/**
 * 创建匹配条件
 *
 * @param clazz
 * @return
 */
private static RequestCondition<ApiVersionCondition> createCondition(Class<?> clazz) {
    RequestMapping classRequestMapping = AnnotationUtils.findAnnotation(clazz, RequestMapping.class);
    if (classRequestMapping == null) {
        return null;
    }
    StringBuilder mappingUrlBuilder = new StringBuilder();
    if (classRequestMapping.value().length > 0) {
        mappingUrlBuilder.append(classRequestMapping.value()[0]);
    }
    String mappingUrl = mappingUrlBuilder.toString();
    if (!mappingUrl.contains("{version}") || !mappingUrl.contains("{v}")) {
        return null;
    }
    ApiVersion apiVersion = AnnotationUtils.findAnnotation(clazz, ApiVersion.class);
    return apiVersion == null ? new ApiVersionCondition(1) : new ApiVersionCondition(apiVersion.value());
}
 

/**
 * Create a {@link RequestMappingInfo} from the supplied
 * {@link RequestMapping @RequestMapping} annotation, which is either
 * a directly declared annotation, a meta-annotation, or the synthesized
 * result of merging annotation attributes within an annotation hierarchy.
 */
protected RequestMappingInfo createRequestMappingInfo(
		RequestMapping requestMapping, @Nullable RequestCondition<?> customCondition) {

	RequestMappingInfo.Builder builder = RequestMappingInfo
			.paths(resolveEmbeddedValuesInPatterns(requestMapping.path()))
			.methods(requestMapping.method())
			.params(requestMapping.params())
			.headers(requestMapping.headers())
			.consumes(requestMapping.consumes())
			.produces(requestMapping.produces())
			.mappingName(requestMapping.name());
	if (customCondition != null) {
		builder.customCondition(customCondition);
	}
	return builder.options(this.config).build();
}
 

/**
 * Create a {@link RequestMappingInfo} from the supplied
 * {@link RequestMapping @RequestMapping} annotation, which is either
 * a directly declared annotation, a meta-annotation, or the synthesized
 * result of merging annotation attributes within an annotation hierarchy.
 */
protected RequestMappingInfo createRequestMappingInfo(
		RequestMapping requestMapping, @Nullable RequestCondition<?> customCondition) {

	RequestMappingInfo.Builder builder = RequestMappingInfo
			.paths(resolveEmbeddedValuesInPatterns(requestMapping.path()))
			.methods(requestMapping.method())
			.params(requestMapping.params())
			.headers(requestMapping.headers())
			.consumes(requestMapping.consumes())
			.produces(requestMapping.produces())
			.mappingName(requestMapping.name());
	if (customCondition != null) {
		builder.customCondition(customCondition);
	}
	return builder.options(this.config).build();
}
 

private RequestMappingInfo createRequestMappingInfo(AnnotatedElement element) {

        boolean isClass = element instanceof Class<?>;

        RequestMapping requestMappingAnno = AnnotatedElementUtils.findMergedAnnotation(element, RequestMapping.class);
        if (requestMappingAnno == null) {
            return null;
        }

        RequestCondition<?> condition = (isClass ? getCustomTypeCondition((Class<?>) element) : getCustomMethodCondition((Method) element));

        ApiRequestMappingAutoWithMethodName apiRequestMappingAutoWithMethodNameAnno = AnnotatedElementUtils.findMergedAnnotation(element,
            ApiRequestMappingAutoWithMethodName.class);

        if (apiRequestMappingAutoWithMethodNameAnno == null) {
            return createRequestMappingInfo(requestMappingAnno, condition);
        }

        return createRequestMappingInfoByApiMethodAnno(requestMappingAnno, condition, (Method) element);
    }
 

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);
}
 

private RequestCondition<ApiVersionCondition> createCondition(Class<?> clazz) {
    RequestMapping classRequestMapping = clazz.getAnnotation(RequestMapping.class);
    if (classRequestMapping == null) {
        return null;
    }
    StringBuilder mappingUrlBuilder = new StringBuilder();
    if (classRequestMapping.value().length > 0) {
        mappingUrlBuilder.append(classRequestMapping.value()[0]);
    }
    String mappingUrl = mappingUrlBuilder.toString();
    if (!mappingUrl.contains(VERSION_FLAG)) {
        return null;
    }
    ApiVersion apiVersion = clazz.getAnnotation(ApiVersion.class);
    return new ApiVersionCondition(new ApiVersionState.ApiVersionStateBuilder()
            .apiVersion(apiVersion)
            .packageVersion(parseVersionByPackage(clazz))
            .minimumVersion(minimumVersion)
            .build());
}
 

/**
 * Create a {@link RequestMappingInfo} from the supplied
 * {@link RequestMapping @RequestMapping} annotation, which is either
 * a directly declared annotation, a meta-annotation, or the synthesized
 * result of merging annotation attributes within an annotation hierarchy.
 */
protected RequestMappingInfo createRequestMappingInfo(
		RequestMapping requestMapping, RequestCondition<?> customCondition) {

	return RequestMappingInfo
			.paths(resolveEmbeddedValuesInPatterns(requestMapping.path()))
			.methods(requestMapping.method())
			.params(requestMapping.params())
			.headers(requestMapping.headers())
			.consumes(requestMapping.consumes())
			.produces(requestMapping.produces())
			.mappingName(requestMapping.name())
			.customCondition(customCondition)
			.options(this.config)
			.build();
}
 

/**
 * Create a {@link RequestMappingInfo} from the supplied
 * {@link RequestMapping @RequestMapping} annotation, which is either
 * a directly declared annotation, a meta-annotation, or the synthesized
 * result of merging annotation attributes within an annotation hierarchy.
 */
protected RequestMappingInfo createRequestMappingInfo(
		RequestMapping requestMapping, RequestCondition<?> customCondition) {

	return RequestMappingInfo
			.paths(resolveEmbeddedValuesInPatterns(requestMapping.path()))
			.methods(requestMapping.method())
			.params(requestMapping.params())
			.headers(requestMapping.headers())
			.consumes(requestMapping.consumes())
			.produces(requestMapping.produces())
			.mappingName(requestMapping.name())
			.customCondition(customCondition)
			.options(this.config)
			.build();
}
 

/**
 * Delegates to {@link #createRequestMappingInfo(RequestMapping, RequestCondition)},
 * supplying the appropriate custom {@link RequestCondition} depending on whether
 * the supplied {@code annotatedElement} is a class or method.
 * @see #getCustomTypeCondition(Class)
 * @see #getCustomMethodCondition(Method)
 */
@Nullable
private RequestMappingInfo createRequestMappingInfo(AnnotatedElement element) {
	RequestMapping requestMapping = AnnotatedElementUtils.findMergedAnnotation(element, RequestMapping.class);
	RequestCondition<?> condition = (element instanceof Class ?
			getCustomTypeCondition((Class<?>) element) : getCustomMethodCondition((Method) element));
	return (requestMapping != null ? createRequestMappingInfo(requestMapping, condition) : 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);
}
 

/**
 * Delegates to {@link #createRequestMappingInfo(RequestMapping, RequestCondition)},
 * supplying the appropriate custom {@link RequestCondition} depending on whether
 * the supplied {@code annotatedElement} is a class or method.
 * @see #getCustomTypeCondition(Class)
 * @see #getCustomMethodCondition(Method)
 */
@Nullable
private RequestMappingInfo createRequestMappingInfo(AnnotatedElement element) {
	RequestMapping requestMapping = AnnotatedElementUtils.findMergedAnnotation(element, RequestMapping.class);
	RequestCondition<?> condition = (element instanceof Class ?
			getCustomTypeCondition((Class<?>) element) : getCustomMethodCondition((Method) element));
	return (requestMapping != null ? createRequestMappingInfo(requestMapping, condition) : 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);
}
 

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);
}
 

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);
}
 

/**
 * Store requests have to be handled by different RequestMappings based on whether the
 * request is targeting a Store or content associated with an Entity
 */
@Override
protected RequestCondition<?> getCustomMethodCondition(Method method) {
	StoreType typeAnnotation = AnnotationUtils.findAnnotation(method,
			StoreType.class);
	if (typeAnnotation != null) {
		return new StoreCondition(typeAnnotation, this.contentStores, method, this.getConfiguration().getBaseUri());
	}
	return null;
}
 

@Override
protected RequestCondition<?> getCustomMethodCondition(Method method) {
    return createCondition(method.getClass());
}
 

@Override
protected RequestCondition<?> getCustomTypeCondition(Class<?> handlerType) {
    return createCondition(handlerType);
}
 

/**
 * Re-create a RequestMappingInfo with the given custom request condition.
 */
public RequestMappingInfo(RequestMappingInfo info, @Nullable RequestCondition<?> customRequestCondition) {
	this(info.name, info.patternsCondition, info.methodsCondition, info.paramsCondition, info.headersCondition,
			info.consumesCondition, info.producesCondition, customRequestCondition);
}
 

/**
 * Return the "custom" condition of this {@link RequestMappingInfo}, or {@code null}.
 */
@Nullable
public RequestCondition<?> getCustomCondition() {
	return this.customConditionHolder.getCondition();
}
 

@Override
public DefaultBuilder customCondition(RequestCondition<?> condition) {
	this.customCondition = condition;
	return this;
}
 

@Override
protected RequestCondition<?> getCustomTypeCondition(Class<?> handlerType) {
   	// 扫描类或接口上的 {@link ApiVersion}
	ApiVersion apiVersion = AnnotationUtils.findAnnotation(handlerType, ApiVersion.class);
	return createRequestCondition(apiVersion, handlerType);
}
 

@Override
protected RequestCondition<?> getCustomMethodCondition(Method method) {
   	// 扫描方法上的 {@link ApiVersion}
	ApiVersion apiVersion = AnnotationUtils.findAnnotation(method, ApiVersion.class);
	return createRequestCondition(apiVersion, method.getDeclaringClass());
}
 

@Override
protected RequestCondition<ApiVersionCondition> getCustomTypeCondition(Class<?> handlerType) {
    ApiVersion apiVersion = AnnotationUtils.findAnnotation(handlerType, ApiVersion.class);
    return createCondition(apiVersion);
}
 

@Override
protected RequestCondition<ApiVersionCondition> getCustomMethodCondition(Method method) {
    ApiVersion apiVersion = AnnotationUtils.findAnnotation(method, ApiVersion.class);
    return createCondition(apiVersion);
}
 

private RequestCondition<ApiVersionCondition> createCondition(ApiVersion apiVersion) {
    return apiVersion == null ? null : new ApiVersionCondition(apiVersion.value());
}
 

/**
 * Re-create a RequestMappingInfo with the given custom request condition.
 */
public RequestMappingInfo(RequestMappingInfo info, @Nullable RequestCondition<?> customRequestCondition) {
	this(info.name, info.patternsCondition, info.methodsCondition, info.paramsCondition, info.headersCondition,
			info.consumesCondition, info.producesCondition, customRequestCondition);
}