Avoid using classes from spring-web in core web endpoint infrastructure

Closes gh-10358

spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/endpoint/EndpointAutoConfiguration.java

@@ -63,7 +63,7 @@ public class EndpointAutoConfiguration {
 	static class EndpointWebConfiguration {
 
 		private static final List<String> MEDIA_TYPES = Arrays
-				.asList(ActuatorMediaType.V2_JSON_VALUE, "application/json");
+				.asList(ActuatorMediaType.V2_JSON, "application/json");
 
 		private final ApplicationContext applicationContext;
 

spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/http/ActuatorMediaType.java

@@ -16,10 +16,8 @@
 
 package org.springframework.boot.actuate.endpoint.http;
 
-import org.springframework.http.MediaType;
-
 /**
- * {@link MediaType MediaTypes} that can be consumed and produced by Actuator endpoints.
+ * Media types that can be consumed and produced by Actuator endpoints.
  *
  * @author Andy Wilkinson
  * @author Madhura Bhave
@@ -28,24 +26,14 @@ import org.springframework.http.MediaType;
 public final class ActuatorMediaType {
 
 	/**
-	 * {@link String} equivalent of {@link #V1_JSON}.
-	 */
-	public static final String V1_JSON_VALUE = "application/vnd.spring-boot.actuator.v1+json";
-
-	/**
-	 * {@link String} equivalent of {@link #V2_JSON}.
-	 */
-	public static final String V2_JSON_VALUE = "application/vnd.spring-boot.actuator.v2+json";
-
-	/**
-	 * The {@code application/vnd.spring-boot.actuator.v1+json} media type.
+	 * Constant for the Actuator V1 media type.
 	 */
-	public static final MediaType V1_JSON = MediaType.valueOf(V1_JSON_VALUE);
+	public static final String V1_JSON = "application/vnd.spring-boot.actuator.v1+json";
 
 	/**
-	 * The {@code application/vnd.spring-boot.actuator.v2+json} media type.
+	 * Constant for the Actuator V2 media type.
 	 */
-	public static final MediaType V2_JSON = MediaType.valueOf(V2_JSON_VALUE);
+	public static final String V2_JSON = "application/vnd.spring-boot.actuator.v2+json";
 
 	private ActuatorMediaType() {
 	}

spring-boot-actuator/src/test/java/org/springframework/boot/actuate/endpoint/web/test/JerseyEndpointsRunner.java

@@ -91,7 +91,7 @@ class JerseyEndpointsRunner extends AbstractWebEndpointRunner {
 
 		private void customize(ResourceConfig config) {
 			List<String> mediaTypes = Arrays.asList(MediaType.APPLICATION_JSON_VALUE,
-					ActuatorMediaType.V2_JSON_VALUE);
+					ActuatorMediaType.V2_JSON);
 			WebAnnotationEndpointDiscoverer discoverer = new WebAnnotationEndpointDiscoverer(
 					this.applicationContext,
 					new ConversionServiceOperationParameterMapper(), (id) -> null,

spring-boot-actuator/src/test/java/org/springframework/boot/actuate/endpoint/web/test/WebFluxEndpointsRunner.java

@@ -98,7 +98,7 @@ class WebFluxEndpointsRunner extends AbstractWebEndpointRunner {
 		@Bean
 		public WebFluxEndpointHandlerMapping webEndpointReactiveHandlerMapping() {
 			List<String> mediaTypes = Arrays.asList(MediaType.APPLICATION_JSON_VALUE,
-					ActuatorMediaType.V2_JSON_VALUE);
+					ActuatorMediaType.V2_JSON);
 			WebAnnotationEndpointDiscoverer discoverer = new WebAnnotationEndpointDiscoverer(
 					this.applicationContext,
 					new ConversionServiceOperationParameterMapper(), (id) -> null,

spring-boot-actuator/src/test/java/org/springframework/boot/actuate/endpoint/web/test/WebMvcEndpointRunner.java

@@ -81,7 +81,7 @@ class WebMvcEndpointRunner extends AbstractWebEndpointRunner {
 		@Bean
 		public WebMvcEndpointHandlerMapping webEndpointServletHandlerMapping() {
 			List<String> mediaTypes = Arrays.asList(MediaType.APPLICATION_JSON_VALUE,
-					ActuatorMediaType.V2_JSON_VALUE);
+					ActuatorMediaType.V2_JSON);
 			WebAnnotationEndpointDiscoverer discoverer = new WebAnnotationEndpointDiscoverer(
 					this.applicationContext,
 					new ConversionServiceOperationParameterMapper(), (id) -> null,

spring-boot-actuator/src/test/java/org/springframework/boot/actuate/logger/LoggersEndpointWebIntegrationTests.java

@@ -116,7 +116,7 @@ public class LoggersEndpointWebIntegrationTests {
 	@Test
 	public void setLoggerUsingActuatorV2JsonShouldSetLogLevel() throws Exception {
 		client.post().uri("/application/loggers/ROOT")
-				.contentType(ActuatorMediaType.V2_JSON)
+				.contentType(MediaType.parseMediaType(ActuatorMediaType.V2_JSON))
 				.syncBody(Collections.singletonMap("configuredLevel", "debug")).exchange()
 				.expectStatus().isNoContent();
 		verify(this.loggingSystem).setLogLevel("ROOT", LogLevel.DEBUG);
@@ -134,7 +134,7 @@ public class LoggersEndpointWebIntegrationTests {
 	@Test
 	public void setLoggerWithNullLogLevel() throws Exception {
 		client.post().uri("/application/loggers/ROOT")
-				.contentType(ActuatorMediaType.V2_JSON)
+				.contentType(MediaType.parseMediaType(ActuatorMediaType.V2_JSON))
 				.syncBody(Collections.singletonMap("configuredLevel", null)).exchange()
 				.expectStatus().isNoContent();
 		verify(this.loggingSystem).setLogLevel("ROOT", null);
@@ -143,8 +143,8 @@ public class LoggersEndpointWebIntegrationTests {
 	@Test
 	public void setLoggerWithNoLogLevel() throws Exception {
 		client.post().uri("/application/loggers/ROOT")
-				.contentType(ActuatorMediaType.V2_JSON).syncBody(Collections.emptyMap())
-				.exchange().expectStatus().isNoContent();
+				.contentType(MediaType.parseMediaType(ActuatorMediaType.V2_JSON))
+				.syncBody(Collections.emptyMap()).exchange().expectStatus().isNoContent();
 		verify(this.loggingSystem).setLogLevel("ROOT", null);
 	}
 

spring-boot-parent/src/checkstyle/import-control.xml

@@ -30,17 +30,19 @@
 	</subpackage>
 
 	<!-- Endpoint infrastructure -->
-	<subpackage name="endpoint">
+	<subpackage name="actuate.endpoint">
 		<disallow pkg="org.springframework.http" />
 		<disallow pkg="org.springframework.web" />
 		<subpackage name="web">
+			<subpackage name="servlet">
+				<disallow pkg="org.springframework.web.reactive" />
 				<allow pkg="org.springframework.http" />
 				<allow pkg="org.springframework.web" />
-			<subpackage name="mvc">
-				<disallow pkg="org.springframework.web.reactive" />
 			</subpackage>
 			<subpackage name="reactive">
 				<disallow pkg="org.springframework.web.servlet" />
+				<allow pkg="org.springframework.http" />
+				<allow pkg="org.springframework.web" />
 			</subpackage>
 		</subpackage>
 	</subpackage>