public String toString() {
        String ret = proto + ":" + server + "[" + endpoint;
        if (options != null) {
            Iterator iter = options.keySet().iterator();
            while (iter.hasNext()) {
                Object key = iter.next();
                Object val = options.get(key);
                ret += "," + key + "=" + val;
            }
        }
        ret += "]";
        return ret;
    }

    @Override
    public String toString () {
        String ret = this.proto + ":" + this.server + "[" + this.endpoint;
        if ( this.options != null ) {
            for ( Entry<String, Object> entry : this.options.entrySet() ) {
                ret += "," + entry.getKey() + "=" + entry.getValue();
            }
        }
        ret += "]";
        return ret;
    }