org.springframework.http.converter.FormHttpMessageConverter#org.springframework.util.MultiValueMap源码实例Demo

Channel openIm(User user) throws SlackClientException {
    Preconditions.checkNotNull(user.getId());

    MultiValueMap<String, Object> payload = getBasePayloadMapWithAuthToken();
    payload.add("user", user.getId());
    payload.add("return_im", "true");

    HttpEntity<MultiValueMap<String, Object>> httpEntity = getHttpEntityForPayload(payload);

    ImOpenResponse imOpenResponse = restTemplate.postForObject(getUrl(API_IM_OPEN), httpEntity, ImOpenResponse.class);

    if (!imOpenResponse.getOk()) {
        String msg = MessageFormat.format("Cannot open instant message: {0}", imOpenResponse.getError());
        logger.debug(msg);
        throw new SlackClientException(msg);
    }

    return imOpenResponse.getChannel();
}
 

@Test
public void execDifferentCall() {
	String requestId1 = "execDiffrentCall_:"+UUID.randomUUID();
	String requestId2 = "execDiffrentCall_:"+UUID.randomUUID();

	MultiValueMap<String, String> headers = new LinkedMultiValueMap<String, String>();
	headers.add(Constants.REQ_IDEM_ID, requestId1);
	headers.add("Content-Type", "application/json");
	HttpEntity requests = new HttpEntity(headers);
	
	ResponseEntity<String> response = restTemplate.exchange(REQ_URL, HttpMethod.GET, requests,
			String.class);
	String reponse1 = response.getBody();
	
	MultiValueMap<String, String> headers2 = new LinkedMultiValueMap<String, String>();
	headers.add(Constants.REQ_IDEM_ID, requestId2);
	headers.add("Content-Type", "application/json");
	HttpEntity requests2 = new HttpEntity(headers2);
	
	ResponseEntity<String> response2 = restTemplate.exchange(REQ_URL, HttpMethod.GET, requests2,
			String.class);
	String reponse2 = response2.getBody();
	System.out.println(reponse1 + "\n" + reponse2);
	Assert.assertNotEquals("The different result", reponse1, reponse2);
}
 

@Test
public void multipartFileResource() throws IOException {
	String name = "file";
	String disposition = "form-data; name=\"" + name + "\"; filename=\"myFile.txt\"";
	StandardMultipartHttpServletRequest request = requestWithPart(name, disposition, "myBody");
	MultipartFile multipartFile = request.getFile(name);

	assertNotNull(multipartFile);

	MultiValueMap<String, Object> map = new LinkedMultiValueMap<>();
	map.add(name, multipartFile.getResource());

	MockHttpOutputMessage output = new MockHttpOutputMessage();
	new FormHttpMessageConverter().write(map, null, output);

	assertThat(output.getBodyAsString(StandardCharsets.UTF_8), containsString(
			"Content-Disposition: form-data; name=\"file\"; filename=\"myFile.txt\"\r\n" +
					"Content-Type: text/plain\r\n" +
					"Content-Length: 6\r\n" +
					"\r\n" +
					"myBody\r\n"));
}
 

@Test
public void givenFooService_whenFormSubmit_thenResourceIsCreated() {
    HttpHeaders headers = new HttpHeaders();
    headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED);

    MultiValueMap<String, String> map= new LinkedMultiValueMap<>();
    map.add("id", "1");

    HttpEntity<MultiValueMap<String, String>> request = new HttpEntity<>(map, headers);

    ResponseEntity<String> response = restTemplate.postForEntity( fooResourceUrl+"/form", request , String.class);

    assertThat(response.getStatusCode(), is(HttpStatus.CREATED));
    final String fooResponse = response.getBody();
    assertThat(fooResponse, notNullValue());
    assertThat(fooResponse, is("1"));
}
 

@Test
public void createWithConnectNativeHeaders() {
	MultiValueMap<String, String> extHeaders = new LinkedMultiValueMap<>();
	extHeaders.add(StompHeaderAccessor.STOMP_LOGIN_HEADER, "joe");
	extHeaders.add(StompHeaderAccessor.STOMP_PASSCODE_HEADER, "joe123");

	StompHeaderAccessor headerAccessor = StompHeaderAccessor.create(StompCommand.CONNECT, extHeaders);

	assertEquals(StompCommand.CONNECT, headerAccessor.getCommand());
	assertEquals(SimpMessageType.CONNECT, headerAccessor.getMessageType());
	assertNotNull(headerAccessor.getHeader("stompCredentials"));
	assertEquals("joe", headerAccessor.getLogin());
	assertEquals("joe123", headerAccessor.getPasscode());
	assertThat(headerAccessor.toString(), CoreMatchers.containsString("passcode=[PROTECTED]"));

	Map<String, List<String>> output = headerAccessor.toNativeHeaderMap();
	assertEquals("joe", output.get(StompHeaderAccessor.STOMP_LOGIN_HEADER).get(0));
	assertEquals("PROTECTED", output.get(StompHeaderAccessor.STOMP_PASSCODE_HEADER).get(0));
}
 

public Map<String, String> getUserInfoFor(OAuth2AccessToken accessToken) {
    RestTemplate restTemplate = new RestTemplate();

    RequestEntity<MultiValueMap<String, String>> requestEntity = new RequestEntity<>(
            getHeader(accessToken),
            HttpMethod.GET,
            URI.create("https://www.googleapis.com/oauth2/v3/userinfo")
    );

    ResponseEntity<Map> result = restTemplate.exchange(
            requestEntity, Map.class);

    if (result.getStatusCode().is2xxSuccessful()) {
        return result.getBody();
    }

    throw new RuntimeException("It wasn't possible to retrieve userInfo");
}
 

/**
 * Encode all URI components using their specific encoding rules and return
 * the result as a new {@code UriComponents} instance.
 * @param encoding the encoding of the values
 * @return the encoded uri components
 * @throws UnsupportedEncodingException if the given encoding is not supported
 */
@Override
public HierarchicalUriComponents encode(String encoding) throws UnsupportedEncodingException {
	if (this.encoded) {
		return this;
	}
	Assert.hasLength(encoding, "Encoding must not be empty");
	String schemeTo = encodeUriComponent(getScheme(), encoding, Type.SCHEME);
	String userInfoTo = encodeUriComponent(this.userInfo, encoding, Type.USER_INFO);
	String hostTo = encodeUriComponent(this.host, encoding, getHostType());
	PathComponent pathTo = this.path.encode(encoding);
	MultiValueMap<String, String> paramsTo = encodeQueryParams(encoding);
	String fragmentTo = encodeUriComponent(getFragment(), encoding, Type.FRAGMENT);
	return new HierarchicalUriComponents(schemeTo, userInfoTo, hostTo, this.port,
			pathTo, paramsTo, fragmentTo, true, false);
}
 

@GetMapping(path = Mapping.URL_WORKBASKET)
@Transactional(readOnly = true, rollbackFor = Exception.class)
public ResponseEntity<TaskanaPagedModel<WorkbasketSummaryRepresentationModel>> getWorkbaskets(
    @RequestParam MultiValueMap<String, String> params) throws InvalidArgumentException {
  if (LOGGER.isDebugEnabled()) {
    LOGGER.debug("Entry to getWorkbaskets(params= {})", params);
  }

  WorkbasketQuery query = workbasketService.createWorkbasketQuery();
  query = applySortingParams(query, params);
  applyFilterParams(query, params);

  PageMetadata pageMetadata = getPageMetadata(params, query);
  List<WorkbasketSummary> workbasketSummaries = getQueryList(query, pageMetadata);
  TaskanaPagedModel<WorkbasketSummaryRepresentationModel> pagedModels =
      workbasketSummaryRepresentationModelAssembler.toPageModel(
          workbasketSummaries, pageMetadata);

  ResponseEntity<TaskanaPagedModel<WorkbasketSummaryRepresentationModel>> response =
      ResponseEntity.ok(pagedModels);
  if (LOGGER.isDebugEnabled()) {
    LOGGER.debug("Exit from getWorkbaskets(), returning {}", response);
  }

  return response;
}
 

@Test
public void handshakeHandlerAndInterceptorWithAllowedOrigins() {
	WebMvcStompWebSocketEndpointRegistration registration =
			new WebMvcStompWebSocketEndpointRegistration(new String[] {"/foo"}, this.handler, this.scheduler);

	DefaultHandshakeHandler handshakeHandler = new DefaultHandshakeHandler();
	HttpSessionHandshakeInterceptor interceptor = new HttpSessionHandshakeInterceptor();
	String origin = "https://mydomain.com";
	registration.setHandshakeHandler(handshakeHandler).addInterceptors(interceptor).setAllowedOrigins(origin);

	MultiValueMap<HttpRequestHandler, String> mappings = registration.getMappings();
	assertEquals(1, mappings.size());

	Map.Entry<HttpRequestHandler, List<String>> entry = mappings.entrySet().iterator().next();
	assertEquals(Arrays.asList("/foo"), entry.getValue());

	WebSocketHttpRequestHandler requestHandler = (WebSocketHttpRequestHandler) entry.getKey();
	assertNotNull(requestHandler.getWebSocketHandler());
	assertSame(handshakeHandler, requestHandler.getHandshakeHandler());
	assertEquals(2, requestHandler.getHandshakeInterceptors().size());
	assertEquals(interceptor, requestHandler.getHandshakeInterceptors().get(0));
	assertEquals(OriginHandshakeInterceptor.class, requestHandler.getHandshakeInterceptors().get(1).getClass());
}
 

@Test
public void canRead() {
	assertTrue(this.reader.canRead(
			forClassWithGenerics(MultiValueMap.class, String.class, Part.class),
			MediaType.MULTIPART_FORM_DATA));

	assertFalse(this.reader.canRead(
			forClassWithGenerics(MultiValueMap.class, String.class, Object.class),
			MediaType.MULTIPART_FORM_DATA));

	assertFalse(this.reader.canRead(
			forClassWithGenerics(MultiValueMap.class, String.class, String.class),
			MediaType.MULTIPART_FORM_DATA));

	assertFalse(this.reader.canRead(
			forClassWithGenerics(Map.class, String.class, String.class),
			MediaType.MULTIPART_FORM_DATA));

	assertFalse(this.reader.canRead(
			forClassWithGenerics(MultiValueMap.class, String.class, Part.class),
			MediaType.APPLICATION_FORM_URLENCODED));
}
 

/**
 * Get the annotation attributes of <strong>all</strong> annotations of
 * the specified {@code annotationName} in the annotation hierarchy above
 * the supplied {@link AnnotatedElement} and store the results in a
 * {@link MultiValueMap}.
 * <p>Note: in contrast to {@link #getMergedAnnotationAttributes(AnnotatedElement, String)},
 * this method does <em>not</em> support attribute overrides.
 * <p>This method follows <em>get semantics</em> as described in the
 * {@linkplain AnnotatedElementUtils class-level javadoc}.
 * @param element the annotated element
 * @param annotationName the fully qualified class name of the annotation type to find
 * @param classValuesAsString whether to convert Class references into Strings or to
 * preserve them as Class references
 * @param nestedAnnotationsAsMap whether to convert nested Annotation instances into
 * {@code AnnotationAttributes} maps or to preserve them as Annotation instances
 * @return a {@link MultiValueMap} keyed by attribute name, containing the annotation
 * attributes from all annotations found, or {@code null} if not found
 */
public static MultiValueMap<String, Object> getAllAnnotationAttributes(AnnotatedElement element,
		String annotationName, final boolean classValuesAsString, final boolean nestedAnnotationsAsMap) {

	final MultiValueMap<String, Object> attributesMap = new LinkedMultiValueMap<String, Object>();

	searchWithGetSemantics(element, null, annotationName, new SimpleAnnotationProcessor<Object>() {
		@Override
		public Object process(AnnotatedElement annotatedElement, Annotation annotation, int metaDepth) {
			AnnotationAttributes annotationAttributes = AnnotationUtils.getAnnotationAttributes(
					annotation, classValuesAsString, nestedAnnotationsAsMap);
			for (Map.Entry<String, Object> entry : annotationAttributes.entrySet()) {
				attributesMap.add(entry.getKey(), entry.getValue());
			}
			return CONTINUE;
		}
	});

	return (!attributesMap.isEmpty() ? attributesMap : null);
}
 

/**
 * Gets the HTTP request entity encapsulating the headers and body of the HTTP message.  The body of the HTTP request
 * message will consist of an URL encoded application form (a mapping of key-value pairs) for POST/PUT HTTP requests.
 * <p/>
 * @return an HttpEntity with the headers and body for the HTTP request message.
 * @see #getParameters()
 * @see org.springframework.http.HttpEntity
 * @see org.springframework.http.HttpHeaders
 */
public HttpEntity<?> createRequestEntity() {
  if (isPost() || isPut()) {
    // NOTE HTTP request parameters take precedence over HTTP message body content/media
    if (!getParameters().isEmpty()) {
      getHeaders().setContentType(determineContentType(MediaType.APPLICATION_FORM_URLENCODED));
      return new HttpEntity<MultiValueMap<String, Object>>(getParameters(), getHeaders());
    }
    else {
      // NOTE the HTTP "Content-Type" header will be determined and set by the appropriate HttpMessageConverter
      // based on the Class type of the "content".
      return new HttpEntity<Object>(getContent(), getHeaders());
    }
  }
  else {
    return new HttpEntity<Object>(getHeaders());
  }
}
 

@Override
protected void doFilterInternal(final HttpServletRequest request, HttpServletResponse response,
		FilterChain filterChain) throws ServletException, IOException {

	if (("PUT".equals(request.getMethod()) || "PATCH".equals(request.getMethod())) && isFormContentType(request)) {
		HttpInputMessage inputMessage = new ServletServerHttpRequest(request) {
			@Override
			public InputStream getBody() throws IOException {
				return request.getInputStream();
			}
		};
		MultiValueMap<String, String> formParameters = formConverter.read(null, inputMessage);
		HttpServletRequest wrapper = new HttpPutFormContentRequestWrapper(request, formParameters);
		filterChain.doFilter(wrapper, response);
	}
	else {
		filterChain.doFilter(request, response);
	}
}
 

private boolean validateBeforeFinish(HttpServletRequest request, String sessionMapID) {
SessionMap<String, Object> sessionMap = getSessionMap(request);
Long sessionId = (Long) sessionMap.get(AttributeNames.PARAM_TOOL_SESSION_ID);

HttpSession ss = SessionManager.getSession();
UserDTO user = (UserDTO) ss.getAttribute(AttributeNames.USER);
Long userID = user.getUserID().longValue();

int numberCompletedTasks = taskListService.getNumTasksCompletedByUser(sessionId, userID);
int minimumNumberTasks = taskListService.getTaskListBySessionId(sessionId).getMinimumNumberTasks();
// if current user view less than reqired view count number, then just return error message.
if ((minimumNumberTasks - numberCompletedTasks) > 0) {
    MultiValueMap<String, String> errorMap = new LinkedMultiValueMap<>();
    errorMap.add("GLOBAL", messageService.getMessage("lable.learning.minimum.view.number"));
    request.setAttribute("errorMap", errorMap);
    return false;
}

return true;
   }
 

@Override
public OAuth2Authentication loadAuthentication(final String accessToken)
    throws AuthenticationException, InvalidTokenException {

  final MultiValueMap<String, String> formData = new LinkedMultiValueMap<>();
  formData.add(tokenName, accessToken);

  final HttpHeaders headers = new HttpHeaders();
  String req = "";
  try {
    req = checkTokenEndpointUrl + "?access_token=" + URLEncoder.encode(accessToken, "UTF-8");
  } catch (final UnsupportedEncodingException e) {
    logger.error("Unsupported encoding", e);
  }

  final Map<String, Object> map = getForMap(req, formData, headers);

  if (map.containsKey("error")) {
    logger.debug("check_token returned error: " + map.get("error"));
    throw new InvalidTokenException(accessToken);
  }

  return tokenConverter.extractAuthentication(map);
}
 

@Test
public void ableToPostDate() throws Exception {
  ZonedDateTime date = ZonedDateTime.now().truncatedTo(SECONDS);
  MultiValueMap<String, String> body = new LinkedMultiValueMap<>();
  body.add("date", RestObjectMapperFactory.getRestObjectMapper().convertToString(Date.from(date.toInstant())));

  HttpHeaders headers = new HttpHeaders();
  headers.add(CONTENT_TYPE, APPLICATION_FORM_URLENCODED_VALUE);

  int seconds = 1;
  Date result = restTemplate.postForObject(codeFirstUrl + "addDate?seconds={seconds}",
      new HttpEntity<>(body, headers),
      Date.class,
      seconds);

  assertThat(result, is(Date.from(date.plusSeconds(seconds).toInstant())));

  ListenableFuture<ResponseEntity<Date>> listenableFuture = asyncRestTemplate
      .postForEntity(codeFirstUrl + "addDate?seconds={seconds}",
          new HttpEntity<>(body, headers),
          Date.class,
          seconds);
  ResponseEntity<Date> dateResponseEntity = listenableFuture.get();
  assertThat(dateResponseEntity.getBody(), is(Date.from(date.plusSeconds(seconds).toInstant())));
}
 

@Test
public void retrieveToken_setsUsername() throws OAuth2ServiceException {
	cut.retrieveAccessTokenViaPasswordGrant(tokenEndpoint, clientCredentials,
			username, password, null, null);

	ArgumentCaptor<HttpEntity<MultiValueMap<String, String>>> requestEntityCaptor = captureRequestEntity();

	assertThat(valueOfParameter(USERNAME, requestEntityCaptor)).isEqualTo(username);
}
 

/**
 * Expose URI template variables, matrix variables, and producible media types in the request.
 * @see HandlerMapping#URI_TEMPLATE_VARIABLES_ATTRIBUTE
 * @see HandlerMapping#MATRIX_VARIABLES_ATTRIBUTE
 * @see HandlerMapping#PRODUCIBLE_MEDIA_TYPES_ATTRIBUTE
 */
@Override
protected void handleMatch(RequestMappingInfo info, HandlerMethod handlerMethod,
		ServerWebExchange exchange) {

	super.handleMatch(info, handlerMethod, exchange);

	PathContainer lookupPath = exchange.getRequest().getPath().pathWithinApplication();

	PathPattern bestPattern;
	Map<String, String> uriVariables;
	Map<String, MultiValueMap<String, String>> matrixVariables;

	Set<PathPattern> patterns = info.getPatternsCondition().getPatterns();
	if (patterns.isEmpty()) {
		bestPattern = getPathPatternParser().parse(lookupPath.value());
		uriVariables = Collections.emptyMap();
		matrixVariables = Collections.emptyMap();
	}
	else {
		bestPattern = patterns.iterator().next();
		PathPattern.PathMatchInfo result = bestPattern.matchAndExtract(lookupPath);
		Assert.notNull(result, () ->
				"Expected bestPattern: " + bestPattern + " to match lookupPath " + lookupPath);
		uriVariables = result.getUriVariables();
		matrixVariables = result.getMatrixVariables();
	}

	exchange.getAttributes().put(BEST_MATCHING_HANDLER_ATTRIBUTE, handlerMethod);
	exchange.getAttributes().put(BEST_MATCHING_PATTERN_ATTRIBUTE, bestPattern);
	exchange.getAttributes().put(URI_TEMPLATE_VARIABLES_ATTRIBUTE, uriVariables);
	exchange.getAttributes().put(MATRIX_VARIABLES_ATTRIBUTE, matrixVariables);

	if (!info.getProducesCondition().getProducibleMediaTypes().isEmpty()) {
		Set<MediaType> mediaTypes = info.getProducesCondition().getProducibleMediaTypes();
		exchange.getAttributes().put(PRODUCIBLE_MEDIA_TYPES_ATTRIBUTE, mediaTypes);
	}
}
 

@Test  // SPR-12283
public void disableCorsWithSockJsService() {
	WebMvcStompWebSocketEndpointRegistration registration =
			new WebMvcStompWebSocketEndpointRegistration(new String[] {"/foo"}, this.handler, this.scheduler);

	registration.withSockJS().setSupressCors(true);

	MultiValueMap<HttpRequestHandler, String> mappings = registration.getMappings();
	assertEquals(1, mappings.size());
	SockJsHttpRequestHandler requestHandler = (SockJsHttpRequestHandler)mappings.entrySet().iterator().next().getKey();
	assertNotNull(requestHandler.getSockJsService());
	DefaultSockJsService sockJsService = (DefaultSockJsService)requestHandler.getSockJsService();
	assertTrue(sockJsService.shouldSuppressCors());
}
 

/**
 * {@code GET  /audits} : get a page of {@link AuditEvent} between the {@code fromDate} and {@code toDate}.
 *
 * @param fromDate the start of the time period of {@link AuditEvent} to get.
 * @param toDate the end of the time period of {@link AuditEvent} to get.
 * @param pageable the pagination information.
 * @return the {@link ResponseEntity} with status {@code 200 (OK)} and the list of {@link AuditEvent} in body.
 */
@GetMapping(params = {"fromDate", "toDate"})
public ResponseEntity<List<AuditEvent>> getByDates(
    @RequestParam(value = "fromDate") LocalDate fromDate,
    @RequestParam(value = "toDate") LocalDate toDate,
    @RequestParam MultiValueMap<String, String> queryParams, UriComponentsBuilder uriBuilder,
    Pageable pageable) {

    Page<AuditEvent> page = auditEventService.findByDates(
        fromDate.atStartOfDay(ZoneId.systemDefault()).toInstant(),
        toDate.atStartOfDay(ZoneId.systemDefault()).plusDays(1).toInstant(),
        pageable);
    HttpHeaders headers = PaginationUtil.generatePaginationHttpHeaders(uriBuilder.queryParams(queryParams), page);
    return new ResponseEntity<>(page.getContent(), headers, HttpStatus.OK);
}
 

private URI getUrlToUse() {
	MultiValueMap<String, String> params =
			this.queryParamsBuilder.buildAndExpand().encode().getQueryParams();

	if (!params.isEmpty()) {
		return UriComponentsBuilder.fromUri(this.url).queryParams(params).build(true).toUri();
	}

	return this.url;
}
 

@Override
public void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams) {
    if (username == null && password == null) {
        return;
    }
    String str = (username == null ? "" : username) + ":" + (password == null ? "" : password);
    headerParams.add(HttpHeaders.AUTHORIZATION, "Basic " + Base64Utils.encodeToString(str.getBytes(StandardCharsets.UTF_8)));
}
 

/**
 * Add a new pet to the store
 *
 * <p><b>405</b> - Invalid input
 * @param body Pet object that needs to be added to the store (required)
 * @return ResponseEntity&lt;Void&gt;
 * @throws RestClientException if an error occurs while attempting to invoke the API
 */
public ResponseEntity<Void> addPetWithHttpInfo(Pet body) throws RestClientException {
    Object postBody = body;

    // verify the required parameter 'body' is set
    if (body == null) {
        throw new HttpClientErrorException(HttpStatus.BAD_REQUEST, "Missing the required parameter 'body' when calling addPet");
    }

    String path = apiClient.expandPath("/pet", Collections.<String, Object>emptyMap());

    final MultiValueMap<String, String> queryParams = new LinkedMultiValueMap<String, String>();
    final HttpHeaders headerParams = new HttpHeaders();
    final MultiValueMap<String, String> cookieParams = new LinkedMultiValueMap<String, String>();
    final MultiValueMap formParams = new LinkedMultiValueMap();

    final String[] accepts = { };
    final List<MediaType> accept = apiClient.selectHeaderAccept(accepts);
    final String[] contentTypes = {
        "application/json", "application/xml"
    };
    final MediaType contentType = apiClient.selectHeaderContentType(contentTypes);

    String[] authNames = new String[] { "petstore_auth" };

    ParameterizedTypeReference<Void> returnType = new ParameterizedTypeReference<Void>() {};
    return apiClient.invokeAPI(path, HttpMethod.POST, queryParams, postBody, headerParams, cookieParams, formParams, accept, contentType, authNames, returnType);
}
 

@Test
public void getAllAnnotationAttributesOnJavaxType() {
	MultiValueMap<String, Object> attributes = getAllAnnotationAttributes(
			ParametersAreNonnullByDefault.class, Nonnull.class.getName());
	assertNotNull("Annotation attributes map for @Nonnull on NonNullApi", attributes);
	assertEquals("value for NonNullApi", asList(When.ALWAYS), attributes.get("when"));
}
 

private static <K,V> void copy(MultiValueMap<K,V> src, MultiValueMap<K,V> dst) {
	if (!src.isEmpty()) {
		src.entrySet().stream()
				.filter(entry -> !dst.containsKey(entry.getKey()))
				.forEach(entry -> dst.put(entry.getKey(), entry.getValue()));
	}
}
 

@Override
public Credential fromRequestBody(@NotNull final MultiValueMap<String, String> requestBody) {
    final String username = requestBody.getFirst("username");
    final String password = requestBody.getFirst("password");
    if(username == null || password == null) {
        throw new BadRequestException("Invalid payload. 'username' and 'password' form fields are required.");
    }
    return new UsernamePasswordCredential(requestBody.getFirst("username"), requestBody.getFirst("password"));
}
 

@Override
protected MultiValueMap<String, HttpCookie> initCookies() {
	MultiValueMap<String, HttpCookie> cookies = new LinkedMultiValueMap<>();
	for (String name : this.exchange.getRequestCookies().keySet()) {
		Cookie cookie = this.exchange.getRequestCookies().get(name);
		HttpCookie httpCookie = new HttpCookie(name, cookie.getValue());
		cookies.add(name, httpCookie);
	}
	return cookies;
}
 

@Override
public AccessGrant refreshAccess(String refreshToken, MultiValueMap<String, String> additionalParameters) {

    StringBuilder refreshTokenUrl = new StringBuilder(FebsConstant.WEIXIN_REFRESH_TOKEN_URL);

    refreshTokenUrl.append("?appid=").append(clientId);
    refreshTokenUrl.append("&grant_type=refresh_token");
    refreshTokenUrl.append("&refresh_token=").append(refreshToken);

    return getAccessToken(refreshTokenUrl);
}
 

@Before
public void setup() throws Exception {
	resolver = new RequestHeaderMapMethodArgumentResolver();

	Method method = getClass().getMethod("params", Map.class, MultiValueMap.class, HttpHeaders.class, Map.class);
	paramMap = new SynthesizingMethodParameter(method, 0);
	paramMultiValueMap = new SynthesizingMethodParameter(method, 1);
	paramHttpHeaders = new SynthesizingMethodParameter(method, 2);
	paramUnsupported = new SynthesizingMethodParameter(method, 3);

	request = new MockHttpServletRequest();
	webRequest = new ServletWebRequest(request, new MockHttpServletResponse());
}
 

@GetMapping("/multiValue")
public ResponseEntity<String> multiValue(@RequestHeader MultiValueMap<String, String> headers) {
    headers.forEach((key, value) -> {
        LOG.info(String.format("Header '%s' = %s", key, value.stream().collect(Collectors.joining("|"))));
    });
    
    return new ResponseEntity<String>(String.format("Listed %d headers", headers.size()), HttpStatus.OK);
}