Merge branch '5.2.x'

# Conflicts:
#	build.gradle
#	spring-test/src/main/java/org/springframework/mock/http/server/reactive/MockServerHttpRequest.java
#	spring-web/src/testFixtures/java/org/springframework/web/testfixture/http/server/reactive/MockServerHttpRequest.java
#	spring-webflux/src/main/java/org/springframework/web/reactive/function/client/DefaultWebClientBuilder.java

build.gradle

@@ -151,7 +151,7 @@ configure(allprojects) { project ->
 			dependency("org.apache.httpcomponents:httpasyncclient:4.1.4") {
 				exclude group: "commons-logging", name: "commons-logging"
 			}
-			dependency "org.eclipse.jetty:jetty-reactive-httpclient:1.1.2"
+			dependency "org.eclipse.jetty:jetty-reactive-httpclient:1.1.3"
 			dependency 'org.apache.httpcomponents.client5:httpclient5:5.0'
 			dependency 'org.apache.httpcomponents.core5:httpcore5-reactive:5.0'
 

spring-test/src/main/java/org/springframework/mock/http/server/reactive/MockServerHttpRequest.java

@@ -76,15 +76,15 @@ public final class MockServerHttpRequest extends AbstractServerHttpRequest {
 
 	private MockServerHttpRequest(String httpMethod,
 			URI uri, @Nullable String contextPath, HttpHeaders headers, MultiValueMap<String, HttpCookie> cookies,
-			@Nullable InetSocketAddress remoteAddress, @Nullable InetSocketAddress localAddress,
+			@Nullable InetSocketAddress localAddress, @Nullable InetSocketAddress remoteAddress,
 			@Nullable SslInfo sslInfo, Publisher<? extends DataBuffer> body) {
 
 		super(uri, contextPath, headers);
 		Assert.isTrue(StringUtils.hasText(httpMethod), "HTTP method is required.");
 		this.httpMethod = httpMethod;
 		this.cookies = cookies;
-		this.remoteAddress = remoteAddress;
 		this.localAddress = localAddress;
+		this.remoteAddress = remoteAddress;
 		this.sslInfo = sslInfo;
 		this.body = Flux.from(body);
 	}
@@ -382,9 +382,9 @@ public final class MockServerHttpRequest extends AbstractServerHttpRequest {
 		 * @see BodyBuilder#body(String)
 		 */
 		MockServerHttpRequest build();
-
 	}
 
+
 	/**
 	 * A builder that adds a body to the request.
 	 */
@@ -423,7 +423,6 @@ public final class MockServerHttpRequest extends AbstractServerHttpRequest {
 		 * @return the built request entity
 		 */
 		MockServerHttpRequest body(String body);
-
 	}
 
 
@@ -597,7 +596,7 @@ public final class MockServerHttpRequest extends AbstractServerHttpRequest {
 		public MockServerHttpRequest body(Publisher<? extends DataBuffer> body) {
 			applyCookiesIfNecessary();
 			return new MockServerHttpRequest(this.methodValue, getUrlToUse(), this.contextPath,
-					this.headers, this.cookies, this.remoteAddress, this.localAddress, this.sslInfo, body);
+					this.headers, this.cookies, this.localAddress, this.remoteAddress, this.sslInfo, body);
 		}
 
 		private void applyCookiesIfNecessary() {
@@ -610,11 +609,9 @@ public final class MockServerHttpRequest extends AbstractServerHttpRequest {
 		private URI getUrlToUse() {
 			MultiValueMap<String, String> params =
 					this.queryParamsBuilder.buildAndExpand().encode().getQueryParams();
-
 			if (!params.isEmpty()) {
 				return UriComponentsBuilder.fromUri(this.url).queryParams(params).build(true).toUri();
 			}
-
 			return this.url;
 		}
 	}

spring-web/src/main/java/org/springframework/http/RequestEntity.java

@@ -64,6 +64,8 @@ import org.springframework.web.util.UriTemplateHandler;
  * @param <T> the body type
  * @see #getMethod()
  * @see #getUrl()
+ * @see org.springframework.web.client.RestOperations#exchange(RequestEntity, Class)
+ * @see ResponseEntity
  */
 public class RequestEntity<T> extends HttpEntity<T> {
 

spring-web/src/main/java/org/springframework/http/ResponseEntity.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * 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.
@@ -70,6 +70,10 @@ import org.springframework.util.ObjectUtils;
  * @since 3.0.2
  * @param <T> the body type
  * @see #getStatusCode()
+ * @see org.springframework.web.client.RestOperations#getForEntity(String, Class, Object...)
+ * @see org.springframework.web.client.RestOperations#getForEntity(String, Class, java.util.Map)
+ * @see org.springframework.web.client.RestOperations#getForEntity(URI, Class)
+ * @see RequestEntity
  */
 public class ResponseEntity<T> extends HttpEntity<T> {
 
@@ -217,19 +221,6 @@ public class ResponseEntity<T> extends HttpEntity<T> {
 		return new DefaultBuilder(status);
 	}
 
-	/**
-	 * A shortcut for creating a {@code ResponseEntity} with the given body
-	 * and the {@linkplain HttpStatus#OK OK} status, or an empty body and a
-	 * {@linkplain HttpStatus#NOT_FOUND NOT FOUND} status in case of an
-	 * {@linkplain Optional#empty()} parameter.
-	 * @return the created {@code ResponseEntity}
-	 * @since 5.1
-	 */
-	public static <T> ResponseEntity<T> of(Optional<T> body) {
-		Assert.notNull(body, "Body must not be null");
-		return body.map(ResponseEntity::ok).orElse(notFound().build());
-	}
-
 	/**
 	 * Create a builder with the status set to {@linkplain HttpStatus#OK OK}.
 	 * @return the created builder
@@ -246,8 +237,20 @@ public class ResponseEntity<T> extends HttpEntity<T> {
 	 * @since 4.1
 	 */
 	public static <T> ResponseEntity<T> ok(T body) {
-		BodyBuilder builder = ok();
-		return builder.body(body);
+		return ok().body(body);
+	}
+
+	/**
+	 * A shortcut for creating a {@code ResponseEntity} with the given body
+	 * and the {@linkplain HttpStatus#OK OK} status, or an empty body and a
+	 * {@linkplain HttpStatus#NOT_FOUND NOT FOUND} status in case of an
+	 * {@linkplain Optional#empty()} parameter.
+	 * @return the created {@code ResponseEntity}
+	 * @since 5.1
+	 */
+	public static <T> ResponseEntity<T> of(Optional<T> body) {
+		Assert.notNull(body, "Body must not be null");
+		return body.map(ResponseEntity::ok).orElseGet(() -> notFound().build());
 	}
 
 	/**
@@ -258,8 +261,7 @@ public class ResponseEntity<T> extends HttpEntity<T> {
 	 * @since 4.1
 	 */
 	public static BodyBuilder created(URI location) {
-		BodyBuilder builder = status(HttpStatus.CREATED);
-		return builder.location(location);
+		return status(HttpStatus.CREATED).location(location);
 	}
 
 	/**

spring-web/src/testFixtures/java/org/springframework/web/testfixture/http/server/reactive/MockServerHttpRequest.java

@@ -76,15 +76,15 @@ public final class MockServerHttpRequest extends AbstractServerHttpRequest {
 
 	private MockServerHttpRequest(String httpMethod,
 			URI uri, @Nullable String contextPath, HttpHeaders headers, MultiValueMap<String, HttpCookie> cookies,
-			@Nullable InetSocketAddress remoteAddress, @Nullable InetSocketAddress localAddress,
+			@Nullable InetSocketAddress localAddress, @Nullable InetSocketAddress remoteAddress,
 			@Nullable SslInfo sslInfo, Publisher<? extends DataBuffer> body) {
 
 		super(uri, contextPath, headers);
 		Assert.isTrue(StringUtils.hasText(httpMethod), "HTTP method is required.");
 		this.httpMethod = httpMethod;
 		this.cookies = cookies;
-		this.remoteAddress = remoteAddress;
 		this.localAddress = localAddress;
+		this.remoteAddress = remoteAddress;
 		this.sslInfo = sslInfo;
 		this.body = Flux.from(body);
 	}
@@ -382,9 +382,9 @@ public final class MockServerHttpRequest extends AbstractServerHttpRequest {
 		 * @see BodyBuilder#body(String)
 		 */
 		MockServerHttpRequest build();
-
 	}
 
+
 	/**
 	 * A builder that adds a body to the request.
 	 */
@@ -423,7 +423,6 @@ public final class MockServerHttpRequest extends AbstractServerHttpRequest {
 		 * @return the built request entity
 		 */
 		MockServerHttpRequest body(String body);
-
 	}
 
 
@@ -597,7 +596,7 @@ public final class MockServerHttpRequest extends AbstractServerHttpRequest {
 		public MockServerHttpRequest body(Publisher<? extends DataBuffer> body) {
 			applyCookiesIfNecessary();
 			return new MockServerHttpRequest(this.methodValue, getUrlToUse(), this.contextPath,
-					this.headers, this.cookies, this.remoteAddress, this.localAddress, this.sslInfo, body);
+					this.headers, this.cookies, this.localAddress, this.remoteAddress, this.sslInfo, body);
 		}
 
 		private void applyCookiesIfNecessary() {
@@ -610,11 +609,9 @@ public final class MockServerHttpRequest extends AbstractServerHttpRequest {
 		private URI getUrlToUse() {
 			MultiValueMap<String, String> params =
 					this.queryParamsBuilder.buildAndExpand().encode().getQueryParams();
-
 			if (!params.isEmpty()) {
 				return UriComponentsBuilder.fromUri(this.url).queryParams(params).build(true).toUri();
 			}
-
 			return this.url;
 		}
 	}

spring-webflux/src/main/java/org/springframework/web/reactive/config/WebFluxConfigurationSupport.java

@@ -273,6 +273,7 @@ public class WebFluxConfigurationSupport implements ApplicationContextAware {
 			ServerCodecConfigurer serverCodecConfigurer,
 			@Qualifier("webFluxConversionService") FormattingConversionService conversionService,
 			@Qualifier("webFluxValidator") Validator validator) {
+
 		RequestMappingHandlerAdapter adapter = createRequestMappingHandlerAdapter();
 		adapter.setMessageReaders(serverCodecConfigurer.getReaders());
 		adapter.setWebBindingInitializer(getConfigurableWebBindingInitializer(conversionService, validator));

spring-webflux/src/main/java/org/springframework/web/reactive/function/client/DefaultWebClient.java

@@ -417,26 +417,23 @@ class DefaultWebClient implements WebClient {
 
 	private static class DefaultResponseSpec implements ResponseSpec {
 
-		private static final IntPredicate STATUS_CODE_ERROR = value -> value >= 400;
+		private static final IntPredicate STATUS_CODE_ERROR = (value -> value >= 400);
 
 		private static final StatusHandler DEFAULT_STATUS_HANDLER =
 				new StatusHandler(STATUS_CODE_ERROR, ClientResponse::createException);
 
-
 		private final Mono<ClientResponse> responseMono;
 
 		private final Supplier<HttpRequest> requestSupplier;
 
 		private final List<StatusHandler> statusHandlers = new ArrayList<>(1);
 
-
 		DefaultResponseSpec(Mono<ClientResponse> responseMono, Supplier<HttpRequest> requestSupplier) {
 			this.responseMono = responseMono;
 			this.requestSupplier = requestSupplier;
 			this.statusHandlers.add(DEFAULT_STATUS_HANDLER);
 		}
 
-
 		@Override
 		public ResponseSpec onStatus(Predicate<HttpStatus> statusPredicate,
 				Function<ClientResponse, Mono<? extends Throwable>> exceptionFunction) {

spring-webflux/src/main/java/org/springframework/web/reactive/function/client/DefaultWebClientBuilder.java

@@ -106,6 +106,7 @@ final class DefaultWebClientBuilder implements WebClient.Builder {
 		this.defaultUriVariables = (other.defaultUriVariables != null ?
 				new LinkedHashMap<>(other.defaultUriVariables) : null);
 		this.uriBuilderFactory = other.uriBuilderFactory;
+
 		if (other.defaultHeaders != null) {
 			this.defaultHeaders = new HttpHeaders();
 			this.defaultHeaders.putAll(other.defaultHeaders);
@@ -113,13 +114,16 @@ final class DefaultWebClientBuilder implements WebClient.Builder {
 		else {
 			this.defaultHeaders = null;
 		}
+
 		this.defaultCookies = (other.defaultCookies != null ?
 				new LinkedMultiValueMap<>(other.defaultCookies) : null);
 		this.defaultRequest = other.defaultRequest;
-		this.filters = other.filters != null ? new ArrayList<>(other.filters) : null;
+		this.filters = (other.filters != null ? new ArrayList<>(other.filters) : null);
+
 		this.connector = other.connector;
 		this.strategies = other.strategies;
-		this.strategiesConfigurers = other.strategiesConfigurers != null ? new ArrayList<>(other.strategiesConfigurers) : null;
+		this.strategiesConfigurers = (other.strategiesConfigurers != null ?
+				new ArrayList<>(other.strategiesConfigurers) : null);
 		this.exchangeFunction = other.exchangeFunction;
 	}
 
@@ -288,10 +292,10 @@ final class DefaultWebClientBuilder implements WebClient.Builder {
 
 	private ExchangeStrategies initExchangeStrategies() {
 		if (CollectionUtils.isEmpty(this.strategiesConfigurers)) {
-			return this.strategies != null ? this.strategies : ExchangeStrategies.withDefaults();
+			return (this.strategies != null ? this.strategies : ExchangeStrategies.withDefaults());
 		}
 		ExchangeStrategies.Builder builder =
-				this.strategies != null ? this.strategies.mutate() : ExchangeStrategies.builder();
+				(this.strategies != null ? this.strategies.mutate() : ExchangeStrategies.builder());
 		this.strategiesConfigurers.forEach(configurer -> configurer.accept(builder));
 		return builder.build();
 	}
@@ -300,8 +304,8 @@ final class DefaultWebClientBuilder implements WebClient.Builder {
 		if (this.uriBuilderFactory != null) {
 			return this.uriBuilderFactory;
 		}
-		DefaultUriBuilderFactory factory = this.baseUrl != null ?
-				new DefaultUriBuilderFactory(this.baseUrl) : new DefaultUriBuilderFactory();
+		DefaultUriBuilderFactory factory = (this.baseUrl != null ?
+				new DefaultUriBuilderFactory(this.baseUrl) : new DefaultUriBuilderFactory());
 		factory.setDefaultUriVariables(this.defaultUriVariables);
 		return factory;
 	}