org.springframework.web.servlet.function.RequestPredicates Maven / Gradle / Ivy
/*
* Copyright 2002-2020 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.web.servlet.function;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.URI;
import java.security.Principal;
import java.time.Instant;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.function.Function;
import java.util.function.Predicate;
import javax.servlet.ServletException;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.core.ParameterizedTypeReference;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.server.PathContainer;
import org.springframework.lang.NonNull;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
import org.springframework.util.MultiValueMap;
import org.springframework.web.cors.CorsUtils;
import org.springframework.web.util.UriBuilder;
import org.springframework.web.util.UriUtils;
import org.springframework.web.util.pattern.PathPattern;
import org.springframework.web.util.pattern.PathPatternParser;
/**
* Implementations of {@link RequestPredicate} that implement various useful
* request matching operations, such as matching based on path, HTTP method, etc.
*
* @author Arjen Poutsma
* @since 5.2
*/
public abstract class RequestPredicates {
private static final Log logger = LogFactory.getLog(RequestPredicates.class);
/**
* Return a {@code RequestPredicate} that always matches.
* @return a predicate that always matches
*/
public static RequestPredicate all() {
return request -> true;
}
/**
* Return a {@code RequestPredicate} that matches if the request's
* HTTP method is equal to the given method.
* @param httpMethod the HTTP method to match against
* @return a predicate that tests against the given HTTP method
*/
public static RequestPredicate method(HttpMethod httpMethod) {
return new HttpMethodPredicate(httpMethod);
}
/**
* Return a {@code RequestPredicate} that matches if the request's
* HTTP method is equal to one the of the given methods.
* @param httpMethods the HTTP methods to match against
* @return a predicate that tests against the given HTTP methods
*/
public static RequestPredicate methods(HttpMethod... httpMethods) {
return new HttpMethodPredicate(httpMethods);
}
/**
* Return a {@code RequestPredicate} that tests the request path
* against the given path pattern.
* @param pattern the pattern to match to
* @return a predicate that tests against the given path pattern
*/
public static RequestPredicate path(String pattern) {
Assert.notNull(pattern, "'pattern' must not be null");
if (!pattern.isEmpty() && !pattern.startsWith("/")) {
pattern = "/" + pattern;
}
return pathPredicates(PathPatternParser.defaultInstance).apply(pattern);
}
/**
* Return a function that creates new path-matching {@code RequestPredicates}
* from pattern Strings using the given {@link PathPatternParser}.
* This method can be used to specify a non-default, customized
* {@code PathPatternParser} when resolving path patterns.
* @param patternParser the parser used to parse patterns given to the returned function
* @return a function that resolves a pattern String into a path-matching
* {@code RequestPredicates} instance
*/
public static Function pathPredicates(PathPatternParser patternParser) {
Assert.notNull(patternParser, "PathPatternParser must not be null");
return pattern -> new PathPatternPredicate(patternParser.parse(pattern));
}
/**
* Return a {@code RequestPredicate} that tests the request's headers
* against the given headers predicate.
* @param headersPredicate a predicate that tests against the request headers
* @return a predicate that tests against the given header predicate
*/
public static RequestPredicate headers(Predicate headersPredicate) {
return new HeadersPredicate(headersPredicate);
}
/**
* Return a {@code RequestPredicate} that tests if the request's
* {@linkplain ServerRequest.Headers#contentType() content type} is
* {@linkplain MediaType#includes(MediaType) included} by any of the given media types.
* @param mediaTypes the media types to match the request's content type against
* @return a predicate that tests the request's content type against the given media types
*/
public static RequestPredicate contentType(MediaType... mediaTypes) {
Assert.notEmpty(mediaTypes, "'mediaTypes' must not be empty");
return new ContentTypePredicate(mediaTypes);
}
/**
* Return a {@code RequestPredicate} that tests if the request's
* {@linkplain ServerRequest.Headers#accept() accept} header is
* {@linkplain MediaType#isCompatibleWith(MediaType) compatible} with any of the given media types.
* @param mediaTypes the media types to match the request's accept header against
* @return a predicate that tests the request's accept header against the given media types
*/
public static RequestPredicate accept(MediaType... mediaTypes) {
Assert.notEmpty(mediaTypes, "'mediaTypes' must not be empty");
return new AcceptPredicate(mediaTypes);
}
/**
* Return a {@code RequestPredicate} that matches if request's HTTP method is {@code GET}
* and the given {@code pattern} matches against the request path.
* @param pattern the path pattern to match against
* @return a predicate that matches if the request method is GET and if the given pattern
* matches against the request path
*/
public static RequestPredicate GET(String pattern) {
return method(HttpMethod.GET).and(path(pattern));
}
/**
* Return a {@code RequestPredicate} that matches if request's HTTP method is {@code HEAD}
* and the given {@code pattern} matches against the request path.
* @param pattern the path pattern to match against
* @return a predicate that matches if the request method is HEAD and if the given pattern
* matches against the request path
*/
public static RequestPredicate HEAD(String pattern) {
return method(HttpMethod.HEAD).and(path(pattern));
}
/**
* Return a {@code RequestPredicate} that matches if request's HTTP method is {@code POST}
* and the given {@code pattern} matches against the request path.
* @param pattern the path pattern to match against
* @return a predicate that matches if the request method is POST and if the given pattern
* matches against the request path
*/
public static RequestPredicate POST(String pattern) {
return method(HttpMethod.POST).and(path(pattern));
}
/**
* Return a {@code RequestPredicate} that matches if request's HTTP method is {@code PUT}
* and the given {@code pattern} matches against the request path.
* @param pattern the path pattern to match against
* @return a predicate that matches if the request method is PUT and if the given pattern
* matches against the request path
*/
public static RequestPredicate PUT(String pattern) {
return method(HttpMethod.PUT).and(path(pattern));
}
/**
* Return a {@code RequestPredicate} that matches if request's HTTP method is {@code PATCH}
* and the given {@code pattern} matches against the request path.
* @param pattern the path pattern to match against
* @return a predicate that matches if the request method is PATCH and if the given pattern
* matches against the request path
*/
public static RequestPredicate PATCH(String pattern) {
return method(HttpMethod.PATCH).and(path(pattern));
}
/**
* Return a {@code RequestPredicate} that matches if request's HTTP method is {@code DELETE}
* and the given {@code pattern} matches against the request path.
* @param pattern the path pattern to match against
* @return a predicate that matches if the request method is DELETE and if the given pattern
* matches against the request path
*/
public static RequestPredicate DELETE(String pattern) {
return method(HttpMethod.DELETE).and(path(pattern));
}
/**
* Return a {@code RequestPredicate} that matches if request's HTTP method is {@code OPTIONS}
* and the given {@code pattern} matches against the request path.
* @param pattern the path pattern to match against
* @return a predicate that matches if the request method is OPTIONS and if the given pattern
* matches against the request path
*/
public static RequestPredicate OPTIONS(String pattern) {
return method(HttpMethod.OPTIONS).and(path(pattern));
}
/**
* Return a {@code RequestPredicate} that matches if the request's path has the given extension.
* @param extension the path extension to match against, ignoring case
* @return a predicate that matches if the request's path has the given file extension
*/
public static RequestPredicate pathExtension(String extension) {
Assert.notNull(extension, "'extension' must not be null");
return new PathExtensionPredicate(extension);
}
/**
* Return a {@code RequestPredicate} that matches if the request's path matches the given
* predicate.
* @param extensionPredicate the predicate to test against the request path extension
* @return a predicate that matches if the given predicate matches against the request's path
* file extension
*/
public static RequestPredicate pathExtension(Predicate extensionPredicate) {
return new PathExtensionPredicate(extensionPredicate);
}
/**
* Return a {@code RequestPredicate} that matches if the request's parameter of the given name
* has the given value.
* @param name the name of the parameter to test against
* @param value the value of the parameter to test against
* @return a predicate that matches if the parameter has the given value
* @see ServerRequest#param(String)
*/
public static RequestPredicate param(String name, String value) {
return new ParamPredicate(name, value);
}
/**
* Return a {@code RequestPredicate} that tests the request's parameter of the given name
* against the given predicate.
* @param name the name of the parameter to test against
* @param predicate the predicate to test against the parameter value
* @return a predicate that matches the given predicate against the parameter of the given name
* @see ServerRequest#param(String)
*/
public static RequestPredicate param(String name, Predicate predicate) {
return new ParamPredicate(name, predicate);
}
private static void traceMatch(String prefix, Object desired, @Nullable Object actual, boolean match) {
if (logger.isTraceEnabled()) {
logger.trace(String.format("%s \"%s\" %s against value \"%s\"",
prefix, desired, match ? "matches" : "does not match", actual));
}
}
private static void restoreAttributes(ServerRequest request, Map attributes) {
request.attributes().clear();
request.attributes().putAll(attributes);
}
private static Map mergePathVariables(Map oldVariables,
Map newVariables) {
if (!newVariables.isEmpty()) {
Map mergedVariables = new LinkedHashMap<>(oldVariables);
mergedVariables.putAll(newVariables);
return mergedVariables;
}
else {
return oldVariables;
}
}
private static PathPattern mergePatterns(@Nullable PathPattern oldPattern, PathPattern newPattern) {
if (oldPattern != null) {
return oldPattern.combine(newPattern);
}
else {
return newPattern;
}
}
/**
* Receives notifications from the logical structure of request predicates.
*/
public interface Visitor {
/**
* Receive notification of an HTTP method predicate.
* @param methods the HTTP methods that make up the predicate
* @see RequestPredicates#method(HttpMethod)
*/
void method(Set methods);
/**
* Receive notification of an path predicate.
* @param pattern the path pattern that makes up the predicate
* @see RequestPredicates#path(String)
*/
void path(String pattern);
/**
* Receive notification of an path extension predicate.
* @param extension the path extension that makes up the predicate
* @see RequestPredicates#pathExtension(String)
*/
void pathExtension(String extension);
/**
* Receive notification of an HTTP header predicate.
* @param name the name of the HTTP header to check
* @param value the desired value of the HTTP header
* @see RequestPredicates#headers(Predicate)
* @see RequestPredicates#contentType(MediaType...)
* @see RequestPredicates#accept(MediaType...)
*/
void header(String name, String value);
/**
* Receive notification of a parameter predicate.
* @param name the name of the parameter
* @param value the desired value of the parameter
* @see RequestPredicates#param(String, String)
*/
void param(String name, String value);
/**
* Receive first notification of a logical AND predicate.
* The first subsequent notification will contain the left-hand side of the AND-predicate;
* followed by {@link #and()}, followed by the right-hand side, followed by {@link #endAnd()}.
* @see RequestPredicate#and(RequestPredicate)
*/
void startAnd();
/**
* Receive "middle" notification of a logical AND predicate.
* The following notification contains the right-hand side, followed by {@link #endAnd()}.
* @see RequestPredicate#and(RequestPredicate)
*/
void and();
/**
* Receive last notification of a logical AND predicate.
* @see RequestPredicate#and(RequestPredicate)
*/
void endAnd();
/**
* Receive first notification of a logical OR predicate.
* The first subsequent notification will contain the left-hand side of the OR-predicate;
* the second notification contains the right-hand side, followed by {@link #endOr()}.
* @see RequestPredicate#or(RequestPredicate)
*/
void startOr();
/**
* Receive "middle" notification of a logical OR predicate.
* The following notification contains the right-hand side, followed by {@link #endOr()}.
* @see RequestPredicate#or(RequestPredicate)
*/
void or();
/**
* Receive last notification of a logical OR predicate.
* @see RequestPredicate#or(RequestPredicate)
*/
void endOr();
/**
* Receive first notification of a negated predicate.
* The first subsequent notification will contain the negated predicated, followed
* by {@link #endNegate()}.
* @see RequestPredicate#negate()
*/
void startNegate();
/**
* Receive last notification of a negated predicate.
* @see RequestPredicate#negate()
*/
void endNegate();
/**
* Receive first notification of an unknown predicate.
*/
void unknown(RequestPredicate predicate);
}
private static class HttpMethodPredicate implements RequestPredicate {
private final Set httpMethods;
public HttpMethodPredicate(HttpMethod httpMethod) {
Assert.notNull(httpMethod, "HttpMethod must not be null");
this.httpMethods = EnumSet.of(httpMethod);
}
public HttpMethodPredicate(HttpMethod... httpMethods) {
Assert.notEmpty(httpMethods, "HttpMethods must not be empty");
this.httpMethods = EnumSet.copyOf(Arrays.asList(httpMethods));
}
@Override
public boolean test(ServerRequest request) {
HttpMethod method = method(request);
boolean match = this.httpMethods.contains(method);
traceMatch("Method", this.httpMethods, method, match);
return match;
}
@Nullable
private static HttpMethod method(ServerRequest request) {
if (CorsUtils.isPreFlightRequest(request.servletRequest())) {
String accessControlRequestMethod =
request.headers().firstHeader(HttpHeaders.ACCESS_CONTROL_REQUEST_METHOD);
return HttpMethod.resolve(accessControlRequestMethod);
}
else {
return request.method();
}
}
@Override
public void accept(Visitor visitor) {
visitor.method(Collections.unmodifiableSet(this.httpMethods));
}
@Override
public String toString() {
if (this.httpMethods.size() == 1) {
return this.httpMethods.iterator().next().toString();
}
else {
return this.httpMethods.toString();
}
}
}
private static class PathPatternPredicate implements RequestPredicate {
private final PathPattern pattern;
public PathPatternPredicate(PathPattern pattern) {
Assert.notNull(pattern, "'pattern' must not be null");
this.pattern = pattern;
}
@Override
public boolean test(ServerRequest request) {
PathContainer pathContainer = request.pathContainer();
PathPattern.PathMatchInfo info = this.pattern.matchAndExtract(pathContainer);
traceMatch("Pattern", this.pattern.getPatternString(), request.path(), info != null);
if (info != null) {
mergeAttributes(request, info.getUriVariables(), this.pattern);
return true;
}
else {
return false;
}
}
private static void mergeAttributes(ServerRequest request, Map variables,
PathPattern pattern) {
Map pathVariables = mergePathVariables(request.pathVariables(), variables);
request.attributes().put(RouterFunctions.URI_TEMPLATE_VARIABLES_ATTRIBUTE,
Collections.unmodifiableMap(pathVariables));
pattern = mergePatterns(
(PathPattern) request.attributes().get(RouterFunctions.MATCHING_PATTERN_ATTRIBUTE),
pattern);
request.attributes().put(RouterFunctions.MATCHING_PATTERN_ATTRIBUTE, pattern);
}
@Override
public Optional nest(ServerRequest request) {
return Optional.ofNullable(this.pattern.matchStartOfPath(request.pathContainer()))
.map(info -> new SubPathServerRequestWrapper(request, info, this.pattern));
}
@Override
public void accept(Visitor visitor) {
visitor.path(this.pattern.getPatternString());
}
@Override
public String toString() {
return this.pattern.getPatternString();
}
}
private static class HeadersPredicate implements RequestPredicate {
private final Predicate headersPredicate;
public HeadersPredicate(Predicate headersPredicate) {
Assert.notNull(headersPredicate, "Predicate must not be null");
this.headersPredicate = headersPredicate;
}
@Override
public boolean test(ServerRequest request) {
if (CorsUtils.isPreFlightRequest(request.servletRequest())) {
return true;
}
else {
return this.headersPredicate.test(request.headers());
}
}
@Override
public String toString() {
return this.headersPredicate.toString();
}
}
private static class ContentTypePredicate extends HeadersPredicate {
private final Set mediaTypes;
public ContentTypePredicate(MediaType... mediaTypes) {
this(new HashSet<>(Arrays.asList(mediaTypes)));
}
private ContentTypePredicate(Set mediaTypes) {
super(headers -> {
MediaType contentType =
headers.contentType().orElse(MediaType.APPLICATION_OCTET_STREAM);
boolean match = mediaTypes.stream()
.anyMatch(mediaType -> mediaType.includes(contentType));
traceMatch("Content-Type", mediaTypes, contentType, match);
return match;
});
this.mediaTypes = mediaTypes;
}
@Override
public void accept(Visitor visitor) {
visitor.header(HttpHeaders.CONTENT_TYPE,
(this.mediaTypes.size() == 1) ?
this.mediaTypes.iterator().next().toString() :
this.mediaTypes.toString());
}
@Override
public String toString() {
return String.format("Content-Type: %s",
(this.mediaTypes.size() == 1) ?
this.mediaTypes.iterator().next().toString() :
this.mediaTypes.toString());
}
}
private static class AcceptPredicate extends HeadersPredicate {
private final Set mediaTypes;
public AcceptPredicate(MediaType... mediaTypes) {
this(new HashSet<>(Arrays.asList(mediaTypes)));
}
private AcceptPredicate(Set mediaTypes) {
super(headers -> {
List acceptedMediaTypes = acceptedMediaTypes(headers);
boolean match = acceptedMediaTypes.stream()
.anyMatch(acceptedMediaType -> mediaTypes.stream()
.anyMatch(acceptedMediaType::isCompatibleWith));
traceMatch("Accept", mediaTypes, acceptedMediaTypes, match);
return match;
});
this.mediaTypes = mediaTypes;
}
@NonNull
private static List acceptedMediaTypes(ServerRequest.Headers headers) {
List acceptedMediaTypes = headers.accept();
if (acceptedMediaTypes.isEmpty()) {
acceptedMediaTypes = Collections.singletonList(MediaType.ALL);
}
else {
MediaType.sortBySpecificityAndQuality(acceptedMediaTypes);
}
return acceptedMediaTypes;
}
@Override
public void accept(Visitor visitor) {
visitor.header(HttpHeaders.ACCEPT,
(this.mediaTypes.size() == 1) ?
this.mediaTypes.iterator().next().toString() :
this.mediaTypes.toString());
}
@Override
public String toString() {
return String.format("Accept: %s",
(this.mediaTypes.size() == 1) ?
this.mediaTypes.iterator().next().toString() :
this.mediaTypes.toString());
}
}
private static class PathExtensionPredicate implements RequestPredicate {
private final Predicate extensionPredicate;
@Nullable
private final String extension;
public PathExtensionPredicate(Predicate extensionPredicate) {
Assert.notNull(extensionPredicate, "Predicate must not be null");
this.extensionPredicate = extensionPredicate;
this.extension = null;
}
public PathExtensionPredicate(String extension) {
Assert.notNull(extension, "Extension must not be null");
this.extensionPredicate = s -> {
boolean match = extension.equalsIgnoreCase(s);
traceMatch("Extension", extension, s, match);
return match;
};
this.extension = extension;
}
@Override
public boolean test(ServerRequest request) {
String pathExtension = UriUtils.extractFileExtension(request.path());
return this.extensionPredicate.test(pathExtension);
}
@Override
public void accept(Visitor visitor) {
visitor.pathExtension(
(this.extension != null) ?
this.extension :
this.extensionPredicate.toString());
}
@Override
public String toString() {
return String.format("*.%s",
(this.extension != null) ?
this.extension :
this.extensionPredicate);
}
}
private static class ParamPredicate implements RequestPredicate {
private final String name;
private final Predicate valuePredicate;
@Nullable
private final String value;
public ParamPredicate(String name, Predicate valuePredicate) {
Assert.notNull(name, "Name must not be null");
Assert.notNull(valuePredicate, "Predicate must not be null");
this.name = name;
this.valuePredicate = valuePredicate;
this.value = null;
}
public ParamPredicate(String name, String value) {
Assert.notNull(name, "Name must not be null");
Assert.notNull(value, "Value must not be null");
this.name = name;
this.valuePredicate = value::equals;
this.value = value;
}
@Override
public boolean test(ServerRequest request) {
Optional s = request.param(this.name);
return s.filter(this.valuePredicate).isPresent();
}
@Override
public void accept(Visitor visitor) {
visitor.param(this.name,
(this.value != null) ?
this.value :
this.valuePredicate.toString());
}
@Override
public String toString() {
return String.format("?%s %s", this.name,
(this.value != null) ?
this.value :
this.valuePredicate);
}
}
/**
* {@link RequestPredicate} for where both {@code left} and {@code right} predicates
* must match.
*/
static class AndRequestPredicate implements RequestPredicate {
private final RequestPredicate left;
private final RequestPredicate right;
public AndRequestPredicate(RequestPredicate left, RequestPredicate right) {
Assert.notNull(left, "Left RequestPredicate must not be null");
Assert.notNull(right, "Right RequestPredicate must not be null");
this.left = left;
this.right = right;
}
@Override
public boolean test(ServerRequest request) {
Map oldAttributes = new HashMap<>(request.attributes());
if (this.left.test(request) && this.right.test(request)) {
return true;
}
restoreAttributes(request, oldAttributes);
return false;
}
@Override
public Optional nest(ServerRequest request) {
return this.left.nest(request).flatMap(this.right::nest);
}
@Override
public void accept(Visitor visitor) {
visitor.startAnd();
this.left.accept(visitor);
visitor.and();
this.right.accept(visitor);
visitor.endAnd();
}
@Override
public String toString() {
return String.format("(%s && %s)", this.left, this.right);
}
}
/**
* {@link RequestPredicate} that negates a delegate predicate.
*/
static class NegateRequestPredicate implements RequestPredicate {
private final RequestPredicate delegate;
public NegateRequestPredicate(RequestPredicate delegate) {
Assert.notNull(delegate, "Delegate must not be null");
this.delegate = delegate;
}
@Override
public boolean test(ServerRequest request) {
Map oldAttributes = new HashMap<>(request.attributes());
boolean result = !this.delegate.test(request);
if (!result) {
restoreAttributes(request, oldAttributes);
}
return result;
}
@Override
public void accept(Visitor visitor) {
visitor.startNegate();
this.delegate.accept(visitor);
visitor.endNegate();
}
@Override
public String toString() {
return "!" + this.delegate.toString();
}
}
/**
* {@link RequestPredicate} where either {@code left} or {@code right} predicates
* may match.
*/
static class OrRequestPredicate implements RequestPredicate {
private final RequestPredicate left;
private final RequestPredicate right;
public OrRequestPredicate(RequestPredicate left, RequestPredicate right) {
Assert.notNull(left, "Left RequestPredicate must not be null");
Assert.notNull(right, "Right RequestPredicate must not be null");
this.left = left;
this.right = right;
}
@Override
public boolean test(ServerRequest request) {
Map oldAttributes = new HashMap<>(request.attributes());
if (this.left.test(request)) {
return true;
}
else {
restoreAttributes(request, oldAttributes);
if (this.right.test(request)) {
return true;
}
}
restoreAttributes(request, oldAttributes);
return false;
}
@Override
public Optional nest(ServerRequest request) {
Optional leftResult = this.left.nest(request);
if (leftResult.isPresent()) {
return leftResult;
}
else {
return this.right.nest(request);
}
}
@Override
public void accept(Visitor visitor) {
visitor.startOr();
this.left.accept(visitor);
visitor.or();
this.right.accept(visitor);
visitor.endOr();
}
@Override
public String toString() {
return String.format("(%s || %s)", this.left, this.right);
}
}
private static class SubPathServerRequestWrapper implements ServerRequest {
private final ServerRequest request;
private final PathContainer pathContainer;
private final Map attributes;
public SubPathServerRequestWrapper(ServerRequest request,
PathPattern.PathRemainingMatchInfo info, PathPattern pattern) {
this.request = request;
this.pathContainer = new SubPathContainer(info.getPathRemaining());
this.attributes = mergeAttributes(request, info.getUriVariables(), pattern);
}
private static Map mergeAttributes(ServerRequest request,
Map pathVariables, PathPattern pattern) {
Map result = new ConcurrentHashMap<>(request.attributes());
result.put(RouterFunctions.URI_TEMPLATE_VARIABLES_ATTRIBUTE,
mergePathVariables(request.pathVariables(), pathVariables));
pattern = mergePatterns(
(PathPattern) request.attributes().get(RouterFunctions.MATCHING_PATTERN_ATTRIBUTE),
pattern);
result.put(RouterFunctions.MATCHING_PATTERN_ATTRIBUTE, pattern);
return result;
}
@Override
public HttpMethod method() {
return this.request.method();
}
@Override
public String methodName() {
return this.request.methodName();
}
@Override
public URI uri() {
return this.request.uri();
}
@Override
public UriBuilder uriBuilder() {
return this.request.uriBuilder();
}
@Override
public String path() {
return this.pathContainer.value();
}
@Override
public PathContainer pathContainer() {
return this.pathContainer;
}
@Override
public Headers headers() {
return this.request.headers();
}
@Override
public MultiValueMap cookies() {
return this.request.cookies();
}
@Override
public Optional remoteAddress() {
return this.request.remoteAddress();
}
@Override
public List> messageConverters() {
return this.request.messageConverters();
}
@Override
public T body(Class bodyType) throws ServletException, IOException {
return this.request.body(bodyType);
}
@Override
public T body(ParameterizedTypeReference bodyType)
throws ServletException, IOException {
return this.request.body(bodyType);
}
@Override
public Optional