/// <summary>
///
/// </summary>
/// <param name="field"></param>
/// <returns></returns>
public byte[] parse(FIELDS field)
{
fieldLength = field.GetLength();
fieldType = field.getType();
fieldFormat = field.GetFormat();
if (field.IsFixed())
{
return(fixedFieldParser());
}
else
{
return(varFieldParser());
}
}
public DataElement <T> SetField(FIELDS field, byte[] value)
{
byte[] fValue = value;
if (value == null)
{
throw new ISOException(field + " is Null");
}
//Length check and padding
if (field.IsFixed())
{
if (field.GetLength() % 2 != 0)
{
if (field.getType().Equals("n"))
{
// byte[] _fixed = new byte[(int) Math.Ceiling(field.GetLength()/2f)*2];
//
// for (int i = 0; i<fValue.Length; i++) {
// _fixed[i] = (byte) ((fValue[i] & 0x0F) << 4);
// if (i + 1 < value.Length)
// _fixed[i] += Convert.ToByte((fValue[i + 1] & 0xF0) >> 4);
// }
//
// _fixed[fValue.Length - 1] = (byte) (_fixed[fValue.Length - 1] + 0x0F);
// fValue = _fixed;
}
}
else if (field.GetLength() - (fValue.Length * 2) > 0 && field.getType().Equals("n"))
{
ByteArray valueBuffer = new ByteArray();
valueBuffer.append(fValue);
valueBuffer.prepend(
Encoding.ASCII.GetBytes(new char[(field.GetLength() - (fValue.Length * 2)) / 2])
);
fValue = valueBuffer.array();
valueBuffer.clear();
}
if (fValue.Length > field.GetLength())
{
fValue = Arrays.CopyOfRange(fValue, fValue.Length - field.GetLength(), fValue.Length);
}
}
else
{
int dLen = fValue.Length;
switch (field.getType())
{
case "z":
if (dLen > field.GetLength())
{
fValue = Arrays.CopyOfRange(fValue, fValue.Length - field.GetLength(), fValue.Length);
}
dLen = fValue.Length * 2;
break;
}
ByteArray valueBuffer = new ByteArray();
valueBuffer.append(fValue);
switch (field.GetFormat())
{
case "LL":
if (2 - dLen.ToString().Length <= 0)
{
valueBuffer.prepend(StringUtil.HexStringToByteArray(dLen + ""));
}
else
{
var eLen = (new String('0', (2 - dLen.ToString().Length) + dLen));
valueBuffer.prepend(
StringUtil.HexStringToByteArray(
eLen.Substring(eLen.Length - 2, 2)
));
}
break;
case "LLL":
{
var eLen = '0' + new String('0', (4 - dLen.ToString().Length)) + dLen;
valueBuffer.prepend(
StringUtil.HexStringToByteArray(
eLen.Substring(eLen.Length - 4, 4)
));
}
break;
}
fValue = valueBuffer.array();
valueBuffer.clear();
valueBuffer = null;
}
AddOrUpdateElement(field, fValue);
return(this);
}
