Polishing

spring-context/src/main/java/org/springframework/context/annotation/AutoProxyRegistrar.java

 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2019 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.
@@ -57,9 +57,9 @@ public class AutoProxyRegistrar implements ImportBeanDefinitionRegistrar {
 	@Override
 	public void registerBeanDefinitions(AnnotationMetadata importingClassMetadata, BeanDefinitionRegistry registry) {
 		boolean candidateFound = false;
-		Set<String> annoTypes = importingClassMetadata.getAnnotationTypes();
-		for (String annoType : annoTypes) {
-			AnnotationAttributes candidate = AnnotationConfigUtils.attributesFor(importingClassMetadata, annoType);
+		Set<String> annTypes = importingClassMetadata.getAnnotationTypes();
+		for (String annType : annTypes) {
+			AnnotationAttributes candidate = AnnotationConfigUtils.attributesFor(importingClassMetadata, annType);
 			if (candidate == null) {
 				continue;
 			}

spring-context/src/main/java/org/springframework/context/support/DefaultMessageSourceResolvable.java

 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2019 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.
@@ -125,7 +125,7 @@ public class DefaultMessageSourceResolvable implements MessageSourceResolvable,
 	 * including codes, arguments, and default message.
 	 */
 	protected final String resolvableToString() {
-		StringBuilder result = new StringBuilder();
+		StringBuilder result = new StringBuilder(64);
 		result.append("codes [").append(StringUtils.arrayToDelimitedString(this.codes, ","));
 		result.append("]; arguments [").append(StringUtils.arrayToDelimitedString(this.arguments, ","));
 		result.append("]; default message [").append(this.defaultMessage).append(']');

spring-context/src/test/java/org/springframework/validation/beanvalidation/ValidatorFactoryTests.java

 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2019 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.
@@ -85,7 +85,7 @@ public class ValidatorFactoryTests {
 	}
 
 	@Test
-	public void testSimpleValidationWithCustomProvider() throws Exception {
+	public void testSimpleValidationWithCustomProvider() {
 		LocalValidatorFactoryBean validator = new LocalValidatorFactoryBean();
 		validator.setProviderClass(HibernateValidator.class);
 		validator.afterPropertiesSet();

spring-core/src/test/java/org/springframework/core/type/AnnotationMetadataTests.java

 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2019 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.
@@ -52,7 +52,7 @@ import static org.junit.Assert.*;
 public class AnnotationMetadataTests {
 
 	@Test
-	public void standardAnnotationMetadata() throws Exception {
+	public void standardAnnotationMetadata() {
 		AnnotationMetadata metadata = new StandardAnnotationMetadata(AnnotatedComponent.class, true);
 		doTestAnnotationInfo(metadata);
 		doTestMethodAnnotationInfo(metadata);
@@ -68,7 +68,7 @@ public class AnnotationMetadataTests {
 	}
 
 	@Test
-	public void standardAnnotationMetadataForSubclass() throws Exception {
+	public void standardAnnotationMetadataForSubclass() {
 		AnnotationMetadata metadata = new StandardAnnotationMetadata(AnnotatedComponentSubClass.class, true);
 		doTestSubClassAnnotationInfo(metadata);
 	}
@@ -104,7 +104,7 @@ public class AnnotationMetadataTests {
 	}
 
 	@Test
-	public void standardAnnotationMetadataForInterface() throws Exception {
+	public void standardAnnotationMetadataForInterface() {
 		AnnotationMetadata metadata = new StandardAnnotationMetadata(AnnotationMetadata.class, true);
 		doTestMetadataForInterfaceClass(metadata);
 	}
@@ -132,7 +132,7 @@ public class AnnotationMetadataTests {
 	}
 
 	@Test
-	public void standardAnnotationMetadataForAnnotation() throws Exception {
+	public void standardAnnotationMetadataForAnnotation() {
 		AnnotationMetadata metadata = new StandardAnnotationMetadata(Component.class, true);
 		doTestMetadataForAnnotationClass(metadata);
 	}
@@ -172,7 +172,7 @@ public class AnnotationMetadataTests {
 	 * 'true' as is done in the main test above.
 	 */
 	@Test
-	public void standardAnnotationMetadata_nestedAnnotationsAsMap_false() throws Exception {
+	public void standardAnnotationMetadata_nestedAnnotationsAsMap_false() {
 		AnnotationMetadata metadata = new StandardAnnotationMetadata(AnnotatedComponent.class);
 		AnnotationAttributes specialAttrs = (AnnotationAttributes) metadata.getAnnotationAttributes(SpecialAttr.class.getName());
 		Annotation[] nestedAnnoArray = (Annotation[]) specialAttrs.get("nestedAnnoArray");
@@ -205,19 +205,13 @@ public class AnnotationMetadataTests {
 		assertThat("length of basePackageClasses[]", basePackageClasses.length, is(0));
 	}
 
-	/**
-	 * https://jira.spring.io/browse/SPR-11649
-	 */
-	@Test
+	@Test  // SPR-11649
 	public void multipleAnnotationsWithIdenticalAttributeNamesUsingStandardAnnotationMetadata() {
 		AnnotationMetadata metadata = new StandardAnnotationMetadata(NamedAnnotationsClass.class);
 		assertMultipleAnnotationsWithIdenticalAttributeNames(metadata);
 	}
 
-	/**
-	 * https://jira.spring.io/browse/SPR-11649
-	 */
-	@Test
+	@Test  // SPR-11649
 	public void multipleAnnotationsWithIdenticalAttributeNamesUsingAnnotationMetadataReadingVisitor() throws Exception {
 		MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
 		MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(NamedAnnotationsClass.class.getName());
@@ -225,19 +219,13 @@ public class AnnotationMetadataTests {
 		assertMultipleAnnotationsWithIdenticalAttributeNames(metadata);
 	}
 
-	/**
-	 * https://jira.spring.io/browse/SPR-11649
-	 */
-	@Test
+	@Test  // SPR-11649
 	public void composedAnnotationWithMetaAnnotationsWithIdenticalAttributeNamesUsingStandardAnnotationMetadata() {
 		AnnotationMetadata metadata = new StandardAnnotationMetadata(NamedComposedAnnotationClass.class);
 		assertMultipleAnnotationsWithIdenticalAttributeNames(metadata);
 	}
 
-	/**
-	 * https://jira.spring.io/browse/SPR-11649
-	 */
-	@Test
+	@Test  // SPR-11649
 	public void composedAnnotationWithMetaAnnotationsWithIdenticalAttributeNamesUsingAnnotationMetadataReadingVisitor() throws Exception {
 		MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
 		MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(NamedComposedAnnotationClass.class.getName());

spring-web/src/main/java/org/springframework/web/util/UrlPathHelper.java

 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2019 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.
@@ -32,7 +32,7 @@ import org.springframework.util.StringUtils;
 
 /**
  * Helper class for URL path matching. Provides support for URL paths in
- * RequestDispatcher includes and support for consistent URL decoding.
+ * {@code RequestDispatcher} includes and support for consistent URL decoding.
  *
  * <p>Used by {@link org.springframework.web.servlet.handler.AbstractUrlHandlerMapping},
  * {@link org.springframework.web.servlet.mvc.multiaction.AbstractUrlMethodNameResolver}
@@ -43,6 +43,8 @@ import org.springframework.util.StringUtils;
  * @author Rob Harrop
  * @author Rossen Stoyanchev
  * @since 14.01.2004
+ * @see #getLookupPathForRequest
+ * @see javax.servlet.RequestDispatcher
  */
 public class UrlPathHelper {
 
@@ -68,22 +70,29 @@ public class UrlPathHelper {
 
 
 	/**
-	 * Set if URL lookup should always use full path within current servlet
-	 * context. Else, the path within the current servlet mapping is used
-	 * if applicable (i.e. in the case of a ".../*" servlet mapping in web.xml).
-	 * Default is "false".
+	 * Whether URL lookups should always use the full path within the current
+	 * web application context, i.e. within
+	 * {@link javax.servlet.ServletContext#getContextPath()}.
+	 * <p>If set to {@literal false} the path within the current servlet mapping
+	 * is used instead if applicable (i.e. in the case of a prefix based Servlet
+	 * mapping such as "/myServlet/*").
+	 * <p>By default this is set to "false".
 	 */
 	public void setAlwaysUseFullPath(boolean alwaysUseFullPath) {
 		this.alwaysUseFullPath = alwaysUseFullPath;
 	}
 
 	/**
-	 * Set if context path and request URI should be URL-decoded.
-	 * Both are returned <i>undecoded</i> by the Servlet API,
-	 * in contrast to the servlet path.
-	 * <p>Uses either the request encoding or the default encoding according
-	 * to the Servlet spec (ISO-8859-1).
-	 * <p>Default is "true", as of Spring 2.5.
+	 * Whether the context path and request URI should be decoded -- both of
+	 * which are returned <i>undecoded</i> by the Servlet API, in contrast to
+	 * the servlet path.
+	 * <p>Either the request encoding or the default Servlet spec encoding
+	 * (ISO-8859-1) is used when set to "true".
+	 * <p>By default this is set to {@literal true}.
+	 * <p><strong>Note:</strong> Be aware the servlet path will not match when
+	 * compared to encoded paths. Therefore use of {@code urlDecode=false} is
+	 * not compatible with a prefix-based Servlet mapping and likewise implies
+	 * also setting {@code alwaysUseFullPath=true}.
 	 * @see #getServletPath
 	 * @see #getContextPath
 	 * @see #getRequestUri
@@ -149,8 +158,8 @@ public class UrlPathHelper {
 	 * <p>Detects include request URL if called within a RequestDispatcher include.
 	 * @param request current HTTP request
 	 * @return the lookup path
-	 * @see #getPathWithinApplication
 	 * @see #getPathWithinServletMapping
+	 * @see #getPathWithinApplication
 	 */
 	public String getLookupPathForRequest(HttpServletRequest request) {
 		// Always use full path within current servlet context?
@@ -179,6 +188,7 @@ public class UrlPathHelper {
 	 * <p>E.g.: servlet mapping = "/*.test"; request URI = "/a.test" -> "".
 	 * @param request current HTTP request
 	 * @return the path within the servlet mapping, or ""
+	 * @see #getLookupPathForRequest
 	 */
 	public String getPathWithinServletMapping(HttpServletRequest request) {
 		String pathWithinApp = getPathWithinApplication(request);
@@ -226,6 +236,7 @@ public class UrlPathHelper {
 	 * <p>Detects include request URL if called within a RequestDispatcher include.
 	 * @param request current HTTP request
 	 * @return the path within the web application
+	 * @see #getLookupPathForRequest
 	 */
 	public String getPathWithinApplication(HttpServletRequest request) {
 		String contextPath = getContextPath(request);
@@ -279,7 +290,7 @@ public class UrlPathHelper {
 	/**
 	 * Sanitize the given path with the following rules:
 	 * <ul>
-	 *     <li>replace all "//" by "/"</li>
+	 * <li>replace all "//" by "/"</li>
 	 * </ul>
 	 */
 	private String getSanitizedPath(final String path) {