HttpsClient(SSLSocketFactory sf,URL url,String proxyHost,int proxyPort,int connectTimeout) throws IOException {
  this(sf,url,(proxyHost == null ? null : HttpClient.newHttpProxy(proxyHost,proxyPort,"https")),connectTimeout);
}

HttpsClient ( SSLSocketFactory sf , URL url , String proxyHost , int proxyPort , int connectTimeout ) throws IOException { this ( sf , url , ( proxyHost == null ? null : HttpClient . newHttpProxy ( proxyHost , proxyPort , "https" ) ) , connectTimeout ) ; }
create an https client url . traffic will be tunneled through the specified proxy server , with a connect timeout
