Polish

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

@@ -148,19 +148,17 @@ public class MailProperties {
 	public static class Ssl {
 
 		/**
-		 * Whether to enable SSL support. If enabled, {@code mail.<protocol>.ssl.enable}
-		 * property is set to {@code true}.
+		 * Whether to enable SSL support. If enabled, 'mail.(protocol).ssl.enable'
+		 * property is set to 'true'.
 		 */
 		private boolean enabled = false;
 
 		/**
-		 * SSL bundle name. If not null, {@code mail.<protocol>.ssl.socketFactory}
-		 * property is set to a {@code SSLSocketFactory} obtained from the corresponding
-		 * SSL bundle.
+		 * SSL bundle name. If set, 'mail.(protocol).ssl.socketFactory' property is set to
+		 * an SSLSocketFactory obtained from the corresponding SSL bundle.
 		 * <p>
-		 * Note that the {@code STARTTLS} command can use the corresponding
-		 * {@code SSLSocketFactory}, even if {@code mail.<protocol>.ssl.enable} property
-		 * is not set.
+		 * Note that the STARTTLS command can use the corresponding SSLSocketFactory, even
+		 * if the 'mail.(protocol).ssl.enable' property is not set.
 		 */
 		private String bundle;
 

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

@@ -64,9 +64,7 @@ class MailSenderPropertiesConfiguration {
 		}
 		Properties javaMailProperties = asProperties(properties.getProperties());
 		String protocol = properties.getProtocol();
-		if (!StringUtils.hasLength(protocol)) {
-			protocol = "smtp";
-		}
+		protocol = (!StringUtils.hasLength(protocol)) ? "smtp" : protocol;
 		Ssl ssl = properties.getSsl();
 		if (ssl.isEnabled()) {
 			javaMailProperties.setProperty("mail." + protocol + ".ssl.enable", "true");

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/r2dbc/ProxyConnectionFactoryCustomizer.java

@@ -16,21 +16,21 @@
 
 package org.springframework.boot.autoconfigure.r2dbc;
 
-import io.r2dbc.proxy.ProxyConnectionFactory;
+import io.r2dbc.proxy.ProxyConnectionFactory.Builder;
 
 /**
- * Callback interface that can be used to customize a
- * {@link ProxyConnectionFactory.Builder}.
+ * Callback interface that can be used to customize a {@link Builder}.
  *
  * @author Tadaya Tsuyukubo
  * @since 3.4.0
  */
+@FunctionalInterface
 public interface ProxyConnectionFactoryCustomizer {
 
 	/**
-	 * Callback to customize a {@link ProxyConnectionFactory.Builder} instance.
+	 * Callback to customize a {@link Builder} instance.
 	 * @param builder the builder to customize
 	 */
-	void customize(ProxyConnectionFactory.Builder builder);
+	void customize(Builder builder);
 
 }

spring-boot-project/spring-boot-docker-compose/src/main/java/org/springframework/boot/docker/compose/lifecycle/StartCommand.java

@@ -34,23 +34,28 @@ public enum StartCommand {
 	/**
 	 * Start using {@code docker compose up}.
 	 */
-	UP {
-		@Override
-		void applyTo(DockerCompose dockerCompose, LogLevel logLevel, List<String> arguments) {
-			dockerCompose.up(logLevel, arguments);
-		}
-	},
+	UP(DockerCompose::up),
 
 	/**
 	 * Start using {@code docker compose start}.
 	 */
-	START {
-		@Override
-		void applyTo(DockerCompose dockerCompose, LogLevel logLevel, List<String> arguments) {
-			dockerCompose.start(logLevel, arguments);
-		}
-	};
-
-	abstract void applyTo(DockerCompose dockerCompose, LogLevel logLevel, List<String> arguments);
+	START(DockerCompose::start);
+
+	private final Command command;
+
+	StartCommand(Command command) {
+		this.command = command;
+	}
+
+	void applyTo(DockerCompose dockerCompose, LogLevel logLevel, List<String> arguments) {
+		this.command.applyTo(dockerCompose, logLevel, arguments);
+	}
+
+	@FunctionalInterface
+	private interface Command {
+
+		void applyTo(DockerCompose dockerCompose, LogLevel logLevel, List<String> arguments);
+
+	}
 
 }

spring-boot-project/spring-boot-docker-compose/src/main/java/org/springframework/boot/docker/compose/lifecycle/StopCommand.java

@@ -34,23 +34,28 @@ public enum StopCommand {
 	/**
 	 * Stop using {@code docker compose down}.
 	 */
-	DOWN {
-		@Override
-		void applyTo(DockerCompose dockerCompose, Duration timeout, List<String> arguments) {
-			dockerCompose.down(timeout, arguments);
-		}
-	},
+	DOWN(DockerCompose::down),
 
 	/**
 	 * Stop using {@code docker compose stop}.
 	 */
-	STOP {
-		@Override
-		void applyTo(DockerCompose dockerCompose, Duration timeout, List<String> arguments) {
-			dockerCompose.stop(timeout, arguments);
-		}
-	};
-
-	abstract void applyTo(DockerCompose dockerCompose, Duration timeout, List<String> arguments);
+	STOP(DockerCompose::stop);
+
+	private final Command command;
+
+	StopCommand(Command command) {
+		this.command = command;
+	}
+
+	void applyTo(DockerCompose dockerCompose, Duration timeout, List<String> arguments) {
+		this.command.applyTo(dockerCompose, timeout, arguments);
+	}
+
+	@FunctionalInterface
+	private interface Command {
+
+		void applyTo(DockerCompose dockerCompose, Duration timeout, List<String> arguments);
+
+	}
 
 }

spring-boot-project/spring-boot-docker-compose/src/main/java/org/springframework/boot/docker/compose/service/connection/postgres/PostgresEnvironment.java

@@ -45,7 +45,7 @@ class PostgresEnvironment {
 	}
 
 	private String extractPassword(Map<String, String> env) {
-		if (hasTrustHostAuthMethod(env)) {
+		if (isUsingTrustHostAuthMethod(env)) {
 			return null;
 		}
 		String password = env.getOrDefault("POSTGRES_PASSWORD", env.get("POSTGRESQL_PASSWORD"));
@@ -53,7 +53,7 @@ class PostgresEnvironment {
 		return password;
 	}
 
-	private Boolean hasTrustHostAuthMethod(Map<String, String> env) {
+	private boolean isUsingTrustHostAuthMethod(Map<String, String> env) {
 		String hostAuthMethod = env.get("POSTGRES_HOST_AUTH_METHOD");
 		return "trust".equals(hostAuthMethod);
 	}

spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/main/java/org/springframework/boot/buildpack/platform/build/BuildRequest.java

@@ -175,6 +175,7 @@ public class BuildRequest {
 	 * @param trustBuilder {@code true} if the builder should be treated as trusted,
 	 * {@code false} otherwise
 	 * @return an updated build request
+	 * @since 3.4.0
 	 */
 	public BuildRequest withTrustBuilder(boolean trustBuilder) {
 		return new BuildRequest(this.name, this.applicationContent, this.builder, this.runImage, this.creator, this.env,

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/properties/NestedConfigurationProperty.java

@@ -74,6 +74,7 @@ import org.springframework.boot.context.properties.bind.Nested;
  *
  * @author Stephane Nicoll
  * @author Phillip Webb
+ * @author Jared Bates
  * @since 1.2.0
  */
 @Target({ ElementType.FIELD, ElementType.RECORD_COMPONENT, ElementType.METHOD })

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/jms/ConnectionFactoryUnwrapper.java

@@ -26,9 +26,12 @@ import org.springframework.jms.connection.CachingConnectionFactory;
  * pooling.
  *
  * @author Stephane Nicoll
- * @since 6.4.0
+ * @since 3.4.0
  */
-public abstract class ConnectionFactoryUnwrapper {
+public final class ConnectionFactoryUnwrapper {
+
+	private ConnectionFactoryUnwrapper() {
+	}
 
 	/**
 	 * Return the native {@link ConnectionFactory} by unwrapping it from a cache or pool
@@ -38,8 +41,8 @@ public abstract class ConnectionFactoryUnwrapper {
 	 * @return the native connection factory that it wraps, if any
 	 */
 	public static ConnectionFactory unwrap(ConnectionFactory connectionFactory) {
-		if (connectionFactory instanceof CachingConnectionFactory ccf) {
-			return unwrap(ccf.getTargetConnectionFactory());
+		if (connectionFactory instanceof CachingConnectionFactory cachingConnectionFactory) {
+			return unwrap(cachingConnectionFactory.getTargetConnectionFactory());
 		}
 		ConnectionFactory unwrapedConnectionFactory = unwrapFromJmsPoolConnectionFactory(connectionFactory);
 		return (unwrapedConnectionFactory != null) ? unwrap(unwrapedConnectionFactory) : connectionFactory;
@@ -47,8 +50,8 @@ public abstract class ConnectionFactoryUnwrapper {
 
 	private static ConnectionFactory unwrapFromJmsPoolConnectionFactory(ConnectionFactory connectionFactory) {
 		try {
-			if (connectionFactory instanceof JmsPoolConnectionFactory poolConnectionFactory) {
-				return (ConnectionFactory) poolConnectionFactory.getConnectionFactory();
+			if (connectionFactory instanceof JmsPoolConnectionFactory jmsPoolConnectionFactory) {
+				return (ConnectionFactory) jmsPoolConnectionFactory.getConnectionFactory();
 			}
 		}
 		catch (Throwable ex) {