public override string ToString()
{
string output = $"MMSI: {MMSI} Type: {MessageType} ";
switch (MessageType)
{
case 1:
case 2:
case 3:
output += PositionReport?.ToString();
break;
case 4:
output += BaseStationReport?.ToString();
break;
case 5:
output += VoygageReport?.ToString();
break;
default:
output += "unsupported messagetype";
break;
}
return(output);
}
public static AisMessage DecodeAisString(string armoredString)
{
var aisMsg = new AisMessage();
string binary = DecodeVDXArmoredString(armoredString);
aisMsg.MessageType = Convert.ToInt32(binary.Substring(0, 6), 2);
aisMsg.RepeatIndicator = Convert.ToInt32(binary.Substring(6, 2), 2);
aisMsg.MMSI = Convert.ToInt32(binary.Substring(8, 30), 2);
switch (aisMsg.MessageType)
{
case 1:
case 2:
case 3:
aisMsg.PositionReport = PositionReport.CreateFromBinary(binary);
break;
case 4:
aisMsg.BaseStationReport = BaseStationReport.CreateFromBinary(binary);
break;
case 5:
aisMsg.VoygageReport = VoyageReport.CreateFromBinary(binary);
break;
}
return(aisMsg);
}
