jellyfin-server/MediaBrowser.Dlna/PlayTo/TransportCommands.cs

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C#
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2014-02-26 21:31:47 +00:00
using System.Collections.Generic;
using System.Linq;
using System.Xml.Linq;
namespace MediaBrowser.Dlna.PlayTo
{
public class TransportCommands
{
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private List<StateVariable> _stateVariables = new List<StateVariable>();
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public List<StateVariable> StateVariables
{
get
{
return _stateVariables;
}
set
{
_stateVariables = value;
}
}
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private List<ServiceAction> _serviceActions = new List<ServiceAction>();
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public List<ServiceAction> ServiceActions
{
get
{
return _serviceActions;
}
set
{
_serviceActions = value;
}
}
public static TransportCommands Create(XDocument document)
{
var command = new TransportCommands();
var actionList = document.Descendants(uPnpNamespaces.svc + "actionList");
foreach (var container in actionList.Descendants(uPnpNamespaces.svc + "action"))
{
command.ServiceActions.Add(ServiceAction.FromXml(container));
}
var stateValues = document.Descendants(uPnpNamespaces.ServiceStateTable).FirstOrDefault();
if (stateValues != null)
{
foreach (var container in stateValues.Elements(uPnpNamespaces.svc + "stateVariable"))
{
command.StateVariables.Add(StateVariable.FromXml(container));
}
}
return command;
}
public string BuildPost(ServiceAction action, string xmlNamespace)
{
var stateString = string.Empty;
foreach (var arg in action.ArgumentList)
{
if (arg.Direction == "out")
continue;
if (arg.Name == "InstanceID")
stateString += BuildArgumentXml(arg, "0");
else
stateString += BuildArgumentXml(arg, null);
}
return string.Format(CommandBase, action.Name, xmlNamespace, stateString);
}
public string BuildPost(ServiceAction action, string xmlNamesapce, object value, string commandParameter = "")
{
var stateString = string.Empty;
foreach (var arg in action.ArgumentList)
{
if (arg.Direction == "out")
continue;
if (arg.Name == "InstanceID")
stateString += BuildArgumentXml(arg, "0");
else
stateString += BuildArgumentXml(arg, value.ToString(), commandParameter);
}
return string.Format(CommandBase, action.Name, xmlNamesapce, stateString);
}
public string BuildSearchPost(ServiceAction action, string xmlNamesapce, object value, string commandParameter = "")
{
var stateString = string.Empty;
foreach (var arg in action.ArgumentList)
{
if (arg.Direction == "out")
continue;
if (arg.Name == "ObjectID")
stateString += BuildArgumentXml(arg, value.ToString());
else if (arg.Name == "Filter")
stateString += BuildArgumentXml(arg, "*");
else if (arg.Name == "StartingIndex")
stateString += BuildArgumentXml(arg, "0");
else if (arg.Name == "RequestedCount")
stateString += BuildArgumentXml(arg, "200");
else if (arg.Name == "BrowseFlag")
stateString += BuildArgumentXml(arg, null, "BrowseDirectChildren");
else if (arg.Name == "SortCriteria")
stateString += BuildArgumentXml(arg, "");
else
stateString += BuildArgumentXml(arg, value.ToString(), commandParameter);
}
return string.Format(CommandBase, action.Name, xmlNamesapce, stateString);
}
public string BuildPost(ServiceAction action, string xmlNamesapce, object value, Dictionary<string, string> dictionary)
{
var stateString = string.Empty;
foreach (var arg in action.ArgumentList)
{
if (arg.Name == "InstanceID")
stateString += BuildArgumentXml(arg, "0");
else if (dictionary.ContainsKey(arg.Name))
stateString += BuildArgumentXml(arg, dictionary[arg.Name]);
else
stateString += BuildArgumentXml(arg, value.ToString());
}
return string.Format(CommandBase, action.Name, xmlNamesapce, stateString);
}
private string BuildArgumentXml(Argument argument, string value, string commandParameter = "")
{
var state = StateVariables.FirstOrDefault(a => a.Name == argument.RelatedStateVariable);
if (state != null)
{
var sendValue = (state.AllowedValues.FirstOrDefault(a => a == commandParameter) ??
state.AllowedValues.FirstOrDefault()) ??
value;
return string.Format("<{0} xmlns:dt=\"urn:schemas-microsoft-com:datatypes\" dt:dt=\"{1}\">{2}</{0}>", argument.Name, state.DataType ?? "string", sendValue);
}
return string.Format("<{0}>{1}</{0}>", argument.Name, value);
}
private const string CommandBase = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n" + "<SOAP-ENV:Envelope xmlns:SOAP-ENV=\"http://schemas.xmlsoap.org/soap/envelope/\" SOAP-ENV:encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\">" + "<SOAP-ENV:Body>" + "<m:{0} xmlns:m=\"{1}\">" + "{2}" + "</m:{0}>" + "</SOAP-ENV:Body></SOAP-ENV:Envelope>";
}
}