Merge branch '3.4.x'

Closes gh-45803

Author: wilkinsona

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/endpoint/condition/OnAvailableEndpointCondition.java

@@ -71,12 +71,11 @@ class OnAvailableEndpointCondition extends SpringBootCondition {
 
 	@Override
 	public ConditionOutcome getMatchOutcome(ConditionContext context, AnnotatedTypeMetadata metadata) {
-		Environment environment = context.getEnvironment();
 		MergedAnnotation<ConditionalOnAvailableEndpoint> conditionAnnotation = metadata.getAnnotations()
 			.get(ConditionalOnAvailableEndpoint.class);
 		Class<?> target = getTarget(context, metadata, conditionAnnotation);
 		MergedAnnotation<Endpoint> endpointAnnotation = getEndpointAnnotation(target);
-		return getMatchOutcome(environment, conditionAnnotation, endpointAnnotation);
+		return getMatchOutcome(context, conditionAnnotation, endpointAnnotation);
 	}
 
 	private Class<?> getTarget(ConditionContext context, AnnotatedTypeMetadata metadata,
@@ -109,16 +108,17 @@ protected MergedAnnotation<Endpoint> getEndpointAnnotation(Class<?> target) {
 		return getEndpointAnnotation(extension.getClass("endpoint"));
 	}
 
-	private ConditionOutcome getMatchOutcome(Environment environment,
+	private ConditionOutcome getMatchOutcome(ConditionContext context,
 			MergedAnnotation<ConditionalOnAvailableEndpoint> conditionAnnotation,
 			MergedAnnotation<Endpoint> endpointAnnotation) {
 		ConditionMessage.Builder message = ConditionMessage.forCondition(ConditionalOnAvailableEndpoint.class);
+		Environment environment = context.getEnvironment();
 		EndpointId endpointId = EndpointId.of(environment, endpointAnnotation.getString("id"));
 		ConditionOutcome accessOutcome = getAccessOutcome(environment, endpointAnnotation, endpointId, message);
 		if (!accessOutcome.isMatch()) {
 			return accessOutcome;
 		}
-		ConditionOutcome exposureOutcome = getExposureOutcome(environment, conditionAnnotation, endpointAnnotation,
+		ConditionOutcome exposureOutcome = getExposureOutcome(context, conditionAnnotation, endpointAnnotation,
 				endpointId, message);
 		return (exposureOutcome != null) ? exposureOutcome : ConditionOutcome.noMatch(message.because("not exposed"));
 	}
@@ -137,11 +137,11 @@ private Access getAccess(Environment environment, EndpointId endpointId, Access
 			.accessFor(endpointId, defaultAccess);
 	}
 
-	private ConditionOutcome getExposureOutcome(Environment environment,
+	private ConditionOutcome getExposureOutcome(ConditionContext context,
 			MergedAnnotation<ConditionalOnAvailableEndpoint> conditionAnnotation,
 			MergedAnnotation<Endpoint> endpointAnnotation, EndpointId endpointId, Builder message) {
 		Set<EndpointExposure> exposures = getExposures(conditionAnnotation);
-		Set<EndpointExposureOutcomeContributor> outcomeContributors = getExposureOutcomeContributors(environment);
+		Set<EndpointExposureOutcomeContributor> outcomeContributors = getExposureOutcomeContributors(context);
 		for (EndpointExposureOutcomeContributor outcomeContributor : outcomeContributors) {
 			ConditionOutcome outcome = outcomeContributor.getExposureOutcome(endpointId, exposures, message);
 			if (outcome != null && outcome.isMatch()) {
@@ -166,23 +166,25 @@ private Set<EndpointExposure> replaceCloudFoundryExposure(Collection<EndpointExp
 		return result;
 	}
 
-	private Set<EndpointExposureOutcomeContributor> getExposureOutcomeContributors(Environment environment) {
+	private Set<EndpointExposureOutcomeContributor> getExposureOutcomeContributors(ConditionContext context) {
+		Environment environment = context.getEnvironment();
 		Set<EndpointExposureOutcomeContributor> contributors = exposureOutcomeContributorsCache.get(environment);
 		if (contributors == null) {
 			contributors = new LinkedHashSet<>();
 			contributors.add(new StandardExposureOutcomeContributor(environment, EndpointExposure.WEB));
 			if (environment.getProperty(JMX_ENABLED_KEY, Boolean.class, false)) {
 				contributors.add(new StandardExposureOutcomeContributor(environment, EndpointExposure.JMX));
 			}
-			contributors.addAll(loadExposureOutcomeContributors(environment));
+			contributors.addAll(loadExposureOutcomeContributors(context.getClassLoader(), environment));
 			exposureOutcomeContributorsCache.put(environment, contributors);
 		}
 		return contributors;
 	}
 
-	private List<EndpointExposureOutcomeContributor> loadExposureOutcomeContributors(Environment environment) {
+	private List<EndpointExposureOutcomeContributor> loadExposureOutcomeContributors(ClassLoader classLoader,
+			Environment environment) {
 		ArgumentResolver argumentResolver = ArgumentResolver.of(Environment.class, environment);
-		return SpringFactoriesLoader.forDefaultResourceLocation()
+		return SpringFactoriesLoader.forDefaultResourceLocation(classLoader)
 			.load(EndpointExposureOutcomeContributor.class, argumentResolver);
 	}
 

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/endpoint/condition/ConditionalOnAvailableEndpointTests.java

@@ -294,6 +294,13 @@ void whenDisabledAndAccessibleByDefaultEndpointCanBeAvailable() {
 			.run((context) -> assertThat(context).hasSingleBean(DisabledButAccessibleEndpoint.class));
 	}
 
+	@Test
+	@WithTestEndpointOutcomeExposureContributor
+	void exposureOutcomeContributorCanMakeEndpointAvailable() {
+		this.contextRunner.withPropertyValues("management.endpoints.test.exposure.include=test")
+			.run((context) -> assertThat(context).hasSingleBean(TestEndpoint.class));
+	}
+
 	@Endpoint(id = "health")
 	static class HealthEndpoint {
 

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/endpoint/condition/WithTestEndpointOutcomeExposureContributor.java

@@ -0,0 +1,72 @@
+/*
+ * Copyright 2012-2025 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.boot.actuate.autoconfigure.endpoint.condition;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Inherited;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+import java.util.Set;
+
+import org.springframework.boot.actuate.autoconfigure.endpoint.expose.EndpointExposure;
+import org.springframework.boot.actuate.autoconfigure.endpoint.expose.IncludeExcludeEndpointFilter;
+import org.springframework.boot.actuate.endpoint.EndpointId;
+import org.springframework.boot.actuate.endpoint.ExposableEndpoint;
+import org.springframework.boot.autoconfigure.condition.ConditionMessage.Builder;
+import org.springframework.boot.autoconfigure.condition.ConditionOutcome;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
+import org.springframework.core.env.Environment;
+import org.springframework.core.io.support.SpringFactoriesLoader;
+
+/**
+ * Makes a test {@link EndpointExposureOutcomeContributor} available via
+ * {@link SpringFactoriesLoader}.
+ *
+ * @author Andy Wilkinson
+ */
+@Inherited
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.METHOD)
+@WithResource(name = "META-INF/spring.factories",
+		content = """
+				org.springframework.boot.actuate.autoconfigure.endpoint.condition.EndpointExposureOutcomeContributor=\
+				org.springframework.boot.actuate.autoconfigure.endpoint.condition.WithTestEndpointOutcomeExposureContributor.TestEndpointExposureOutcomeContributor
+				""")
+public @interface WithTestEndpointOutcomeExposureContributor {
+
+	class TestEndpointExposureOutcomeContributor implements EndpointExposureOutcomeContributor {
+
+		private final IncludeExcludeEndpointFilter<?> filter;
+
+		TestEndpointExposureOutcomeContributor(Environment environment) {
+			this.filter = new IncludeExcludeEndpointFilter<>(ExposableEndpoint.class, environment,
+					"management.endpoints.test.exposure");
+		}
+
+		@Override
+		public ConditionOutcome getExposureOutcome(EndpointId endpointId, Set<EndpointExposure> exposures,
+				Builder message) {
+			if (this.filter.match(endpointId)) {
+				return ConditionOutcome.match();
+			}
+			return null;
+		}
+
+	}
+
+}