Polish

Closes gh-14449

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/BackgroundPreinitializer.java

@@ -55,7 +55,7 @@ public class BackgroundPreinitializer
 
 	/**
 	 * System property that instructs Spring Boot how to run pre initialization. When the
-	 * property is set to {@code true}, no pre intialization happens and each item is
+	 * property is set to {@code true}, no pre-initialization happens and each item is
 	 * initialized in the foreground as it needs to. When the property is {@code false}
 	 * (default), pre initialization runs in a separate thread in the background.
 	 * @since 2.1.0

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/http/HttpProperties.java

@@ -43,7 +43,7 @@ public class HttpProperties {
 	/**
 	 * HTTP encoding properties.
 	 */
-	private Encoding encoding = new Encoding();
+	private final Encoding encoding = new Encoding();
 
 	public boolean isLogRequestDetails() {
 		return this.logRequestDetails;
@@ -57,10 +57,6 @@ public class HttpProperties {
 		return this.encoding;
 	}
 
-	public void setEncoding(Encoding encoding) {
-		this.encoding = encoding;
-	}
-
 	/**
 	 * Configuration properties for http encoding.
 	 */

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/kafka/ConcurrentKafkaListenerContainerFactoryConfigurer.java

@@ -117,38 +117,33 @@ public class ConcurrentKafkaListenerContainerFactoryConfigurer {
 
 	private void configureListenerFactory(
 			ConcurrentKafkaListenerContainerFactory<Object, Object> factory) {
-		PropertyMapper map = PropertyMapper.get();
+		PropertyMapper map = PropertyMapper.get().alwaysApplyingWhenNonNull();
 		Listener properties = this.properties.getListener();
-		map.from(properties::getConcurrency).whenNonNull().to(factory::setConcurrency);
-		map.from(this.messageConverter).whenNonNull().to(factory::setMessageConverter);
-		map.from(this.replyTemplate).whenNonNull().to(factory::setReplyTemplate);
+		map.from(properties::getConcurrency).to(factory::setConcurrency);
+		map.from(this.messageConverter).to(factory::setMessageConverter);
+		map.from(this.replyTemplate).to(factory::setReplyTemplate);
 		map.from(properties::getType).whenEqualTo(Listener.Type.BATCH)
 				.toCall(() -> factory.setBatchListener(true));
-		map.from(this.errorHandler).whenNonNull().to(factory::setErrorHandler);
-		map.from(this.afterRollbackProcessor).whenNonNull()
-				.to(factory::setAfterRollbackProcessor);
+		map.from(this.errorHandler).to(factory::setErrorHandler);
+		map.from(this.afterRollbackProcessor).to(factory::setAfterRollbackProcessor);
 	}
 
 	private void configureContainer(ContainerProperties container) {
-		PropertyMapper map = PropertyMapper.get();
+		PropertyMapper map = PropertyMapper.get().alwaysApplyingWhenNonNull();
 		Listener properties = this.properties.getListener();
-		map.from(properties::getAckMode).whenNonNull().to(container::setAckMode);
-		map.from(properties::getClientId).whenNonNull().to(container::setClientId);
-		map.from(properties::getAckCount).whenNonNull().to(container::setAckCount);
-		map.from(properties::getAckTime).whenNonNull().as(Duration::toMillis)
-				.to(container::setAckTime);
-		map.from(properties::getPollTimeout).whenNonNull().as(Duration::toMillis)
+		map.from(properties::getAckMode).to(container::setAckMode);
+		map.from(properties::getClientId).to(container::setClientId);
+		map.from(properties::getAckCount).to(container::setAckCount);
+		map.from(properties::getAckTime).as(Duration::toMillis).to(container::setAckTime);
+		map.from(properties::getPollTimeout).as(Duration::toMillis)
 				.to(container::setPollTimeout);
-		map.from(properties::getNoPollThreshold).whenNonNull()
-				.to(container::setNoPollThreshold);
-		map.from(properties::getIdleEventInterval).whenNonNull().as(Duration::toMillis)
+		map.from(properties::getNoPollThreshold).to(container::setNoPollThreshold);
+		map.from(properties::getIdleEventInterval).as(Duration::toMillis)
 				.to(container::setIdleEventInterval);
-		map.from(properties::getMonitorInterval).whenNonNull().as(Duration::getSeconds)
+		map.from(properties::getMonitorInterval).as(Duration::getSeconds)
 				.as(Number::intValue).to(container::setMonitorInterval);
-		map.from(properties::getLogContainerConfig).whenNonNull()
-				.to(container::setLogContainerConfig);
-		map.from(this.transactionManager).whenNonNull()
-				.to(container::setTransactionManager);
+		map.from(properties::getLogContainerConfig).to(container::setLogContainerConfig);
+		map.from(this.transactionManager).to(container::setTransactionManager);
 	}
 
 }

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/condition/OnPropertyListConditionTests.java

@@ -54,7 +54,7 @@ public class OnPropertyListConditionTests {
 
 	@Test
 	public void propertyDefinedAsCommaSeparatedRelaxed() {
-		this.contextRunner.withPropertyValues("spring.test.my-list=value1")
+		this.contextRunner.withPropertyValues("spring.test.myList=value1")
 				.run((context) -> assertThat(context).hasBean("foo"));
 	}
 

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/webservices/OnWsdlLocationsConditionTests.java

@@ -37,18 +37,18 @@ public class OnWsdlLocationsConditionTests {
 			.withUserConfiguration(TestConfig.class);
 
 	@Test
-	public void bootstrapHostsNotDefined() {
+	public void wsdlLocationsNotDefined() {
 		this.contextRunner.run((context) -> assertThat(context).doesNotHaveBean("foo"));
 	}
 
 	@Test
-	public void bootstrapHostsDefinedAsCommaSeparated() {
+	public void wsdlLocationsDefinedAsCommaSeparated() {
 		this.contextRunner.withPropertyValues("spring.webservices.wsdl-locations=value1")
 				.run((context) -> assertThat(context).hasBean("foo"));
 	}
 
 	@Test
-	public void bootstrapHostsDefinedAsList() {
+	public void wsdlLocationsDefinedAsList() {
 		this.contextRunner
 				.withPropertyValues("spring.webservices.wsdl-locations[0]=value1")
 				.run((context) -> assertThat(context).hasBean("foo"));

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/webservices/WebServicesAutoConfigurationTests.java

@@ -99,9 +99,9 @@ public class WebServicesAutoConfigurationTests {
 				.withPropertyValues("spring.webservices.wsdl-locations=classpath:/wsdl")
 				.run((context) -> {
 					assertThat(context.getBeansOfType(SimpleWsdl11Definition.class))
-							.hasSize(1).containsKey("service");
-					assertThat(context.getBeansOfType(SimpleXsdSchema.class)).hasSize(1)
-							.containsKey("types");
+							.containsOnlyKeys("service");
+					assertThat(context.getBeansOfType(SimpleXsdSchema.class))
+							.containsOnlyKeys("types");
 				});
 	}
 
@@ -112,9 +112,9 @@ public class WebServicesAutoConfigurationTests {
 						"spring.webservices.wsdl-locations[0]=classpath:/wsdl")
 				.run((context) -> {
 					assertThat(context.getBeansOfType(SimpleWsdl11Definition.class))
-							.hasSize(1).containsKey("service");
-					assertThat(context.getBeansOfType(SimpleXsdSchema.class)).hasSize(1)
-							.containsKey("types");
+							.containsOnlyKeys("service");
+					assertThat(context.getBeansOfType(SimpleXsdSchema.class))
+							.containsOnlyKeys("types");
 				});
 	}
 

spring-boot-project/spring-boot-docs/src/main/asciidoc/appendix-application-properties.adoc

@@ -181,7 +181,7 @@ content into your application. Rather, pick only the properties that you need.
 	server.address= # Network address to which the server should bind.
 	server.compression.enabled=false # Whether response compression is enabled.
 	server.compression.excluded-user-agents= # List of user-agents to exclude from compression.
-	server.compression.mime-types=text/html,text/xml,text/plain,text/css,text/javascript,application/javascript # Comma-separated list of MIME types that should be compressed.
+	server.compression.mime-types=text/html,text/xml,text/plain,text/css,text/javascript,application/javascript,application/json,application/xml # Comma-separated list of MIME types that should be compressed.
 	server.compression.min-response-size=2048 # Minimum "Content-Length" value that is required for compression to be performed.
 	server.connection-timeout= # Time that connectors wait for another HTTP request before closing the connection. When not set, the connector's container-specific default is used. Use a value of -1 to indicate no (that is, an infinite) timeout.
 	server.error.include-exception=false # Include the "exception" attribute.
@@ -328,7 +328,7 @@ content into your application. Rather, pick only the properties that you need.
 	# SPRING HATEOAS ({sc-spring-boot-autoconfigure}/hateoas/HateoasProperties.{sc-ext}[HateoasProperties])
 	spring.hateoas.use-hal-as-default-json-media-type=true # Whether application/hal+json responses should be sent to requests that accept application/json.
 
-	# HTTP ({sc-spring-boot-autoconfigure}/http/HttpEncodingProperties.{sc-ext}[HttpProperties])
+	# HTTP ({sc-spring-boot-autoconfigure}/http/HttpProperties.{sc-ext}[HttpProperties])
 	spring.http.converters.preferred-json-mapper= # Preferred JSON mapper to use for HTTP message conversion. By default, auto-detected according to the environment.
 	spring.http.encoding.charset=UTF-8 # Charset of HTTP requests and responses. Added to the "Content-Type" header if not set explicitly.
 	spring.http.encoding.enabled=true # Whether to enable http encoding support.

spring-boot-project/spring-boot-docs/src/main/asciidoc/spring-boot-features.adoc

@@ -5734,7 +5734,7 @@ container factory. Similarly, if a `RecordMessageConverter`, `ErrorHandler` or
 factory.
 
 TIP: A custom `ChainedKafkaTransactionManager` must be marked `@Primary` as it usually
-reference the auto-configured `KafkaTransactionManager` bean.
+references the auto-configured `KafkaTransactionManager` bean.
 
 
 

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/env/SpringApplicationJsonEnvironmentPostProcessorTests.java

@@ -54,7 +54,6 @@ public class SpringApplicationJsonEnvironmentPostProcessorTests {
 		TestPropertySourceUtils.addInlinedPropertiesToEnvironment(this.environment,
 				"spring.application.json=foo:bar");
 		this.processor.postProcessEnvironment(this.environment, null);
-		assertThat(this.environment.resolvePlaceholders("${foo:}")).isEmpty();
 	}
 
 	@Test