code: public void setProxy(Proxy proxy)
      {
          if(proxy != null)
          {
              java.net.Proxy p = new java.net.Proxy(java.net.Proxy.Type.HTTP,
                      new InetSocketAddress(proxy.getHost(), proxy.getPort()));
              client.setProxy(p);
          }
          else
              client.setProxy(java.net.Proxy.NO_PROXY);
      }
docs: Set the proxy configuration to use for this client.
  @param proxy The proxy configuration