Narrow auto-configure checkstyle suppressions

Closes gh-21015

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/AutoConfigureOrder.java

@@ -48,6 +48,9 @@ import org.springframework.core.annotation.Order;
 @Documented
 public @interface AutoConfigureOrder {
 
+	/**
+	 * The default order value.
+	 */
 	int DEFAULT_ORDER = 0;
 
 	/**

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/EnableAutoConfiguration.java

@@ -83,6 +83,10 @@ import org.springframework.core.io.support.SpringFactoriesLoader;
 @Import(AutoConfigurationImportSelector.class)
 public @interface EnableAutoConfiguration {
 
+	/**
+	 * Environment property that can be used to override when auto-configuration is
+	 * enabled.
+	 */
 	String ENABLED_OVERRIDE_PROPERTY = "spring.boot.enableautoconfiguration";
 
 	/**

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/cloud/CloudServiceConnectorsAutoConfiguration.java

@@ -54,7 +54,10 @@ import org.springframework.core.Ordered;
 @Import(CloudScanConfiguration.class)
 public class CloudServiceConnectorsAutoConfiguration {
 
-	// Cloud configuration needs to happen early (before data, mongo etc.)
+	/**
+	 * The order for cloud configuration. Cloud configurations need to happen early (so
+	 * that they run before data, mongo, etc.).
+	 */
 	public static final int ORDER = Ordered.HIGHEST_PRECEDENCE + 20;
 
 	private static final Log logger = LogFactory.getLog(CloudServiceConnectorsAutoConfiguration.class);

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/condition/ConditionMessage.java

@@ -400,18 +400,28 @@ public final class ConditionMessage {
 	 */
 	public enum Style {
 
+		/**
+		 * Render with normal styling.
+		 */
 		NORMAL {
+
 			@Override
 			protected Object applyToItem(Object item) {
 				return item;
 			}
+
 		},
 
+		/**
+		 * Render with the item surrounded by quotes.
+		 */
 		QUOTE {
+
 			@Override
 			protected String applyToItem(Object item) {
 				return (item != null) ? "'" + item + "'" : null;
 			}
+
 		};
 
 		public Collection<?> applyTo(Collection<?> items) {

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/servlet/DispatcherServletAutoConfiguration.java

@@ -70,13 +70,13 @@ import org.springframework.web.servlet.DispatcherServlet;
 @AutoConfigureAfter(ServletWebServerFactoryAutoConfiguration.class)
 public class DispatcherServletAutoConfiguration {
 
-	/*
+	/**
-	 * The bean name for a DispatcherServlet that will be mapped to the root URL "/"
+	 * The bean name for a DispatcherServlet that will be mapped to the root URL "/".
 	 */
 	public static final String DEFAULT_DISPATCHER_SERVLET_BEAN_NAME = "dispatcherServlet";
 
-	/*
+	/**
-	 * The bean name for a ServletRegistrationBean for the DispatcherServlet "/"
+	 * The bean name for a ServletRegistrationBean for the DispatcherServlet "/".
 	 */
 	public static final String DEFAULT_DISPATCHER_SERVLET_REGISTRATION_BEAN_NAME = "dispatcherServletRegistration";
 

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/servlet/WebMvcAutoConfiguration.java

@@ -141,8 +141,14 @@ import org.springframework.web.servlet.view.InternalResourceViewResolver;
 		ValidationAutoConfiguration.class })
 public class WebMvcAutoConfiguration {
 
+	/**
+	 * The default Spring MVC view prefix.
+	 */
 	public static final String DEFAULT_PREFIX = "";
 
+	/**
+	 * The default Spring MVC view suffix.
+	 */
 	public static final String DEFAULT_SUFFIX = "";
 
 	private static final String[] SERVLET_LOCATIONS = { "/" };

src/checkstyle/checkstyle-suppressions.xml

@@ -15,8 +15,8 @@
 	<suppress files="[\\/]src[\\/]test[\\/]java[\\/]" checks="Javadoc*" />
 	<suppress files="[\\/]src[\\/]test[\\/]java[\\/]" id="mainCodeIllegalImportCheck" />
 	<suppress files="[\\/]src[\\/]test[\\/]java[\\/]" checks="NonEmptyAtclauseDescription" />
-	<suppress files="[\\/]autoconfigure[\\/]" checks="JavadocType" />
+	<suppress files="[\\/]autoconfigure[\\/].*Properties\.java" checks="JavadocType" />
-	<suppress files="[\\/]autoconfigure[\\/]" checks="JavadocVariable" />
+	<suppress files="[\\/]autoconfigure[\\/].*Properties\.java" checks="JavadocVariable" />
 	<suppress files="[\\/]spring-boot-docs[\\/]" checks="JavadocType" />
 	<suppress files="[\\/]spring-boot-smoke-tests[\\/]" checks="JavadocType" />
 	<suppress files="[\\/]spring-boot-smoke-tests[\\/]" checks="ImportControl" />