/// <summary>
/// Instructs the "xmlWriter" argument to start the "res" element.
/// Override properly allows mapping of local paths to relative URIs
/// using the <see cref="MediaResource.AUTOMAPFILE"/> convention.
/// </summary>
/// <param name="formatter">
/// A <see cref="ToXmlFormatter"/> object that
/// specifies method implementations for printing
/// media objects and metadata.
/// </param>
/// <param name="data">
/// This object should be a <see cref="ToXmlData"/>
/// object that contains additional instructions used
/// by the "formatter" argument.
/// </param>
/// <param name="xmlWriter">
/// The <see cref="XmlTextWriter"/> object that
/// will format the representation in an XML
/// valid way.
/// </param>
/// <exception cref="InvalidCastException">
/// Thrown if the "data" argument is not a <see cref="ToXmlData"/> object.
/// </exception>
/// <exception cref="ApplicationException">
/// Thrown if the resource's importUri attribute has been explicitly set for
/// a resource that uses the <see cref="MediaResource.AUTOMAPFILE"/> convention.
/// </exception>
public override void StartElement(ToXmlFormatter formatter, object data, XmlTextWriter xmlWriter)
{
ToXmlData _d = (ToXmlData)data;
this.StartResourceXml(_d.DesiredProperties, xmlWriter);
this.WriteAttributesXml(data, _d.DesiredProperties, xmlWriter);
this.WriteImportUriXml(_d.BaseUri, _d.DesiredProperties, xmlWriter);
}
/// <summary>
/// Returns string representation of item.
/// </summary>
/// <returns></returns>
public string ToDidl()
{
ArrayList properties = new ArrayList();
StringBuilder sb = null;
StringWriter sw = null;
MemoryStream ms = null;
XmlTextWriter xmlWriter = null;
if (MediaObject.ENCODE_UTF8)
{
ms = new MemoryStream(MediaObject.XML_BUFFER_SIZE);
xmlWriter = new XmlTextWriter(ms, System.Text.Encoding.UTF8);
}
else
{
sb = new StringBuilder(MediaObject.XML_BUFFER_SIZE);
sw = new StringWriter(sb);
xmlWriter = new XmlTextWriter(sw);
}
xmlWriter.Formatting = System.Xml.Formatting.Indented;
xmlWriter.Namespaces = true;
xmlWriter.WriteStartDocument();
MediaObject.WriteResponseHeader(xmlWriter);
ToXmlData _d = (ToXmlData)MediaObject.ToXmlData_AllRecurse.Clone();
_d.IsRecursive = false;
this.ToXml(ToXmlFormatter.DefaultFormatter, _d, xmlWriter);
xmlWriter.WriteEndDocument();
xmlWriter.Flush();
string xmlResult;
if (MediaObject.ENCODE_UTF8)
{
int len = (int)ms.ToArray().Length - MediaObject.TruncateLength_UTF8;
UTF8Encoding utf8e = new UTF8Encoding(false, true);
xmlResult = utf8e.GetString(ms.ToArray(), MediaObject.TruncateLength_UTF8, len);
}
else
{
xmlResult = sb.ToString();
}
xmlWriter.Close();
int crpos = xmlResult.IndexOf("\r\n");
crpos = xmlResult.IndexOf('<', crpos);
string trunc = xmlResult.Remove(0, crpos);
return(trunc);
}
public void SetTxtBox()
{
if (this.MediaObj != null)
{
StringBuilder sbXml = null;
sbXml = new StringBuilder(MediaObject.XML_BUFFER_SIZE);
StringWriter sw = new StringWriter(sbXml);
XmlTextWriter xmlWriter = new XmlTextWriter(sw);
xmlWriter.Formatting = System.Xml.Formatting.Indented;
xmlWriter.Namespaces = true;
ToXmlFormatter _f = new ToXmlFormatter();
ToXmlData _d = new ToXmlData();
_d.DesiredProperties = new ArrayList(0);
_d.IsRecursive = false;
this.MediaObj.ToXml(_f, _d, xmlWriter);
//this.MediaObj.ToXml(false, new ArrayList(0), xmlWriter);
this.txtbox.Text = sbXml.ToString();
}
}
public static void WriteInnerXmlResources(IUPnPMedia mo, InnerXmlWriter.DelegateShouldPrintResources shouldPrintResources, ToXmlFormatter formatter, ToXmlData data, XmlTextWriter xmlWriter)
{
IDvMedia dvm = (IDvMedia)mo;
ToXmlDataDv txdv = (ToXmlDataDv)data;
if (shouldPrintResources(txdv.DesiredProperties))
{
if (txdv.BaseUris == null)
{
txdv.BaseUris = new ArrayList();
}
if (txdv.BaseUris.Count == 0)
{
txdv.BaseUris.Add(txdv.BaseUri);
}
ToXmlFormatter resFormatter = formatter;
resFormatter.StartElement = null;
resFormatter.EndElement = null;
resFormatter.WriteInnerXml = null;
resFormatter.WriteValue = null;
// Code is unfinished - intended to allow a media object to
// print duplicate resource elements so that each resource
// is printed once for every available network interface.
foreach (string baseUri in txdv.BaseUris)
{
txdv.BaseUri = baseUri;
foreach (IMediaResource res in dvm.MergedResources)
{
// Set up the resource formatter to use the
// default StartElement, EndElement, WriteInnerXml, and WriteValue
// implementations. This stuff has no effect
// if the WriteResource field has been assigned.
res.ToXml(resFormatter, txdv, xmlWriter);
}
}
}
}
