Method open

src/main/java/io/HttpProxyConnection.java:35–62

(String hostAddr, int port, String proxyAddr, int proxyPort, String userName, String userPass)

     private HttpProxyConnection() {}

     public static HttpProxyConnection open(String hostAddr, int port, String proxyAddr, int proxyPort, String userName, String userPass) throws IOException{
         HttpProxyConnection pconn=new HttpProxyConnection();

         pconn.conn = new Socket(proxyAddr, proxyPort);
         pconn.is=pconn.conn.getInputStream();
         pconn.os=pconn.conn.getOutputStream();
         String auth = "Proxy-Authorization: Basic ";
         String req = "";
         if (userName.length()>0 && userPass.length()>0) {
             auth += Strconv.toBase64(userName + ":" + userPass);
             req = "CONNECT " + hostAddr + ":" + port + " HTTP/1.0\r\nHost: " + hostAddr
                 + "\r\n" + auth + "\r\nPragma: no-cache\r\n\r\n";
         } else {

         req= "CONNECT " + hostAddr + ":" + port + " HTTP/1.0\r\nHost: " + hostAddr
                 + "\r\nPragma: no-cache\r\n\r\n";
         }

         pconn.os.write(req.getBytes());

         String inpLine=pconn.readLine();
         if (inpLine.indexOf("200",0)<=0) throw new IOException(inpLine);
         while (inpLine.length()>0) {
             inpLine=pconn.readLine();
         }

         return pconn;
     }

     public String readLine() throws IOException {
 	StringBuffer buf=new StringBuffer();