/// <summary>
/// Deserializes an XML-RPC response from a <see cref="System.Xml.XmlReader"/>.
/// </summary>
/// <param name="reader">the <see cref="System.Xml.XmlReader"/> to read</param>
/// <param name="config">the context configuration</param>
/// <param name="typeSerializerFactory">the <see cref="LX.EasyWeb.XmlRpc.Serializer.ITypeSerializerFactory"/> to get type serializers</param>
/// <returns>a <see cref="LX.EasyWeb.XmlRpc.IXmlRpcResponse"/> read from the reader</returns>
/// <exception cref="System.Xml.XmlException">failed parsing the response XML</exception>
public IXmlRpcResponse ReadResponse(XmlReader reader, IXmlRpcStreamConfig config, ITypeSerializerFactory typeSerializerFactory)
{
IXmlRpcResponse response = null;
do
{
reader.Read();
if (reader.NodeType == XmlNodeType.Element)
{
if (!String.IsNullOrEmpty(reader.NamespaceURI) || !XmlRpcSpec.METHOD_RESPONSE_TAG.Equals(reader.LocalName))
{
throw new XmlException("Expected root element methodResponse, got " + new XmlQualifiedName(reader.LocalName, reader.NamespaceURI));
}
RecursiveTypeSerializer.ReadToElement(reader);
if (String.IsNullOrEmpty(reader.NamespaceURI) && XmlRpcSpec.FAULT_TAG.Equals(reader.LocalName))
{
response = ReadFaultResponse(reader, config, typeSerializerFactory);
}
else if (String.IsNullOrEmpty(reader.NamespaceURI) && XmlRpcSpec.PARAMS_TAG.Equals(reader.LocalName))
{
response = ReadParamReponse(reader, config, typeSerializerFactory);
}
}
} while (!reader.EOF && (reader.NodeType != XmlNodeType.EndElement || !XmlRpcSpec.METHOD_RESPONSE_TAG.Equals(reader.LocalName)));
if (response == null)
{
throw new XmlRpcException("Invalid XML-RPC response.");
}
return(response);
}
private static IXmlRpcResponse ReadParamReponse(XmlReader reader, IXmlRpcStreamConfig config, ITypeSerializerFactory typeSerializerFactory)
{
IList list = RecursiveTypeSerializer.ReadParams(reader, config, typeSerializerFactory);
XmlRpcResponse response = new XmlRpcResponse(list.Count > 0 ? list[0] : null);
return(response);
}
/// <summary>
/// Serializes an XML-RPC request to a <see cref="System.Xml.XmlWriter"/>.
/// </summary>
/// <param name="writer">the <see cref="System.Xml.XmlWriter"/> to write</param>
/// <param name="request">the <see cref="LX.EasyWeb.XmlRpc.IXmlRpcRequest"/> to serialize</param>
/// <param name="config">the context configuration</param>
/// <param name="typeSerializerFactory">the <see cref="LX.EasyWeb.XmlRpc.Serializer.ITypeSerializerFactory"/> to get type serializers</param>
/// <exception cref="System.Xml.XmlException">failed writing the request XML</exception>
public void WriteRequest(XmlWriter writer, IXmlRpcRequest request, IXmlRpcStreamConfig config, ITypeSerializerFactory typeSerializerFactory)
{
writer.WriteStartDocument();
writer.WriteStartElement(XmlRpcSpec.METHOD_CALL_TAG);
writer.WriteElementString(XmlRpcSpec.METHOD_NAME_TAG, request.MethodName);
RecursiveTypeSerializer.WriteParams(writer, config, typeSerializerFactory, request.Parameters);
writer.WriteEndElement();
writer.WriteEndDocument();
}
/// <summary>
/// Serializes an XML-RPC response to a <see cref="System.Xml.XmlWriter"/>.
/// </summary>
/// <param name="writer">the <see cref="System.Xml.XmlWriter"/> to write</param>
/// <param name="response">the <see cref="LX.EasyWeb.XmlRpc.IXmlRpcResponse"/> to serialize</param>
/// <param name="config">the context configuration</param>
/// <param name="typeSerializerFactory">the <see cref="LX.EasyWeb.XmlRpc.Serializer.ITypeSerializerFactory"/> to get type serializers</param>
/// <exception cref="System.Xml.XmlException">failed writing the response XML</exception>
public void WriteResponse(XmlWriter writer, IXmlRpcResponse response, IXmlRpcStreamRequestConfig config, ITypeSerializerFactory typeSerializerFactory)
{
writer.WriteStartDocument();
writer.WriteStartElement(XmlRpcSpec.METHOD_RESPONSE_TAG);
if (response.Fault == null)
{
RecursiveTypeSerializer.WriteParams(writer, config, typeSerializerFactory, response.Result);
}
else
{
WriteFaultResponse(writer, response.Fault, config, typeSerializerFactory);
}
writer.WriteEndElement();
writer.WriteEndDocument();
}
private static void WriteFaultResponse(XmlWriter writer, IXmlRpcFault fault, IXmlRpcStreamRequestConfig config, ITypeSerializerFactory typeSerializerFactory)
{
writer.WriteStartElement(XmlRpcSpec.FAULT_TAG);
ArrayList nestvedObjs = new ArrayList();
if (config != null && config.EnabledForExceptions)
{
Hashtable ht = new Hashtable(3);
XmlRpcFault xpf = fault as XmlRpcFault;
ht.Add(XmlRpcSpec.FAULT_CODE_TAG, fault.FaultCode);
ht.Add(XmlRpcSpec.FAULT_STRING_TAG, fault.FaultString);
ht.Add("faultCause", fault is XmlRpcFault ? ((XmlRpcFault)fault).Exception : null);
RecursiveTypeSerializer.WriteValue(writer, ht, config, typeSerializerFactory, nestvedObjs);
}
else
{
RecursiveTypeSerializer.WriteValue(writer, fault, config, typeSerializerFactory, nestvedObjs);
}
writer.WriteEndElement();
}
private static IXmlRpcResponse ReadFaultResponse(XmlReader reader, IXmlRpcStreamConfig config, ITypeSerializerFactory typeSerializerFactory)
{
IDictionary dict = null;
do
{
reader.Read();
if (reader.NodeType == XmlNodeType.Element)
{
dict = (IDictionary)RecursiveTypeSerializer.ReadValue(reader, config, typeSerializerFactory);
}
} while (reader.NodeType != XmlNodeType.EndElement || !XmlRpcSpec.FAULT_TAG.Equals(reader.LocalName));
if (dict != null)
{
if (!dict.Contains(XmlRpcSpec.FAULT_CODE_TAG))
{
throw new XmlRpcException("Invalid XML-RPC response: missing fault code");
}
if (!dict.Contains(XmlRpcSpec.FAULT_STRING_TAG))
{
throw new XmlRpcException("Invalid XML-RPC response: missing fault string");
}
try
{
XmlRpcFault fault = new XmlRpcFault((Int32)dict[XmlRpcSpec.FAULT_CODE_TAG], (String)dict[XmlRpcSpec.FAULT_STRING_TAG]);
XmlRpcResponse response = new XmlRpcResponse(null);
response.Fault = fault;
return(response);
}
catch (Exception ex)
{
throw new XmlRpcException("Invalid XML-RPC response: " + ex.Message);
}
}
throw new XmlRpcException("Invalid XML-RPC response.");
}
/// <summary>
/// Deserializes an XML-RPC request from a <see cref="System.Xml.XmlReader"/>.
/// </summary>
/// <param name="reader">the <see cref="System.Xml.XmlReader"/> to read</param>
/// <param name="config">the context configuration</param>
/// <param name="typeSerializerFactory">the <see cref="LX.EasyWeb.XmlRpc.Serializer.ITypeSerializerFactory"/> to get type serializers</param>
/// <returns>a <see cref="LX.EasyWeb.XmlRpc.IXmlRpcRequest"/> read from the reader</returns>
/// <exception cref="System.Xml.XmlException">failed parsing the request XML</exception>
public IXmlRpcRequest ReadRequest(XmlReader reader, IXmlRpcStreamConfig config, ITypeSerializerFactory typeSerializerFactory)
{
String methodName = null;
IList args = null;
do
{
reader.Read();
if (reader.NodeType == XmlNodeType.Element)
{
if (!String.IsNullOrEmpty(reader.NamespaceURI) || !XmlRpcSpec.METHOD_CALL_TAG.Equals(reader.LocalName))
{
throw new XmlException("Expected root element methodCall, got " + new XmlQualifiedName(reader.LocalName, reader.NamespaceURI));
}
RecursiveTypeSerializer.ReadToElement(reader);
methodName = ReadMethodName(reader);
RecursiveTypeSerializer.ReadToElement(reader);
args = RecursiveTypeSerializer.ReadParams(reader, config, typeSerializerFactory);
}
} while (!reader.EOF && (reader.NodeType != XmlNodeType.EndElement || !XmlRpcSpec.METHOD_CALL_TAG.Equals(reader.LocalName)));
return(new XmlRpcRequest(methodName, args == null ? null : ToArray(args)));
}
private static String ReadMethodName(XmlReader reader)
{
RecursiveTypeSerializer.CheckTag(reader, XmlRpcSpec.METHOD_NAME_TAG);
return(reader.ReadElementString());
}