Polishing

Author: jhoeller

spring-context-support/src/test/java/org/springframework/validation/beanvalidation2/SpringValidatorAdapterTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 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.
@@ -34,6 +34,7 @@
 import javax.validation.Constraint;
 import javax.validation.ConstraintValidator;
 import javax.validation.ConstraintValidatorContext;
+import javax.validation.ConstraintViolation;
 import javax.validation.Payload;
 import javax.validation.Valid;
 import javax.validation.Validation;
@@ -50,6 +51,7 @@
 import org.springframework.context.support.StaticMessageSource;
 import org.springframework.util.ObjectUtils;
 import org.springframework.validation.BeanPropertyBindingResult;
+import org.springframework.validation.FieldError;
 import org.springframework.validation.beanvalidation.SpringValidatorAdapter;
 
 import static java.lang.annotation.ElementType.*;
@@ -73,7 +75,7 @@ public class SpringValidatorAdapterTests {
 	@Before
 	public void setupSpringValidatorAdapter() {
 		messageSource.addMessage("Size", Locale.ENGLISH, "Size of {0} is must be between {2} and {1}");
-		messageSource.addMessage("Same", Locale.ENGLISH, "{2} must be same value with {1}");
+		messageSource.addMessage("Same", Locale.ENGLISH, "{2} must be same value as {1}");
 		messageSource.addMessage("password", Locale.ENGLISH, "Password");
 		messageSource.addMessage("confirmPassword", Locale.ENGLISH, "Password(Confirm)");
 	}
@@ -96,8 +98,11 @@ public void testNoStringArgumentValue() {
 
 		assertThat(errors.getFieldErrorCount("password"), is(1));
 		assertThat(errors.getFieldValue("password"), is("pass"));
-		assertThat(messageSource.getMessage(errors.getFieldError("password"), Locale.ENGLISH),
-				is("Size of Password is must be between 8 and 128"));
+		FieldError error = errors.getFieldError("password");
+		assertNotNull(error);
+		assertThat(messageSource.getMessage(error, Locale.ENGLISH), is("Size of Password is must be between 8 and 128"));
+		assertTrue(error.contains(ConstraintViolation.class));
+		assertThat(error.unwrap(ConstraintViolation.class).getPropertyPath().toString(), is("password"));
 	}
 
 	@Test  // SPR-13406
@@ -111,8 +116,11 @@ public void testApplyMessageSourceResolvableToStringArgumentValueWithResolvedLog
 
 		assertThat(errors.getFieldErrorCount("password"), is(1));
 		assertThat(errors.getFieldValue("password"), is("password"));
-		assertThat(messageSource.getMessage(errors.getFieldError("password"), Locale.ENGLISH),
-				is("Password must be same value with Password(Confirm)"));
+		FieldError error = errors.getFieldError("password");
+		assertNotNull(error);
+		assertThat(messageSource.getMessage(error, Locale.ENGLISH), is("Password must be same value as Password(Confirm)"));
+		assertTrue(error.contains(ConstraintViolation.class));
+		assertThat(error.unwrap(ConstraintViolation.class).getPropertyPath().toString(), is("password"));
 	}
 
 	@Test  // SPR-13406
@@ -127,10 +135,16 @@ public void testApplyMessageSourceResolvableToStringArgumentValueWithUnresolvedL
 		assertThat(errors.getFieldErrorCount("email"), is(1));
 		assertThat(errors.getFieldValue("email"), is("[email protected]"));
 		assertThat(errors.getFieldErrorCount("confirmEmail"), is(1));
-		assertThat(messageSource.getMessage(errors.getFieldError("email"), Locale.ENGLISH),
-				is("email must be same value with confirmEmail"));
-		assertThat(messageSource.getMessage(errors.getFieldError("confirmEmail"), Locale.ENGLISH),
-				is("Email required"));
+		FieldError error1 = errors.getFieldError("email");
+		FieldError error2 = errors.getFieldError("confirmEmail");
+		assertNotNull(error1);
+		assertNotNull(error2);
+		assertThat(messageSource.getMessage(error1, Locale.ENGLISH), is("email must be same value as confirmEmail"));
+		assertThat(messageSource.getMessage(error2, Locale.ENGLISH), is("Email required"));
+		assertTrue(error1.contains(ConstraintViolation.class));
+		assertThat(error1.unwrap(ConstraintViolation.class).getPropertyPath().toString(), is("email"));
+		assertTrue(error2.contains(ConstraintViolation.class));
+		assertThat(error2.unwrap(ConstraintViolation.class).getPropertyPath().toString(), is("confirmEmail"));
 	}
 
 	@Test  // SPR-15123
@@ -147,10 +161,16 @@ public void testApplyMessageSourceResolvableToStringArgumentValueWithAlwaysUseMe
 		assertThat(errors.getFieldErrorCount("email"), is(1));
 		assertThat(errors.getFieldValue("email"), is("[email protected]"));
 		assertThat(errors.getFieldErrorCount("confirmEmail"), is(1));
-		assertThat(messageSource.getMessage(errors.getFieldError("email"), Locale.ENGLISH),
-				is("email must be same value with confirmEmail"));
-		assertThat(messageSource.getMessage(errors.getFieldError("confirmEmail"), Locale.ENGLISH),
-				is("Email required"));
+		FieldError error1 = errors.getFieldError("email");
+		FieldError error2 = errors.getFieldError("confirmEmail");
+		assertNotNull(error1);
+		assertNotNull(error2);
+		assertThat(messageSource.getMessage(error1, Locale.ENGLISH), is("email must be same value as confirmEmail"));
+		assertThat(messageSource.getMessage(error2, Locale.ENGLISH), is("Email required"));
+		assertTrue(error1.contains(ConstraintViolation.class));
+		assertThat(error1.unwrap(ConstraintViolation.class).getPropertyPath().toString(), is("email"));
+		assertTrue(error2.contains(ConstraintViolation.class));
+		assertThat(error2.unwrap(ConstraintViolation.class).getPropertyPath().toString(), is("confirmEmail"));
 	}
 
 	@Test  // SPR-16177
@@ -403,13 +423,13 @@ public static class Child {
 
 		private Integer id;
 
-		@javax.validation.constraints.NotNull
+		@NotNull
 		private String name;
 
-		@javax.validation.constraints.NotNull
+		@NotNull
 		private Integer age;
 
-		@javax.validation.constraints.NotNull
+		@NotNull
 		private Parent parent;
 
 		public Integer getId() {

spring-context-support/src/test/java/org/springframework/validation/beanvalidation2/ValidatorFactoryTests.java

@@ -1,5 +1,5 @@
 /*
- * 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.
@@ -285,6 +285,8 @@ public void testListValidation() {
 		validator.validate(listContainer, errors);
 
 		FieldError fieldError = errors.getFieldError("list[1]");
+		assertNotNull(fieldError);
+		assertEquals("X", fieldError.getRejectedValue());
 		assertEquals("X", errors.getFieldValue("list[1]"));
 	}
 

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

@@ -1,5 +1,5 @@
 /*
- * 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

@@ -1,5 +1,5 @@
 /*
- * 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.
@@ -135,7 +135,7 @@ public String getDefaultMessage() {
 	 * 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/main/java/org/springframework/context/support/GenericApplicationContext.java

@@ -1,5 +1,5 @@
 /*
- * 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.
@@ -358,9 +358,9 @@ public boolean isAlias(String beanName) {
 
 	/**
 	 * Register a bean from the given bean class, optionally customizing its
-	 * bean definition metadata (typically declared as a lambda expression
-	 * or method reference).
-	 * @param beanClass the class of the bean
+	 * bean definition metadata (typically declared as a lambda expression).
+	 * @param beanClass the class of the bean (resolving a public constructor
+	 * to be autowired, possibly simply the default constructor)
 	 * @param customizers one or more callbacks for customizing the factory's
 	 * {@link BeanDefinition}, e.g. setting a lazy-init or primary flag
 	 * @since 5.0
@@ -371,53 +371,57 @@ public final <T> void registerBean(Class<T> beanClass, BeanDefinitionCustomizer.
 	}
 
 	/**
-	 * Register a bean from the given bean class, using the given supplier for
-	 * obtaining a new instance (typically declared as a lambda expression or
-	 * method reference), optionally customizing its bean definition metadata
-	 * (again typically declared as a lambda expression or method reference).
+	 * Register a bean from the given bean class, optionally customizing its
+	 * bean definition metadata (typically declared as a lambda expression).
 	 * @param beanName the name of the bean (may be {@code null})
-	 * @param beanClass the class of the bean
+	 * @param beanClass the class of the bean (resolving a public constructor
+	 * to be autowired, possibly simply the default constructor)
 	 * @param customizers one or more callbacks for customizing the factory's
 	 * {@link BeanDefinition}, e.g. setting a lazy-init or primary flag
 	 * @since 5.0
 	 * @see #registerBean(String, Class, Supplier, BeanDefinitionCustomizer...)
 	 */
-	public final <T> void registerBean(@Nullable String beanName, Class<T> beanClass, BeanDefinitionCustomizer... customizers) {
+	public final <T> void registerBean(
+			@Nullable String beanName, Class<T> beanClass, BeanDefinitionCustomizer... customizers) {
+
 		registerBean(beanName, beanClass, null, customizers);
 	}
 
 	/**
 	 * Register a bean from the given bean class, using the given supplier for
 	 * obtaining a new instance (typically declared as a lambda expression or
 	 * method reference), optionally customizing its bean definition metadata
-	 * (again typically declared as a lambda expression or method reference).
+	 * (again typically declared as a lambda expression).
 	 * @param beanClass the class of the bean
 	 * @param supplier a callback for creating an instance of the bean
 	 * @param customizers one or more callbacks for customizing the factory's
 	 * {@link BeanDefinition}, e.g. setting a lazy-init or primary flag
 	 * @since 5.0
 	 * @see #registerBean(String, Class, Supplier, BeanDefinitionCustomizer...)
 	 */
-	public final <T> void registerBean(Class<T> beanClass, Supplier<T> supplier, BeanDefinitionCustomizer... customizers) {
+	public final <T> void registerBean(
+			Class<T> beanClass, Supplier<T> supplier, BeanDefinitionCustomizer... customizers) {
+
 		registerBean(null, beanClass, supplier, customizers);
 	}
 
 	/**
 	 * Register a bean from the given bean class, using the given supplier for
 	 * obtaining a new instance (typically declared as a lambda expression or
 	 * method reference), optionally customizing its bean definition metadata
-	 * (again typically declared as a lambda expression or method reference).
+	 * (again typically declared as a lambda expression).
 	 * <p>This method can be overridden to adapt the registration mechanism for
 	 * all {@code registerBean} methods (since they all delegate to this one).
 	 * @param beanName the name of the bean (may be {@code null})
 	 * @param beanClass the class of the bean
-	 * @param supplier a callback for creating an instance of the bean
+	 * @param supplier a callback for creating an instance of the bean (in case
+	 * of {@code null}, resolving a public constructor to be autowired instead)
 	 * @param customizers one or more callbacks for customizing the factory's
 	 * {@link BeanDefinition}, e.g. setting a lazy-init or primary flag
 	 * @since 5.0
 	 */
-	public <T> void registerBean(@Nullable String beanName, Class<T> beanClass, @Nullable Supplier<T> supplier,
-			BeanDefinitionCustomizer... customizers) {
+	public <T> void registerBean(@Nullable String beanName, Class<T> beanClass,
+			@Nullable Supplier<T> supplier, BeanDefinitionCustomizer... customizers) {
 
 		BeanDefinitionBuilder builder = (supplier != null ?
 				BeanDefinitionBuilder.genericBeanDefinition(beanClass, supplier) :

spring-context/src/main/java/org/springframework/validation/beanvalidation/SpringValidatorAdapter.java

@@ -1,5 +1,5 @@
 /*
- * 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.
@@ -50,13 +50,17 @@
  * while also exposing the original JSR-303 Validator interface itself.
  *
  * <p>Can be used as a programmatic wrapper. Also serves as base class for
- * {@link CustomValidatorBean} and {@link LocalValidatorFactoryBean}.
+ * {@link CustomValidatorBean} and {@link LocalValidatorFactoryBean},
+ * and as the primary implementation of the {@link SmartValidator} interface.
  *
  * <p>As of Spring Framework 5.0, this adapter is fully compatible with
  * Bean Validation 1.1 as well as 2.0.
  *
  * @author Juergen Hoeller
  * @since 3.0
+ * @see SmartValidator
+ * @see CustomValidatorBean
+ * @see LocalValidatorFactoryBean
  */
 public class SpringValidatorAdapter implements SmartValidator, javax.validation.Validator {
 
@@ -141,7 +145,7 @@ protected void processConstraintViolations(Set<ConstraintViolation<Object>> viol
 						// as necessary for Hibernate Validator compatibility (non-indexed set path in field)
 						BindingResult bindingResult = (BindingResult) errors;
 						String nestedField = bindingResult.getNestedPath() + field;
-						if ("".equals(nestedField)) {
+						if (nestedField.isEmpty()) {
 							String[] errorCodes = bindingResult.resolveMessageCodes(errorCode);
 							ObjectError error = new ObjectError(
 									errors.getObjectName(), errorCodes, errorArgs, violation.getMessage());

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

@@ -1,5 +1,5 @@
 /*
- * 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.
@@ -284,6 +284,8 @@ public void testListValidation() {
 		validator.validate(listContainer, errors);
 
 		FieldError fieldError = errors.getFieldError("list[1]");
+		assertNotNull(fieldError);
+		assertEquals("X", fieldError.getRejectedValue());
 		assertEquals("X", errors.getFieldValue("list[1]"));
 	}