Polish MockMvc setup classes

spring-test/src/main/java/org/springframework/test/web/servlet/setup/AbstractMockMvcBuilder.java

 /*
- * 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.
@@ -33,14 +33,16 @@ import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
 import org.springframework.test.web.servlet.request.RequestPostProcessor;
 import org.springframework.util.Assert;
 import org.springframework.web.context.WebApplicationContext;
+import org.springframework.test.web.servlet.MockMvcBuilder;
 
 /**
- * An abstract implementation of {@link org.springframework.test.web.servlet.MockMvcBuilder}
- * with common methods for configuring filters, default request properties, global
- * expectations and global result actions.
- * <p>
- * Sub-classes can use different strategies to prepare a WebApplicationContext to
- * pass to the DispatcherServlet.
+ * Abstract implementation of {@link MockMvcBuilder} with common methods for
+ * configuring filters, default request properties, global expectations and
+ * global result actions.
+ *
+ * <p>Sub-classes can use different strategies to prepare the Spring
+ * {@code WebApplicationContext} that will be passed to the
+ * {@code DispatcherServlet}.
  *
  * @author Rossen Stoyanchev
  * @author Stephane Nicoll
@@ -64,7 +66,6 @@ public abstract class AbstractMockMvcBuilder<B extends AbstractMockMvcBuilder<B>
 
 	public final <T extends B> T addFilters(Filter... filters) {
 		Assert.notNull(filters, "filters cannot be null");
-
 		for (Filter f : filters) {
 			Assert.notNull(f, "filters cannot contain null values");
 			this.filters.add(f);
@@ -73,14 +74,11 @@ public abstract class AbstractMockMvcBuilder<B extends AbstractMockMvcBuilder<B>
 	}
 
 	public final <T extends B> T addFilter(Filter filter, String... urlPatterns) {
-
 		Assert.notNull(filter, "filter cannot be null");
 		Assert.notNull(urlPatterns, "urlPatterns cannot be null");
-
 		if (urlPatterns.length > 0) {
 			filter = new PatternMappingFilterProxy(filter, urlPatterns);
 		}
-
 		this.filters.add(filter);
 		return self();
 	}
@@ -153,9 +151,9 @@ public abstract class AbstractMockMvcBuilder<B extends AbstractMockMvcBuilder<B>
 	}
 
 	/**
-	 * A method to obtain the WebApplicationContext to be passed to the DispatcherServlet.
-	 * Invoked from {@link #build()} before the
-	 * {@link org.springframework.test.web.servlet.MockMvc} instance is created.
+	 * A method to obtain the {@code WebApplicationContext} to be passed to the
+	 * {@code DispatcherServlet}. Invoked from {@link #build()} before the
+	 * {@link MockMvc} instance is created.
 	 */
 	protected abstract WebApplicationContext initWebAppContext();
 

spring-test/src/main/java/org/springframework/test/web/servlet/setup/ConfigurableMockMvcBuilder.java

 /*
- * Copyright 2002-2014 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.
@@ -29,7 +29,8 @@ import org.springframework.test.web.servlet.ResultMatcher;
  * @author Rossen Stoyanchev
  * @since 4.1
  */
-public interface ConfigurableMockMvcBuilder<B extends ConfigurableMockMvcBuilder<B>> extends MockMvcBuilder {
+public interface ConfigurableMockMvcBuilder<B extends ConfigurableMockMvcBuilder<B>>
+		extends MockMvcBuilder {
 
 	/**
 	 * Add filters mapped to any request (i.e. "/*"). For example:

spring-test/src/main/java/org/springframework/test/web/servlet/setup/MockMvcConfigurer.java

 /*
- * Copyright 2002-2014 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.
@@ -19,17 +19,21 @@ package org.springframework.test.web.servlet.setup;
 import org.springframework.test.web.servlet.request.RequestPostProcessor;
 import org.springframework.web.context.WebApplicationContext;
 
-
 /**
- * Allows a sub-class to encapsulate logic for pre-configuring a
- * {@code ConfigurableMockMvcBuilder} for some specific purpose. A 3rd party
- * library may use this to provide shortcuts for setting up MockMvc.
+ * Contract for customizing a {@code ConfigurableMockMvcBuilder} in some
+ * specific way, e.g. a 3rd party library that wants to provide shortcuts for
+ * setting up a MockMvc.
  *
- * <p>Can be plugged in via {@link ConfigurableMockMvcBuilder#apply} with
- * instances of this type likely created via static methods, e.g.:
+ * <p>An implementation of this interface can be plugged in via
+ * {@link ConfigurableMockMvcBuilder#apply} with instances of this type likely
+ * created via static methods, e.g.:
  *
  * <pre class="code">
- * 	MockMvcBuilders.webAppContextSetup(context).apply(mySetup("foo","bar")).build();
+ * import static org.example.ExampleSetup.mySetup;
+ *
+ * // ...
+ *
+ * MockMvcBuilders.webAppContextSetup(context).apply(mySetup("foo","bar")).build();
  * </pre>
  *
  * @author Rossen Stoyanchev
@@ -39,16 +43,22 @@ import org.springframework.web.context.WebApplicationContext;
 public interface MockMvcConfigurer {
 
 	/**
-	 * Invoked immediately after a {@code MockMvcConfigurer} is added via
+	 * Invoked immediately when this {@code MockMvcConfigurer} is added via
 	 * {@link ConfigurableMockMvcBuilder#apply}.
+	 * @param builder the builder for the MockMvc
 	 */
 	void afterConfigurerAdded(ConfigurableMockMvcBuilder<?> builder);
 
 	/**
-	 * Invoked just before the MockMvc instance is created. Implementations may
-	 * return a RequestPostProcessor to be applied to every request performed
-	 * through the created {@code MockMvc} instance.
+	 * Invoked when the MockMvc instance is about to be created with the MockMvc
+	 * builder and the Spring WebApplicationContext that will be passed to the
+	 * {@code DispatcherServlet}.
+	 * @param builder the builder for the MockMvc
+	 * @param context the Spring configuration
+	 * @return a post processor to be applied to every request performed
+	 * through the {@code MockMvc} instance.
 	 */
-	RequestPostProcessor beforeMockMvcCreated(ConfigurableMockMvcBuilder<?> builder, WebApplicationContext context);
+	RequestPostProcessor beforeMockMvcCreated(ConfigurableMockMvcBuilder<?> builder,
+			WebApplicationContext context);
 
 }