if(level==null) level= Level.FINEST; // default
final Level lv = level;
com.trilead.ssh2.log.Logger.enabled=true;
com.trilead.ssh2.log.Logger.logger = new DebugLogger() {
private final Logger LOGGER = Logger.getLogger(SCPClient.class.getPackage().getName());
public void log(int level, String className, String message) {
LOGGER.log(lv,className+' '+message);
}
};