Fix package tangle in spring-boot-actuator

Introduce ManagementServletContext interface as a facade for
ManagementServerProperties to resolve the package tangle between
`o.s.boot.actuate.endpoint.mvc` and `o.s.boot.actuate`

Fixes gh-3887

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

@@ -34,6 +34,7 @@ import org.springframework.beans.factory.annotation.AnnotatedBeanDefinition;
 import org.springframework.beans.factory.config.BeanDefinition;
 import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
 import org.springframework.boot.actuate.endpoint.Endpoint;
+import org.springframework.boot.actuate.endpoint.mvc.ManagementServletContext;
 import org.springframework.boot.autoconfigure.AutoConfigureAfter;
 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
 import org.springframework.boot.autoconfigure.PropertyPlaceholderAutoConfiguration;
@@ -120,6 +121,19 @@ public class EndpointWebMvcAutoConfiguration implements ApplicationContextAware,
 		return new ManagementContextResolver(this.applicationContext);
 	}
 
+	@Bean
+	public ManagementServletContext managementServletContext(
+			final ManagementServerProperties properties) {
+		return new ManagementServletContext() {
+
+			@Override
+			public String getContextPath() {
+				return properties.getContextPath();
+			}
+
+		};
+	}
+
 	@Override
 	public void afterSingletonsInstantiated() {
 		ManagementServerPort managementPort = ManagementServerPort.DIFFERENT;

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

@@ -28,6 +28,7 @@ import org.springframework.boot.actuate.endpoint.mvc.ActuatorDocsEndpoint;
 import org.springframework.boot.actuate.endpoint.mvc.ActuatorHalBrowserEndpoint;
 import org.springframework.boot.actuate.endpoint.mvc.ActuatorHalJsonEndpoint;
 import org.springframework.boot.actuate.endpoint.mvc.HypermediaDisabled;
+import org.springframework.boot.actuate.endpoint.mvc.ManagementServletContext;
 import org.springframework.boot.actuate.endpoint.mvc.MvcEndpoint;
 import org.springframework.boot.actuate.endpoint.mvc.MvcEndpoints;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
@@ -87,22 +88,36 @@ import static org.springframework.hateoas.mvc.ControllerLinkBuilder.linkTo;
 @EnableConfigurationProperties(ResourceProperties.class)
 public class EndpointWebMvcHypermediaManagementContextConfiguration {
 
+	@Bean
+	public ManagementServletContext managementServletContext(
+			final ManagementServerProperties properties) {
+		return new ManagementServletContext() {
+
+			@Override
+			public String getContextPath() {
+				return properties.getContextPath();
+			}
+
+		};
+	}
+
 	@ConditionalOnProperty(prefix = "endpoints.actuator", name = "enabled", matchIfMissing = true)
 	@Bean
 	public ActuatorHalJsonEndpoint actuatorMvcEndpoint(
-			ManagementServerProperties management, ResourceProperties resources,
-			ResourceLoader resourceLoader) {
+			ManagementServletContext managementServletContext,
+			ResourceProperties resources, ResourceLoader resourceLoader) {
 		if (ActuatorHalBrowserEndpoint.getHalBrowserLocation(resourceLoader) != null) {
-			return new ActuatorHalBrowserEndpoint(management);
+			return new ActuatorHalBrowserEndpoint(managementServletContext);
 		}
-		return new ActuatorHalJsonEndpoint(management);
+		return new ActuatorHalJsonEndpoint(managementServletContext);
 	}
 
 	@Bean
 	@ConditionalOnProperty(prefix = "endpoints.docs", name = "enabled", matchIfMissing = true)
 	@ConditionalOnResource(resources = "classpath:/META-INF/resources/spring-boot-actuator/docs/index.html")
-	public ActuatorDocsEndpoint actuatorDocsEndpoint(ManagementServerProperties management) {
-		return new ActuatorDocsEndpoint(management);
+	public ActuatorDocsEndpoint actuatorDocsEndpoint(
+			ManagementServletContext managementServletContext) {
+		return new ActuatorDocsEndpoint(managementServletContext);
 	}
 
 	@Bean

spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/mvc/ActuatorDocsEndpoint.java

@@ -16,7 +16,6 @@
 
 package org.springframework.boot.actuate.endpoint.mvc;
 
-import org.springframework.boot.actuate.autoconfigure.ManagementServerProperties;
 import org.springframework.boot.actuate.endpoint.Endpoint;
 import org.springframework.boot.context.properties.ConfigurationProperties;
 import org.springframework.http.MediaType;
@@ -39,7 +38,7 @@ public class ActuatorDocsEndpoint extends WebMvcConfigurerAdapter implements Mvc
 
 	private boolean sensitive;
 
-	private ManagementServerProperties management;
+	private final ManagementServletContext managementServletContext;
 
 	private Curies curies = new Curies();
 
@@ -47,23 +46,26 @@ public class ActuatorDocsEndpoint extends WebMvcConfigurerAdapter implements Mvc
 		return this.curies;
 	}
 
-	public ActuatorDocsEndpoint(ManagementServerProperties management) {
-		this.management = management;
+	public ActuatorDocsEndpoint(ManagementServletContext managementServletContext) {
+		this.managementServletContext = managementServletContext;
 	}
 
 	@RequestMapping(value = "/", produces = MediaType.TEXT_HTML_VALUE)
 	public String browse() {
-		return "forward:" + this.management.getContextPath() + this.path + "/index.html";
+		return "forward:" + this.managementServletContext.getContextPath() + this.path
+				+ "/index.html";
 	}
 
 	@RequestMapping(value = "", produces = MediaType.TEXT_HTML_VALUE)
 	public String redirect() {
-		return "redirect:" + this.management.getContextPath() + this.path + "/";
+		return "redirect:" + this.managementServletContext.getContextPath() + this.path
+				+ "/";
 	}
 
 	@Override
 	public void addResourceHandlers(ResourceHandlerRegistry registry) {
-		registry.addResourceHandler(this.management.getContextPath() + this.path + "/**")
+		registry.addResourceHandler(
+				this.managementServletContext.getContextPath() + this.path + "/**")
 				.addResourceLocations(DOCS_LOCATION);
 	}
 

spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/mvc/ActuatorHalBrowserEndpoint.java

@@ -21,7 +21,6 @@ import java.nio.charset.Charset;
 
 import javax.servlet.http.HttpServletRequest;
 
-import org.springframework.boot.actuate.autoconfigure.ManagementServerProperties;
 import org.springframework.context.ResourceLoaderAware;
 import org.springframework.core.io.Resource;
 import org.springframework.core.io.ResourceLoader;
@@ -47,13 +46,13 @@ public class ActuatorHalBrowserEndpoint extends ActuatorHalJsonEndpoint implemen
 
 	private HalBrowserLocation location;
 
-	public ActuatorHalBrowserEndpoint(ManagementServerProperties management) {
-		super(management);
+	public ActuatorHalBrowserEndpoint(ManagementServletContext managementServletContext) {
+		super(managementServletContext);
 	}
 
 	@RequestMapping(produces = MediaType.TEXT_HTML_VALUE)
 	public String browse(HttpServletRequest request) {
-		String contextPath = getManagement().getContextPath()
+		String contextPath = getManagementServletContext().getContextPath()
 				+ (getPath().endsWith("/") ? getPath() : getPath() + "/");
 		if (request.getRequestURI().endsWith("/")) {
 			return "forward:" + contextPath + this.location.getHtmlFile();
@@ -71,7 +70,7 @@ public class ActuatorHalBrowserEndpoint extends ActuatorHalJsonEndpoint implemen
 		// Make sure the root path is not cached so the browser comes back for the JSON
 		// and add a transformer to set the initial link
 		if (this.location != null) {
-			String start = getManagement().getContextPath() + getPath();
+			String start = getManagementServletContext().getContextPath() + getPath();
 			registry.addResourceHandler(start + "/", start + "/**")
 					.addResourceLocations(this.location.getResourceLocation())
 					.setCachePeriod(0).resourceChain(true)
@@ -138,9 +137,8 @@ public class ActuatorHalBrowserEndpoint extends ActuatorHalJsonEndpoint implemen
 		private Resource replaceInitialLink(Resource resource) throws IOException {
 			byte[] bytes = FileCopyUtils.copyToByteArray(resource.getInputStream());
 			String content = new String(bytes, DEFAULT_CHARSET);
-			String initialLink = getManagement().getContextPath() + getPath();
-			content = content.replace("entryPoint: '/'", "entryPoint: '" + initialLink
-					+ "'");
+			String initial = getManagementServletContext().getContextPath() + getPath();
+			content = content.replace("entryPoint: '/'", "entryPoint: '" + initial + "'");
 			return new TransformedResource(resource, content.getBytes(DEFAULT_CHARSET));
 		}
 

spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/mvc/ActuatorHalJsonEndpoint.java

@@ -19,7 +19,6 @@ package org.springframework.boot.actuate.endpoint.mvc;
 import javax.validation.constraints.NotNull;
 import javax.validation.constraints.Pattern;
 
-import org.springframework.boot.actuate.autoconfigure.ManagementServerProperties;
 import org.springframework.boot.actuate.endpoint.Endpoint;
 import org.springframework.boot.context.properties.ConfigurationProperties;
 import org.springframework.hateoas.ResourceSupport;
@@ -58,16 +57,18 @@ public class ActuatorHalJsonEndpoint extends WebMvcConfigurerAdapter implements
 	 */
 	private boolean enabled = true;
 
-	private final ManagementServerProperties management;
+	private final ManagementServletContext managementServletContext;
 
-	public ActuatorHalJsonEndpoint(ManagementServerProperties management) {
-		this.management = management;
-		if (StringUtils.hasText(management.getContextPath())) {
-			this.path = "";
-		}
-		else {
-			this.path = "/actuator";
+	public ActuatorHalJsonEndpoint(ManagementServletContext managementServletContext) {
+		this.managementServletContext = managementServletContext;
+		this.path = getDefaultPath(managementServletContext);
+	}
+
+	private String getDefaultPath(ManagementServletContext managementServletContext) {
+		if (StringUtils.hasText(managementServletContext.getContextPath())) {
+			return this.path = "";
 		}
+		return "/actuator";
 	}
 
 	@RequestMapping(produces = MediaType.APPLICATION_JSON_VALUE)
@@ -107,8 +108,8 @@ public class ActuatorHalJsonEndpoint extends WebMvcConfigurerAdapter implements
 		return null;
 	}
 
-	protected final ManagementServerProperties getManagement() {
-		return this.management;
+	protected final ManagementServletContext getManagementServletContext() {
+		return this.managementServletContext;
 	}
 
 }

spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/mvc/ManagementServletContext.java

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2012-2015 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.endpoint.mvc;
+
+/**
+ * Provides information about the management servlet context for MVC controllers to use.
+ *
+ * @author Phillip Webb
+ * @since 1.3.0
+ */
+public interface ManagementServletContext {
+
+	/**
+	 * Return the context path of the management server.
+	 * @return the context path
+	 */
+	String getContextPath();
+
+}