);
                }
            }

            // no conversion by default.
            object dstValue = srcValue;

            // apply different conversions depending on the data type.
            switch (srcType)
            {
                case BuiltInType.Guid:
                {
                    dstValue = ((Uuid)srcValue).ToString();
                    break;
                }

                case BuiltInType.XmlElement:
                {
                    dstValue = ((XmlElement)srcValue).OuterXml;
                    break;
                }

                case BuiltInType.NodeId:
                {
                    dstValue = GetLocalItemId((NodeId)srcValue);
                    break;
                }

                case BuiltInType.ExpandedNodeId:
                {
                    ExpandedNodeId nodeId = GetLocaleExpandedNodeId((ExpandedNodeId)srcValue);
                    dstValue = nodeId.ToString();
                    break;
                }

                case BuiltInType.QualifiedName:
                {
                    dstValue = GetLocalBrowseName((QualifiedName)srcValue);
                    break;
                }

                case BuiltInType.LocalizedText:
                {
                    dstValue = ((LocalizedText)srcValue).Text;
                    break;
                }

                case BuiltInType.StatusCode:
                {
                    dstValue = ((StatusCode)srcValue).Code;
                    break;
                }

                case BuiltInType.ExtensionObject:
                {
                    BinaryEncoder encoder = new BinaryEncoder(m_localMessageContext);
                    encoder.WriteExtensionObject(null, (ExtensionObject)srcValue);
                    dstValue = encoder.CloseAndReturnBuffer();
                    break;
                }

                case BuiltInType.Variant:
                {
                    dstValue = ((Variant)srcValue).Value;
                    break;
                }

                default:
                {
                    if (dstType != srcType && dstType != BuiltInType.Variant && dstType != BuiltInType.Null)
                    {
                        throw ComUtils.CreateComException(ResultIds.E_BADTYPE);
                    }

                    break;
                }
            }

            // all done.
            return dstValue;
        }