public HttpResponse call() throws Exception {

      HttpResponse response = null;
      for (; ; ) {
        HttpRequest request = command.getCurrentRequest();
        Q nativeRequest = null;
        try {
          for (HttpRequestFilter filter : request.getFilters()) {
            request = filter.filter(request);
          }
          checkRequestHasContentLengthOrChunkedEncoding(
              request,
              "After filtering, the request has neither chunked encoding nor content length: "
                  + request);
          logger.debug("Sending request %s: %s", request.hashCode(), request.getRequestLine());
          wirePayloadIfEnabled(wire, request);
          utils.logRequest(headerLog, request, ">>");
          nativeRequest = convert(request);
          response = invoke(nativeRequest);

          logger.debug("Receiving response %s: %s", request.hashCode(), response.getStatusLine());
          utils.logResponse(headerLog, response, "<<");
          if (response.getPayload() != null && wire.enabled()) wire.input(response);
          int statusCode = response.getStatusCode();
          if (statusCode >= 300) {
            if (shouldContinue(response)) continue;
            else break;
          } else {
            break;
          }
        } catch (Exception e) {
          IOException ioe = Throwables2.getFirstThrowableOfType(e, IOException.class);
          if (ioe != null) {
            if (ioe instanceof SSLException) {
              command.setException(
                  new AuthorizationException(
                      e.getMessage()
                          + " connecting to "
                          + command.getCurrentRequest().getRequestLine(),
                      e));
              break;
            } else if (ioRetryHandler.shouldRetryRequest(command, ioe)) {
              continue;
            }
          }
          command.setException(
              new HttpResponseException(
                  e.getMessage() + " connecting to " + command.getCurrentRequest().getRequestLine(),
                  command,
                  null,
                  e));
          break;
        } finally {
          cleanup(nativeRequest);
        }
      }
      if (command.getException() != null) throw command.getException();
      return response;
    }
示例#2
0
 public static void wirePayloadIfEnabled(Wire wire, HttpMessage request) {
   if (request.getPayload() != null && wire.enabled()) {
     wire.output(request);
     checkRequestHasContentLengthOrChunkedEncoding(
         request,
         "After wiring, the request has neither chunked encoding nor content length: " + request);
   }
 }
 @Override
 public Future<HttpResponse> submit(HttpCommand command) {
   HttpRequest request = command.getCurrentRequest();
   checkRequestHasContentLengthOrChunkedEncoding(
       request,
       "if the request has a payload, it must be set to chunked encoding or specify a content length: "
           + request);
   return ioWorkerExecutor.submit(new HttpResponseCallable(command));
 }