public void decode(AsnInputStream aisA) throws ParseException {
// TAG has been decoded already, now, lets get LEN
try {
AsnInputStream ais = aisA.readSequenceStream();
int tag = ais.readTag();
if (tag != Tag.EXTERNAL)
throw new ParseException(
PAbortCauseType.IncorrectTxPortion,
null,
"Error decoding DialogPortion: wrong value of tag, expected EXTERNAL, found: " + tag);
ext.decode(ais);
if (!isAsn() || !isOid()) {
throw new ParseException(
PAbortCauseType.IncorrectTxPortion,
null,
"Error decoding DialogPortion: Oid and Asd parts not found");
}
// Check Oid
if (Arrays.equals(_DIALG_UNI, this.getOidValue())) this.uniDirectional = true;
else if (Arrays.equals(_DIALG_STRUCTURED, this.getOidValue())) this.uniDirectional = false;
else
throw new ParseException(
PAbortCauseType.IncorrectTxPortion,
null,
"Error decoding DialogPortion: bad Oid value");
AsnInputStream loaclAsnIS = new AsnInputStream(ext.getEncodeType());
// now lets get APDU
tag = loaclAsnIS.readTag();
this.dialogAPDU = TcapFactory.createDialogAPDU(loaclAsnIS, tag, isUnidirectional());
} catch (IOException e) {
throw new ParseException(
PAbortCauseType.BadlyFormattedTxPortion,
null,
"IOException when decoding DialogPortion: " + e.getMessage(),
e);
} catch (AsnException e) {
throw new ParseException(
PAbortCauseType.BadlyFormattedTxPortion,
null,
"AsnException when decoding DialogPortion: " + e.getMessage(),
e);
}
}
