Merge branch '5.3.x'

# Conflicts:
#	spring-context-support/src/test/java/org/springframework/validation/beanvalidation2/ValidatorFactoryTests.java
#	spring-context/src/test/java/org/springframework/validation/beanvalidation/ValidatorFactoryTests.java
#	spring-web/src/main/java/org/springframework/http/server/reactive/ServletServerHttpRequest.java

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2022 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.
@@ -26,6 +26,7 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Properties;
+import java.util.function.Consumer;
 
 import jakarta.validation.ClockProvider;
 import jakarta.validation.Configuration;
@@ -106,6 +107,9 @@ public class LocalValidatorFactoryBean extends SpringValidatorAdapter
 
 	private final Map<String, String> validationPropertyMap = new HashMap<>();
 
+	@Nullable
+	private Consumer<Configuration<?>> configurationInitializer;
+
 	@Nullable
 	private ApplicationContext applicationContext;
 
@@ -227,6 +231,18 @@ public class LocalValidatorFactoryBean extends SpringValidatorAdapter
 		return this.validationPropertyMap;
 	}
 
+	/**
+	 * Specify a callback for customizing the Bean Validation {@code Configuration} instance,
+	 * as an alternative to overriding the {@link #postProcessConfiguration(Configuration)}
+	 * method in custom {@code LocalValidatorFactoryBean} subclasses.
+	 * <p>This enables convenient customizations for application purposes. Infrastructure
+	 * extensions may keep overriding the {@link #postProcessConfiguration} template method.
+	 * @since 5.3.19
+	 */
+	public void setConfigurationInitializer(Consumer<Configuration<?>> configurationInitializer) {
+		this.configurationInitializer = configurationInitializer;
+	}
+
 	@Override
 	public void setApplicationContext(ApplicationContext applicationContext) {
 		this.applicationContext = applicationContext;
@@ -305,6 +321,9 @@ public class LocalValidatorFactoryBean extends SpringValidatorAdapter
 		this.validationPropertyMap.forEach(configuration::addProperty);
 
 		// Allow for custom post-processing before we actually build the ValidatorFactory.
+		if (this.configurationInitializer != null) {
+			this.configurationInitializer.accept(configuration);
+		}
 		postProcessConfiguration(configuration);
 
 		try {

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

@@ -31,6 +31,7 @@ import java.util.Set;
 import jakarta.validation.Constraint;
 import jakarta.validation.ConstraintValidator;
 import jakarta.validation.ConstraintValidatorContext;
+import jakarta.validation.ConstraintValidatorFactory;
 import jakarta.validation.ConstraintViolation;
 import jakarta.validation.Payload;
 import jakarta.validation.Valid;
@@ -42,6 +43,7 @@ import org.hibernate.validator.HibernateValidatorFactory;
 import org.junit.jupiter.api.Test;
 
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.support.DefaultListableBeanFactory;
 import org.springframework.context.ConfigurableApplicationContext;
 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
 import org.springframework.core.convert.support.DefaultConversionService;
@@ -312,6 +314,32 @@ class ValidatorFactoryTests {
 		validator.destroy();
 	}
 
+	@Test
+	void withConstraintValidatorFactory() {
+		ConstraintValidatorFactory cvf = new SpringConstraintValidatorFactory(new DefaultListableBeanFactory());
+
+		@SuppressWarnings("resource")
+		LocalValidatorFactoryBean validator = new LocalValidatorFactoryBean();
+		validator.setConstraintValidatorFactory(cvf);
+		validator.afterPropertiesSet();
+
+		assertThat(validator.getConstraintValidatorFactory()).isSameAs(cvf);
+		validator.destroy();
+	}
+
+	@Test
+	void withCustomInitializer() {
+		ConstraintValidatorFactory cvf = new SpringConstraintValidatorFactory(new DefaultListableBeanFactory());
+
+		@SuppressWarnings("resource")
+		LocalValidatorFactoryBean validator = new LocalValidatorFactoryBean();
+		validator.setConfigurationInitializer(configuration -> configuration.constraintValidatorFactory(cvf));
+		validator.afterPropertiesSet();
+
+		assertThat(validator.getConstraintValidatorFactory()).isSameAs(cvf);
+		validator.destroy();
+	}
+
 
 	@NameAddressValid
 	public static class ValidPerson {
@@ -408,8 +436,8 @@ class ValidatorFactoryTests {
 			}
 			boolean valid = (value.name == null || !value.address.street.contains(value.name));
 			if (!valid && "Phil".equals(value.name)) {
-				context.buildConstraintViolationWithTemplate(
+				context.buildConstraintViolationWithTemplate(context.getDefaultConstraintMessageTemplate())
-						context.getDefaultConstraintMessageTemplate()).addPropertyNode("address").addConstraintViolation().disableDefaultConstraintViolation();
+						.addPropertyNode("address").addConstraintViolation().disableDefaultConstraintViolation();
 			}
 			return valid;
 		}
@@ -445,6 +473,7 @@ class ValidatorFactoryTests {
 		public String getValue() {
 			return value;
 		}
+
 		public void setValue(String value) {
 			this.value = value;
 		}
@@ -453,7 +482,7 @@ class ValidatorFactoryTests {
 
 	@Retention(RetentionPolicy.RUNTIME)
 	@Target(ElementType.FIELD)
-	@Constraint(validatedBy=InnerValidator.class)
+	@Constraint(validatedBy = InnerValidator.class)
 	public @interface InnerValid {
 
 		String message() default "NOT VALID";
@@ -474,7 +503,8 @@ class ValidatorFactoryTests {
 		public boolean isValid(InnerBean bean, ConstraintValidatorContext context) {
 			context.disableDefaultConstraintViolation();
 			if (bean.getValue() == null) {
-				context.buildConstraintViolationWithTemplate("NULL").addPropertyNode("value").addConstraintViolation();
+				context.buildConstraintViolationWithTemplate("NULL")
+						.addPropertyNode("value").addConstraintViolation();
 				return false;
 			}
 			return true;
@@ -522,7 +552,8 @@ class ValidatorFactoryTests {
 			boolean valid = true;
 			for (int i = 0; i < list.size(); i++) {
 				if ("X".equals(list.get(i))) {
-					context.buildConstraintViolationWithTemplate(context.getDefaultConstraintMessageTemplate()).addBeanNode().inIterable().atIndex(i).addConstraintViolation();
+					context.buildConstraintViolationWithTemplate(context.getDefaultConstraintMessageTemplate())
+							.addBeanNode().inIterable().atIndex(i).addConstraintViolation();
 					valid = false;
 				}
 			}

spring-context/src/test/resources/org/springframework/jmx/export/notificationPublisherTests.xml

@@ -17,7 +17,7 @@
 				<entry key="spring:type=PublisherStandardMBean" value-ref="publisherStandardMBean"/>
 			</map>
 		</property>
-    <property name="server" ref="server"/>
+    	<property name="server" ref="server"/>
 	</bean>
 
 </beans>

spring-web/src/main/java/org/springframework/http/server/reactive/ServletServerHttpRequest.java

@@ -203,7 +203,7 @@ class ServletServerHttpRequest extends AbstractServerHttpRequest {
 	@Nullable
 	protected SslInfo initSslInfo() {
 		X509Certificate[] certificates = getX509Certificates();
-		return certificates != null ? new DefaultSslInfo(getSslSessionId(), certificates) : null;
+		return (certificates != null ? new DefaultSslInfo(getSslSessionId(), certificates) : null);
 	}
 
 	@Nullable
@@ -213,8 +213,7 @@ class ServletServerHttpRequest extends AbstractServerHttpRequest {
 
 	@Nullable
 	private X509Certificate[] getX509Certificates() {
-		String name = "jakarta.servlet.request.X509Certificate";
+		return (X509Certificate[]) this.request.getAttribute("jakarta.servlet.request.X509Certificate");
-		return (X509Certificate[]) this.request.getAttribute(name);
 	}
 
 	@Override