Java WebRequest.getHeader方法代碼示例

import org.springframework.web.context.request.WebRequest; //導入方法依賴的package包/類
/**
 * Handles NorthboundException exception.
 *
 * @param exception the NorthboundException instance
 * @param request   the WebRequest caused exception
 * @return the ResponseEntity object instance
 */
@ExceptionHandler(MessageException.class)
protected ResponseEntity<Object> handleMessageException(MessageException exception, WebRequest request) {
    HttpStatus status;

    switch (exception.getErrorType()) {
        case NOT_FOUND:
            status = HttpStatus.NOT_FOUND;
            break;
        case DATA_INVALID:
        case PARAMETERS_INVALID:
            status = HttpStatus.BAD_REQUEST;
            break;
        case ALREADY_EXISTS:
            status = HttpStatus.CONFLICT;
            break;
        case AUTH_FAILED:
            status = HttpStatus.UNAUTHORIZED;
            break;
        case OPERATION_TIMED_OUT:
        case INTERNAL_ERROR:
        default:
            status = HttpStatus.INTERNAL_SERVER_ERROR;
            break;
    }

    MessageError error = new MessageError(request.getHeader(CORRELATION_ID), exception.getTimestamp(),
            exception.getErrorType().toString(), exception.getMessage(), exception.getErrorDescription());
    return super.handleExceptionInternal(exception, error, new HttpHeaders(), status, request);
}
 

import org.springframework.web.context.request.WebRequest; //導入方法依賴的package包/類
/**
 * Handles MessageException exception.
 *
 * @param exception the MessageException instance
 * @param request   the WebRequest caused exception
 * @return the ResponseEntity object instance
 */
@ExceptionHandler(MessageException.class)
protected ResponseEntity<Object> handleMessageException(MessageException exception, WebRequest request) {
    HttpStatus status;

    switch (exception.getErrorType()) {
        case NOT_FOUND:
            status = HttpStatus.NOT_FOUND;
            break;
        case DATA_INVALID:
        case PARAMETERS_INVALID:
            status = HttpStatus.BAD_REQUEST;
            break;
        case ALREADY_EXISTS:
            status = HttpStatus.CONFLICT;
            break;
        case AUTH_FAILED:
            status = HttpStatus.UNAUTHORIZED;
            break;
        case OPERATION_TIMED_OUT:
        case INTERNAL_ERROR:
        default:
            status = HttpStatus.INTERNAL_SERVER_ERROR;
            break;
    }

    MessageError error = new MessageError(request.getHeader(CORRELATION_ID), exception.getTimestamp(),
            status.value(), status.getReasonPhrase(),
            exception.getMessage(), exception.getClass().getSimpleName());
    return super.handleExceptionInternal(exception, error, new HttpHeaders(), status, request);
}
 

import org.springframework.web.context.request.WebRequest; //導入方法依賴的package包/類
/**
 * {@inheritDoc}
 */
@Override
protected ResponseEntity<Object> handleExceptionInternal(Exception exception, Object body, HttpHeaders headers,
                                                         HttpStatus status, WebRequest request) {
    MessageError error = new MessageError(request.getHeader(CORRELATION_ID), System.currentTimeMillis(),
            status.value(), status.getReasonPhrase(),
            exception.getMessage(), exception.getClass().getSimpleName());
    return super.handleExceptionInternal(exception, error, headers, status, request);
}
 

import org.springframework.web.context.request.WebRequest; //導入方法依賴的package包/類
/**
 * {@inheritDoc}
 */
@Override
protected ResponseEntity<Object> handleExceptionInternal(Exception exception, Object body, HttpHeaders headers,
                                                         HttpStatus status, WebRequest request) {
    MessageError error = new MessageError(request.getHeader(CORRELATION_ID), System.currentTimeMillis(),
            ErrorType.REQUEST_INVALID.toString(), exception.getMessage(), exception.getClass().getSimpleName());
    return super.handleExceptionInternal(exception, error, headers, status, request);
}
 

import org.springframework.web.context.request.WebRequest; //導入方法依賴的package包/類
/**
  * Saves the preferences (screen resolution, language..) on the filesystem
  *
  * @param httpResponse
  * @param request
  * @throws Exception
  */
 @RequestMapping(value = "/saveSettings", method = RequestMethod.GET)
 public void saveSettings(HttpServletResponse httpResponse, WebRequest request) throws Exception {
   // "Settings" will be stored in a cookie
   // schema: base64(filename,value1,value2...), md5sum(base64(filename,value1,value2...))

   if (!checkCookie(request)){
     httpResponse.getOutputStream().println("Error");
     throw new Exception("cookie is incorrect");
   }

   String settingsCookie = request.getHeader("Cookie");
   String[] cookie = settingsCookie.split(",");
if(cookie.length<2) {
  httpResponse.getOutputStream().println("Malformed cookie");
     throw new Exception("cookie is incorrect");
   }

   String base64txt = cookie[0].replace("settings=","");

   // Check md5sum
   String cookieMD5sum = cookie[1];
   String calcMD5Sum = DigestUtils.md5Hex(base64txt);
if(!cookieMD5sum.equals(calcMD5Sum))
   {
     httpResponse.getOutputStream().println("Wrong md5");
     throw new Exception("Invalid MD5");
   }

   // Now we can store on filesystem
   String[] settings = new String(Base64.getDecoder().decode(base64txt)).split(",");
// storage will have ClassPathResource as basepath
   ClassPathResource cpr = new ClassPathResource("./static/");
  File file = new File(cpr.getPath()+settings[0]);
   if(!file.exists()) {
     file.getParentFile().mkdirs();
   }

   FileOutputStream fos = new FileOutputStream(file, true);
   // First entry is the filename -> remove it
   String[] settingsArr = Arrays.copyOfRange(settings, 1, settings.length);
   // on setting at a linez
   fos.write(String.join("\n",settingsArr).getBytes());
   fos.write(("\n"+cookie[cookie.length-1]).getBytes());
   fos.close();
   httpResponse.getOutputStream().println("Settings Saved");
 }
 

import org.springframework.web.context.request.WebRequest; //導入方法依賴的package包/類
/**
 * Check if the request is a multipart request (by checking its Content-Type header).
 *
 * @param request request with parameters to bind
 */
private boolean isMultipartRequest(WebRequest request) {
	String contentType = request.getHeader("Content-Type");
	return ((contentType != null) && StringUtils.startsWithIgnoreCase(contentType, "multipart"));
}