Map<String, Charset> charsets = Charset.availableCharsets();
Iterator<Charset> iterator = charsets.values().iterator();
while (iterator.hasNext()) {
Charset cs = (Charset) iterator.next();
cboCharsetOfRecv.add(cs.displayName());
cboCharsetOfSend.add(cs.displayName());
// System.out.print(cs.displayName());
// if (cs.isRegistered()) {
// System.out.print(" (registered): ");
// } else {
// System.out.print(" (unregistered): ");