private IEnumerable <KeyValuePair <string, string> > HandleBrowse(IDictionary <string, string> sparams, User user, string deviceId)
{
var id = sparams["ObjectID"];
var flag = sparams["BrowseFlag"];
var filter = new Filter(GetValueOrDefault(sparams, "Filter", "*"));
var sortCriteria = new SortCriteria(GetValueOrDefault(sparams, "SortCriteria", ""));
var provided = 0;
// Default to null instead of 0
// Upnp inspector sends 0 as requestedCount when it wants everything
int?requestedCount = null;
int?start = 0;
int requestedVal;
if (sparams.ContainsKey("RequestedCount") && int.TryParse(sparams["RequestedCount"], out requestedVal) && requestedVal > 0)
{
requestedCount = requestedVal;
}
int startVal;
if (sparams.ContainsKey("StartingIndex") && int.TryParse(sparams["StartingIndex"], out startVal) && startVal > 0)
{
start = startVal;
}
var settings = new XmlWriterSettings
{
Encoding = Encoding.UTF8,
CloseOutput = false,
OmitXmlDeclaration = true,
ConformanceLevel = ConformanceLevel.Fragment
};
StringWriter builder = new StringWriterWithEncoding(Encoding.UTF8);
int totalCount;
using (XmlWriter writer = XmlWriter.Create(builder, settings))
{
//writer.WriteStartDocument();
writer.WriteStartElement(string.Empty, "DIDL-Lite", NS_DIDL);
writer.WriteAttributeString("xmlns", "dc", null, NS_DC);
writer.WriteAttributeString("xmlns", "dlna", null, NS_DLNA);
writer.WriteAttributeString("xmlns", "upnp", null, NS_UPNP);
//didl.SetAttribute("xmlns:sec", NS_SEC);
DidlBuilder.WriteXmlRootAttributes(_profile, writer);
var serverItem = GetItemFromObjectId(id, user);
var item = serverItem.Item;
if (string.Equals(flag, "BrowseMetadata"))
{
totalCount = 1;
if (item.IsDisplayedAsFolder || serverItem.StubType.HasValue)
{
var childrenResult = (GetUserItems(item, serverItem.StubType, user, sortCriteria, start, requestedCount));
_didlBuilder.WriteFolderElement(writer, item, serverItem.StubType, null, childrenResult.TotalRecordCount, filter, id);
}
else
{
_didlBuilder.WriteItemElement(_config.GetDlnaConfiguration(), writer, item, user, null, null, deviceId, filter);
}
provided++;
}
else
{
var childrenResult = (GetUserItems(item, serverItem.StubType, user, sortCriteria, start, requestedCount));
totalCount = childrenResult.TotalRecordCount;
provided = childrenResult.Items.Length;
foreach (var i in childrenResult.Items)
{
var childItem = i.Item;
var displayStubType = i.StubType;
if (childItem.IsDisplayedAsFolder || displayStubType.HasValue)
{
var childCount = (GetUserItems(childItem, displayStubType, user, sortCriteria, null, 0))
.TotalRecordCount;
_didlBuilder.WriteFolderElement(writer, childItem, displayStubType, item, childCount, filter);
}
else
{
_didlBuilder.WriteItemElement(_config.GetDlnaConfiguration(), writer, childItem, user, item, serverItem.StubType, deviceId, filter);
}
}
}
writer.WriteFullEndElement();
//writer.WriteEndDocument();
}
var resXML = builder.ToString();
return(new List <KeyValuePair <string, string> >
{
new KeyValuePair <string, string>("Result", resXML),
new KeyValuePair <string, string>("NumberReturned", provided.ToString(_usCulture)),
new KeyValuePair <string, string>("TotalMatches", totalCount.ToString(_usCulture)),
new KeyValuePair <string, string>("UpdateID", _systemUpdateId.ToString(_usCulture))
});
}
private void HandleBrowse(XmlWriter xmlWriter, IDictionary <string, string> sparams, string deviceId)
{
var id = sparams["ObjectID"];
var flag = sparams["BrowseFlag"];
var filter = new Filter(GetValueOrDefault(sparams, "Filter", "*"));
var sortCriteria = new SortCriteria(GetValueOrDefault(sparams, "SortCriteria", string.Empty));
var provided = 0;
// Default to null instead of 0
// Upnp inspector sends 0 as requestedCount when it wants everything
int?requestedCount = null;
int?start = 0;
if (sparams.ContainsKey("RequestedCount") && int.TryParse(sparams["RequestedCount"], out var requestedVal) && requestedVal > 0)
{
requestedCount = requestedVal;
}
if (sparams.ContainsKey("StartingIndex") && int.TryParse(sparams["StartingIndex"], out var startVal) && startVal > 0)
{
start = startVal;
}
int totalCount;
using (StringWriter builder = new StringWriterWithEncoding(Encoding.UTF8))
{
var settings = new XmlWriterSettings()
{
Encoding = Encoding.UTF8,
CloseOutput = false,
OmitXmlDeclaration = true,
ConformanceLevel = ConformanceLevel.Fragment
};
using (var writer = XmlWriter.Create(builder, settings))
{
writer.WriteStartElement(string.Empty, "DIDL-Lite", NsDidl);
writer.WriteAttributeString("xmlns", "dc", null, NsDc);
writer.WriteAttributeString("xmlns", "dlna", null, NsDlna);
writer.WriteAttributeString("xmlns", "upnp", null, NsUpnp);
DidlBuilder.WriteXmlRootAttributes(_profile, writer);
var serverItem = GetItemFromObjectId(id);
var item = serverItem.Item;
if (string.Equals(flag, "BrowseMetadata", StringComparison.Ordinal))
{
totalCount = 1;
if (item.IsDisplayedAsFolder || serverItem.StubType.HasValue)
{
var childrenResult = GetUserItems(item, serverItem.StubType, _user, sortCriteria, start, requestedCount);
_didlBuilder.WriteFolderElement(writer, item, serverItem.StubType, null, childrenResult.TotalRecordCount, filter, id);
}
else
{
var dlnaOptions = _config.GetDlnaConfiguration();
_didlBuilder.WriteItemElement(writer, item, _user, null, null, deviceId, filter);
}
provided++;
}
else
{
var childrenResult = GetUserItems(item, serverItem.StubType, _user, sortCriteria, start, requestedCount);
totalCount = childrenResult.TotalRecordCount;
provided = childrenResult.Items.Count;
var dlnaOptions = _config.GetDlnaConfiguration();
foreach (var i in childrenResult.Items)
{
var childItem = i.Item;
var displayStubType = i.StubType;
if (childItem.IsDisplayedAsFolder || displayStubType.HasValue)
{
var childCount = GetUserItems(childItem, displayStubType, _user, sortCriteria, null, 0)
.TotalRecordCount;
_didlBuilder.WriteFolderElement(writer, childItem, displayStubType, item, childCount, filter);
}
else
{
_didlBuilder.WriteItemElement(writer, childItem, _user, item, serverItem.StubType, deviceId, filter);
}
}
}
writer.WriteFullEndElement();
}
xmlWriter.WriteElementString("Result", builder.ToString());
}
xmlWriter.WriteElementString("NumberReturned", provided.ToString(CultureInfo.InvariantCulture));
xmlWriter.WriteElementString("TotalMatches", totalCount.ToString(CultureInfo.InvariantCulture));
xmlWriter.WriteElementString("UpdateID", _systemUpdateId.ToString(CultureInfo.InvariantCulture));
}
