/// <summary>
/// Initializes the object.
/// </summary>
protected virtual void Init()
{
this.m_bools = new BitArray(8, false);
this.m_Desc = null;
this.m_ID = "";
//this.m_LockDesc = new ReaderWriterLock();
if (MediaObject.UseStaticLock)
{
this.m_LockResources = MediaObject.StaticLock;
}
else
{
this.m_LockResources = new ReaderWriterLock();
}
this.m_Parent = null;
this.m_ParentID = null;
this.ResetProperties();
this.ResetResources();
this._Tag = null;
this.m_PropertiesStateNumber = int.MaxValue;
}
/// <summary>
/// Creates a
/// <see cref="MediaContainer"/>
/// object, given a metadata instantiation
/// block.
/// </summary>
/// <param name="info">
/// The metadata to use when instantiating the media.
/// </param>
/// <returns>a new media container</returns>
public static MediaContainer CreateContainer (container info)
{
MediaContainer newObj = new MediaContainer();
SetObjectProperties(newObj, info);
return newObj;
}
/// <summary>
/// Returns a deep copy of the object's metadata in a new MediaObject.
/// The class returned instance will be either
/// <see cref="MediaItem"/> or <see cref="MediaContainer"/>.
/// <para>
/// The deep-copy object will not have the same ID,
/// nor will the .Tag field be set.
/// </para>
/// </summary>
/// <returns></returns>
public IUPnPMedia MetadataCopy()
{
StringBuilder sbXml = null;
sbXml = new StringBuilder(XML_BUFFER_SIZE);
StringWriter sw = new StringWriter(sbXml);
XmlTextWriter xmlWriter = new XmlTextWriter(sw);
xmlWriter.Namespaces = true;
MediaObject.WriteResponseHeader(xmlWriter);
// set up the ToXml() method to write everything
ToXmlData _d = (ToXmlData) MediaObject.ToXmlData_Default.Clone();
_d.IgnoreBlankParentError = true;
this.ToXml(ToXmlFormatter.DefaultFormatter, _d, xmlWriter);
MediaObject.WriteResponseFooter(xmlWriter);
xmlWriter.Flush();
string xmlstr = sbXml.ToString();
xmlWriter.Close();
MediaContainer mc = this as MediaContainer;
MediaItem mi = this as MediaItem;
MediaObject newObj = null;
XmlDocument xmldoc = new XmlDocument();
xmldoc.LoadXml(xmlstr);
XmlElement child = (XmlElement) xmldoc.ChildNodes[0].ChildNodes[0];
if (mc != null)
{
newObj = new MediaContainer(child);
}
else if (mi != null)
{
newObj = new MediaItem(child);
}
else
{
throw new Exception("Bad evil. Should always have an item or container.");
}
newObj.m_ID = MediaBuilder.GetUniqueId();
return newObj;
}
