public override byte[] Encode(ISOComponent component)
{
try {
byte[] data = component.GetBytes();
// Check length
int encodedLength = _prefix.EncodedLength;
if (encodedLength == 0)
{
if (data.Length != Length)
{
throw new ISOException(string.Format("Binary data length is not the same as encoder length ({0}/{1}", data.Length, Length));
}
}
byte[] retValue = new byte[_translator.EncodedLength(data.Length) + encodedLength];
_prefix.EncodeLength(data.Length, retValue);
_translator.Translate(data, retValue, encodedLength);
return(retValue);
}
catch (Exception e) {
throw new ISOException(string.Format("Exception encoding field {0}", component.Key), e);
}
}
public override byte[] Encode(ISOComponent component)
{
try {
// if data is represented as byte[], we need to convert it to ASCII, otherwise take it as is
String data;
if (component.Value is byte[])
{
data = System.Text.ASCIIEncoding.ASCII.GetString((byte[])component.Value);
}
else
{
data = component.Value.ToString();
}
// Check the length
if (data.Length > Length)
{
throw new ISOException(string.Format("{0}: Field length {1} is too long. Max {2}", component.Key, data.Length, Length));
}
// Pad, Prefix and Translate
string paddedData = _padder.Pad(data, Length);
byte[] rawData = new byte[_prefix.EncodedLength + _translator.EncodedLength(Length)];
_prefix.EncodeLength(paddedData.Length, rawData);
_translator.Translate(paddedData, rawData, _prefix.EncodedLength);
return(rawData);
}
catch (Exception e) {
throw new ISOException(string.Format("Exception encoding field {0}", component.Key), e);
}
}
public string GetFieldName(ISOComponent component, int fieldNumber)
{
if (_fields != null)
{
if (_fields[fieldNumber] is ISOFieldEncoder)
{
return(((ISOFieldEncoder)_fields[fieldNumber]).Name);
}
}
return(string.Empty);
}
public string Dump(bool includeBitmap = false)
{
StringBuilder sb = new StringBuilder();
// Header
if (Header != null)
{
sb.AppendFormat("<iso header=\"{0}\">\n", Header.ToString());
}
else
{
sb.AppendLine("<iso>");
}
// Bitmap
if (_fields.ContainsKey(-1))
{
sb.AppendFormat("\t<bitmap>{0}</bitmap>\n", _fields[-1].ToString());
}
// MTI
if (_fields.ContainsKey(0))
{
sb.AppendFormat("\t<mti>{0}</mti>\n", ((ISOComponent)_fields[0]).Value);
}
// Fields
IList <int> keys = _fields.Keys;
for (int i = 0; i < keys.Count; i++)
{
ISOComponent c = (ISOComponent)_fields[keys[i]];
if ((int)c.Key > 0 && c is ISOField)
{
sb.AppendFormat("\t<field id=\"{0}\" value=\"{1}\" />\n", c.Key, c.Value);
}
else if ((int)c.Key > 0 && c is ISOBinaryField)
{
sb.AppendFormat("\t<field id=\"{0}\" value=\"{1}\" />\n", c.Key, Utils.HexString((byte[])c.Value));
}
}
sb.AppendLine("</iso>");
return(sb.ToString());
}
public override void Add(ISOComponent component)
{
if (component != null)
{
int key = (int)component.Key;
if (_fields.ContainsKey(key)) // if exists, remove the old field
{
_fields.Remove(key);
}
_fields.Add(key, component);
if (_biggestField < key)
{
_biggestField = key;
}
_changed = true;
}
}
public override int Decode(ISOComponent component, byte[] data, int offset)
{
try {
int length = this._prefix.DecodeLength(data, offset);
if (length == -1)
{
length = Length;
}
else if (length > 0 && length > Length)
{
throw new ISOException(string.Format("{0}: Field length {1} is too long. Max {2}", component.Key, length, Length));
}
int lenLen = _prefix.EncodedLength;
string decodedStr = _translator.TranslateBack(data, offset + lenLen, length);
component.Value = decodedStr;
return(lenLen + _translator.EncodedLength(length));
}
catch (Exception e) {
throw new ISOException(string.Format("Exception decoding field {0}", component.Key), e);
}
}
public override int Decode(ISOComponent component, byte[] data, int offset)
{
try {
int len = _prefix.DecodeLength(data, offset);
if (len == -1)
{
// if we don't know the length, use the max defined for the field
len = Length;
}
else if (Length > 0 && len > Length)
{
throw new ISOException(string.Format("{0}: Field length {1} is too long. Max {2}", component.Key, len, Length));
}
int lenLen = _prefix.EncodedLength;
byte[] decoded = _translator.TranslateBack(data, offset + lenLen, len);
component.Value = decoded;
return(lenLen + _translator.EncodedLength(len));
}
catch (Exception e) {
throw new ISOException(string.Format("Exception decoding field {0}", component.Key), e);
}
}
public byte[] Encode(ISOComponent component)
{
// Loop in each field, encode it a put into a list, where the maximum number may be 128
List<byte[]> list = new List<byte[]>(128);
SortedList<int, object> children = component.GetChildren();
if (children != null) {
int len = 0;
byte[] b;
byte[] header = null;
ISOComponent c;
// if it's message get header length
if (component is ISOMessage) {
if (HeaderLength > 0 && ((ISOMessage)component).Header != null) {
header = ((ISOMessage)component).Header.Value;
if (header != null)
len += header.Length;
}
}
// MTI
c = (ISOComponent)children[0];
if (FirstField > 0 && c != null) {
b = ((ISOFieldEncoder)_fields[0]).Encode(c);
len += b.Length;
list.Add(b);
}
// Bitmap
if (HasBitmap) {
c = (ISOComponent)children[-1];
if (c != null) {
b = GetBitmapEncoder().Encode(c);
len += b.Length;
list.Add(b);
}
}
// Fields
foreach (int k in children.Keys) {
if (k >= FirstField) {
if ((c = (ISOComponent)children[k]) != null) {
ISOFieldEncoder fe = (ISOFieldEncoder)_fields[k];
if (fe == null)
throw new ISOException(string.Format("No encoder defined for field {0}", k));
b = fe.Encode(c);
len += b.Length;
list.Add(b);
}
}
}
// TODO: ++ Process Extended Bitmap ++
// Build final message
int count = 0;
byte[] msg = new byte[len];
if (header != null) {
Array.Copy(header, 0, msg, 0, header.Length);
count += header.Length;
}
for (int i = 0; i < list.Count; i++) {
Array.Copy(list[i], 0, msg, count, list[i].Length);
count += list[i].Length;
}
return msg;
}
return null;
}
public override byte[] Encode(ISOComponent component)
{
try {
// if data is represented as byte[], we need to convert it to ASCII, otherwise take it as is
String data;
if (component.Value is byte[]) {
data = System.Text.ASCIIEncoding.ASCII.GetString((byte[])component.Value);
}
else {
data = component.Value.ToString();
}
// Check the length
if (data.Length > Length)
throw new ISOException(string.Format("{0}: Field length {1} is too long. Max {2}", component.Key, data.Length, Length));
// Pad, Prefix and Translate
string paddedData = _padder.Pad(data, Length);
byte[] rawData = new byte[_prefix.EncodedLength + _translator.EncodedLength(paddedData.Length)];
_prefix.EncodeLength(paddedData.Length, rawData);
_translator.Translate(paddedData, rawData, _prefix.EncodedLength);
return rawData;
}
catch (Exception e) {
throw new ISOException(string.Format("Exception encoding field {0}", component.Key), e);
}
}
public override object GetValue(int fieldNumber)
{
ISOComponent c = GetComponent(fieldNumber);
return(c != null ? c.Value : null);
}
public override byte[] Encode(ISOComponent component)
{
try {
byte[] data = component.GetBytes();
// Check length
int encodedLength = _prefix.EncodedLength;
if (encodedLength == 0) {
if (data.Length != Length) {
throw new ISOException(string.Format("Binary data length is not the same as encoder length ({0}/{1}", data.Length, Length));
}
}
byte[] retValue = new byte[_translator.EncodedLength(data.Length) + encodedLength];
_prefix.EncodeLength(data.Length, retValue);
_translator.Translate(data, retValue, encodedLength);
return retValue;
}
catch (Exception e) {
throw new ISOException(string.Format("Exception encoding field {0}", component.Key), e);
}
}
public override int Decode(ISOComponent component, byte[] data, int offset)
{
try {
int len = _prefix.DecodeLength(data, offset);
if (len == -1) {
// if we don't know the length, use the max defined for the field
len = Length;
}
else if (Length > 0 && len > Length) {
throw new ISOException(string.Format("{0}: Field length {1} is too long. Max {2}", component.Key, len, Length));
}
int lenLen = _prefix.EncodedLength;
string decodedStr = _translator.TranslateBack(data, offset + lenLen, len);
component.Value = decodedStr;
return lenLen + _translator.EncodedLength(len);
}
catch (Exception e) {
throw new ISOException(string.Format("Exception decoding field {0}", component.Key), e);
}
}
public int Decode(ISOComponent component, byte[] data)
{
int offset = 0;
#region - HEADER -
if (component is ISOMessage && HeaderLength > 0)
{
byte[] header = new byte[HeaderLength];
Array.Copy(data, 0, header, 0, HeaderLength);
((ISOMessage)component).Header = new ISOHeader(header);
((ISOMessage)component).Header.ASCIIEncoding = this.HeaderASCII;
offset += HeaderLength;
}
#endregion
#region - MTI -
if (!(_fields[0] is ISOBitmapEncoder))
{
ISOComponent mti = ((ISOFieldEncoder)_fields[0]).CreateComponent(0);
offset += ((ISOFieldEncoder)_fields[0]).Decode(mti, data, offset);
component.Add(mti);
}
#endregion
#region - BITMAP -
BitArray bitArray = null;
int totalFields = _fields.Count;
if (HasBitmap)
{
ISOBitmap bitmap = new ISOBitmap(-1);
offset += GetBitmapEncoder().Decode(bitmap, data, offset);
bitArray = (BitArray)bitmap.Value;
component.Add(bitmap);
totalFields = Math.Min(totalFields, bitArray.Length);
}
#endregion
#region - FIELDS -
for (int i = FirstField; i < totalFields; i++)
{
if (bitArray[i]) // bit array starts at 0
{
if (_fields[i] == null)
{
throw new ISOException(string.Format("Field encoder not defined for {0}", i));
}
try {
ISOComponent c = ((ISOFieldEncoder)_fields[i]).CreateComponent(i);
offset += ((ISOFieldEncoder)_fields[i]).Decode(c, data, offset);
component.Add(c);
}
catch (ISOException e) {
e = new ISOException(string.Format("Error decoding field {0}: {1} ({2}). Bytes consumed: {3} ", i, e.Message, e.InnerException.Message, offset));
throw;
}
}
}
#endregion
// TODO: Do something if still there're bytes to process...?
return(offset);
}
public int Decode(ISOComponent component, byte[] data)
{
int offset = 0;
#region - HEADER -
if (component is ISOMessage && HeaderLength > 0) {
byte[] header = new byte[HeaderLength];
Array.Copy(data, 0, header, 0, HeaderLength);
((ISOMessage)component).Header = new ISOHeader(header);
((ISOMessage)component).Header.ASCIIEncoding = this.HeaderASCII;
offset += HeaderLength;
}
#endregion
#region - MTI -
if (!(_fields[0] is ISOBitmapEncoder)) {
ISOComponent mti = ((ISOFieldEncoder)_fields[0]).CreateComponent(0);
offset += ((ISOFieldEncoder)_fields[0]).Decode(mti, data, offset);
component.Add(mti);
}
#endregion
#region - BITMAP -
BitArray bitArray = null;
int totalFields = _fields.Count;
if (HasBitmap) {
ISOBitmap bitmap = new ISOBitmap(-1);
offset += GetBitmapEncoder().Decode(bitmap, data, offset);
bitArray = (BitArray)bitmap.Value;
component.Add(bitmap);
totalFields = Math.Min(totalFields, bitArray.Length);
}
#endregion
#region - FIELDS -
for (int i = FirstField; i < totalFields; i++) {
if (bitArray[i]) { // bit array starts at 0
if (_fields[i] == null)
throw new ISOException(string.Format("Field encoder not defined for {0}", i));
try {
ISOComponent c = ((ISOFieldEncoder)_fields[i]).CreateComponent(i);
offset += ((ISOFieldEncoder)_fields[i]).Decode(c, data, offset);
component.Add(c);
}
catch (ISOException e) {
e = new ISOException(string.Format("Error decoding field {0}: {1} ({2}). Bytes consumed: {3} ", i, e.Message, e.InnerException.Message, offset));
throw;
}
}
}
#endregion
// TODO: Do something if still there're bytes to process...?
return offset;
}
public byte[] Encode(ISOComponent component)
{
// Loop in each field, encode it a put into a list, where the maximum number may be 128
List <byte[]> list = new List <byte[]>(128);
SortedList <int, object> children = component.GetChildren();
if (children != null)
{
int len = 0;
byte[] b;
byte[] header = null;
ISOComponent c;
// if it's message get header length
if (component is ISOMessage)
{
if (HeaderLength > 0 && ((ISOMessage)component).Header != null)
{
header = ((ISOMessage)component).Header.Value;
if (header != null)
{
len += header.Length;
}
}
}
// MTI
c = (ISOComponent)children[0];
if (FirstField > 0 && c != null)
{
b = ((ISOFieldEncoder)_fields[0]).Encode(c);
len += b.Length;
list.Add(b);
}
// Bitmap
if (HasBitmap)
{
c = (ISOComponent)children[-1];
if (c != null)
{
b = GetBitmapEncoder().Encode(c);
len += b.Length;
list.Add(b);
}
}
// Fields
foreach (int k in children.Keys)
{
if (k >= FirstField)
{
if ((c = (ISOComponent)children[k]) != null)
{
ISOFieldEncoder fe = (ISOFieldEncoder)_fields[k];
if (fe == null)
{
throw new ISOException(string.Format("No encoder defined for field {0}", k));
}
b = fe.Encode(c);
len += b.Length;
list.Add(b);
}
}
}
// TODO: ++ Process Extended Bitmap ++
// Build final message
int count = 0;
byte[] msg = new byte[len];
if (header != null)
{
Array.Copy(header, 0, msg, 0, header.Length);
count += header.Length;
}
for (int i = 0; i < list.Count; i++)
{
Array.Copy(list[i], 0, msg, count, list[i].Length);
count += list[i].Length;
}
return(msg);
}
return(null);
}
public override void Add(ISOComponent component)
{
if (component != null) {
int key = (int)component.Key;
if (_fields.ContainsKey(key)) // if exists, remove the old field
_fields.Remove(key);
_fields.Add(key, component);
if (_biggestField < key)
_biggestField = key;
_changed = true;
}
}
public virtual void Add(ISOComponent component)
{
throw new NotImplementedException("N/A at this point.");
}
public virtual void Add(ISOComponent component)
{
throw new NotImplementedException("N/A at this point.");
}
public string GetFieldName(ISOComponent component, int fieldNumber)
{
if (_fields != null) {
if (_fields[fieldNumber] is ISOFieldEncoder) {
return ((ISOFieldEncoder)_fields[fieldNumber]).Name;
}
}
return string.Empty;
}