protected void writeHeader(ObjectOutput out) throws IOException {
int len = header.getLength();
if (len > 0) {
out.writeByte('H');
out.writeShort(len);
out.write(header.pack());
}
}
public Object clone() {
try {
ISOMsg m = (ISOMsg) super.clone();
m.fields = (TreeMap) ((TreeMap) fields).clone();
if (header != null) m.header = (ISOHeader) header.clone();
Iterator iter = fields.keySet().iterator();
while (iter.hasNext()) {
Integer k = (Integer) iter.next();
ISOComponent c = (ISOComponent) m.fields.get(k);
if (c instanceof ISOMsg) m.fields.put(k, ((ISOMsg) c).clone());
}
return m;
} catch (CloneNotSupportedException e) {
throw new InternalError();
}
}
/**
* get optional message header image
*
* @return message header image (may be null)
*/
public byte[] getHeader() {
return (header != null) ? header.pack() : null;
}