public static void registerSerializerFactory(SerializerFactory factory){
  String method;
synchronized (_factories) {
    method=factory.getSupportedMethod();
    _factories.put(method,factory);
  }
}

public static void registerSerializerFactory ( SerializerFactory factory ) { String method ; synchronized ( _factories ) { method = factory . getSupportedMethod ( ) ; _factories . put ( method , factory ) ; } }
register a serializer factory , keyed by the given method string .
