private static NetworkMessage ParseMessage(Iso8583Bitmap bitmap, MessageReader mr, Iso8583MessageType messageType)
{
NetworkMessage message = new NetworkMessage(messageType);
message.Bitmap = bitmap;
// initialize the factory
message.Factory = Iso8583ElementFactory.GetConfiguredFactory(mr, messageType);
// read the primary bitmap
DataElementId currentElement = bitmap.GetNextDataElement();
do
{
message.elements[currentElement] = message.Factory.CreateElement(currentElement);
currentElement = bitmap.GetNextDataElement();
}while (currentElement != 0);
// check for secondary bitmap
if (message.Has(DataElementId.DE_001))
{
byte[] secondaryBuffer = message.GetByteArray(DataElementId.DE_001);
Iso8583Bitmap secondaryMap = new Iso8583Bitmap(secondaryBuffer, 64);
currentElement = secondaryMap.GetNextDataElement();
while (currentElement != 0)
{
message.elements[currentElement] = message.Factory.CreateElement(currentElement);
currentElement = secondaryMap.GetNextDataElement();
}
}
// return the document
return(message);
}
public static NetworkMessage Parse(string input, Iso8583MessageType messageType)
{
MessageReader mr = new MessageReader(Encoding.UTF8.GetBytes(input));
Iso8583Bitmap bitmap = new Iso8583Bitmap(StringUtils.BytesFromHex(mr.ReadString(16)));
return(ParseMessage(bitmap, mr, messageType));
}
public static NetworkMessage Parse(byte[] input, Iso8583MessageType messageType)
{
MessageReader mr = new MessageReader(input);
Iso8583Bitmap bitmap = new Iso8583Bitmap(mr.ReadBytes(8));
return(ParseMessage(bitmap, mr, messageType));
}
private void GenerateBitmaps()
{
Bitmap = new Iso8583Bitmap(new byte[8]);
// check if we need a secondary bitmap
if (messageType.Equals(Iso8583MessageType.CompleteMessage))
{
secondaryBitmap = new Iso8583Bitmap(new byte[8], 64);
Bitmap.SetDataElement(DataElementId.DE_001);
}
foreach (DataElementId elementType in elements.Keys)
{
if (secondaryBitmap != null && elementType.GetHashCode() > 64)
{
secondaryBitmap.SetDataElement(elementType);
}
else
{
Bitmap.SetDataElement(elementType);
}
}
// put the finished secondary bitmap to the elements
if (messageType.Equals(Iso8583MessageType.CompleteMessage))
{
Set(DataElementId.DE_001, secondaryBitmap.ToByteArray());
}
}
