113 lines
4.5 KiB
Java
113 lines
4.5 KiB
Java
package com.solab.iso8583.parse;
|
|
|
|
import com.solab.iso8583.CustomBinaryField;
|
|
import com.solab.iso8583.CustomField;
|
|
import com.solab.iso8583.IsoType;
|
|
import com.solab.iso8583.IsoValue;
|
|
import com.solab.iso8583.util.HexCodec;
|
|
|
|
import java.io.UnsupportedEncodingException;
|
|
import java.text.ParseException;
|
|
|
|
/**
|
|
* Blabla.
|
|
*
|
|
* @author Enrique Zamudio
|
|
* Date: 19/02/15 18:29
|
|
*/
|
|
public class LlllbinParseInfo extends FieldParseInfo {
|
|
|
|
|
|
public LlllbinParseInfo() {
|
|
super(IsoType.LLLLBIN, 0);
|
|
}
|
|
|
|
@Override
|
|
public <T> IsoValue<?> parse(final int field, final byte[] buf,
|
|
final int pos, final CustomField<T> custom)
|
|
throws ParseException, UnsupportedEncodingException {
|
|
if (pos < 0) {
|
|
throw new ParseException(String.format("Invalid LLLLBIN field %d pos %d",
|
|
field, pos), pos);
|
|
} else if (pos+4 > buf.length) {
|
|
throw new ParseException(String.format("Insufficient LLLLBIN header field %d",
|
|
field), pos);
|
|
}
|
|
final int l = decodeLength(buf, pos, 4);
|
|
if (l < 0) {
|
|
throw new ParseException(String.format("Invalid LLLLBIN length %d field %d pos %d",
|
|
l, field, pos), pos);
|
|
} else if (l+pos+4 > buf.length) {
|
|
throw new ParseException(String.format(
|
|
"Insufficient data for LLLLBIN field %d, pos %d", field, pos), pos);
|
|
}
|
|
byte[] binval = l == 0 ? new byte[0] : HexCodec.hexDecode(new String(buf, pos + 4, l));
|
|
if (custom == null) {
|
|
return new IsoValue<>(type, binval, binval.length, null);
|
|
} else if (custom instanceof CustomBinaryField) {
|
|
try {
|
|
T dec = ((CustomBinaryField<T>)custom).decodeBinaryField(
|
|
buf, pos + 4, l);
|
|
return dec == null ? new IsoValue<>(type, binval, binval.length, null) :
|
|
new IsoValue<>(type, dec, 0, custom);
|
|
} catch (IndexOutOfBoundsException ex) {
|
|
throw new ParseException(String.format(
|
|
"Insufficient data for LLLLBIN field %d, pos %d", field, pos), pos);
|
|
}
|
|
} else {
|
|
try {
|
|
T dec = custom.decodeField(
|
|
l == 0 ? "" : new String(buf, pos + 4, l));
|
|
return dec == null ? new IsoValue<>(type, binval, binval.length, null) :
|
|
new IsoValue<>(type, dec, l, custom);
|
|
} catch (IndexOutOfBoundsException ex) {
|
|
throw new ParseException(String.format(
|
|
"Insufficient data for LLLLBIN field %d, pos %d", field, pos), pos);
|
|
}
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public <T> IsoValue<?> parseBinary(final int field, final byte[] buf,
|
|
final int pos, final CustomField<T> custom)
|
|
throws ParseException {
|
|
if (pos < 0) {
|
|
throw new ParseException(String.format("Invalid bin LLLLBIN field %d pos %d",
|
|
field, pos), pos);
|
|
} else if (pos+2 > buf.length) {
|
|
throw new ParseException(String.format("Insufficient LLLLBIN header field %d",
|
|
field), pos);
|
|
}
|
|
final int l = ((buf[pos] & 0xf0) * 1000) + ((buf[pos] & 0x0f) * 100)
|
|
+ (((buf[pos + 1] & 0xf0) >> 4) * 10) + (buf[pos + 1] & 0x0f);
|
|
if (l < 0) {
|
|
throw new ParseException(String.format("Invalid LLLLBIN length %d field %d pos %d",
|
|
l, field, pos), pos);
|
|
}
|
|
if (l+pos+2 > buf.length) {
|
|
throw new ParseException(String.format(
|
|
"Insufficient data for bin LLLLBIN field %d, pos %d requires %d, only %d available",
|
|
field, pos, l, buf.length-pos+1), pos);
|
|
}
|
|
byte[] _v = new byte[l];
|
|
System.arraycopy(buf, pos+2, _v, 0, l);
|
|
if (custom == null) {
|
|
return new IsoValue<>(type, _v, null);
|
|
} else if (custom instanceof CustomBinaryField) {
|
|
try {
|
|
T dec = ((CustomBinaryField<T>)custom).decodeBinaryField(
|
|
buf, pos + 2, l);
|
|
return dec == null ? new IsoValue<>(type, _v, _v.length, null) :
|
|
new IsoValue<T>(type, dec, l, custom);
|
|
} catch (IndexOutOfBoundsException ex) {
|
|
throw new ParseException(String.format(
|
|
"Insufficient data for LLLLBIN field %d, pos %d", field, pos), pos);
|
|
}
|
|
} else {
|
|
T dec = custom.decodeField(HexCodec.hexEncode(_v, 0, _v.length));
|
|
return dec == null ? new IsoValue<>(type, _v, null) :
|
|
new IsoValue<>(type, dec, custom);
|
|
}
|
|
}
|
|
}
|