org.springframework.web.servlet.mvc.condition.RequestMethodsRequestCondition Java Examples

@Override
protected RequestMappingInfo getMappingForMethod(Method method, Class<?> handlerType) {
	RequestMapping annotation = AnnotatedElementUtils.findMergedAnnotation(method, RequestMapping.class);
	if (annotation != null) {
		return new RequestMappingInfo(
				new PatternsRequestCondition(annotation.value(), getUrlPathHelper(), getPathMatcher(), true, true),
				new RequestMethodsRequestCondition(annotation.method()),
				new ParamsRequestCondition(annotation.params()),
				new HeadersRequestCondition(annotation.headers()),
				new ConsumesRequestCondition(annotation.consumes(), annotation.headers()),
				new ProducesRequestCondition(annotation.produces(), annotation.headers()), null);
	}
	else {
		return null;
	}
}
 

/**
 * 获取 所有URL Mapping，返回格式为{"/test":["GET","POST"],"/sys":["GET","DELETE"]}
 *
 * @return {@link ArrayListMultimap} 格式的 URL Mapping
 */
private Multimap<String, String> allUrlMapping() {
    Multimap<String, String> urlMapping = ArrayListMultimap.create();

    // 获取url与类和方法的对应信息
    Map<RequestMappingInfo, HandlerMethod> handlerMethods = mapping.getHandlerMethods();

    handlerMethods.forEach((k, v) -> {
        // 获取当前 key 下的获取所有URL
        Set<String> url = k.getPatternsCondition()
                .getPatterns();
        RequestMethodsRequestCondition method = k.getMethodsCondition();

        // 为每个URL添加所有的请求方法
        url.forEach(s -> urlMapping.putAll(s, method.getMethods()
                .stream()
                .map(Enum::toString)
                .collect(Collectors.toList())));
    });

    return urlMapping;
}
 

@Override
protected RequestMappingInfo getMappingForMethod(Method method, Class<?> handlerType) {
	RequestMapping annotation = AnnotationUtils.findAnnotation(method, RequestMapping.class);
	if (annotation != null) {
		return new RequestMappingInfo(
			new PatternsRequestCondition(annotation.value(), getUrlPathHelper(), getPathMatcher(), true, true),
			new RequestMethodsRequestCondition(annotation.method()),
			new ParamsRequestCondition(annotation.params()),
			new HeadersRequestCondition(annotation.headers()),
			new ConsumesRequestCondition(annotation.consumes(), annotation.headers()),
			new ProducesRequestCondition(annotation.produces(), annotation.headers()), null);
	}
	else {
		return null;
	}
}
 

@Test
public void preFlightRequest() {
	MockHttpServletRequest request = new MockHttpServletRequest("OPTIONS", "/foo");
	request.addHeader(HttpHeaders.ORIGIN, "http://domain.com");
	request.addHeader(HttpHeaders.ACCESS_CONTROL_REQUEST_METHOD, "POST");

	RequestMappingInfo info = new RequestMappingInfo(
			new PatternsRequestCondition("/foo"), new RequestMethodsRequestCondition(RequestMethod.POST), null,
			null, null, null, null);
	RequestMappingInfo match = info.getMatchingCondition(request);
	assertNotNull(match);

	info = new RequestMappingInfo(
			new PatternsRequestCondition("/foo"), new RequestMethodsRequestCondition(RequestMethod.OPTIONS), null,
			null, null, null, null);
	match = info.getMatchingCondition(request);
	assertNotNull(match);
}
 

@Test
public void compareTwoHttpMethodsOneParam() {
	RequestMappingInfo none = new RequestMappingInfo(null, null, null, null, null, null, null);
	RequestMappingInfo oneMethod =
		new RequestMappingInfo(null,
				new RequestMethodsRequestCondition(RequestMethod.GET), null, null, null, null, null);
	RequestMappingInfo oneMethodOneParam =
			new RequestMappingInfo(null,
					new RequestMethodsRequestCondition(RequestMethod.GET),
					new ParamsRequestCondition("foo"), null, null, null, null);

	Comparator<RequestMappingInfo> comparator = new Comparator<RequestMappingInfo>() {
		@Override
		public int compare(RequestMappingInfo info, RequestMappingInfo otherInfo) {
			return info.compareTo(otherInfo, new MockHttpServletRequest());
		}
	};

	List<RequestMappingInfo> list = asList(none, oneMethod, oneMethodOneParam);
	Collections.shuffle(list);
	Collections.sort(list, comparator);

	assertEquals(oneMethodOneParam, list.get(0));
	assertEquals(oneMethod, list.get(1));
	assertEquals(none, list.get(2));
}
 

@Override
protected RequestMappingInfo getMappingForMethod(Method method, Class<?> handlerType) {
	RequestMapping annotation = AnnotatedElementUtils.findMergedAnnotation(method, RequestMapping.class);
	if (annotation != null) {
		return new RequestMappingInfo(
				new PatternsRequestCondition(annotation.value(), getUrlPathHelper(), getPathMatcher(), true, true),
				new RequestMethodsRequestCondition(annotation.method()),
				new ParamsRequestCondition(annotation.params()),
				new HeadersRequestCondition(annotation.headers()),
				new ConsumesRequestCondition(annotation.consumes(), annotation.headers()),
				new ProducesRequestCondition(annotation.produces(), annotation.headers()), null);
	}
	else {
		return null;
	}
}
 

@Override
public RequestMappingInfo build() {
	ContentNegotiationManager manager = this.options.getContentNegotiationManager();

	PatternsRequestCondition patternsCondition = new PatternsRequestCondition(
			this.paths, this.options.getUrlPathHelper(), this.options.getPathMatcher(),
			this.options.useSuffixPatternMatch(), this.options.useTrailingSlashMatch(),
			this.options.getFileExtensions());

	return new RequestMappingInfo(this.mappingName, patternsCondition,
			new RequestMethodsRequestCondition(methods),
			new ParamsRequestCondition(this.params),
			new HeadersRequestCondition(this.headers),
			new ConsumesRequestCondition(this.consumes, this.headers),
			new ProducesRequestCondition(this.produces, this.headers, manager),
			this.customCondition);
}
 

/**
 * 获取 所有URL Mapping，返回格式为{"/test":["GET","POST"],"/sys":["GET","DELETE"]}
 *
 * @return {@link ArrayListMultimap} 格式的 URL Mapping
 */
private Multimap<String, String> allUrlMapping() {
    Multimap<String, String> urlMapping = ArrayListMultimap.create();

    // 获取url与类和方法的对应信息
    Map<RequestMappingInfo, HandlerMethod> handlerMethods = mapping.getHandlerMethods();

    handlerMethods.forEach((k, v) -> {
        // 获取当前 key 下的获取所有URL
        Set<String> url = k.getPatternsCondition()
                .getPatterns();
        RequestMethodsRequestCondition method = k.getMethodsCondition();

        // 为每个URL添加所有的请求方法
        url.forEach(s -> urlMapping.putAll(s, method.getMethods()
                .stream()
                .map(Enum::toString)
                .collect(Collectors.toList())));
    });

    return urlMapping;
}
 

@Override
public RequestMappingInfo build() {
	ContentNegotiationManager manager = this.options.getContentNegotiationManager();

	PatternsRequestCondition patternsCondition = new PatternsRequestCondition(
			this.paths, this.options.getUrlPathHelper(), this.options.getPathMatcher(),
			this.options.useSuffixPatternMatch(), this.options.useTrailingSlashMatch(),
			this.options.getFileExtensions());

	return new RequestMappingInfo(this.mappingName, patternsCondition,
			new RequestMethodsRequestCondition(methods),
			new ParamsRequestCondition(this.params),
			new HeadersRequestCondition(this.headers),
			new ConsumesRequestCondition(this.consumes, this.headers),
			new ProducesRequestCondition(this.produces, this.headers, manager),
			this.customCondition);
}
 

/**
 * Checks if all conditions in this request mapping info match the provided request and returns
 * a potentially new request mapping info with conditions tailored to the current request.
 * <p>For example the returned instance may contain the subset of URL patterns that match to
 * the current request, sorted with best matching patterns on top.
 * @return a new instance in case all conditions match; or {@code null} otherwise
 */
@Override
public RequestMappingInfo getMatchingCondition(HttpServletRequest request) {
	RequestMethodsRequestCondition methods = this.methodsCondition.getMatchingCondition(request);
	ParamsRequestCondition params = this.paramsCondition.getMatchingCondition(request);
	HeadersRequestCondition headers = this.headersCondition.getMatchingCondition(request);
	ConsumesRequestCondition consumes = this.consumesCondition.getMatchingCondition(request);
	ProducesRequestCondition produces = this.producesCondition.getMatchingCondition(request);

	if (methods == null || params == null || headers == null || consumes == null || produces == null) {
		return null;
	}

	PatternsRequestCondition patterns = this.patternsCondition.getMatchingCondition(request);
	if (patterns == null) {
		return null;
	}

	RequestConditionHolder custom = this.customConditionHolder.getMatchingCondition(request);
	if (custom == null) {
		return null;
	}

	return new RequestMappingInfo(this.name, patterns,
			methods, params, headers, consumes, produces, custom.getCondition());
}
 

@Test
public void getTest() {
    RequestMappingHandlerMapping handlerMapping = Mockito.mock(RequestMappingHandlerMapping.class);
    ExposedEndpointsController controller = new ExposedEndpointsController(new Gson(), handlerMapping);

    String endpoint1 = "/api/test";
    String endpoint2 = "/api/other/test";

    Map<RequestMappingInfo, HandlerMethod> handlerMethods = new HashMap<>();
    RequestMappingInfo info = new RequestMappingInfo(new PatternsRequestCondition(endpoint1, endpoint2), new RequestMethodsRequestCondition(RequestMethod.GET, RequestMethod.POST), null, null, null, null, null);
    handlerMethods.put(info, null);

    Mockito.when(handlerMapping.getHandlerMethods()).thenReturn(handlerMethods);

    ResponseEntity<String> responseEntity = controller.get();
    Assertions.assertTrue(StringUtils.isNotBlank(responseEntity.getBody()), "Expected the response body to contain json");
}
 

protected RequestMappingInfo createRequestMappingInfoByApiMethodAnno(RequestMapping requestMapping, RequestCondition<?> customCondition,
                                                                     Method method) {
    String[] patterns = resolveEmbeddedValuesInPatterns(requestMapping.value());
    if (!method.isAnnotationPresent(RequestMapping.class) || CollectionUtil.isEmpty(patterns)) {
        RequestMappingResolveResult methodParsered = RequestMappingResolver.resolveOwnPath(method);
        String path = methodParsered.getPath();
        patterns = new String[] { path };
    }

    return new RequestMappingInfo(
        new PatternsRequestCondition(patterns, getUrlPathHelper(), getPathMatcher(), this.useSuffixPatternMatch, this.useTrailingSlashMatch,
            this.fileExtensions),
        new RequestMethodsRequestCondition(requestMapping.method()), new ParamsRequestCondition(requestMapping.params()),
        new HeadersRequestCondition(requestMapping.headers()), new ConsumesRequestCondition(requestMapping.consumes(), requestMapping.headers()),
        new ProducesRequestCondition(requestMapping.produces(), requestMapping.headers(), this.contentNegotiationManager), customCondition);
}
 

public boolean unregisterApi(String index,String api,String requestMethod){
    check(hasApiRegistered(api,requestMethod),"该api未注册过");

    RequestMappingHandlerMapping requestMappingHandlerMapping = webApplicationContext.getBean(RequestMappingHandlerMapping.class);
    Method targetMethod = ReflectionUtils.findMethod(ApiController.class, getHandlerMethodName(index));

    PatternsRequestCondition patternsRequestCondition = new PatternsRequestCondition(api);
    RequestMethodsRequestCondition requestMethodsRequestCondition = new RequestMethodsRequestCondition(getRequestMethod(requestMethod));
    RequestMappingInfo mapping_info = new RequestMappingInfo(patternsRequestCondition, requestMethodsRequestCondition, null, null, null, null, null);

    requestMappingHandlerMapping.unregisterMapping(mapping_info); // 注销

    if(Constants.requestMappings.containsKey(index)){
        Constants.requestMappings.remove(index);
    }

    return true;
}
 

public ApiBean registerApi(String index,String api,String requestMethod,String msg){
    check(!hasMethodOccupied(index),"该序号已经被占用，请先注销api。");
    check(!hasApiRegistered(api,requestMethod),"该api已经注册过了");

    RequestMappingHandlerMapping requestMappingHandlerMapping = webApplicationContext.getBean(RequestMappingHandlerMapping.class);
    Method targetMethod = ReflectionUtils.findMethod(ApiController.class, getHandlerMethodName(index)); // 找到处理该路由的方法

    PatternsRequestCondition patternsRequestCondition = new PatternsRequestCondition(api);
    RequestMethodsRequestCondition requestMethodsRequestCondition = new RequestMethodsRequestCondition(getRequestMethod(requestMethod));

    RequestMappingInfo mapping_info = new RequestMappingInfo(patternsRequestCondition, requestMethodsRequestCondition, null, null, null, null, null);
    requestMappingHandlerMapping.registerMapping(mapping_info, "apiController", targetMethod); // 注册映射处理

    // 保存注册信息到本地
    ApiBean apiInfo = new ApiBean();
    apiInfo.setApi(api);
    apiInfo.setRequestMethod(requestMethod);
    apiInfo.setMsg(msg);
    Constants.requestMappings.put(index,apiInfo);

    return apiInfo;
}
 

@Override
protected RequestMappingInfo getMappingForMethod(Method method, Class<?> handlerType) {
	RequestMapping annot = AnnotationUtils.findAnnotation(method, RequestMapping.class);
	if (annot != null) {
		return new RequestMappingInfo(
			new PatternsRequestCondition(annot.value(), getUrlPathHelper(), getPathMatcher(), true, true),
			new RequestMethodsRequestCondition(annot.method()),
			new ParamsRequestCondition(annot.params()),
			new HeadersRequestCondition(annot.headers()),
			new ConsumesRequestCondition(annot.consumes(), annot.headers()),
			new ProducesRequestCondition(annot.produces(), annot.headers()), null);
	}
	else {
		return null;
	}
}
 

@Override
public RequestMappingInfo build() {
	ContentNegotiationManager manager = this.options.getContentNegotiationManager();

	PatternsRequestCondition patternsCondition = new PatternsRequestCondition(
			this.paths, this.options.getUrlPathHelper(), this.options.getPathMatcher(),
			this.options.useSuffixPatternMatch(), this.options.useTrailingSlashMatch(),
			this.options.getFileExtensions());

	return new RequestMappingInfo(this.mappingName, patternsCondition,
			new RequestMethodsRequestCondition(this.methods),
			new ParamsRequestCondition(this.params),
			new HeadersRequestCondition(this.headers),
			new ConsumesRequestCondition(this.consumes, this.headers),
			new ProducesRequestCondition(this.produces, this.headers, manager),
			this.customCondition);
}
 

@Override
public RequestMappingInfo build() {
	ContentNegotiationManager manager = this.options.getContentNegotiationManager();

	PatternsRequestCondition patternsCondition = new PatternsRequestCondition(
			this.paths, this.options.getUrlPathHelper(), this.options.getPathMatcher(),
			this.options.useSuffixPatternMatch(), this.options.useTrailingSlashMatch(),
			this.options.getFileExtensions());

	return new RequestMappingInfo(this.mappingName, patternsCondition,
			new RequestMethodsRequestCondition(this.methods),
			new ParamsRequestCondition(this.params),
			new HeadersRequestCondition(this.headers),
			new ConsumesRequestCondition(this.consumes, this.headers),
			new ProducesRequestCondition(this.produces, this.headers, manager),
			this.customCondition);
}
 

@Override
protected RequestMappingInfo getMappingForMethod(Method method, Class<?> handlerType) {
	RequestMapping annot = AnnotationUtils.findAnnotation(method, RequestMapping.class);
	if (annot != null) {
		return new RequestMappingInfo(
			new PatternsRequestCondition(annot.value(), getUrlPathHelper(), getPathMatcher(), true, true),
			new RequestMethodsRequestCondition(annot.method()),
			new ParamsRequestCondition(annot.params()),
			new HeadersRequestCondition(annot.headers()),
			new ConsumesRequestCondition(annot.consumes(), annot.headers()),
			new ProducesRequestCondition(annot.produces(), annot.headers()), null);
	}
	else {
		return null;
	}
}
 

/**
 * 获取 所有URL Mapping，返回格式为{"/test":["GET","POST"],"/sys":["GET","DELETE"]}
 *
 * @return {@link ArrayListMultimap} 格式的 URL Mapping
 */
private Multimap<String, String> allUrlMapping() {
    Multimap<String, String> urlMapping = ArrayListMultimap.create();

    // 获取url与类和方法的对应信息
    Map<RequestMappingInfo, HandlerMethod> handlerMethods = mapping.getHandlerMethods();

    handlerMethods.forEach((k, v) -> {
        // 获取当前 key 下的获取所有URL
        Set<String> url = k.getPatternsCondition()
                .getPatterns();
        RequestMethodsRequestCondition method = k.getMethodsCondition();

        // 为每个URL添加所有的请求方法
        url.forEach(s -> urlMapping.putAll(s, method.getMethods()
                .stream()
                .map(Enum::toString)
                .collect(Collectors.toList())));
    });

    return urlMapping;
}
 

@Override
protected RequestMappingInfo getMappingForMethod(Method method, Class<?> handlerType) {
	RequestMapping annotation = AnnotatedElementUtils.findMergedAnnotation(method, RequestMapping.class);
	if (annotation != null) {
		return new RequestMappingInfo(
				new PatternsRequestCondition(annotation.value(), getUrlPathHelper(), getPathMatcher(), true, true),
				new RequestMethodsRequestCondition(annotation.method()),
				new ParamsRequestCondition(annotation.params()),
				new HeadersRequestCondition(annotation.headers()),
				new ConsumesRequestCondition(annotation.consumes(), annotation.headers()),
				new ProducesRequestCondition(annotation.produces(), annotation.headers()), null);
	}
	else {
		return null;
	}
}
 

public RequestMappingInfo(String name, PatternsRequestCondition patterns, RequestMethodsRequestCondition methods,
		ParamsRequestCondition params, HeadersRequestCondition headers, ConsumesRequestCondition consumes,
		ProducesRequestCondition produces, RequestCondition<?> custom) {

	this.name = (StringUtils.hasText(name) ? name : null);
	this.patternsCondition = (patterns != null ? patterns : new PatternsRequestCondition());
	this.methodsCondition = (methods != null ? methods : new RequestMethodsRequestCondition());
	this.paramsCondition = (params != null ? params : new ParamsRequestCondition());
	this.headersCondition = (headers != null ? headers : new HeadersRequestCondition());
	this.consumesCondition = (consumes != null ? consumes : new ConsumesRequestCondition());
	this.producesCondition = (produces != null ? produces : new ProducesRequestCondition());
	this.customConditionHolder = new RequestConditionHolder(custom);
}
 

/**
 * Creates a new instance with the given request conditions.
 */
public RequestMappingInfo(@Nullable PatternsRequestCondition patterns,
		@Nullable RequestMethodsRequestCondition methods, @Nullable ParamsRequestCondition params,
		@Nullable HeadersRequestCondition headers, @Nullable ConsumesRequestCondition consumes,
		@Nullable ProducesRequestCondition produces, @Nullable RequestCondition<?> custom) {

	this(null, patterns, methods, params, headers, consumes, produces, custom);
}
 

/**
 * Combine "this" request mapping info (i.e. the current instance) with another request mapping info instance.
 * <p>Example: combine type- and method-level request mappings.
 * @return a new request mapping info instance; never {@code null}
 */
@Override
public RequestMappingInfo combine(RequestMappingInfo other) {
	String name = combineNames(other);
	PatternsRequestCondition patterns = this.patternsCondition.combine(other.patternsCondition);
	RequestMethodsRequestCondition methods = this.methodsCondition.combine(other.methodsCondition);
	ParamsRequestCondition params = this.paramsCondition.combine(other.paramsCondition);
	HeadersRequestCondition headers = this.headersCondition.combine(other.headersCondition);
	ConsumesRequestCondition consumes = this.consumesCondition.combine(other.consumesCondition);
	ProducesRequestCondition produces = this.producesCondition.combine(other.producesCondition);
	RequestConditionHolder custom = this.customConditionHolder.combine(other.customConditionHolder);

	return new RequestMappingInfo(name, patterns,
			methods, params, headers, consumes, produces, custom.getCondition());
}
 

/**
 * Checks if all conditions in this request mapping info match the provided request and returns
 * a potentially new request mapping info with conditions tailored to the current request.
 * <p>For example the returned instance may contain the subset of URL patterns that match to
 * the current request, sorted with best matching patterns on top.
 * @return a new instance in case all conditions match; or {@code null} otherwise
 */
@Override
@Nullable
public RequestMappingInfo getMatchingCondition(HttpServletRequest request) {
	RequestMethodsRequestCondition methods = this.methodsCondition.getMatchingCondition(request);
	if (methods == null) {
		return null;
	}
	ParamsRequestCondition params = this.paramsCondition.getMatchingCondition(request);
	if (params == null) {
		return null;
	}
	HeadersRequestCondition headers = this.headersCondition.getMatchingCondition(request);
	if (headers == null) {
		return null;
	}
	ConsumesRequestCondition consumes = this.consumesCondition.getMatchingCondition(request);
	if (consumes == null) {
		return null;
	}
	ProducesRequestCondition produces = this.producesCondition.getMatchingCondition(request);
	if (produces == null) {
		return null;
	}
	PatternsRequestCondition patterns = this.patternsCondition.getMatchingCondition(request);
	if (patterns == null) {
		return null;
	}
	RequestConditionHolder custom = this.customConditionHolder.getMatchingCondition(request);
	if (custom == null) {
		return null;
	}

	return new RequestMappingInfo(this.name, patterns,
			methods, params, headers, consumes, produces, custom.getCondition());
}
 

/**
 * Return a matching RequestMethodsRequestCondition based on the expected
 * HTTP method specified in a CORS pre-flight request.
 */
private RequestMethodsRequestCondition getAccessControlRequestMethodCondition(HttpServletRequest request) {
	String expectedMethod = request.getHeader(HttpHeaders.ACCESS_CONTROL_REQUEST_METHOD);
	if (StringUtils.hasText(expectedMethod)) {
		for (RequestMethod method : getMethodsCondition().getMethods()) {
			if (expectedMethod.equalsIgnoreCase(method.name())) {
				return new RequestMethodsRequestCondition(method);
			}
		}
	}
	return null;
}
 

/**
 * Checks if all conditions in this request mapping info match the provided request and returns
 * a potentially new request mapping info with conditions tailored to the current request.
 * <p>For example the returned instance may contain the subset of URL patterns that match to
 * the current request, sorted with best matching patterns on top.
 * @return a new instance in case all conditions match; or {@code null} otherwise
 */
@Override
public RequestMappingInfo getMatchingCondition(HttpServletRequest request) {
	RequestMethodsRequestCondition methods = this.methodsCondition.getMatchingCondition(request);
	ParamsRequestCondition params = this.paramsCondition.getMatchingCondition(request);
	HeadersRequestCondition headers = this.headersCondition.getMatchingCondition(request);
	ConsumesRequestCondition consumes = this.consumesCondition.getMatchingCondition(request);
	ProducesRequestCondition produces = this.producesCondition.getMatchingCondition(request);

	if (methods == null || params == null || headers == null || consumes == null || produces == null) {
		if (CorsUtils.isPreFlightRequest(request)) {
			methods = getAccessControlRequestMethodCondition(request);
			if (methods == null || params == null) {
				return null;
			}
		}
		else {
			return null;
		}
	}

	PatternsRequestCondition patterns = this.patternsCondition.getMatchingCondition(request);
	if (patterns == null) {
		return null;
	}

	RequestConditionHolder custom = this.customConditionHolder.getMatchingCondition(request);
	if (custom == null) {
		return null;
	}

	return new RequestMappingInfo(this.name, patterns,
			methods, params, headers, consumes, produces, custom.getCondition());
}
 

/**
 * Combines "this" request mapping info (i.e. the current instance) with another request mapping info instance.
 * <p>Example: combine type- and method-level request mappings.
 * @return a new request mapping info instance; never {@code null}
 */
@Override
public RequestMappingInfo combine(RequestMappingInfo other) {
	String name = combineNames(other);
	PatternsRequestCondition patterns = this.patternsCondition.combine(other.patternsCondition);
	RequestMethodsRequestCondition methods = this.methodsCondition.combine(other.methodsCondition);
	ParamsRequestCondition params = this.paramsCondition.combine(other.paramsCondition);
	HeadersRequestCondition headers = this.headersCondition.combine(other.headersCondition);
	ConsumesRequestCondition consumes = this.consumesCondition.combine(other.consumesCondition);
	ProducesRequestCondition produces = this.producesCondition.combine(other.producesCondition);
	RequestConditionHolder custom = this.customConditionHolder.combine(other.customConditionHolder);

	return new RequestMappingInfo(name, patterns,
			methods, params, headers, consumes, produces, custom.getCondition());
}
 

/**
 * Creates a new instance with the given request conditions.
 */
public RequestMappingInfo(PatternsRequestCondition patterns, RequestMethodsRequestCondition methods,
		ParamsRequestCondition params, HeadersRequestCondition headers, ConsumesRequestCondition consumes,
		ProducesRequestCondition produces, RequestCondition<?> custom) {

	this(null, patterns, methods, params, headers, consumes, produces, custom);
}
 

/**
 * Checks if all conditions in this request mapping info match the provided request and returns
 * a potentially new request mapping info with conditions tailored to the current request.
 * <p>For example the returned instance may contain the subset of URL patterns that match to
 * the current request, sorted with best matching patterns on top.
 * @return a new instance in case all conditions match; or {@code null} otherwise
 */
@Override
@Nullable
public RequestMappingInfo getMatchingCondition(HttpServletRequest request) {
	RequestMethodsRequestCondition methods = this.methodsCondition.getMatchingCondition(request);
	ParamsRequestCondition params = this.paramsCondition.getMatchingCondition(request);
	HeadersRequestCondition headers = this.headersCondition.getMatchingCondition(request);
	ConsumesRequestCondition consumes = this.consumesCondition.getMatchingCondition(request);
	ProducesRequestCondition produces = this.producesCondition.getMatchingCondition(request);

	if (methods == null || params == null || headers == null || consumes == null || produces == null) {
		return null;
	}

	PatternsRequestCondition patterns = this.patternsCondition.getMatchingCondition(request);
	if (patterns == null) {
		return null;
	}

	RequestConditionHolder custom = this.customConditionHolder.getMatchingCondition(request);
	if (custom == null) {
		return null;
	}

	return new RequestMappingInfo(this.name, patterns,
			methods, params, headers, consumes, produces, custom.getCondition());
}
 

/**
 * Combine "this" request mapping info (i.e. the current instance) with another request mapping info instance.
 * <p>Example: combine type- and method-level request mappings.
 * @return a new request mapping info instance; never {@code null}
 */
@Override
public RequestMappingInfo combine(RequestMappingInfo other) {
	String name = combineNames(other);
	PatternsRequestCondition patterns = this.patternsCondition.combine(other.patternsCondition);
	RequestMethodsRequestCondition methods = this.methodsCondition.combine(other.methodsCondition);
	ParamsRequestCondition params = this.paramsCondition.combine(other.paramsCondition);
	HeadersRequestCondition headers = this.headersCondition.combine(other.headersCondition);
	ConsumesRequestCondition consumes = this.consumesCondition.combine(other.consumesCondition);
	ProducesRequestCondition produces = this.producesCondition.combine(other.producesCondition);
	RequestConditionHolder custom = this.customConditionHolder.combine(other.customConditionHolder);

	return new RequestMappingInfo(name, patterns,
			methods, params, headers, consumes, produces, custom.getCondition());
}