Polishing

(cherry picked from commit 9af12d2)

spring-context/src/main/java/org/springframework/scheduling/annotation/Async.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2016 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.
@@ -56,7 +56,7 @@ public @interface Async {
 	 * bean definition.
 	 * <p>When specified on a class level {@code @Async} annotation, indicates that the
 	 * given executor should be used for all methods within the class. Method level use
-	 * of {@link Async#value} always overrides any value set at the class level.
+	 * of {@code Async#value} always overrides any value set at the class level.
 	 * @since 3.1.2
 	 */
 	String value() default "";

spring-context/src/test/java/org/springframework/scripting/groovy/GroovyScriptFactoryTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2015 the original author or authors.
+ * Copyright 2002-2016 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.
@@ -445,8 +445,7 @@ public class GroovyScriptFactoryTests {
 		assertTrue(ctx.getBeansOfType(Messenger.class).values().contains(messenger));
 	}
 
-	@Test
-	// Test for SPR-6268
+	@Test  // SPR-6268
 	public void testRefreshableFromTagProxyTargetClass() throws Exception {
 		ApplicationContext ctx = new ClassPathXmlApplicationContext("groovy-with-xsd-proxy-target-class.xml",
 				getClass());
@@ -464,8 +463,7 @@ public class GroovyScriptFactoryTests {
 		assertNotNull(AnnotationUtils.findAnnotation(messenger.getClass(), Component.class));
 	}
 
-	@Test
-	// Test for SPR-6268
+	@Test  // SPR-6268
 	public void testProxyTargetClassNotAllowedIfNotGroovy() throws Exception {
 		try {
 			new ClassPathXmlApplicationContext("jruby-with-xsd-proxy-target-class.xml", getClass());

spring-core/src/main/java/org/springframework/core/annotation/AnnotationUtils.java

@@ -71,11 +71,11 @@ import org.springframework.util.StringUtils;
  * <em>meta-present</em> on the other annotation.
  *
  * <h3>Meta-annotation Support</h3>
- * <p>Most {@code find*()} methods and some {@code get*()} methods in this
- * class provide support for finding annotations used as meta-annotations.
- * Consult the Javadoc for each method in this class for details. For support
- * for meta-annotations with <em>attribute overrides</em> in
- * <em>composed annotations</em>, use {@link AnnotatedElementUtils} instead.
+ * <p>Most {@code find*()} methods and some {@code get*()} methods in this class
+ * provide support for finding annotations used as meta-annotations. Consult the
+ * javadoc for each method in this class for details. For fine-grained support for
+ * meta-annotations with <em>attribute overrides</em> in <em>composed annotations</em>,
+ * consider using {@link AnnotatedElementUtils}'s more specific methods instead.
  *
  * <h3>Attribute Aliases</h3>
  * <p>All public methods in this class that return annotations, arrays of

spring-test/src/main/java/org/springframework/test/annotation/Commit.java

@@ -17,12 +17,11 @@
 package org.springframework.test.annotation;
 
 import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
-import static java.lang.annotation.ElementType.*;
-import static java.lang.annotation.RetentionPolicy.*;
-
 /**
  * {@code @Commit} is a test annotation that is used to indicate that a
  * <em>test-managed transaction</em> should be <em>committed</em> after
@@ -49,9 +48,9 @@ import static java.lang.annotation.RetentionPolicy.*;
  * @see Rollback
  * @see org.springframework.test.context.transaction.TransactionalTestExecutionListener
  */
+@Target({ElementType.TYPE, ElementType.METHOD})
+@Retention(RetentionPolicy.RUNTIME)
 @Documented
-@Retention(RUNTIME)
-@Target({ TYPE, METHOD })
 @Rollback(false)
 public @interface Commit {
 }

spring-test/src/main/java/org/springframework/test/annotation/DirtiesContext.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2015 the original author or authors.
+ * Copyright 2002-2016 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.
@@ -76,19 +76,48 @@ import java.lang.annotation.Target;
  * @see org.springframework.test.context.support.DirtiesContextBeforeModesTestExecutionListener
  * @see org.springframework.test.context.support.DirtiesContextTestExecutionListener
  */
+@Target({ElementType.TYPE, ElementType.METHOD})
+@Retention(RetentionPolicy.RUNTIME)
 @Documented
 @Inherited
-@Retention(RetentionPolicy.RUNTIME)
-@Target({ ElementType.TYPE, ElementType.METHOD })
 public @interface DirtiesContext {
 
+	/**
+	 * The <i>mode</i> to use when a test method is annotated with
+	 * {@code @DirtiesContext}.
+	 * <p>Defaults to {@link MethodMode#AFTER_METHOD AFTER_METHOD}.
+	 * <p>Setting the method mode on an annotated test class has no meaning.
+	 * For class-level control, use {@link #classMode} instead.
+	 * @since 4.2
+	 */
+	MethodMode methodMode() default MethodMode.AFTER_METHOD;
+
+	/**
+	 * The <i>mode</i> to use when a test class is annotated with
+	 * {@code @DirtiesContext}.
+	 * <p>Defaults to {@link ClassMode#AFTER_CLASS AFTER_CLASS}.
+	 * <p>Setting the class mode on an annotated test method has no meaning.
+	 * For method-level control, use {@link #methodMode} instead.
+	 * @since 3.0
+	 */
+	ClassMode classMode() default ClassMode.AFTER_CLASS;
+
+	/**
+	 * The context cache clearing <em>mode</em> to use when a context is
+	 * configured as part of a hierarchy via
+	 * {@link org.springframework.test.context.ContextHierarchy @ContextHierarchy}.
+	 * <p>Defaults to {@link HierarchyMode#EXHAUSTIVE EXHAUSTIVE}.
+	 * @since 3.2.2
+	 */
+	HierarchyMode hierarchyMode() default HierarchyMode.EXHAUSTIVE;
+
+
 	/**
 	 * Defines <i>modes</i> which determine how {@code @DirtiesContext} is
 	 * interpreted when used to annotate a test method.
-	 *
 	 * @since 4.2
 	 */
-	static enum MethodMode {
+	enum MethodMode {
 
 		/**
 		 * The associated {@code ApplicationContext} will be marked as
@@ -103,13 +132,13 @@ public @interface DirtiesContext {
 		AFTER_METHOD;
 	}
 
+
 	/**
 	 * Defines <i>modes</i> which determine how {@code @DirtiesContext} is
 	 * interpreted when used to annotate a test class.
-	 *
 	 * @since 3.0
 	 */
-	static enum ClassMode {
+	enum ClassMode {
 
 		/**
 		 * The associated {@code ApplicationContext} will be marked as
@@ -140,15 +169,15 @@ public @interface DirtiesContext {
 		AFTER_CLASS;
 	}
 
+
 	/**
 	 * Defines <i>modes</i> which determine how the context cache is cleared
 	 * when {@code @DirtiesContext} is used in a test whose context is
 	 * configured as part of a hierarchy via
 	 * {@link org.springframework.test.context.ContextHierarchy @ContextHierarchy}.
-	 *
 	 * @since 3.2.2
 	 */
-	static enum HierarchyMode {
+	enum HierarchyMode {
 
 		/**
 		 * The context cache will be cleared using an <em>exhaustive</em> algorithm
@@ -174,37 +203,4 @@ public @interface DirtiesContext {
 		CURRENT_LEVEL;
 	}
 
-
-	/**
-	 * The <i>mode</i> to use when a test method is annotated with
-	 * {@code @DirtiesContext}.
-	 * <p>Defaults to {@link MethodMode#AFTER_METHOD AFTER_METHOD}.
-	 * <p>Setting the method mode on an annotated test class has no meaning.
-	 * For class-level control, use {@link #classMode} instead.
-	 *
-	 * @since 4.2
-	 */
-	MethodMode methodMode() default MethodMode.AFTER_METHOD;
-
-	/**
-	 * The <i>mode</i> to use when a test class is annotated with
-	 * {@code @DirtiesContext}.
-	 * <p>Defaults to {@link ClassMode#AFTER_CLASS AFTER_CLASS}.
-	 * <p>Setting the class mode on an annotated test method has no meaning.
-	 * For method-level control, use {@link #methodMode} instead.
-	 *
-	 * @since 3.0
-	 */
-	ClassMode classMode() default ClassMode.AFTER_CLASS;
-
-	/**
-	 * The context cache clearing <em>mode</em> to use when a context is
-	 * configured as part of a hierarchy via
-	 * {@link org.springframework.test.context.ContextHierarchy @ContextHierarchy}.
-	 * <p>Defaults to {@link HierarchyMode#EXHAUSTIVE EXHAUSTIVE}.
-	 *
-	 * @since 3.2.2
-	 */
-	HierarchyMode hierarchyMode() default HierarchyMode.EXHAUSTIVE;
-
 }

spring-test/src/main/java/org/springframework/test/annotation/IfProfileValue.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2015 the original author or authors.
+ * Copyright 2002-2016 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.
@@ -95,10 +95,10 @@ import java.lang.annotation.Target;
  * @see org.springframework.context.annotation.Profile
  * @see org.springframework.test.context.ActiveProfiles
  */
+@Target({ElementType.TYPE, ElementType.METHOD})
+@Retention(RetentionPolicy.RUNTIME)
 @Documented
 @Inherited
-@Retention(RetentionPolicy.RUNTIME)
-@Target({ ElementType.TYPE, ElementType.METHOD })
 public @interface IfProfileValue {
 
 	/**
@@ -109,7 +109,6 @@ public @interface IfProfileValue {
 	/**
 	 * A single, permissible {@code value} of the <em>profile value</em>
 	 * for the given {@link #name}.
-	 *
 	 * <p>Note: Assigning values to both {@link #value} and {@link #values}
 	 * will lead to a configuration conflict.
 	 */
@@ -118,7 +117,6 @@ public @interface IfProfileValue {
 	/**
 	 * A list of all permissible {@code values} of the <em>profile value</em>
 	 * for the given {@link #name}.
-	 *
 	 * <p>Note: Assigning values to both {@link #value} and {@link #values}
 	 * will lead to a configuration conflict.
 	 */

spring-test/src/main/java/org/springframework/test/annotation/Repeat.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2015 the original author or authors.
+ * Copyright 2002-2016 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.
@@ -17,12 +17,11 @@
 package org.springframework.test.annotation;
 
 import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
-import static java.lang.annotation.ElementType.*;
-import static java.lang.annotation.RetentionPolicy.*;
-
 /**
  * Test annotation to indicate that a test method should be invoked repeatedly.
  *
@@ -41,9 +40,9 @@ import static java.lang.annotation.RetentionPolicy.*;
  * @see org.springframework.test.context.junit4.rules.SpringMethodRule
  * @see org.springframework.test.context.junit4.statements.SpringRepeat
  */
+@Target({ElementType.METHOD, ElementType.ANNOTATION_TYPE})
+@Retention(RetentionPolicy.RUNTIME)
 @Documented
-@Retention(RUNTIME)
-@Target({ METHOD, ANNOTATION_TYPE })
 public @interface Repeat {
 
 	/**

spring-test/src/main/java/org/springframework/test/annotation/Rollback.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2015 the original author or authors.
+ * Copyright 2002-2016 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.
@@ -17,12 +17,11 @@
 package org.springframework.test.annotation;
 
 import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
-import static java.lang.annotation.ElementType.*;
-import static java.lang.annotation.RetentionPolicy.*;
-
 /**
  * {@code @Rollback} is a test annotation that is used to indicate whether
  * a <em>test-managed transaction</em> should be <em>rolled back</em> after
@@ -54,9 +53,9 @@ import static java.lang.annotation.RetentionPolicy.*;
  * @see Commit
  * @see org.springframework.test.context.transaction.TransactionalTestExecutionListener
  */
+@Target({ElementType.TYPE, ElementType.METHOD})
+@Retention(RetentionPolicy.RUNTIME)
 @Documented
-@Retention(RUNTIME)
-@Target({ TYPE, METHOD })
 public @interface Rollback {
 
 	/**

spring-test/src/main/java/org/springframework/test/annotation/Timed.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2015 the original author or authors.
+ * Copyright 2002-2016 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.
@@ -17,12 +17,11 @@
 package org.springframework.test.annotation;
 
 import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
-import static java.lang.annotation.ElementType.*;
-import static java.lang.annotation.RetentionPolicy.*;
-
 /**
  * Test-specific annotation to indicate that a test method has to finish
  * execution in a {@linkplain #millis() specified time period}.
@@ -45,9 +44,9 @@ import static java.lang.annotation.RetentionPolicy.*;
  * @see org.springframework.test.context.junit4.rules.SpringMethodRule
  * @see org.springframework.test.context.junit4.statements.SpringFailOnTimeout
  */
+@Target({ElementType.METHOD, ElementType.ANNOTATION_TYPE})
+@Retention(RetentionPolicy.RUNTIME)
 @Documented
-@Retention(RUNTIME)
-@Target({ METHOD, ANNOTATION_TYPE })
 public @interface Timed {
 
 	/**

spring-test/src/main/java/org/springframework/test/context/jdbc/MergedSqlConfig.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2015 the original author or authors.
+ * Copyright 2002-2016 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.
@@ -27,8 +27,8 @@ import org.springframework.util.Assert;
 
 /**
  * {@code MergedSqlConfig} encapsulates the <em>merged</em> {@link SqlConfig @SqlConfig}
- * attributes declared locally via {@link Sql#config} and globally as a
- * class-level annotation.
+ * attributes declared locally via {@link Sql#config} and globally as a class-level annotation.
+ *
  * <p>Explicit local configuration attributes override global configuration attributes.
  *
  * @author Sam Brannen
@@ -56,23 +56,6 @@ class MergedSqlConfig {
 	private final ErrorMode errorMode;
 
 
-	private static <E extends Enum<?>> E getEnum(AnnotationAttributes attributes, String attributeName,
-			E inheritedOrDefaultValue, E defaultValue) {
-		E value = attributes.getEnum(attributeName);
-		if (value == inheritedOrDefaultValue) {
-			value = defaultValue;
-		}
-		return value;
-	}
-
-	private static String getString(AnnotationAttributes attributes, String attributeName, String defaultValue) {
-		String value = attributes.getString(attributeName);
-		if ("".equals(value)) {
-			value = defaultValue;
-		}
-		return value;
-	}
-
 	/**
 	 * Construct a {@code MergedSqlConfig} instance by merging the configuration
 	 * from the supplied local (potentially method-level) {@code @SqlConfig} annotation
@@ -86,8 +69,8 @@ class MergedSqlConfig {
 		Assert.notNull(testClass, "testClass must not be null");
 
 		// Get global attributes, if any.
-		AnnotationAttributes attributes = AnnotatedElementUtils.findMergedAnnotationAttributes(testClass,
-			SqlConfig.class.getName(), false, false);
+		AnnotationAttributes attributes = AnnotatedElementUtils.findMergedAnnotationAttributes(
+				testClass, SqlConfig.class.getName(), false, false);
 
 		// Override global attributes with local attributes.
 		if (attributes != null) {
@@ -95,7 +78,7 @@ class MergedSqlConfig {
 				Object value = AnnotationUtils.getValue(localSqlConfig, key);
 				if (value != null) {
 					// Is the value explicit (i.e., not a 'default')?
-					if (!value.equals("") && (value != TransactionMode.DEFAULT) && (value != ErrorMode.DEFAULT)) {
+					if (!value.equals("") && value != TransactionMode.DEFAULT && value != ErrorMode.DEFAULT) {
 						attributes.put(key, value);
 					}
 				}
@@ -113,9 +96,9 @@ class MergedSqlConfig {
 		this.separator = getString(attributes, "separator", ScriptUtils.DEFAULT_STATEMENT_SEPARATOR);
 		this.commentPrefix = getString(attributes, "commentPrefix", ScriptUtils.DEFAULT_COMMENT_PREFIX);
 		this.blockCommentStartDelimiter = getString(attributes, "blockCommentStartDelimiter",
-			ScriptUtils.DEFAULT_BLOCK_COMMENT_START_DELIMITER);
+				ScriptUtils.DEFAULT_BLOCK_COMMENT_START_DELIMITER);
 		this.blockCommentEndDelimiter = getString(attributes, "blockCommentEndDelimiter",
-			ScriptUtils.DEFAULT_BLOCK_COMMENT_END_DELIMITER);
+				ScriptUtils.DEFAULT_BLOCK_COMMENT_END_DELIMITER);
 		this.errorMode = getEnum(attributes, "errorMode", ErrorMode.DEFAULT, ErrorMode.FAIL_ON_ERROR);
 	}
 
@@ -187,17 +170,36 @@ class MergedSqlConfig {
 	 */
 	@Override
 	public String toString() {
-		return new ToStringCreator(this)//
-		.append("dataSource", dataSource)//
-		.append("transactionManager", transactionManager)//
-		.append("transactionMode", transactionMode)//
-		.append("encoding", encoding)//
-		.append("separator", separator)//
-		.append("commentPrefix", commentPrefix)//
-		.append("blockCommentStartDelimiter", blockCommentStartDelimiter)//
-		.append("blockCommentEndDelimiter", blockCommentEndDelimiter)//
-		.append("errorMode", errorMode)//
-		.toString();
+		return new ToStringCreator(this)
+				.append("dataSource", this.dataSource)
+				.append("transactionManager", this.transactionManager)
+				.append("transactionMode", this.transactionMode)
+				.append("encoding", this.encoding)
+				.append("separator", this.separator)
+				.append("commentPrefix", this.commentPrefix)
+				.append("blockCommentStartDelimiter", this.blockCommentStartDelimiter)
+				.append("blockCommentEndDelimiter", this.blockCommentEndDelimiter)
+				.append("errorMode", this.errorMode)
+				.toString();
+	}
+
+
+	private static <E extends Enum<?>> E getEnum(AnnotationAttributes attributes, String attributeName,
+			E inheritedOrDefaultValue, E defaultValue) {
+
+		E value = attributes.getEnum(attributeName);
+		if (value == inheritedOrDefaultValue) {
+			value = defaultValue;
+		}
+		return value;
+	}
+
+	private static String getString(AnnotationAttributes attributes, String attributeName, String defaultValue) {
+		String value = attributes.getString(attributeName);
+		if ("".equals(value)) {
+			value = defaultValue;
+		}
+		return value;
 	}
 
 }

spring-test/src/main/java/org/springframework/test/context/jdbc/Sql.java

@@ -17,16 +17,15 @@
 package org.springframework.test.context.jdbc;
 
 import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
 import java.lang.annotation.Inherited;
 import java.lang.annotation.Repeatable;
 import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
 import org.springframework.core.annotation.AliasFor;
 
-import static java.lang.annotation.ElementType.*;
-import static java.lang.annotation.RetentionPolicy.*;
-
 /**
  * {@code @Sql} is used to annotate a test class or test method to configure
  * SQL {@link #scripts} and {@link #statements} to be executed against a given
@@ -65,10 +64,10 @@ import static java.lang.annotation.RetentionPolicy.*;
  * @see org.springframework.jdbc.datasource.init.ResourceDatabasePopulator
  * @see org.springframework.jdbc.datasource.init.ScriptUtils
  */
+@Target({ElementType.TYPE, ElementType.METHOD})
+@Retention(RetentionPolicy.RUNTIME)
 @Documented
 @Inherited
-@Retention(RUNTIME)
-@Target({TYPE, METHOD})
 @Repeatable(SqlGroup.class)
 public @interface Sql {
 
@@ -88,7 +87,6 @@ public @interface Sql {
 	 * {@link #value}, but it may be used instead of {@link #value}. Similarly,
 	 * this attribute may be used in conjunction with or instead of
 	 * {@link #statements}.
-	 *
 	 * <h3>Path Resource Semantics</h3>
 	 * <p>Each path will be interpreted as a Spring
 	 * {@link org.springframework.core.io.Resource Resource}. A plain path
@@ -101,7 +99,6 @@ public @interface Sql {
 	 * {@link org.springframework.util.ResourceUtils#CLASSPATH_URL_PREFIX classpath:},
 	 * {@link org.springframework.util.ResourceUtils#FILE_URL_PREFIX file:},
 	 * {@code http:}, etc.) will be loaded using the specified resource protocol.
-	 *
 	 * <h3>Default Script Detection</h3>
 	 * <p>If no SQL scripts or {@link #statements} are specified, an attempt will
 	 * be made to detect a <em>default</em> script depending on where this
@@ -116,7 +113,6 @@ public @interface Sql {
 	 * {@code com.example.MyTest}, the corresponding default script is
 	 * {@code "classpath:com/example/MyTest.testMethod.sql"}.</li>
 	 * </ul>
-	 *
 	 * @see #value
 	 * @see #statements
 	 */
@@ -127,13 +123,11 @@ public @interface Sql {
 	 * <em>Inlined SQL statements</em> to execute.
 	 * <p>This attribute may be used in conjunction with or instead of
 	 * {@link #scripts}.
-	 *
 	 * <h3>Ordering</h3>
 	 * <p>Statements declared via this attribute will be executed after
 	 * statements loaded from resource {@link #scripts}. If you wish to have
 	 * inlined statements executed before scripts, simply declare multiple
 	 * instances of {@code @Sql} on the same class or method.
-	 *
 	 * @since 4.2
 	 * @see #scripts
 	 */

spring-test/src/main/java/org/springframework/test/context/jdbc/SqlConfig.java

@@ -17,13 +17,12 @@
 package org.springframework.test.context.jdbc;
 
 import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
 import java.lang.annotation.Inherited;
 import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
-import static java.lang.annotation.ElementType.*;
-import static java.lang.annotation.RetentionPolicy.*;
-
 /**
  * {@code @SqlConfig} defines metadata that is used to determine how to parse
  * and execute SQL scripts configured via the {@link Sql @Sql} annotation.
@@ -59,10 +58,10 @@ import static java.lang.annotation.RetentionPolicy.*;
  * @since 4.1
  * @see Sql
  */
+@Target(ElementType.TYPE)
+@Retention(RetentionPolicy.RUNTIME)
 @Documented
 @Inherited
-@Retention(RUNTIME)
-@Target(TYPE)
 public @interface SqlConfig {
 
 	/**

spring-test/src/main/java/org/springframework/test/context/jdbc/SqlGroup.java

@@ -17,13 +17,12 @@
 package org.springframework.test.context.jdbc;
 
 import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
 import java.lang.annotation.Inherited;
 import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
-import static java.lang.annotation.ElementType.*;
-import static java.lang.annotation.RetentionPolicy.*;
-
 /**
  * Container annotation that aggregates several {@link Sql @Sql} annotations.
  *
@@ -39,10 +38,10 @@ import static java.lang.annotation.RetentionPolicy.*;
  * @since 4.1
  * @see Sql
  */
+@Target({ElementType.TYPE, ElementType.METHOD})
+@Retention(RetentionPolicy.RUNTIME)
 @Documented
 @Inherited
-@Retention(RUNTIME)
-@Target({TYPE, METHOD})
 public @interface SqlGroup {
 
 	Sql[] value();

spring-test/src/main/java/org/springframework/test/context/transaction/AfterTransaction.java

@@ -17,12 +17,11 @@
 package org.springframework.test.context.transaction;
 
 import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
-import static java.lang.annotation.ElementType.*;
-import static java.lang.annotation.RetentionPolicy.*;
-
 /**
  * <p>Test annotation to indicate that the annotated {@code public void} method
  * should be executed <em>after</em> a transaction is ended for a test method
@@ -39,8 +38,8 @@ import static java.lang.annotation.RetentionPolicy.*;
  * @see org.springframework.transaction.annotation.Transactional
  * @see BeforeTransaction
  */
+@Target({ElementType.METHOD, ElementType.ANNOTATION_TYPE})
+@Retention(RetentionPolicy.RUNTIME)
 @Documented
-@Retention(RUNTIME)
-@Target({ METHOD, ANNOTATION_TYPE })
 public @interface AfterTransaction {
 }

spring-test/src/main/java/org/springframework/test/context/transaction/BeforeTransaction.java

@@ -17,12 +17,11 @@
 package org.springframework.test.context.transaction;
 
 import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
-import static java.lang.annotation.ElementType.*;
-import static java.lang.annotation.RetentionPolicy.*;
-
 /**
  * <p>Test annotation to indicate that the annotated {@code public void} method
  * should be executed <em>before</em> a transaction is started for a test method
@@ -39,8 +38,8 @@ import static java.lang.annotation.RetentionPolicy.*;
  * @see org.springframework.transaction.annotation.Transactional
  * @see AfterTransaction
  */
+@Target({ElementType.METHOD, ElementType.ANNOTATION_TYPE})
+@Retention(RetentionPolicy.RUNTIME)
 @Documented
-@Retention(RUNTIME)
-@Target({ METHOD, ANNOTATION_TYPE })
 public @interface BeforeTransaction {
 }

spring-test/src/main/java/org/springframework/test/context/web/WebAppConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2014 the original author or authors.
+ * Copyright 2002-2016 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.
@@ -31,8 +31,8 @@ import org.springframework.test.context.BootstrapWith;
  * should be a {@link org.springframework.web.context.WebApplicationContext
  * WebApplicationContext}.
  *
- * <p>The mere presence of {@code @WebAppConfiguration} on a test class ensures
- * that a {@code WebApplicationContext} will be loaded for the test using a default
+ * <p>The presence of {@code @WebAppConfiguration} on a test class indicates that
+ * a {@code WebApplicationContext} should be loaded for the test using a default
  * for the path to the root of the web application. To override the default,
  * specify an explicit resource path via the {@link #value} attribute.
  *
@@ -49,20 +49,18 @@ import org.springframework.test.context.BootstrapWith;
  * @see org.springframework.test.context.ContextConfiguration
  * @see ServletTestExecutionListener
  */
+@Target(ElementType.TYPE)
+@Retention(RetentionPolicy.RUNTIME)
 @Documented
 @Inherited
-@Retention(RetentionPolicy.RUNTIME)
-@Target(ElementType.TYPE)
 @BootstrapWith(WebTestContextBootstrapper.class)
 public @interface WebAppConfiguration {
 
 	/**
 	 * The resource path to the root directory of the web application.
-	 *
 	 * <p>A path that does not include a Spring resource prefix (e.g., {@code classpath:},
 	 * {@code file:}, etc.) will be interpreted as a file system resource, and a
 	 * path should not end with a slash.
-	 *
 	 * <p>Defaults to {@code "src/main/webapp"} as a file system resource. Note
 	 * that this is the standard directory for the root of a web application in
 	 * a project that follows the standard Maven project layout for a WAR.

spring-test/src/main/java/org/springframework/test/util/MetaAnnotationUtils.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2015 the original author or authors.
+ * Copyright 2002-2016 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.
@@ -196,10 +196,10 @@ public abstract class MetaAnnotationUtils {
 		for (Annotation composedAnnotation : clazz.getDeclaredAnnotations()) {
 			if (!AnnotationUtils.isInJavaLangAnnotationPackage(composedAnnotation) && visited.add(composedAnnotation)) {
 				UntypedAnnotationDescriptor descriptor = findAnnotationDescriptorForTypes(
-					composedAnnotation.annotationType(), visited, annotationTypes);
+						composedAnnotation.annotationType(), visited, annotationTypes);
 				if (descriptor != null) {
 					return new UntypedAnnotationDescriptor(clazz, descriptor.getDeclaringClass(), composedAnnotation,
-						descriptor.getAnnotation());
+							descriptor.getAnnotation());
 				}
 			}
 		}
@@ -274,13 +274,13 @@ public abstract class MetaAnnotationUtils {
 
 		private final AnnotationAttributes annotationAttributes;
 
-
 		public AnnotationDescriptor(Class<?> rootDeclaringClass, T annotation) {
 			this(rootDeclaringClass, rootDeclaringClass, null, annotation);
 		}
 
 		public AnnotationDescriptor(Class<?> rootDeclaringClass, Class<?> declaringClass,
 				Annotation composedAnnotation, T annotation) {
+
 			Assert.notNull(rootDeclaringClass, "rootDeclaringClass must not be null");
 			Assert.notNull(annotation, "annotation must not be null");
 			this.rootDeclaringClass = rootDeclaringClass;
@@ -362,6 +362,7 @@ public abstract class MetaAnnotationUtils {
 
 		public UntypedAnnotationDescriptor(Class<?> rootDeclaringClass, Class<?> declaringClass,
 				Annotation composedAnnotation, Annotation annotation) {
+
 			super(rootDeclaringClass, declaringClass, composedAnnotation, annotation);
 		}
 
@@ -374,7 +375,7 @@ public abstract class MetaAnnotationUtils {
 		@Override
 		public Annotation synthesizeAnnotation() {
 			throw new UnsupportedOperationException(
-				"getMergedAnnotation() is unsupported in UntypedAnnotationDescriptor");
+					"getMergedAnnotation() is unsupported in UntypedAnnotationDescriptor");
 		}
 	}
 

spring-tx/src/main/java/org/springframework/transaction/event/TransactionalEventListenerFactory.java

@@ -41,7 +41,7 @@ public class TransactionalEventListenerFactory implements EventListenerFactory,
 
 	@Override
 	public int getOrder() {
-		return order;
+		return this.order;
 	}
 
 

spring-web/src/main/java/org/springframework/http/converter/AbstractHttpMessageConverter.java

@@ -130,7 +130,7 @@ public abstract class AbstractHttpMessageConverter<T> implements HttpMessageConv
 	@Override
 	public boolean canWrite(Class<?> clazz, MediaType mediaType) {
 		return supports(clazz) && canWrite(mediaType);
-		}
+	}
 
 	/**
 	 * Returns {@code true} if the given media type includes any of the

spring-web/src/main/java/org/springframework/web/method/annotation/ModelFactory.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2014 the original author or authors.
+ * Copyright 2002-2016 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.
@@ -45,14 +45,14 @@ import org.springframework.web.method.support.InvocableHandlerMethod;
 import org.springframework.web.method.support.ModelAndViewContainer;
 
 /**
- * Provides methods to initialize the {@link Model} before controller method
- * invocation and to update it afterwards.
+ * Assist with initialization of the {@link Model} before controller method
+ * invocation and with updates to it after the invocation.
  *
- * <p>On initialization, the model is populated with attributes from the session
- * and by invoking methods annotated with {@code @ModelAttribute}.
+ * <p>On initialization the model is populated with attributes temporarily stored
+ * in the session and through the invocation of {@code @ModelAttribute} methods.
  *
- * <p>On update, model attributes are synchronized with the session and also
- * {@link BindingResult} attributes are added where missing.
+ * <p>On update model attributes are synchronized with the session and also
+ * {@link BindingResult} attributes are added if missing.
  *
  * @author Rossen Stoyanchev
  * @since 3.1
@@ -70,51 +70,51 @@ public final class ModelFactory {
 
 	/**
 	 * Create a new instance with the given {@code @ModelAttribute} methods.
-	 * @param invocableMethods the {@code @ModelAttribute} methods to invoke
-	 * @param dataBinderFactory for preparation of {@link BindingResult} attributes
-	 * @param sessionAttributesHandler for access to session attributes
+	 * @param handlerMethods the {@code @ModelAttribute} methods to invoke
+	 * @param binderFactory for preparation of {@link BindingResult} attributes
+	 * @param attributeHandler for access to session attributes
 	 */
-	public ModelFactory(List<InvocableHandlerMethod> invocableMethods, WebDataBinderFactory dataBinderFactory,
-			SessionAttributesHandler sessionAttributesHandler) {
+	public ModelFactory(List<InvocableHandlerMethod> handlerMethods,
+			WebDataBinderFactory binderFactory, SessionAttributesHandler attributeHandler) {
 
-		if (invocableMethods != null) {
-			for (InvocableHandlerMethod method : invocableMethods) {
-				this.modelMethods.add(new ModelMethod(method));
+		if (handlerMethods != null) {
+			for (InvocableHandlerMethod handlerMethod : handlerMethods) {
+				this.modelMethods.add(new ModelMethod(handlerMethod));
 			}
 		}
-		this.dataBinderFactory = dataBinderFactory;
-		this.sessionAttributesHandler = sessionAttributesHandler;
+		this.dataBinderFactory = binderFactory;
+		this.sessionAttributesHandler = attributeHandler;
 	}
 
+
 	/**
 	 * Populate the model in the following order:
 	 * <ol>
-	 * 	<li>Retrieve "known" session attributes listed as {@code @SessionAttributes}.
-	 * 	<li>Invoke {@code @ModelAttribute} methods
-	 * 	<li>Find {@code @ModelAttribute} method arguments also listed as
-	 * 	{@code @SessionAttributes} and ensure they're present in the model raising
-	 * 	an exception if necessary.
+	 * <li>Retrieve "known" session attributes listed as {@code @SessionAttributes}.
+	 * <li>Invoke {@code @ModelAttribute} methods
+	 * <li>Find {@code @ModelAttribute} method arguments also listed as
+	 * {@code @SessionAttributes} and ensure they're present in the model raising
+	 * an exception if necessary.
 	 * </ol>
 	 * @param request the current request
-	 * @param mavContainer a container with the model to be initialized
+	 * @param container a container with the model to be initialized
 	 * @param handlerMethod the method for which the model is initialized
 	 * @throws Exception may arise from {@code @ModelAttribute} methods
 	 */
-	public void initModel(NativeWebRequest request, ModelAndViewContainer mavContainer, HandlerMethod handlerMethod)
-			throws Exception {
+	public void initModel(NativeWebRequest request, ModelAndViewContainer container,
+			HandlerMethod handlerMethod) throws Exception {
 
 		Map<String, ?> sessionAttributes = this.sessionAttributesHandler.retrieveAttributes(request);
-		mavContainer.mergeAttributes(sessionAttributes);
-
-		invokeModelAttributeMethods(request, mavContainer);
+		container.mergeAttributes(sessionAttributes);
+		invokeModelAttributeMethods(request, container);
 
 		for (String name : findSessionAttributeArguments(handlerMethod)) {
-			if (!mavContainer.containsAttribute(name)) {
+			if (!container.containsAttribute(name)) {
 				Object value = this.sessionAttributesHandler.retrieveAttribute(request, name);
 				if (value == null) {
 					throw new HttpSessionRequiredException("Expected session attribute '" + name + "'");
 				}
-				mavContainer.addAttribute(name, value);
+				container.addAttribute(name, value);
 			}
 		}
 	}
@@ -123,30 +123,29 @@ public final class ModelFactory {
 	 * Invoke model attribute methods to populate the model.
 	 * Attributes are added only if not already present in the model.
 	 */
-	private void invokeModelAttributeMethods(NativeWebRequest request, ModelAndViewContainer mavContainer)
+	private void invokeModelAttributeMethods(NativeWebRequest request, ModelAndViewContainer container)
 			throws Exception {
 
 		while (!this.modelMethods.isEmpty()) {
-			InvocableHandlerMethod attrMethod = getNextModelMethod(mavContainer).getHandlerMethod();
-			String modelName = attrMethod.getMethodAnnotation(ModelAttribute.class).value();
-			if (mavContainer.containsAttribute(modelName)) {
+			InvocableHandlerMethod modelMethod = getNextModelMethod(container).getHandlerMethod();
+			String modelName = modelMethod.getMethodAnnotation(ModelAttribute.class).value();
+			if (container.containsAttribute(modelName)) {
 				continue;
 			}
 
-			Object returnValue = attrMethod.invokeForRequest(request, mavContainer);
-
-			if (!attrMethod.isVoid()){
-				String returnValueName = getNameForReturnValue(returnValue, attrMethod.getReturnType());
-				if (!mavContainer.containsAttribute(returnValueName)) {
-					mavContainer.addAttribute(returnValueName, returnValue);
+			Object returnValue = modelMethod.invokeForRequest(request, container);
+			if (!modelMethod.isVoid()){
+				String returnValueName = getNameForReturnValue(returnValue, modelMethod.getReturnType());
+				if (!container.containsAttribute(returnValueName)) {
+					container.addAttribute(returnValueName, returnValue);
 				}
 			}
 		}
 	}
 
-	private ModelMethod getNextModelMethod(ModelAndViewContainer mavContainer) {
+	private ModelMethod getNextModelMethod(ModelAndViewContainer container) {
 		for (ModelMethod modelMethod : this.modelMethods) {
-			if (modelMethod.checkDependencies(mavContainer)) {
+			if (modelMethod.checkDependencies(container)) {
 				if (logger.isTraceEnabled()) {
 					logger.trace("Selected @ModelAttribute method " + modelMethod);
 				}
@@ -157,7 +156,7 @@ public final class ModelFactory {
 		ModelMethod modelMethod = this.modelMethods.get(0);
 		if (logger.isTraceEnabled()) {
 			logger.trace("Selected @ModelAttribute method (not present: " +
-					modelMethod.getUnresolvedDependencies(mavContainer)+ ") " + modelMethod);
+					modelMethod.getUnresolvedDependencies(container)+ ") " + modelMethod);
 		}
 		this.modelMethods.remove(modelMethod);
 		return modelMethod;
@@ -171,7 +170,8 @@ public final class ModelFactory {
 		for (MethodParameter parameter : handlerMethod.getMethodParameters()) {
 			if (parameter.hasParameterAnnotation(ModelAttribute.class)) {
 				String name = getNameForParameter(parameter);
-				if (this.sessionAttributesHandler.isHandlerSessionAttribute(name, parameter.getParameterType())) {
+				Class<?> paramType = parameter.getParameterType();
+				if (this.sessionAttributesHandler.isHandlerSessionAttribute(name, paramType)) {
 					result.add(name);
 				}
 			}
@@ -182,36 +182,37 @@ public final class ModelFactory {
 	/**
 	 * Derives the model attribute name for a method parameter based on:
 	 * <ol>
-	 * 	<li>The parameter {@code @ModelAttribute} annotation value
-	 * 	<li>The parameter type
+	 * <li>The parameter {@code @ModelAttribute} annotation value
+	 * <li>The parameter type
 	 * </ol>
 	 * @return the derived name; never {@code null} or an empty string
 	 */
 	public static String getNameForParameter(MethodParameter parameter) {
-		ModelAttribute annot = parameter.getParameterAnnotation(ModelAttribute.class);
-		String attrName = (annot != null) ? annot.value() : null;
-		return StringUtils.hasText(attrName) ? attrName :  Conventions.getVariableNameForParameter(parameter);
+		ModelAttribute ann = parameter.getParameterAnnotation(ModelAttribute.class);
+		String name = (ann != null ? ann.value() : null);
+		return StringUtils.hasText(name) ? name : Conventions.getVariableNameForParameter(parameter);
 	}
 
 	/**
 	 * Derive the model attribute name for the given return value using one of:
 	 * <ol>
-	 * 	<li>The method {@code ModelAttribute} annotation value
-	 * 	<li>The declared return type if it is more specific than {@code Object}
-	 * 	<li>The actual return value type
+	 * <li>The method {@code ModelAttribute} annotation value
+	 * <li>The declared return type if it is more specific than {@code Object}
+	 * <li>The actual return value type
 	 * </ol>
 	 * @param returnValue the value returned from a method invocation
 	 * @param returnType the return type of the method
 	 * @return the model name, never {@code null} nor empty
 	 */
 	public static String getNameForReturnValue(Object returnValue, MethodParameter returnType) {
-		ModelAttribute annotation = returnType.getMethodAnnotation(ModelAttribute.class);
-		if (annotation != null && StringUtils.hasText(annotation.value())) {
-			return annotation.value();
+		ModelAttribute ann = returnType.getMethodAnnotation(ModelAttribute.class);
+		if (ann != null && StringUtils.hasText(ann.value())) {
+			return ann.value();
 		}
 		else {
 			Method method = returnType.getMethod();
-			Class<?> resolvedType = GenericTypeResolver.resolveReturnType(method, returnType.getContainingClass());
+			Class<?> containingClass = returnType.getContainingClass();
+			Class<?> resolvedType = GenericTypeResolver.resolveReturnType(method, containingClass);
 			return Conventions.getVariableNameForReturnType(method, resolvedType, returnValue);
 		}
 	}
@@ -220,18 +221,18 @@ public final class ModelFactory {
 	 * Promote model attributes listed as {@code @SessionAttributes} to the session.
 	 * Add {@link BindingResult} attributes where necessary.
 	 * @param request the current request
-	 * @param mavContainer contains the model to update
+	 * @param container contains the model to update
 	 * @throws Exception if creating BindingResult attributes fails
 	 */
-	public void updateModel(NativeWebRequest request, ModelAndViewContainer mavContainer) throws Exception {
-		ModelMap defaultModel = mavContainer.getDefaultModel();
-		if (mavContainer.getSessionStatus().isComplete()){
+	public void updateModel(NativeWebRequest request, ModelAndViewContainer container) throws Exception {
+		ModelMap defaultModel = container.getDefaultModel();
+		if (container.getSessionStatus().isComplete()){
 			this.sessionAttributesHandler.cleanupAttributes(request);
 		}
 		else {
 			this.sessionAttributesHandler.storeAttributes(request, defaultModel);
 		}
-		if (!mavContainer.isRequestHandled() && mavContainer.getModel() == defaultModel) {
+		if (!container.isRequestHandled() && container.getModel() == defaultModel) {
 			updateBindingResult(request, defaultModel);
 		}
 	}
@@ -248,7 +249,7 @@ public final class ModelFactory {
 				String bindingResultKey = BindingResult.MODEL_KEY_PREFIX + name;
 
 				if (!model.containsAttribute(bindingResultKey)) {
-					WebDataBinder dataBinder = dataBinderFactory.createBinder(request, value, name);
+					WebDataBinder dataBinder = this.dataBinderFactory.createBinder(request, value, name);
 					model.put(bindingResultKey, dataBinder.getBindingResult());
 				}
 			}
@@ -279,7 +280,6 @@ public final class ModelFactory {
 
 		private final Set<String> dependencies = new HashSet<String>();
 
-
 		private ModelMethod(InvocableHandlerMethod handlerMethod) {
 			this.handlerMethod = handlerMethod;
 			for (MethodParameter parameter : handlerMethod.getMethodParameters()) {

spring-web/src/main/java/org/springframework/web/method/support/HandlerMethodReturnValueHandlerComposite.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2014 the original author or authors.
+ * Copyright 2002-2016 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.
@@ -24,7 +24,6 @@ import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 
 import org.springframework.core.MethodParameter;
-import org.springframework.util.Assert;
 import org.springframework.web.context.request.NativeWebRequest;
 
 /**
@@ -76,7 +75,9 @@ public class HandlerMethodReturnValueHandlerComposite implements AsyncHandlerMet
 			ModelAndViewContainer mavContainer, NativeWebRequest webRequest) throws Exception {
 
 		HandlerMethodReturnValueHandler handler = selectHandler(returnValue, returnType);
-		Assert.notNull(handler, "Unknown return value type [" + returnType.getParameterType().getName() + "]");
+		if (handler == null) {
+			throw new IllegalArgumentException("Unknown return value type: " + returnType.getParameterType().getName());
+		}
 		handler.handleReturnValue(returnValue, returnType, mavContainer, webRequest);
 	}
 

spring-webmvc/src/main/java/org/springframework/web/servlet/support/WebContentGenerator.java

@@ -18,14 +18,15 @@ package org.springframework.web.servlet.support;
 
 import java.util.Arrays;
 import java.util.HashSet;
+import java.util.LinkedHashSet;
 import java.util.Set;
 import java.util.concurrent.TimeUnit;
-
 import javax.servlet.ServletException;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
 import org.springframework.http.CacheControl;
+import org.springframework.util.ObjectUtils;
 import org.springframework.util.StringUtils;
 import org.springframework.web.HttpRequestMethodNotSupportedException;
 import org.springframework.web.HttpSessionRequiredException;
@@ -133,8 +134,8 @@ public abstract class WebContentGenerator extends WebApplicationObjectSupport {
 	 * unrestricted for general controllers and interceptors.
 	 */
 	public final void setSupportedMethods(String... methods) {
-		if (methods != null) {
-			this.supportedMethods = new HashSet<String>(Arrays.asList(methods));
+		if (!ObjectUtils.isEmpty(methods)) {
+			this.supportedMethods = new LinkedHashSet<String>(Arrays.asList(methods));
 		}
 		else {
 			this.supportedMethods = null;

spring-websocket/src/main/java/org/springframework/web/socket/server/standard/SpringConfigurator.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2014 the original author or authors.
+ * Copyright 2002-2016 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.
@@ -77,9 +77,9 @@ public class SpringConfigurator extends Configurator {
 			return endpoint;
 		}
 
-		Component annot = AnnotationUtils.findAnnotation(endpointClass, Component.class);
-		if ((annot != null) && wac.containsBean(annot.value())) {
-			T endpoint = wac.getBean(annot.value(), endpointClass);
+		Component ann = AnnotationUtils.findAnnotation(endpointClass, Component.class);
+		if (ann != null && wac.containsBean(ann.value())) {
+			T endpoint = wac.getBean(ann.value(), endpointClass);
 			if (logger.isTraceEnabled()) {
 				logger.trace("Using @ServerEndpoint singleton " + endpoint);
 			}