/// <summary>
/// Serializes the value using XML and stores it in the extension object.
/// </summary>
public ExtensionObject(ExpandedNodeId typeId, object value)
{
TypeId = typeId;
StringBuilder buffer = new StringBuilder();
using (XmlWriter writer = XmlWriter.Create(buffer))
{
DataContractSerializer serializer = new DataContractSerializer(value.GetType());
serializer.WriteObject(writer, value);
}
XmlDocument document = new XmlDocument();
document.InnerXml = buffer.ToString();
ExtensionObjectBody body = new ExtensionObjectBody();
body.Nodes = new XmlNode[] { document.DocumentElement };
Body = body;
}
/// <summary>
/// Serializes the value using XML and stores it in the extension object.
/// </summary>
public ExtensionObject(ExpandedNodeId typeId, object value)
{
TypeId = typeId;
StringBuilder buffer = new StringBuilder();
using (XmlWriter writer = XmlWriter.Create(buffer))
{
DataContractSerializer serializer = new DataContractSerializer(value.GetType());
serializer.WriteObject(writer, value);
}
XmlDocument document = new XmlDocument();
document.InnerXml = buffer.ToString();
ExtensionObjectBody body = new ExtensionObjectBody();
body.Nodes = new XmlNode[] { document.DocumentElement };
Body = body;
}
/// <summary>
/// Parses an XML element and returns the value contained in it.
/// </summary>
private object ToObject(XmlElement element)
{
switch (element.Name)
{
case "Byte":
{
return(XmlConvert.ToByte(element.InnerText));
}
case "SByte":
{
return(XmlConvert.ToSByte(element.InnerText));
}
case "Int16":
{
return(XmlConvert.ToInt16(element.InnerText));
}
case "UInt16":
{
return(XmlConvert.ToUInt16(element.InnerText));
}
case "Int32":
{
return(XmlConvert.ToInt32(element.InnerText));
}
case "UInt32":
{
return(XmlConvert.ToUInt32(element.InnerText));
}
case "Int64":
{
return(XmlConvert.ToInt64(element.InnerText));
}
case "UInt64":
{
return(XmlConvert.ToUInt64(element.InnerText));
}
case "Single":
{
return(XmlConvert.ToSingle(element.InnerText));
}
case "Double":
{
return(XmlConvert.ToDouble(element.InnerText));
}
case "String":
{
return(element.InnerText);
}
case "DateTime":
{
return(XmlConvert.ToDateTime(element.InnerText, XmlDateTimeSerializationMode.Utc));
}
case "NodeId":
{
XmlNode child = element.FirstChild;
string id = null;
if (GetValue(element, ref child, "Identifier", out id))
{
return(new NodeId(id));
}
break;
}
case "ExpandedNodeId":
{
XmlNode child = element.FirstChild;
string id = null;
if (GetValue(element, ref child, "Identifier", out id))
{
return(new NodeId(id));
}
break;
}
case "QualifiedName":
{
QualifiedName value = new QualifiedName();
XmlNode child = element.FirstChild;
string namespaceIndex = null;
if (GetValue(element, ref child, "NamespaceIndex", out namespaceIndex))
{
value.NamespaceIndex = XmlConvert.ToUInt16(namespaceIndex);
}
string name = null;
if (GetValue(element, ref child, "Name", out name))
{
value.Name = name;
}
return(value);
}
case "LocalizedText":
{
LocalizedText value = new LocalizedText();
XmlNode child = element.FirstChild;
string locale = null;
if (GetValue(element, ref child, "Locale", out locale))
{
value.Locale = locale;
}
string text = null;
if (GetValue(element, ref child, "Text", out text))
{
value.Text = text;
}
return(value);
}
case "StatusCode":
{
StatusCode value = new StatusCode();
XmlNode child = element.FirstChild;
string code = null;
if (GetValue(element, ref child, "Code", out code))
{
value.Code = XmlConvert.ToUInt32(code);;
}
return(value);
}
case "ExtensionObject":
{
ExtensionObject value = new ExtensionObject();
XmlNode child = element.FirstChild;
string typeId = null;
if (GetValue(element, ref child, "TypeId", out typeId))
{
value.TypeId = new ExpandedNodeId(typeId);
}
for (XmlNode node = child; node != null; node = node.NextSibling)
{
XmlElement element2 = child as XmlElement;
if (element2 != null)
{
if (element2.Name == "Body")
{
ExtensionObjectBody body = new ExtensionObjectBody();
body.Nodes = new XmlNode[] { GetFirstElement(element2) };
value.Body = body;
}
break;
}
}
return(value);
}
}
return(null);
}
/// <summary>
/// Parses an XML element and returns the value contained in it.
/// </summary>
private object ToObject(XmlElement element)
{
switch (element.Name)
{
case "Byte":
{
return XmlConvert.ToByte(element.InnerText);
}
case "SByte":
{
return XmlConvert.ToSByte(element.InnerText);
}
case "Int16":
{
return XmlConvert.ToInt16(element.InnerText);
}
case "UInt16":
{
return XmlConvert.ToUInt16(element.InnerText);
}
case "Int32":
{
return XmlConvert.ToInt32(element.InnerText);
}
case "UInt32":
{
return XmlConvert.ToUInt32(element.InnerText);
}
case "Int64":
{
return XmlConvert.ToInt64(element.InnerText);
}
case "UInt64":
{
return XmlConvert.ToUInt64(element.InnerText);
}
case "Single":
{
return XmlConvert.ToSingle(element.InnerText);
}
case "Double":
{
return XmlConvert.ToDouble(element.InnerText);
}
case "String":
{
return element.InnerText;
}
case "DateTime":
{
return XmlConvert.ToDateTime(element.InnerText, XmlDateTimeSerializationMode.Utc);
}
case "NodeId":
{
XmlNode child = element.FirstChild;
string id = null;
if (GetValue(element, ref child, "Identifier", out id))
{
return new NodeId(id);
}
break;
}
case "ExpandedNodeId":
{
XmlNode child = element.FirstChild;
string id = null;
if (GetValue(element, ref child, "Identifier", out id))
{
return new NodeId(id);
}
break;
}
case "QualifiedName":
{
QualifiedName value = new QualifiedName();
XmlNode child = element.FirstChild;
string namespaceIndex = null;
if (GetValue(element, ref child, "NamespaceIndex", out namespaceIndex))
{
value.NamespaceIndex = XmlConvert.ToUInt16(namespaceIndex);
}
string name = null;
if (GetValue(element, ref child, "Name", out name))
{
value.Name = name;
}
return value;
}
case "LocalizedText":
{
LocalizedText value = new LocalizedText();
XmlNode child = element.FirstChild;
string locale = null;
if (GetValue(element, ref child, "Locale", out locale))
{
value.Locale = locale;
}
string text = null;
if (GetValue(element, ref child, "Text", out text))
{
value.Text = text;
}
return value;
}
case "StatusCode":
{
StatusCode value = new StatusCode();
XmlNode child = element.FirstChild;
string code = null;
if (GetValue(element, ref child, "Code", out code))
{
value.Code = XmlConvert.ToUInt32(code); ;
}
return value;
}
case "ExtensionObject":
{
ExtensionObject value = new ExtensionObject();
XmlNode child = element.FirstChild;
string typeId = null;
if (GetValue(element, ref child, "TypeId", out typeId))
{
value.TypeId = new ExpandedNodeId(typeId);
}
for (XmlNode node = child; node != null; node = node.NextSibling)
{
XmlElement element2 = child as XmlElement;
if (element2 != null)
{
if (element2.Name == "Body")
{
ExtensionObjectBody body = new ExtensionObjectBody();
body.Nodes = new XmlNode[] { GetFirstElement(element2) };
value.Body = body;
}
break;
}
}
return value;
}
}
return null;
}
