/// <summary>
/// Encodes a call of the specified <paramref name="action"/> with the given <paramref name="inParamValues"/> and
/// returns the resulting SOAP XML string.
/// </summary>
/// <param name="action">Action to be called.</param>
/// <param name="inParamValues">List of parameter values which must match the action's signature.
/// Can be <c>null</c> if the parameter list is empty.</param>
/// <param name="upnpVersion">UPnP version to use for the encoding.</param>
/// <returns>XML string which contains the SOAP document.</returns>
public static string EncodeCall(CpAction action, IList <object> inParamValues, UPnPVersion upnpVersion)
{
bool targetSupportsUPnP11 = upnpVersion.VerMin >= 1;
StringBuilder result = new StringBuilder(5000);
using (StringWriterWithEncoding stringWriter = new StringWriterWithEncoding(result, UPnPConsts.UTF8_NO_BOM))
using (XmlWriter writer = XmlWriter.Create(stringWriter, UPnPConfiguration.DEFAULT_XML_WRITER_SETTINGS))
{
SoapHelper.WriteSoapEnvelopeStart(writer, true);
writer.WriteStartElement("u", action.Name, action.ParentService.ServiceTypeVersion_URN);
// Check input parameters
IList <CpArgument> formalArguments = action.InArguments;
if (inParamValues == null)
{
inParamValues = EMPTY_OBJECT_LIST;
}
if (inParamValues.Count != formalArguments.Count)
{
throw new ArgumentException("Invalid argument count");
}
for (int i = 0; i < formalArguments.Count; i++)
{
CpArgument argument = formalArguments[i];
object value = inParamValues[i];
writer.WriteStartElement(argument.Name);
argument.SoapSerializeArgument(value, !targetSupportsUPnP11, writer);
writer.WriteEndElement(); // argument.Name
}
SoapHelper.WriteSoapEnvelopeEndAndClose(writer);
}
return(result.ToString());
}
protected static string CreateResultDocument(DvAction action, IList <OutParameter> outParameters, bool forceSimpleValues)
{
StringBuilder result = new StringBuilder(2000);
using (StringWriterWithEncoding stringWriter = new StringWriterWithEncoding(result, UPnPConsts.UTF8_NO_BOM))
using (XmlWriter writer = XmlWriter.Create(stringWriter, UPnPConfiguration.DEFAULT_XML_WRITER_SETTINGS))
{
SoapHelper.WriteSoapEnvelopeStart(writer, true);
writer.WriteStartElement("u", action.Name + "Response", action.ParentService.ServiceTypeVersion_URN);
foreach (OutParameter parameter in outParameters)
{
writer.WriteStartElement(parameter.Argument.Name);
parameter.Argument.SoapSerializeArgument(parameter.Value, forceSimpleValues, writer);
writer.WriteEndElement(); // parameter.Argument.Name
}
writer.WriteEndElement(); // u:[action.Name]Response
SoapHelper.WriteSoapEnvelopeEndAndClose(writer);
}
return(result.ToString());
}
public static string CreateFaultDocument(uint errorCode, string errorDescription)
{
StringBuilder result = new StringBuilder(2000);
using (StringWriterWithEncoding stringWriter = new StringWriterWithEncoding(result, UPnPConsts.UTF8_NO_BOM))
using (XmlWriter writer = XmlWriter.Create(stringWriter, UPnPConfiguration.DEFAULT_XML_WRITER_SETTINGS))
{
SoapHelper.WriteSoapEnvelopeStart(writer, false);
writer.WriteStartElement("Fault", UPnPConsts.NS_SOAP_ENVELOPE);
string soapNamespacePrefix = writer.LookupPrefix(UPnPConsts.NS_SOAP_ENVELOPE);
writer.WriteElementString("faultcode", soapNamespacePrefix + ":Client");
writer.WriteElementString("faultstring", "UPnPError");
writer.WriteStartElement("detail");
writer.WriteStartElement(string.Empty, "UPnPError", UPnPConsts.NS_UPNP_CONTROL);
writer.WriteElementString("errorCode", errorCode.ToString());
writer.WriteElementString("errorDescription", errorDescription);
writer.WriteEndElement(); // UPnPError
writer.WriteEndElement(); // detail
writer.WriteEndElement(); // s:Fault
SoapHelper.WriteSoapEnvelopeEndAndClose(writer);
}
return(result.ToString());
}
