internal DataBroadCastHandler(BroadCastMode BroadCastMode, string BroadcastIDName, BroadcastableData data)
{
this._broadCastableData = data;
this._mode = BroadCastMode;
this._broadcastIDName = BroadcastIDName.ToUpper();
this._XMLDataString = this.GetXMLString();
}
internal static DataBroadCastHandler ParseAndGet_DataBroadCastHandler_FromXMLDataString(string XMLDataString)
{
System.IO.StringReader sr = null;
System.Xml.XmlTextReader m_xmlr = null;
try
{
sr = new System.IO.StringReader(XMLDataString);
m_xmlr = new System.Xml.XmlTextReader(sr);
m_xmlr.WhitespaceHandling = System.Xml.WhitespaceHandling.None;
}
catch (System.Xml.XmlException)
{
string msg;
msg = "Error trying to get XML format from broadcasted data string [" + XMLDataString + "]";
}
catch (Exception ex)
{
string msg = "";
msg = "Error trying to parse broadcasted XML string : " + ex.Message;
throw (new Exception(msg));
}
m_xmlr.Read();
string HeaderIdentifier = m_xmlr.Name;
if (HeaderIdentifier != "BROADCAST_HANDLER")
{
throw (new System.Xml.XmlException("Invalid data header " + HeaderIdentifier + ". Must be \'BROADCAST_HANDLER\'"));
}
else
{
//read the mode attribute from the current section "BROADCAST_HANDLER"
BroadCastMode mode = default(BroadCastMode);
string modeStr = m_xmlr.GetAttribute("broadcastMode");
switch (modeStr)
{
case "BroadCasterIsWaitingReply":
mode = BroadCastMode.BroadCasterIsWaitingReply;
break;
case "BroadCasterIsNotWaitingReply":
mode = BroadCastMode.BroadCasterIsNotWaitingReply;
break;
default:
mode = BroadCastMode.undefined;
break;
}
string broadCastIDName = "";
broadCastIDName = m_xmlr.GetAttribute("broadcastIDName");
if (broadCastIDName == null)
{
throw (new Exception("No attribute \'broadcastIDName\' in XML data string [" + XMLDataString + "]"));
}
//retrieves all the xml string of the broadcastable data section
m_xmlr.Read();
string broadCastedXMLString = m_xmlr.ReadOuterXml();
BroadcastableData data = BroadcastableData.ParseAndGet_BroadcastableData_FromXMLDataString(broadCastedXMLString);
DataBroadCastHandler handler = new DataBroadCastHandler(mode, broadCastIDName, data);
return(handler);
}
}
internal static BroadcastableData ParseAndGet_BroadcastableData_FromXMLDataString(string XMLDataString)
{
System.IO.StringReader sr = null;
System.Xml.XmlTextReader m_xmlr = null;
string broadCasterName = "";
string broadCasterHost = "";
int broadCasterListeningPort = 0;
try
{
sr = new System.IO.StringReader(XMLDataString);
m_xmlr = new System.Xml.XmlTextReader(sr);
m_xmlr.WhitespaceHandling = System.Xml.WhitespaceHandling.None;
}
catch (System.Xml.XmlException)
{
string msg;
msg = "Error trying to get XML format from broadcasted data string [" + XMLDataString + "]";
}
catch (Exception ex)
{
string msg = "";
msg = "Error trying to parse broadcasted XML string : " + ex.Message;
throw (new Exception(msg));
}
m_xmlr.Read();
string HeaderIdentifier = m_xmlr.Name;
if (HeaderIdentifier != "BROADCASTED_DATA")
{
throw (new System.Xml.XmlException("Invalid data header " + HeaderIdentifier + ". Must be \'BROADCASTED_DATA\'"));
}
else
{
m_xmlr.Read();
string broadCasterHeader = m_xmlr.Name;
if (broadCasterHeader != "BROADCASTER_INFO")
{
throw (new System.Xml.XmlException("Invalid XML structure was expected a <BROADCASTER_INFO> and was found " + broadCasterHeader));
}
else
{
//*******************************************************
//gets the data broadcaster information
//*******************************************************
broadCasterName = m_xmlr.GetAttribute("name");
if (broadCasterName == null)
{
throw (new Exception("Can\'t determine the attribute NAME of the section <BROADCASTER_INFO> from XML String [" + XMLDataString + "]"));
}
broadCasterHost = m_xmlr.GetAttribute("host");
if (broadCasterHost == null)
{
throw (new Exception("Can\'t determine the attribute HOST of the section <BROADCASTER_INFO> from XML String [" + XMLDataString + "]"));
}
string PORT = m_xmlr.GetAttribute("listeningPort");
if (PORT == null)
{
throw (new Exception("Can\'t determine the attribute LISTENINGPORT of the section <BROADCASTER_INFO> from XML String [" + XMLDataString + "]"));
}
broadCasterListeningPort = System.Convert.ToInt32(PORT);
//*******************************************************
//gets the data from the XML string
//*******************************************************
string dataValueAsString = "";
m_xmlr.Read();
m_xmlr.Read();
dataValueAsString = m_xmlr.ReadOuterXml();
DataVariable var = XMLDataFormatting.RetrieveDataVariableFromXMLString(dataValueAsString);
BroadcastableData broadCastedData = new BroadcastableData(broadCasterName, broadCasterHost, broadCasterListeningPort, System.Convert.ToString(var.Name), var.Data);
return(broadCastedData);
}
}
}
