public synchronized int unpack(ISOComponent c, byte[] b) throws ISOException {
LogEvent evt = new LogEvent(this, "unpack");
try {
if (!(c instanceof ISOMsg)) throw new ISOException("Can't call packager on non Composite");
stk.clear();
InputSource src = new InputSource(new ByteArrayInputStream(b));
reader.parse(src);
if (stk.empty()) throw new ISOException("error parsing");
ISOMsg m = (ISOMsg) c;
m.merge((ISOMsg) stk.pop());
if (logger != null) evt.addMessage(m);
return b.length;
} catch (ISOException e) {
evt.addMessage(e);
throw e;
} catch (IOException e) {
evt.addMessage(e);
throw new ISOException(e.toString());
} catch (SAXException e) {
evt.addMessage(e);
throw new ISOException(e.toString());
} finally {
Logger.log(evt);
}
}
public synchronized void unpack(ISOComponent c, InputStream in) throws ISOException, IOException {
LogEvent evt = new LogEvent(this, "unpack");
try {
if (!(c instanceof ISOMsg)) throw new ISOException("Can't call packager on non Composite");
while (!stk.empty())
// purge from possible previous error
stk.pop();
reader.parse(new InputSource(in));
if (stk.empty()) throw new ISOException("error parsing");
ISOMsg m = (ISOMsg) c;
m.merge((ISOMsg) stk.pop());
if (logger != null) evt.addMessage(m);
} catch (ISOException e) {
evt.addMessage(e);
throw e;
} catch (SAXException e) {
evt.addMessage(e);
throw new ISOException(e.toString());
} finally {
Logger.log(evt);
}
}
public byte[] pack(ISOComponent c) throws ISOException {
LogEvent evt = new LogEvent(this, "pack");
try {
if (!(c instanceof ISOMsg)) throw new ISOException("cannot pack " + c.getClass());
ISOMsg m = (ISOMsg) c;
byte[] b;
synchronized (this) {
m.setDirection(0); // avoid "direction=xxxxxx" in XML msg
m.dump(p, "");
b = out.toByteArray();
out.reset();
}
if (logger != null) evt.addMessage(m);
return b;
} catch (ISOException e) {
evt.addMessage(e);
throw e;
} finally {
Logger.log(evt);
}
}
public void startElement(String ns, String name, String qName, Attributes atts)
throws SAXException {
int fieldNumber = -1;
try {
String id = atts.getValue(ID_ATTR);
if (id != null) {
try {
fieldNumber = Integer.parseInt(id);
} catch (NumberFormatException ex) {
}
}
if (name.equals(ISOMSG_TAG)) {
if (fieldNumber >= 0) {
if (stk.empty()) throw new SAXException("inner without outter");
ISOMsg inner = new ISOMsg(fieldNumber);
((ISOMsg) stk.peek()).set(inner);
stk.push(inner);
} else {
stk.push(new ISOMsg(0));
}
} else if (name.equals(ISOFIELD_TAG)) {
ISOMsg m = (ISOMsg) stk.peek();
String value = atts.getValue(VALUE_ATTR);
String type = atts.getValue(TYPE_ATTR);
if (id == null || value == null) throw new SAXException("invalid field");
if (TYPE_BINARY.equals(type)) {
m.set(
new ISOBinaryField(
fieldNumber, ISOUtil.hex2byte(value.getBytes(), 0, value.length() / 2)));
// m.set(new ISOBinaryField(fieldNumber, value.getBytes()));
} else {
m.set(new ISOField(fieldNumber, value));
}
}
} catch (ISOException e) {
throw new SAXException("ISOException unpacking " + fieldNumber);
}
}
