private boolean isIncluded(String _host){
    int i=0;
    String hosts=this.host; 
    int hostslen=hosts.length();
    int hostlen=_host.length();
    int j;
    while(i<hostslen){
      j=hosts.indexOf(',', i);
      if(j==-1){
       if(hostlen!=hostslen-i) return false;
       return hosts.regionMatches(true, i, _host, 0, hostlen);
      }
      if(hostlen==(j-i)){
	if(hosts.regionMatches(true, i, _host, 0, hostlen)) return true;
      }
      i=j+1;
    }
    return false;
  }