Merge branch '2.0.x'

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/web/jersey/JerseyManagementChildContextConfiguration.java

@@ -16,11 +16,13 @@
 
 package org.springframework.boot.actuate.autoconfigure.web.jersey;
 
+import java.util.Collections;
 import java.util.List;
 
 import org.glassfish.jersey.server.ResourceConfig;
 import org.glassfish.jersey.servlet.ServletContainer;
 
+import org.springframework.beans.factory.ObjectProvider;
 import org.springframework.boot.actuate.autoconfigure.web.ManagementContextConfiguration;
 import org.springframework.boot.actuate.autoconfigure.web.ManagementContextType;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
@@ -49,8 +51,9 @@ public class JerseyManagementChildContextConfiguration {
 	private final List<ResourceConfigCustomizer> resourceConfigCustomizers;
 
 	public JerseyManagementChildContextConfiguration(
-			List<ResourceConfigCustomizer> resourceConfigCustomizers) {
-		this.resourceConfigCustomizers = resourceConfigCustomizers;
+			ObjectProvider<List<ResourceConfigCustomizer>> resourceConfigCustomizers) {
+		this.resourceConfigCustomizers = resourceConfigCustomizers
+				.getIfAvailable(Collections::emptyList);
 	}
 
 	@Bean

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/web/jersey/JerseyManagementChildContextConfigurationTests.java

@@ -0,0 +1,74 @@
+/*
+ * Copyright 2012-2018 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
+ *
+ *      http://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.web.jersey;
+
+import org.glassfish.jersey.server.ResourceConfig;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.springframework.boot.autoconfigure.jersey.ResourceConfigCustomizer;
+import org.springframework.boot.test.context.runner.WebApplicationContextRunner;
+import org.springframework.boot.testsupport.runner.classpath.ClassPathExclusions;
+import org.springframework.boot.testsupport.runner.classpath.ModifiedClassPathRunner;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+
+/**
+ * Tests for {@link JerseyManagementChildContextConfiguration}.
+ *
+ * @author Andy Wilkinson
+ */
+@RunWith(ModifiedClassPathRunner.class)
+@ClassPathExclusions("spring-webmvc-*")
+public class JerseyManagementChildContextConfigurationTests {
+
+	private final WebApplicationContextRunner contextRunner = new WebApplicationContextRunner()
+			.withUserConfiguration(JerseyManagementChildContextConfiguration.class);
+
+	@Test
+	public void resourceConfigIsCustomizedWithResourceConfigCustomizerBean() {
+		this.contextRunner.withUserConfiguration(CustomizerConfiguration.class)
+				.run((context) -> {
+					assertThat(context).hasSingleBean(ResourceConfig.class);
+					ResourceConfig config = context.getBean(ResourceConfig.class);
+					ResourceConfigCustomizer customizer = context
+							.getBean(ResourceConfigCustomizer.class);
+					verify(customizer).customize(config);
+				});
+	}
+
+	@Test
+	public void resourceConfigCustomizerBeanIsNotRequired() {
+		this.contextRunner.run(
+				(context) -> assertThat(context).hasSingleBean(ResourceConfig.class));
+	}
+
+	@Configuration
+	static class CustomizerConfiguration {
+
+		@Bean
+		ResourceConfigCustomizer resourceConfigCustomizer() {
+			return mock(ResourceConfigCustomizer.class);
+		}
+
+	}
+
+}