title: Force a request from HTTPS to HTTP in HttpServlet
body: <p>I have a link working with </p>
  
  <p><code>"https://" and "http://"</code> </p>
  
  <p>before . </p>
  
  <p>When I use htppservlet to  request from a <code>"https://"</code> , 
  I want the response return a <code>"http://"</code> . 
  So the client can view easier. </p>
  
  <p>How can I do ? </p>