How to use

addHeader

method

in

org.jclouds.http.HttpRequest

//runnable inside the httpclient's implementation of 'exec'
 public void run() {
   int httprc = 999;
   CloseableHttpClient httpClient = HttpClients.custom()
       .setConnectionManager(YourConnectionMgr.getInstance())
       .addInterceptorLast(new HttpRequestInterceptor() {
         public void process(
             final HttpRequest request, 
             final HttpContext context) throws HttpException, IOException { 
             if(request.getRequestLine().getMethod() == "GET"){                                                                                                  
                 request.addHeader("X-Parse-Application-Id", ParseApplication.key_appId);
                 request.addHeader("X-Parse-REST-API-Key", ParseApplication.key_rest);
                 request.addHeader("X-Parse-Session-Token",prefs.getString("default_parse_user_token", ""));
               }
         }
       })
       .build();   
   try {                       
     HttpResponse response = null;
     switch (method) {
     case GET:
       HttpGet httpGet = new HttpGet(url);
       httpGet.setProtocolVersion(new ProtocolVersion("HTTP", 1,1));
       httpGet.setConfig(this.config);
       response = httpClient.execute(httpGet, context);
       break; }
   } catch (Exception e) {
     handler.sendMessage(Message.obtain(handler,
         HttpConnection.DID_ERROR, e));
   }

  request.addHeader(HTTP.CONTENT_LEN, "0");
  return;
    throw new ProtocolException( "Chunked transfer encoding not allowed for " + ver);
  request.addHeader(HTTP.TRANSFER_ENCODING, HTTP.CHUNK_CODING);
} else {
  request.addHeader(HTTP.CONTENT_LEN, Long.toString(entity.getContentLength()));
  request.addHeader(entity.getContentType()); 
 request.addHeader(entity.getContentEncoding()); 

request.addHeader("Cookie", cookieHeaderValue);