DelegateLogger abstract class

abstract class DelegateLogger implements Logger {

    private Logger delegate;

    public DelegateLogger() {
       this(null);
    }

    public DelegateLogger(Logger delegate) {
        this.delegate = delegate;
    }

    protected void delegateLog(String log){
       if(this.delegate != null) {
           this.delegate.log(log);
        }
    }

}