code: public void setProxyHostsBlackList(String[] hosts)
      {
          if (hosts == null || hosts.length == 0)
              _proxyHostsBlackList = null;
          else
          {
              _proxyHostsBlackList = new HashSet();
              for (int i = 0; i < hosts.length; i++)
                  if (hosts[i] != null && hosts[i].trim().length() > 0)
                      _proxyHostsBlackList.add(hosts[i]);
          }
      }
docs: Set proxy host black list.
  
  @param hosts Array of hostnames and IPs that are NOT proxied.