* Destination for the formatted output. If a is null then a
* StringBuilder will be created.
*/
public PacketFormatter(final Appendable a) {
JNetStreamInitializer.init();
this.platformFormatter = new Formatter(a);
this.out = a;
this.locale = this.platformFormatter.locale();
this.delagate = PacketFormatter.registry.get(
PacketFormatter.DEFAULT_FORMAT_TYPE).newInstance(
this.platformFormatter, this.out, this.locale);