Java method to print http headers to console

ctrladdc

于 2008-12-10 18:01:00 发布

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 public static void printHttpHeaders(String host, int port)
       throws UnknownHostException, IOException {
     Socket socket = new Socket(host, port);
     StringBuffer request = new StringBuffer();
     request.append("GET / HTTP/1.1/r/n");
     request.append("User-Agent: RetrieveHTTPHeaders/0.1/r/n");
     request.append("Accept: */*/r/n");
     request.append("Host: ");
     request.append(host);
     request.append("/r/n");
     request.append("Connection: close/r/n");
     request.append("Accept-Encoding: *");
     request.append("/r/n/r/n");
     BufferedOutputStream bufferedOutputStream = new BufferedOutputStream(
         socket.getOutputStream());
     bufferedOutputStream.write(request.toString().getBytes());
     bufferedOutputStream.flush();
     BufferedReader bufferedReader = new BufferedReader(
         new InputStreamReader(socket.getInputStream()));
     StringBuffer content = new StringBuffer();
     String line = bufferedReader.readLine();
     while (null != line && !"".equals(line)) {
       System.out.println(line);
       line = bufferedReader.readLine();
     }
     socket.close();
   }