Polish

spring-boot-actuator/src/main/java/org/springframework/boot/actuate/audit/AuditEvent.java

@@ -87,7 +87,7 @@ public class AuditEvent implements Serializable {
 		Assert.notNull(timestamp, "Timestamp must not be null");
 		Assert.notNull(type, "Type must not be null");
 		this.timestamp = timestamp;
-		this.principal = principal != null ? principal : "";
+		this.principal = (principal != null ? principal : "");
 		this.type = type;
 		this.data = Collections.unmodifiableMap(data);
 	}

spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/EnvironmentEndpoint.java

@@ -69,9 +69,10 @@ public class EnvironmentEndpoint extends AbstractEndpoint<Map<String, Object>> {
 				EnumerablePropertySource<?> enumerable = (EnumerablePropertySource<?>) source;
 				Map<String, Object> properties = new LinkedHashMap<String, Object>();
 				for (String name : enumerable.getPropertyNames()) {
-					Object property = source.getProperty(name);
-					Object resolved = property instanceof String
-							? resolver.resolvePlaceholders((String) property) : property;
+					Object resolved = source.getProperty(name);
+					if (resolved instanceof String) {
+						resolved = resolver.resolvePlaceholders((String) resolved);
+					}
 					properties.put(name, sanitize(name, resolved));
 				}
 				properties = postProcessSourceProperties(sourceName, properties);

spring-boot-actuator/src/test/java/org/springframework/boot/actuate/autoconfigure/EndpointWebMvcHypermediaManagementContextConfigurationTests.java

@@ -183,7 +183,8 @@ public class EndpointWebMvcHypermediaManagementContextConfigurationTests {
 	static class DocsConfiguration {
 
 		@Bean
-		public DocsMvcEndpoint testDocsMvcEndpoint(ManagementServletContext managementServletContext) {
+		public DocsMvcEndpoint testDocsMvcEndpoint(
+				ManagementServletContext managementServletContext) {
 			return new TestDocsMvcEndpoint(managementServletContext);
 		}
 
@@ -193,7 +194,8 @@ public class EndpointWebMvcHypermediaManagementContextConfigurationTests {
 	static class HalJsonConfiguration {
 
 		@Bean
-		public HalJsonMvcEndpoint testHalJsonMvcEndpoint(ManagementServletContext managementServletContext) {
+		public HalJsonMvcEndpoint testHalJsonMvcEndpoint(
+				ManagementServletContext managementServletContext) {
 			return new TestHalJsonMvcEndpoint(managementServletContext);
 		}
 

spring-boot-actuator/src/test/java/org/springframework/boot/actuate/autoconfigure/EndpointWebMvcManagementContextConfigurationTests.java

@@ -111,13 +111,15 @@ public class EndpointWebMvcManagementContextConfigurationTests {
 	public void envMvcEndpointIsConditionalOnMissingBean() throws Exception {
 		this.context.register(EnvConfiguration.class, TestEndpointConfiguration.class);
 		this.context.refresh();
-		EnvironmentMvcEndpoint mvcEndpoint = this.context.getBean(EnvironmentMvcEndpoint.class);
+		EnvironmentMvcEndpoint mvcEndpoint = this.context
+				.getBean(EnvironmentMvcEndpoint.class);
 		assertThat(mvcEndpoint).isInstanceOf(TestEnvMvcEndpoint.class);
 	}
 
 	@Test
 	public void metricsMvcEndpointIsConditionalOnMissingBean() throws Exception {
-		this.context.register(MetricsConfiguration.class, TestEndpointConfiguration.class);
+		this.context.register(MetricsConfiguration.class,
+				TestEndpointConfiguration.class);
 		this.context.refresh();
 		MetricsMvcEndpoint mvcEndpoint = this.context.getBean(MetricsMvcEndpoint.class);
 		assertThat(mvcEndpoint).isInstanceOf(TestMetricsMvcEndpoint.class);
@@ -125,7 +127,8 @@ public class EndpointWebMvcManagementContextConfigurationTests {
 
 	@Test
 	public void logFileMvcEndpointIsConditionalOnMissingBean() throws Exception {
-		this.context.register(LogFileConfiguration.class, TestEndpointConfiguration.class);
+		this.context.register(LogFileConfiguration.class,
+				TestEndpointConfiguration.class);
 		this.context.refresh();
 		LogFileMvcEndpoint mvcEndpoint = this.context.getBean(LogFileMvcEndpoint.class);
 		assertThat(mvcEndpoint).isInstanceOf(TestLogFileMvcEndpoint.class);
@@ -133,7 +136,8 @@ public class EndpointWebMvcManagementContextConfigurationTests {
 
 	@Test
 	public void shutdownEndpointIsConditionalOnMissingBean() throws Exception {
-		this.context.register(ShutdownConfiguration.class, TestEndpointConfiguration.class);
+		this.context.register(ShutdownConfiguration.class,
+				TestEndpointConfiguration.class);
 		this.context.refresh();
 		ShutdownMvcEndpoint mvcEndpoint = this.context.getBean(ShutdownMvcEndpoint.class);
 		assertThat(mvcEndpoint).isInstanceOf(TestShutdownMvcEndpoint.class);
@@ -141,15 +145,18 @@ public class EndpointWebMvcManagementContextConfigurationTests {
 
 	@Test
 	public void auditEventsMvcEndpointIsConditionalOnMissingBean() throws Exception {
-		this.context.register(AuditEventsConfiguration.class, TestEndpointConfiguration.class);
+		this.context.register(AuditEventsConfiguration.class,
+				TestEndpointConfiguration.class);
 		this.context.refresh();
-		AuditEventsMvcEndpoint mvcEndpoint = this.context.getBean(AuditEventsMvcEndpoint.class);
+		AuditEventsMvcEndpoint mvcEndpoint = this.context
+				.getBean(AuditEventsMvcEndpoint.class);
 		assertThat(mvcEndpoint).isInstanceOf(TestAuditEventsMvcEndpoint.class);
 	}
 
 	@Test
 	public void loggersMvcEndpointIsConditionalOnMissingBean() throws Exception {
-		this.context.register(LoggersConfiguration.class, TestEndpointConfiguration.class);
+		this.context.register(LoggersConfiguration.class,
+				TestEndpointConfiguration.class);
 		this.context.refresh();
 		LoggersMvcEndpoint mvcEndpoint = this.context.getBean(LoggersMvcEndpoint.class);
 		assertThat(mvcEndpoint).isInstanceOf(TestLoggersMvcEndpoint.class);
@@ -157,7 +164,8 @@ public class EndpointWebMvcManagementContextConfigurationTests {
 
 	@Test
 	public void heapdumpMvcEndpointIsConditionalOnMissingBean() throws Exception {
-		this.context.register(HeapdumpConfiguration.class, TestEndpointConfiguration.class);
+		this.context.register(HeapdumpConfiguration.class,
+				TestEndpointConfiguration.class);
 		this.context.refresh();
 		HeapdumpMvcEndpoint mvcEndpoint = this.context.getBean(HeapdumpMvcEndpoint.class);
 		assertThat(mvcEndpoint).isInstanceOf(TestHeapdumpMvcEndpoint.class);
@@ -171,11 +179,10 @@ public class EndpointWebMvcManagementContextConfigurationTests {
 	@Configuration
 	@ImportAutoConfiguration({ SecurityAutoConfiguration.class,
 			WebMvcAutoConfiguration.class, JacksonAutoConfiguration.class,
-			HttpMessageConvertersAutoConfiguration.class,
-			EndpointAutoConfiguration.class, EndpointWebMvcAutoConfiguration.class,
+			HttpMessageConvertersAutoConfiguration.class, EndpointAutoConfiguration.class,
+			EndpointWebMvcAutoConfiguration.class,
 			ManagementServerPropertiesAutoConfiguration.class,
-			PropertyPlaceholderAutoConfiguration.class,
-			WebClientAutoConfiguration.class,
+			PropertyPlaceholderAutoConfiguration.class, WebClientAutoConfiguration.class,
 			EndpointWebMvcManagementContextConfiguration.class })
 	static class TestEndpointConfiguration {
 
@@ -194,7 +201,8 @@ public class EndpointWebMvcManagementContextConfigurationTests {
 	static class EnvConfiguration {
 
 		@Bean
-		public EnvironmentMvcEndpoint testEnvironmentMvcEndpoint(EnvironmentEndpoint endpoint) {
+		public EnvironmentMvcEndpoint testEnvironmentMvcEndpoint(
+				EnvironmentEndpoint endpoint) {
 			return new TestEnvMvcEndpoint(endpoint);
 		}
 
@@ -245,7 +253,8 @@ public class EndpointWebMvcManagementContextConfigurationTests {
 		}
 
 		@Bean
-		public AuditEventsMvcEndpoint testAuditEventsMvcEndpoint(AuditEventRepository repository) {
+		public AuditEventsMvcEndpoint testAuditEventsMvcEndpoint(
+				AuditEventRepository repository) {
 			return new TestAuditEventsMvcEndpoint(repository);
 		}
 

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jdbc/EmbeddedDatabaseConnection.java

@@ -106,7 +106,7 @@ public enum EmbeddedDatabaseConnection {
 	 */
 	public String getUrl(String databaseName) {
 		Assert.hasText(databaseName, "DatabaseName must not be null.");
-		return this.url != null ? String.format(this.url, databaseName) : null;
+		return (this.url != null ? String.format(this.url, databaseName) : null);
 	}
 
 	/**

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/data/elasticsearch/ElasticsearchDataAutoConfigurationTests.java

@@ -80,13 +80,13 @@ public class ElasticsearchDataAutoConfigurationTests {
 	}
 
 	private void load(String... environment) {
-		AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext();
-		EnvironmentTestUtils.addEnvironment(ctx, environment);
-		ctx.register(PropertyPlaceholderAutoConfiguration.class,
+		AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
+		EnvironmentTestUtils.addEnvironment(context, environment);
+		context.register(PropertyPlaceholderAutoConfiguration.class,
 				ElasticsearchAutoConfiguration.class,
 				ElasticsearchDataAutoConfiguration.class);
-		ctx.refresh();
-		this.context = ctx;
+		context.refresh();
+		this.context = context;
 	}
 
 }

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/jdbc/DataSourcePropertiesTests.java

@@ -65,8 +65,8 @@ public class DataSourcePropertiesTests {
 	@Test
 	public void determineUrlWithNoEmbeddedSupport() throws Exception {
 		DataSourceProperties properties = new DataSourceProperties();
-		properties.setBeanClassLoader(new HidePackagesClassLoader("org.h2",
-				"org.apache.derby", "org.hsqldb"));
+		properties.setBeanClassLoader(
+				new HidePackagesClassLoader("org.h2", "org.apache.derby", "org.hsqldb"));
 		properties.afterPropertiesSet();
 		this.thrown.expect(DataSourceProperties.DataSourceBeanCreationException.class);
 		this.thrown.expectMessage("Cannot determine embedded database url");

spring-boot-test/src/main/java/org/springframework/boot/test/json/JsonContent.java

@@ -55,7 +55,6 @@ public final class JsonContent<T> implements AssertProvider<JsonContentAssert> {
 	/**
 	 * Use AssertJ's {@link org.assertj.core.api.Assertions#assertThat assertThat}
 	 * instead.
-	 *
 	 * @deprecated in favor of AssertJ's {@link org.assertj.core.api.Assertions#assertThat
 	 * assertThat}
 	 */