@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 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
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
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
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;
	}
}
 

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);
}
 

/**
 * 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());
}
 

@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);
}
 

@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);
}
 

@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;
	}
}
 

@Test
public void matchHeadersCondition() {
	MockHttpServletRequest request = new MockHttpServletRequest("GET", "/foo");
	request.addHeader("foo", "bar");

	RequestMappingInfo info =
			new RequestMappingInfo(
					new PatternsRequestCondition("/foo"), null, null,
					new HeadersRequestCondition("foo=bar"), null, null, null);
	RequestMappingInfo match = info.getMatchingCondition(request);

	assertNotNull(match);

	info = new RequestMappingInfo(
			new PatternsRequestCondition("/foo"), null, null,
			new HeadersRequestCondition("foo!=bar"), null, null, null);
	match = info.getMatchingCondition(request);

	assertNull(match);
}
 

@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;
	}
}
 

public RequestMappingInfo(@Nullable String name, @Nullable PatternsRequestCondition patterns,
		@Nullable RequestMethodsRequestCondition methods, @Nullable ParamsRequestCondition params,
		@Nullable HeadersRequestCondition headers, @Nullable ConsumesRequestCondition consumes,
		@Nullable ProducesRequestCondition produces, @Nullable 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());
}
 

public RequestMappingInfo(@Nullable String name, @Nullable PatternsRequestCondition patterns,
		@Nullable RequestMethodsRequestCondition methods, @Nullable ParamsRequestCondition params,
		@Nullable HeadersRequestCondition headers, @Nullable ConsumesRequestCondition consumes,
		@Nullable ProducesRequestCondition produces, @Nullable 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);
	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());
}
 

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(PatternsRequestCondition patterns, RequestMethodsRequestCondition methods,
		ParamsRequestCondition params, HeadersRequestCondition headers, ConsumesRequestCondition consumes,
		ProducesRequestCondition produces, 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());
}
 

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

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

/**
 * 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());
}
 

/**
 * 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());
}
 

/**
 * Return the "headers" condition of this {@link RequestMappingInfo};
 * or instance with 0 header expressions (never {@code null}).
 */
public HeadersRequestCondition getHeadersCondition() {
	return this.headersCondition;
}
 

/**
 * Return the "headers" condition of this {@link RequestMappingInfo};
 * or instance with 0 header expressions (never {@code null}).
 */
public HeadersRequestCondition getHeadersCondition() {
	return this.headersCondition;
}