Java 类org.springframework.web.servlet.mvc.condition.ParamsRequestCondition 实例源码

private List<String[]> getRequestParams(HttpServletRequest request, Set<RequestMappingInfo> partialMatches) {
    List<String[]> result = new ArrayList<String[]>();
    for (RequestMappingInfo partialMatch : partialMatches) {
        ParamsRequestCondition condition = partialMatch.getParamsCondition();
        Set<NameValueExpression<String>> expressions = condition.getExpressions();
        if (!CollectionUtils.isEmpty(expressions) && condition.getMatchingCondition(request) == null) {
            int i = 0;
            String[] array = new String[expressions.size()];
            for (NameValueExpression<String> expression : expressions) {
                array[i++] = expression.toString();
            }
            result.add(array);
        }
    }
    return result;
}

@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 matchParamsCondition() {
    MockHttpServletRequest request = new MockHttpServletRequest("GET", "/foo");
    request.setParameter("foo", "bar");

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

    assertNotNull(match);

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

    assertNull(match);
}

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

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

    assertNotNull(match);

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

    assertNull(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 = 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;
    }
}

protected RequestMappingInfo createRequestMappingInfo(RequestMapping annotation,
        RequestCondition<?> customCondition,Object handler) {
    //XXX: not used  RequestMapping
    if(annotation == null){
        return createRequestMappingInfo(customCondition, handler);
    }
    String[] value = annotation.value();
    String[] patterns = resolveEmbeddedValuesInPatterns(value);

    //XXX:thining 
    //XXX:增加 RequestMapping value is null 时 默认使用方法名称(包括驼峰式和小写式)
    if(patterns == null ||(patterns != null && patterns.length == 0)){

        patterns = getPathMaping(handler);
    }

    return new RequestMappingInfo(
            new PatternsRequestCondition(patterns, getUrlPathHelper(), getPathMatcher(),
                    this.useSuffixPatternMatch(), this.useTrailingSlashMatch(), this.getFileExtensions()),
            new RequestMethodsRequestCondition(annotation.method()),
            new ParamsRequestCondition(annotation.params()),
            new HeadersRequestCondition(annotation.headers()),
            new ConsumesRequestCondition(annotation.consumes(), annotation.headers()),
            new ProducesRequestCondition(annotation.produces(), annotation.headers(), this.getContentNegotiationManager()),
            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
 */
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(patterns, methods, params, headers, consumes, produces, custom.getCondition());
}

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

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

    assertNotNull(match);

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

    assertNull(match);
}

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

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

    assertNotNull(match);

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

    assertNull(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 = 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(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());
}

/**
 * Created a RequestMappingInfo from a RequestMapping annotation.
 */
protected RequestMappingInfo createRequestMappingInfo2(RequestMapping annotation, Method method) {
    String[] patterns;
    if (method != null && annotation.value().length == 0) {
        patterns = new String[] { this.createPattern(method.getName()) };
    }
    else {
        patterns = resolveEmbeddedValuesInPatterns(annotation.value());
    }
    Map<String, String> headerMap = new LinkedHashMap<String, String>();
    ExtensiveDomain extensiveDomain = new ExtensiveDomain();
    requestMappingInfoBuilder.getHeaders(annotation, method, extensiveDomain, headerMap);
    // System.out.println("headerMap:" + headerMap);
    String[] headers = new String[headerMap.size()];
    {
        int i = 0;
        for (Entry<String, String> entry : headerMap.entrySet()) {
            String header = entry.getKey() + "=" + entry.getValue();
            headers[i] = header;
            i++;
        }
    }
    RequestCondition<?> customCondition = new ServerNameRequestCondition(extensiveDomain, headers);
    return new RequestMappingInfo(new PatternsRequestCondition(patterns, getUrlPathHelper(), getPathMatcher(), false, this.useTrailingSlashMatch(), this.getFileExtensions()),
            new RequestMethodsRequestCondition(annotation.method()), new ParamsRequestCondition(annotation.params()), new HeadersRequestCondition(),
            new ConsumesRequestCondition(annotation.consumes(), headers), new ProducesRequestCondition(annotation.produces(), headers, getContentNegotiationManager()), customCondition);
}

/**
 * 不使用{@link @RequestMapping}注解时默认类名和方法名称
 * @param customCondition
 * @param handler
 * @return
 * @author:ChenYiCheng
 */
protected RequestMappingInfo createRequestMappingInfo(RequestCondition<?> customCondition,Object handler) {
    String[] patterns = getPathMaping(handler);;

    return new RequestMappingInfo(
            new PatternsRequestCondition(patterns, getUrlPathHelper(), getPathMatcher(),
                    this.useSuffixPatternMatch(), this.useTrailingSlashMatch(), this.getFileExtensions()),
            new RequestMethodsRequestCondition(),
            new ParamsRequestCondition(),
            new HeadersRequestCondition(),
            new ConsumesRequestCondition(null,null),
            new ProducesRequestCondition(null, null, this.getContentNegotiationManager()),
            customCondition);
}

private RequestMappingInfo createApiVersionInfo(ApiVersion annotation, RequestCondition<?> customCondition) {
    String[] values = annotation.value();
    String[] patterns = new String[values.length];
    for (int i = 0; i < values.length; i++) {
        // Build the URL prefix
        patterns[i] = prefix + values[i];
    }

    return new RequestMappingInfo(
            new PatternsRequestCondition(patterns, getUrlPathHelper(), getPathMatcher(), useSuffixPatternMatch(),
                    useTrailingSlashMatch(), getFileExtensions()),
            new RequestMethodsRequestCondition(), new ParamsRequestCondition(), new HeadersRequestCondition(),
            new ConsumesRequestCondition(), new ProducesRequestCondition(), customCondition);
}

protected RequestMappingInfo createRequestMappingInfo(RequestMapping annotation, RequestCondition<?> customCondition) {
    return new RequestMappingInfo(
            new PatternsRequestCondition(annotation.value(), getUrlPathHelper(), getPathMatcher(), false, 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()), 
            customCondition);
}

/**
 * Created a RequestMappingInfo from a RequestMapping annotation.
 */
protected RequestMappingInfo createRequestMappingInfo(RequestMapping annotation, RequestCondition<?> customCondition) {
    String[] patterns = resolveEmbeddedValuesInPatterns(annotation.value());
    return new RequestMappingInfo(
            new PatternsRequestCondition(patterns, getUrlPathHelper(), getPathMatcher(),
                    this.useSuffixPatternMatch, this.useTrailingSlashMatch, this.fileExtensions),
            new RequestMethodsRequestCondition(annotation.method()),
            new ParamsRequestCondition(annotation.params()),
            new HeadersRequestCondition(annotation.headers()),
            new ConsumesRequestCondition(annotation.consumes(), annotation.headers()),
            new ProducesRequestCondition(annotation.produces(), annotation.headers(), getContentNegotiationManager()),
            customCondition);
}

private Set<String> getRequestParams(HttpServletRequest request, Set<RequestMappingInfo> partialMatches) {
    for (RequestMappingInfo partialMatch : partialMatches) {
        ParamsRequestCondition condition = partialMatch.getParamsCondition();
        if (!CollectionUtils.isEmpty(condition.getExpressions()) && (condition.getMatchingCondition(request) == null)) {
            Set<String> expressions = new HashSet<String>();
            for (NameValueExpression<String> expr : condition.getExpressions()) {
                expressions.add(expr.toString());
            }
            return expressions;
        }
    }
    return null;
}

/**
 * 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.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);
}

/**
 * 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}
 */
public RequestMappingInfo combine(RequestMappingInfo 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(patterns, methods, params, headers, consumes, produces, custom.getCondition());
}

@Test
public void paramEquals() {
    assertEquals(new ParamsRequestCondition("foo"), new ParamsRequestCondition("foo"));
    assertFalse(new ParamsRequestCondition("foo").equals(new ParamsRequestCondition("bar")));
    assertFalse(new ParamsRequestCondition("foo").equals(new ParamsRequestCondition("FOO")));
    assertEquals(new ParamsRequestCondition("foo=bar"), new ParamsRequestCondition("foo=bar"));
    assertFalse(
            new ParamsRequestCondition("foo=bar").equals(new ParamsRequestCondition("FOO=bar")));
}

@Test
public void paramPresent() {
    ParamsRequestCondition condition = new ParamsRequestCondition("foo");

    MockHttpServletRequest request = new MockHttpServletRequest();
    request.addParameter("foo", "");

    assertNotNull(condition.getMatchingCondition(request));
}

@Test
public void paramPresentNoMatch() {
    ParamsRequestCondition condition = new ParamsRequestCondition("foo");

    MockHttpServletRequest request = new MockHttpServletRequest();
    request.addHeader("bar", "");

    assertNull(condition.getMatchingCondition(request));
}

@Test
public void paramNotPresent() {
    ParamsRequestCondition condition = new ParamsRequestCondition("!foo");

    MockHttpServletRequest request = new MockHttpServletRequest();

    assertNotNull(condition.getMatchingCondition(request));
}

@Test
public void paramValueMatch() {
    ParamsRequestCondition condition = new ParamsRequestCondition("foo=bar");

    MockHttpServletRequest request = new MockHttpServletRequest();
    request.addParameter("foo", "bar");

    assertNotNull(condition.getMatchingCondition(request));
}

@Test
public void paramValueNoMatch() {
    ParamsRequestCondition condition = new ParamsRequestCondition("foo=bar");

    MockHttpServletRequest request = new MockHttpServletRequest();
    request.addParameter("foo", "bazz");

    assertNull(condition.getMatchingCondition(request));
}

@Test
public void compareTo() {
    MockHttpServletRequest request = new MockHttpServletRequest();

    ParamsRequestCondition condition1 = new ParamsRequestCondition("foo", "bar", "baz");
    ParamsRequestCondition condition2 = new ParamsRequestCondition("foo", "bar");

    int result = condition1.compareTo(condition2, request);
    assertTrue("Invalid comparison result: " + result, result < 0);

    result = condition2.compareTo(condition1, request);
    assertTrue("Invalid comparison result: " + result, result > 0);
}

@Test
public void combine() {
    ParamsRequestCondition condition1 = new ParamsRequestCondition("foo=bar");
    ParamsRequestCondition condition2 = new ParamsRequestCondition("foo=baz");

    ParamsRequestCondition result = condition1.combine(condition2);
    Collection<ParamExpression> conditions = result.getContent();
    assertEquals(2, conditions.size());
}

@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);
}

/**
 * Returns the "parameters" condition of this {@link RequestMappingInfo};
 * or instance with 0 parameter expressions, never {@code null}.
 */
public ParamsRequestCondition getParamsCondition() {
    return this.paramsCondition;
}

/**
 * Returns the "parameters" condition of this {@link RequestMappingInfo};
 * or instance with 0 parameter expressions, never {@code null}.
 */
public ParamsRequestCondition getParamsCondition() {
    return this.paramsCondition;
}