Java HttpStatus.SC_REQUEST_TIMEOUT屬性代碼示例

private static WebClientOutput execute(Callable<HttpResponse> action) {
  try {
    HttpResponse response = action.call();
    String content = new BasicResponseHandler().handleResponse(response);
    int statusCode = response.getStatusLine().getStatusCode();
    return new WebClientOutput(statusCode, content, statusCode >= 200 && statusCode <= 299);
  } catch (Exception e) {
    if (isNetworkError(e)) {
      return new WebClientOutput(HttpStatus.SC_REQUEST_TIMEOUT, e.toString(), false, e);
    } else {
      return new WebClientOutput(HttpStatus.SC_BAD_REQUEST, e.toString(), false, e);
    }
  }
}
 

private Boolean shouldRetryCommon(WebClientOutput output) {
  if (output.getStatusCode() == HttpStatus.SC_REQUEST_TIMEOUT ||
      output.getStatusCode() == HttpStatus.SC_SERVICE_UNAVAILABLE ||
      output.getStatusCode() == WebCommon.SC_TOO_MANY_REQUESTS) {
    // Must be Transient Failure
    return true;
  } else if (output.getStatusCode() == HttpStatus.SC_BAD_REQUEST) {
    // Must be NON_TRANSIENT Failure
    return false;
  } else {
    // UNKNOWN Failure
    return null;
  }
}
 

public BackgroundException map(final Throwable failure, final StringBuilder buffer, final int statusCode) {
    switch(statusCode) {
        case HttpStatus.SC_UNAUTHORIZED:
            return new LoginFailureException(buffer.toString(), failure);
        case HttpStatus.SC_PROXY_AUTHENTICATION_REQUIRED:
            return new ProxyLoginFailureException(buffer.toString(), failure);
        case HttpStatus.SC_FORBIDDEN:
        case HttpStatus.SC_NOT_ACCEPTABLE:
            return new AccessDeniedException(buffer.toString(), failure);
        case HttpStatus.SC_CONFLICT:
            return new ConflictException(buffer.toString(), failure);
        case HttpStatus.SC_NOT_FOUND:
        case HttpStatus.SC_GONE:
        case HttpStatus.SC_REQUESTED_RANGE_NOT_SATISFIABLE:
            return new NotfoundException(buffer.toString(), failure);
        case HttpStatus.SC_INSUFFICIENT_SPACE_ON_RESOURCE:
        case HttpStatus.SC_INSUFFICIENT_STORAGE:
        case HttpStatus.SC_PAYMENT_REQUIRED:
            return new QuotaException(buffer.toString(), failure);
        case HttpStatus.SC_UNPROCESSABLE_ENTITY:
        case HttpStatus.SC_BAD_REQUEST:
        case HttpStatus.SC_REQUEST_URI_TOO_LONG:
        case HttpStatus.SC_METHOD_NOT_ALLOWED:
        case HttpStatus.SC_NOT_IMPLEMENTED:
            return new InteroperabilityException(buffer.toString(), failure);
        case HttpStatus.SC_REQUEST_TIMEOUT:
        case HttpStatus.SC_GATEWAY_TIMEOUT:
        case HttpStatus.SC_BAD_GATEWAY:
            return new ConnectionTimeoutException(buffer.toString(), failure);
        case HttpStatus.SC_INTERNAL_SERVER_ERROR:
        case HttpStatus.SC_SERVICE_UNAVAILABLE:
        case 429:
            // Too Many Requests. Rate limiting
        case 509:
            // Bandwidth Limit Exceeded
            return new RetriableAccessDeniedException(buffer.toString(), failure);
        default:
            return new InteroperabilityException(buffer.toString(), failure);
    }
}
 

public void process(final HttpResponse response, final HttpContext context)
        throws HttpException, IOException {
    if (response == null) {
        throw new IllegalArgumentException("HTTP response may not be null");
    }
    if (context == null) {
        throw new IllegalArgumentException("HTTP context may not be null");
    }
    // Always drop connection after certain type of responses
    int status = response.getStatusLine().getStatusCode();
    if (status == HttpStatus.SC_BAD_REQUEST ||
            status == HttpStatus.SC_REQUEST_TIMEOUT ||
            status == HttpStatus.SC_LENGTH_REQUIRED ||
            status == HttpStatus.SC_REQUEST_TOO_LONG ||
            status == HttpStatus.SC_REQUEST_URI_TOO_LONG ||
            status == HttpStatus.SC_SERVICE_UNAVAILABLE ||
            status == HttpStatus.SC_NOT_IMPLEMENTED) {
        response.setHeader(HTTP.CONN_DIRECTIVE, HTTP.CONN_CLOSE);
        return;
    }
    Header explicit = response.getFirstHeader(HTTP.CONN_DIRECTIVE);
    if (explicit != null && HTTP.CONN_CLOSE.equalsIgnoreCase(explicit.getValue())) {
        // Connection persistence explicitly disabled
        return;
    }
    // Always drop connection for HTTP/1.0 responses and below
    // if the content body cannot be correctly delimited
    HttpEntity entity = response.getEntity();
    if (entity != null) {
        ProtocolVersion ver = response.getStatusLine().getProtocolVersion();
        if (entity.getContentLength() < 0 &&
                (!entity.isChunked() || ver.lessEquals(HttpVersion.HTTP_1_0))) {
            response.setHeader(HTTP.CONN_DIRECTIVE, HTTP.CONN_CLOSE);
            return;
        }
    }
    // Drop connection if requested by the client or request was <= 1.0
    HttpRequest request = (HttpRequest)
        context.getAttribute(ExecutionContext.HTTP_REQUEST);
    if (request != null) {
        Header header = request.getFirstHeader(HTTP.CONN_DIRECTIVE);
        if (header != null) {
            response.setHeader(HTTP.CONN_DIRECTIVE, header.getValue());
        } else if (request.getProtocolVersion().lessEquals(HttpVersion.HTTP_1_0)) {
            response.setHeader(HTTP.CONN_DIRECTIVE, HTTP.CONN_CLOSE);
        }
    }
}