Polishing

spring-webmvc/src/main/java/org/springframework/web/servlet/config/annotation/CorsRegistration.java

@@ -16,7 +16,6 @@
 
 package org.springframework.web.servlet.config.annotation;
 
-import java.util.ArrayList;
 import java.util.Arrays;
 
 import org.springframework.web.cors.CorsConfiguration;
@@ -45,7 +44,6 @@ public class CorsRegistration {
 	 * Create a new {@link CorsRegistration} that allows all origins, headers, and
 	 * credentials for {@code GET}, {@code HEAD}, and {@code POST} requests with
 	 * max age set to 1800 seconds (30 minutes) for the specified path.
-	 *
 	 * @param pathPattern the path that the CORS configuration should apply to;
 	 * exact path mapping URIs (such as {@code "/admin"}) are supported as well
 	 * as Ant-style path patterns (such as {@code "/admin/**"}).
@@ -56,13 +54,14 @@ public class CorsRegistration {
 		this.config = new CorsConfiguration().applyPermitDefaultValues();
 	}
 
+
 	/**
 	 * Set the origins to allow, e.g. {@code "http://domain1.com"}.
 	 * <p>The special value {@code "*"} allows all domains.
 	 * <p>By default, all origins are allowed.
 	 */
 	public CorsRegistration allowedOrigins(String... origins) {
-		this.config.setAllowedOrigins(new ArrayList<>(Arrays.asList(origins)));
+		this.config.setAllowedOrigins(Arrays.asList(origins));
 		return this;
 	}
 
@@ -74,7 +73,7 @@ public class CorsRegistration {
 	 * are allowed.
 	 */
 	public CorsRegistration allowedMethods(String... methods) {
-		this.config.setAllowedMethods(new ArrayList<>(Arrays.asList(methods)));
+		this.config.setAllowedMethods(Arrays.asList(methods));
 		return this;
 	}
 
@@ -88,7 +87,7 @@ public class CorsRegistration {
 	 * <p>By default all headers are allowed.
 	 */
 	public CorsRegistration allowedHeaders(String... headers) {
-		this.config.setAllowedHeaders(new ArrayList<>(Arrays.asList(headers)));
+		this.config.setAllowedHeaders(Arrays.asList(headers));
 		return this;
 	}
 
@@ -101,7 +100,7 @@ public class CorsRegistration {
 	 * <p>By default this is not set.
 	 */
 	public CorsRegistration exposedHeaders(String... headers) {
-		this.config.setExposedHeaders(new ArrayList<>(Arrays.asList(headers)));
+		this.config.setExposedHeaders(Arrays.asList(headers));
 		return this;
 	}
 

spring-webmvc/src/main/java/org/springframework/web/servlet/config/annotation/CorsRegistry.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2016 the original author or authors.
+ * Copyright 2002-2017 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.
@@ -37,14 +37,15 @@ public class CorsRegistry {
 
 
 	/**
-	 * Enable cross origin request handling for the specified path pattern.
-	 *
+	 * Enable cross-origin request handling for the specified path pattern.
 	 * <p>Exact path mapping URIs (such as {@code "/admin"}) are supported as
 	 * well as Ant-style path patterns (such as {@code "/admin/**"}).
-	 *
 	 * <p>By default, all origins, all headers, credentials and {@code GET},
 	 * {@code HEAD}, and {@code POST} methods are allowed, and the max age
 	 * is set to 30 minutes.
+	 * @param pathPattern the path pattern to enable CORS handling for
+	 * @return CorsRegistration the corresponding registration object,
+	 * allowing for further fine-tuning
 	 */
 	public CorsRegistration addMapping(String pathPattern) {
 		CorsRegistration registration = new CorsRegistration(pathPattern);
@@ -52,6 +53,10 @@ public class CorsRegistry {
 		return registration;
 	}
 
+	/**
+	 * Return the registered {@link CorsConfiguration} objects,
+	 * keyed by path pattern.
+	 */
 	protected Map<String, CorsConfiguration> getCorsConfigurations() {
 		Map<String, CorsConfiguration> configs = new LinkedHashMap<>(this.registrations.size());
 		for (CorsRegistration registration : this.registrations) {

spring-webmvc/src/main/java/org/springframework/web/servlet/config/annotation/WebMvcConfigurationSupport.java

@@ -22,7 +22,6 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
-
 import javax.servlet.ServletContext;
 import javax.servlet.http.HttpServletRequest;
 
@@ -629,12 +628,9 @@ public class WebMvcConfigurationSupport implements ApplicationContextAware, Serv
 					String className = "org.springframework.validation.beanvalidation.OptionalValidatorFactoryBean";
 					clazz = ClassUtils.forName(className, WebMvcConfigurationSupport.class.getClassLoader());
 				}
-				catch (ClassNotFoundException ex) {
+				catch (ClassNotFoundException | LinkageError ex) {
 					throw new BeanInitializationException("Could not find default validator class", ex);
 				}
-				catch (LinkageError ex) {
-					throw new BeanInitializationException("Could not load default validator class", ex);
-				}
 				validator = (Validator) BeanUtils.instantiateClass(clazz);
 			}
 			else {
@@ -961,6 +957,8 @@ public class WebMvcConfigurationSupport implements ApplicationContextAware, Serv
 	}
 
 	/**
+	 * Return the registered {@link CorsConfiguration} objects,
+	 * keyed by path pattern.
 	 * @since 4.2
 	 */
 	protected final Map<String, CorsConfiguration> getCorsConfigurations() {