public static string GetStringFromBytes(byte[] data, DataCoding dataCoding)
{
if (data == null)
{
throw new ArgumentNullException("data");
}
string result = null;
switch (dataCoding)
{
case DataCoding.ASCII:
result = System.Text.Encoding.ASCII.GetString(data);
break;
case DataCoding.Latin1:
result = Latin1Encoding.GetString(data);
break;
case DataCoding.SMSCDefault:
result = SMSCDefaultEncoding.GetString(data);
break;
case DataCoding.UCS2:
result = UCS2Encoding.GetString(data);
break;
default:
throw new SmppException(SmppErrorCode.ESME_RUNKNOWNERR, "Unsupported encoding");
}
//Since a CString may contain a null terminating charactor
//Replace all occurences of null charactors
return(result.Replace("\u0000", ""));
}
public static byte[] GetBytesFromString(string cStr, DataCoding dataCoding)
{
if (cStr == null)
{
throw new ArgumentNullException("cStr");
}
if (cStr.Length == 0)
{
return(new byte[] { 0x00 });
}
byte[] bytes = null;
switch (dataCoding)
{
case DataCoding.ASCII:
bytes = System.Text.Encoding.ASCII.GetBytes(cStr);
break;
case DataCoding.Latin1:
bytes = Latin1Encoding.GetBytes(cStr);
break;
case DataCoding.UCS2:
bytes = UCS2Encoding.GetBytes(cStr);
break;
case DataCoding.SMSCDefault:
bytes = SMSCDefaultEncoding.GetBytes(cStr);
break;
default:
throw new SmppException(SmppErrorCode.ESME_RUNKNOWNERR, "Unsupported encoding");
}
return(bytes);
}
private static byte[] EncodeString(DataCoding dataCoding, string str)
{
byte[] bytes;
switch (dataCoding)
{
case DataCoding.Ascii:
bytes = Encoding.ASCII.GetBytes(str);
break;
case DataCoding.Latin1:
bytes = Latin1Encoding.GetBytes(str);
break;
case DataCoding.Ucs2:
bytes = Encoding.BigEndianUnicode.GetBytes(str);
break;
case DataCoding.SmscDefault:
bytes = SmscDefaultEncoding.GetBytes(str);
break;
default:
throw new SmppException(SmppErrorCode.EsmeRunknownerr, "Unsupported encoding");
}
return(bytes);
}
private static string DecodeString(byte[] data, DataCoding dataCoding)
{
string result;
switch (dataCoding)
{
case DataCoding.Ascii:
result = Encoding.ASCII.GetString(data);
break;
case DataCoding.Latin1:
result = Latin1Encoding.GetString(data);
break;
case DataCoding.Ucs2:
result = Encoding.BigEndianUnicode.GetString(data);
break;
case DataCoding.SmscDefault:
result = SmscDefaultEncoding.GetString(data);
break;
default:
throw new SmppException(SmppErrorCode.EsmeRunknownerr, "Unsupported encoding");
}
return(result);
}
public static string GetCStringFromBytes(byte[] data, DataCoding dataCoding)
{
if (data == null)
{
throw new ArgumentNullException("data");
}
if (data.Length < 1)
{
throw new ArgumentException("Array cannot be empty", "data");
}
if (data[data.Length - 1] != 0x00)
{
throw new ArgumentException("CString must be terminated with a null charactor", "data");
}
if (data.Length == 1)
{
return("");
} //The string is empty if it contains a single null charactor
string result = null;
switch (dataCoding)
{
case DataCoding.ASCII:
result = System.Text.Encoding.ASCII.GetString(data);
break;
case DataCoding.Latin1:
result = Latin1Encoding.GetString(data);
break;
case DataCoding.SMSCDefault:
result = SMSCDefaultEncoding.GetString(data);
break;
case DataCoding.UCS2:
result = UCS2Encoding.GetString(data);
break;
default:
throw new SmppException(SmppErrorCode.ESME_RUNKNOWNERR, "Unsupported encoding");
}
return(result.Replace("\x00", ""));//Replace the terminating null charactor
}
public static byte[] GetBytesFromCString(string cStr, DataCoding dataCoding)
{
if (cStr == null)
{
throw new ArgumentNullException("cStr");
}
if (cStr.Length == 0)
{
return(new byte[] { 0x00 });
}
byte[] bytes = null;
switch (dataCoding)
{
case DataCoding.ASCII:
bytes = System.Text.Encoding.ASCII.GetBytes(cStr);
break;
case DataCoding.Latin1:
bytes = Latin1Encoding.GetBytes(cStr);
break;
case DataCoding.UCS2:
bytes = UCS2Encoding.GetBytes(cStr);
break;
case DataCoding.SMSCDefault:
bytes = SMSCDefaultEncoding.GetBytes(cStr);
break;
default:
throw new SmppException(SmppErrorCode.ESME_RUNKNOWNERR, "Unsupported encoding");
}
ByteBuffer buffer = new ByteBuffer(bytes, bytes.Length + 1);
buffer.Append(new byte[] { 0x00 }); //Append a null charactor a the end
return(buffer.ToBytes());
}