HTTP连接信息检测

    void printinfo(HttpConnection c) throws Exception
    {
     System.out.println("***HTTP连接信息***");
      System.out.println("Method="+c.getRequestMethod());
      System.out.println("URL="+c.getURL());
      System.out.println("Protocol="+c.getProtocol());
      System.out.println("Host="+c.getHost());
      System.out.println("File="+c.getFile());
      System.out.println("Port="+c.getPort());
      int rc=c.getResponseCode();
      if(rc!=HttpConnection.HTTP_OK)
       {
       throw new IOException("HTTP response code:"+rc);
       }
      System.out.println("ResponseCode="+rc);
      System.out.println("ResponseMessage="+c.getResponseMessage());
      String key;
      for(int i=0;null!=(key=c.getHeaderFieldKey(i));i++)
      {
          System.out.println(key+"="+c.getHeaderField(i));
      }
      
    }