Polish

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/cloudfoundry/CloudFoundryHealthWebEndpointAutoConfiguration.java

@@ -37,9 +37,11 @@ import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
 /**
- * {@link EnableAutoConfiguration Auto-configuration} for Cloud Foundry Health endpoint extensions.
+ * {@link EnableAutoConfiguration Auto-configuration} for Cloud Foundry Health endpoint
+ * extensions.
  *
  * @author Madhura Bhave
+ * @since 2.0.0
  */
 @Configuration
 @ConditionalOnCloudPlatform(CloudPlatform.CLOUD_FOUNDRY)

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/integrationtest/WebMvcEndpointCorsIntegrationTests.java

@@ -70,7 +70,8 @@ public class WebMvcEndpointCorsIntegrationTests {
 		createMockMvc()
 				.perform(options("/actuator/beans").header("Origin", "foo.example.com")
 						.header(HttpHeaders.ACCESS_CONTROL_REQUEST_METHOD, "GET"))
-				.andExpect(header().doesNotExist(HttpHeaders.ACCESS_CONTROL_ALLOW_ORIGIN));
+				.andExpect(
+						header().doesNotExist(HttpHeaders.ACCESS_CONTROL_ALLOW_ORIGIN));
 	}
 
 	@Test

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

@@ -217,10 +217,11 @@ public class AutoConfigurationImportSelector
 	private List<String> getExcludeAutoConfigurationsProperty() {
 		if (getEnvironment() instanceof ConfigurableEnvironment) {
 			Binder binder = Binder.get(getEnvironment());
-			return binder.bind(PROPERTY_NAME_AUTOCONFIGURE_EXCLUDE, String[].class).map(Arrays::asList)
-					.orElse(Collections.emptyList());
+			return binder.bind(PROPERTY_NAME_AUTOCONFIGURE_EXCLUDE, String[].class)
+					.map(Arrays::asList).orElse(Collections.emptyList());
 		}
-		String[] excludes = getEnvironment().getProperty(PROPERTY_NAME_AUTOCONFIGURE_EXCLUDE, String[].class);
+		String[] excludes = getEnvironment()
+				.getProperty(PROPERTY_NAME_AUTOCONFIGURE_EXCLUDE, String[].class);
 		return (excludes == null ? Collections.emptyList() : Arrays.asList(excludes));
 	}
 

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

@@ -487,8 +487,8 @@ public class ResourceProperties {
 					return CacheControl.noCache();
 				}
 				if (this.maxAge != null) {
-					return CacheControl
-							.maxAge(this.maxAge.getSeconds(), TimeUnit.SECONDS);
+					return CacheControl.maxAge(this.maxAge.getSeconds(),
+							TimeUnit.SECONDS);
 				}
 				return CacheControl.empty();
 			}

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/servlet/DefaultServletWebServerFactoryCustomizer.java

@@ -390,15 +390,13 @@ public class DefaultServletWebServerFactoryCustomizer
 		}
 
 		private static void customizeRedirectContextRoot(
-				TomcatServletWebServerFactory factory,
-				boolean redirectContextRoot) {
+				TomcatServletWebServerFactory factory, boolean redirectContextRoot) {
 			factory.addContextCustomizers((context) -> context
 					.setMapperContextRootRedirectEnabled(redirectContextRoot));
 		}
 
 		private static void customizeUseRelativeRedirects(
-				TomcatServletWebServerFactory factory,
-				boolean useRelativeRedirects) {
+				TomcatServletWebServerFactory factory, boolean useRelativeRedirects) {
 			factory.addContextCustomizers(
 					(context) -> context.setUseRelativeRedirects(useRelativeRedirects));
 		}

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/servlet/WelcomePageHandlerMapping.java

@@ -36,8 +36,8 @@ import org.springframework.web.servlet.mvc.ParameterizableViewController;
 
 /**
  * An {@link AbstractUrlHandlerMapping} for an application's welcome page. Supports both
- * static and templated files. If both a static and templated index page are available, the
- * static page is preferred.
+ * static and templated files. If both a static and templated index page are available,
+ * the static page is preferred.
  *
  * @author Andy Wilkinson
  * @author Bruce Brouwer
@@ -46,7 +46,8 @@ final class WelcomePageHandlerMapping extends AbstractUrlHandlerMapping {
 
 	private static final Log logger = LogFactory.getLog(WelcomePageHandlerMapping.class);
 
-	private static final List<MediaType> MEDIA_TYPES_ALL = Collections.singletonList(MediaType.ALL);
+	private static final List<MediaType> MEDIA_TYPES_ALL = Collections
+			.singletonList(MediaType.ALL);
 
 	WelcomePageHandlerMapping(TemplateAvailabilityProviders templateAvailabilityProviders,
 			ApplicationContext applicationContext, Optional<Resource> welcomePage,

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/data/web/SpringDataWebAutoConfigurationTests.java

@@ -106,7 +106,8 @@ public class SpringDataWebAutoConfigurationTests {
 		load();
 		PageableHandlerMethodArgumentResolver argumentResolver = this.context
 				.getBean(PageableHandlerMethodArgumentResolver.class);
-		SpringDataWebProperties.Pageable properties = new SpringDataWebProperties().getPageable();
+		SpringDataWebProperties.Pageable properties = new SpringDataWebProperties()
+				.getPageable();
 		assertThat(ReflectionTestUtils.getField(argumentResolver, "pageParameterName"))
 				.isEqualTo(properties.getPageParameter());
 		assertThat(ReflectionTestUtils.getField(argumentResolver, "sizeParameterName"))

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/freemarker/FreeMarkerAutoConfigurationReactiveIntegrationTests.java

@@ -69,46 +69,53 @@ public class FreeMarkerAutoConfigurationReactiveIntegrationTests {
 
 	@Test
 	public void customPrefix() {
-		this.contextRunner.withPropertyValues("spring.freemarker.prefix:prefix/").run(context -> {
-			MockServerWebExchange exchange = render(context, "prefixed");
-			String result = exchange.getResponse().getBodyAsString().block();
-			assertThat(result).contains("prefixed");
-		});
+		this.contextRunner.withPropertyValues("spring.freemarker.prefix:prefix/")
+				.run(context -> {
+					MockServerWebExchange exchange = render(context, "prefixed");
+					String result = exchange.getResponse().getBodyAsString().block();
+					assertThat(result).contains("prefixed");
+				});
 	}
 
 	@Test
 	public void customSuffix() {
-		this.contextRunner.withPropertyValues("spring.freemarker.suffix:.freemarker").run(context -> {
-			MockServerWebExchange exchange = render(context, "suffixed");
-			String result = exchange.getResponse().getBodyAsString().block();
-			assertThat(result).contains("suffixed");
-		});
+		this.contextRunner.withPropertyValues("spring.freemarker.suffix:.freemarker")
+				.run(context -> {
+					MockServerWebExchange exchange = render(context, "suffixed");
+					String result = exchange.getResponse().getBodyAsString().block();
+					assertThat(result).contains("suffixed");
+				});
 	}
 
 	@Test
 	public void customTemplateLoaderPath() {
-		this.contextRunner.withPropertyValues("spring.freemarker.templateLoaderPath:classpath:/custom-templates/").run(context -> {
-			MockServerWebExchange exchange = render(context, "custom");
-			String result = exchange.getResponse().getBodyAsString().block();
-			assertThat(result).contains("custom");
-		});
+		this.contextRunner
+				.withPropertyValues(
+						"spring.freemarker.templateLoaderPath:classpath:/custom-templates/")
+				.run(context -> {
+					MockServerWebExchange exchange = render(context, "custom");
+					String result = exchange.getResponse().getBodyAsString().block();
+					assertThat(result).contains("custom");
+				});
 	}
 
 	@SuppressWarnings("deprecation")
 	@Test
 	public void customFreeMarkerSettings() {
-		this.contextRunner.withPropertyValues("spring.freemarker.settings.boolean_format:yup,nope")
-				.run(context -> assertThat(context.getBean(FreeMarkerConfigurer.class).getConfiguration()
-						.getSetting("boolean_format")).isEqualTo("yup,nope"));
+		this.contextRunner
+				.withPropertyValues("spring.freemarker.settings.boolean_format:yup,nope")
+				.run(context -> assertThat(context.getBean(FreeMarkerConfigurer.class)
+						.getConfiguration().getSetting("boolean_format"))
+								.isEqualTo("yup,nope"));
 	}
 
 	@Test
 	public void renderTemplate() {
 		this.contextRunner.withPropertyValues().run(context -> {
-			FreeMarkerConfigurer freemarker = context
-					.getBean(FreeMarkerConfigurer.class);
+			FreeMarkerConfigurer freemarker = context.getBean(FreeMarkerConfigurer.class);
 			StringWriter writer = new StringWriter();
-			freemarker.getConfiguration().getTemplate("message.ftl").process(this, writer);
+			freemarker.getConfiguration().getTemplate("message.ftl").process(this,
+					writer);
 			assertThat(writer.toString()).contains("Hello World");
 		});
 	}
@@ -118,8 +125,7 @@ public class FreeMarkerAutoConfigurationReactiveIntegrationTests {
 	}
 
 	private MockServerWebExchange render(ApplicationContext context, String viewName) {
-		FreeMarkerViewResolver resolver = context
-				.getBean(FreeMarkerViewResolver.class);
+		FreeMarkerViewResolver resolver = context.getBean(FreeMarkerViewResolver.class);
 		Mono<View> view = resolver.resolveViewName(viewName, Locale.UK);
 		MockServerWebExchange exchange = MockServerWebExchange
 				.from(MockServerHttpRequest.get("/path"));

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/freemarker/FreeMarkerAutoConfigurationTests.java

@@ -60,9 +60,11 @@ public class FreeMarkerAutoConfigurationTests {
 
 	@Test
 	public void nonExistentTemplateLocation() {
-		this.contextRunner.withPropertyValues("spring.freemarker.templateLoaderPath:"
-				+ "classpath:/does-not-exist/,classpath:/also-does-not-exist")
-				.run(context -> this.output.expect(containsString("Cannot find template location")));
+		this.contextRunner
+				.withPropertyValues("spring.freemarker.templateLoaderPath:"
+						+ "classpath:/does-not-exist/,classpath:/also-does-not-exist")
+				.run(context -> this.output
+						.expect(containsString("Cannot find template location")));
 	}
 
 	@Test
@@ -70,15 +72,17 @@ public class FreeMarkerAutoConfigurationTests {
 		new File("target/test-classes/templates/empty-directory").mkdir();
 		this.contextRunner.withPropertyValues("spring.freemarker.templateLoaderPath:"
 				+ "classpath:/templates/empty-directory/").run(context -> {
-		});
+				});
 	}
 
 	@Test
 	public void nonExistentLocationAndEmptyLocation() {
 		new File("target/test-classes/templates/empty-directory").mkdir();
-		this.contextRunner.withPropertyValues("spring.freemarker.templateLoaderPath:"
-				+ "classpath:/does-not-exist/,classpath:/templates/empty-directory/").run(context -> {
-		});
+		this.contextRunner
+				.withPropertyValues("spring.freemarker.templateLoaderPath:"
+						+ "classpath:/does-not-exist/,classpath:/templates/empty-directory/")
+				.run(context -> {
+				});
 	}
 
 }

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/jackson/JacksonAutoConfigurationTests.java

@@ -90,11 +90,14 @@ public class JacksonAutoConfigurationTests {
 
 	@Test
 	public void doubleModuleRegistration() {
-		this.contextRunner.withUserConfiguration(DoubleModulesConfig.class).withConfiguration(AutoConfigurations.of(
-				HttpMessageConvertersAutoConfiguration.class)).run(context -> {
-			ObjectMapper mapper = context.getBean(ObjectMapper.class);
-			assertThat(mapper.writeValueAsString(new Foo())).isEqualTo("{\"foo\":\"bar\"}");
-		});
+		this.contextRunner.withUserConfiguration(DoubleModulesConfig.class)
+				.withConfiguration(AutoConfigurations
+						.of(HttpMessageConvertersAutoConfiguration.class))
+				.run(context -> {
+					ObjectMapper mapper = context.getBean(ObjectMapper.class);
+					assertThat(mapper.writeValueAsString(new Foo()))
+							.isEqualTo("{\"foo\":\"bar\"}");
+				});
 	}
 
 	/*
@@ -113,34 +116,42 @@ public class JacksonAutoConfigurationTests {
 
 	@Test
 	public void customDateFormat() {
-		this.contextRunner.withPropertyValues("spring.jackson.date-format:yyyyMMddHHmmss").run(context -> {
-			ObjectMapper mapper = context.getBean(ObjectMapper.class);
-			DateFormat dateFormat = mapper.getDateFormat();
-			assertThat(dateFormat).isInstanceOf(SimpleDateFormat.class);
-			assertThat(((SimpleDateFormat) dateFormat).toPattern())
-					.isEqualTo("yyyyMMddHHmmss");
-		});
+		this.contextRunner.withPropertyValues("spring.jackson.date-format:yyyyMMddHHmmss")
+				.run(context -> {
+					ObjectMapper mapper = context.getBean(ObjectMapper.class);
+					DateFormat dateFormat = mapper.getDateFormat();
+					assertThat(dateFormat).isInstanceOf(SimpleDateFormat.class);
+					assertThat(((SimpleDateFormat) dateFormat).toPattern())
+							.isEqualTo("yyyyMMddHHmmss");
+				});
 	}
 
 	@Test
 	public void customJodaDateTimeFormat() throws Exception {
-		this.contextRunner.withPropertyValues("spring.jackson.date-format:yyyyMMddHHmmss",
-				"spring.jackson.joda-date-time-format:yyyy-MM-dd HH:mm:ss").run(context -> {
-			ObjectMapper mapper = context.getBean(ObjectMapper.class);
-			DateTime dateTime = new DateTime(1988, 6, 25, 20, 30, DateTimeZone.UTC);
-			assertThat(mapper.writeValueAsString(dateTime))
-					.isEqualTo("\"1988-06-25 20:30:00\"");
-			Date date = dateTime.toDate();
-			assertThat(mapper.writeValueAsString(date)).isEqualTo("\"19880625203000\"");
-		});
+		this.contextRunner
+				.withPropertyValues("spring.jackson.date-format:yyyyMMddHHmmss",
+						"spring.jackson.joda-date-time-format:yyyy-MM-dd HH:mm:ss")
+				.run(context -> {
+					ObjectMapper mapper = context.getBean(ObjectMapper.class);
+					DateTime dateTime = new DateTime(1988, 6, 25, 20, 30,
+							DateTimeZone.UTC);
+					assertThat(mapper.writeValueAsString(dateTime))
+							.isEqualTo("\"1988-06-25 20:30:00\"");
+					Date date = dateTime.toDate();
+					assertThat(mapper.writeValueAsString(date))
+							.isEqualTo("\"19880625203000\"");
+				});
 	}
 
 	@Test
 	public void customDateFormatClass() {
-		this.contextRunner.withPropertyValues("spring.jackson.date-format:org.springframework.boot.autoconfigure.jackson.JacksonAutoConfigurationTests.MyDateFormat").run(context -> {
-			ObjectMapper mapper = context.getBean(ObjectMapper.class);
-			assertThat(mapper.getDateFormat()).isInstanceOf(MyDateFormat.class);
-		});
+		this.contextRunner
+				.withPropertyValues(
+						"spring.jackson.date-format:org.springframework.boot.autoconfigure.jackson.JacksonAutoConfigurationTests.MyDateFormat")
+				.run(context -> {
+					ObjectMapper mapper = context.getBean(ObjectMapper.class);
+					assertThat(mapper.getDateFormat()).isInstanceOf(MyDateFormat.class);
+				});
 	}
 
 	@Test
@@ -153,16 +164,20 @@ public class JacksonAutoConfigurationTests {
 
 	@Test
 	public void customPropertyNamingStrategyField() {
-		this.contextRunner.withPropertyValues("spring.jackson.property-naming-strategy:SNAKE_CASE").run(context -> {
-			ObjectMapper mapper = context.getBean(ObjectMapper.class);
-			assertThat(mapper.getPropertyNamingStrategy())
-					.isInstanceOf(SnakeCaseStrategy.class);
-		});
+		this.contextRunner
+				.withPropertyValues("spring.jackson.property-naming-strategy:SNAKE_CASE")
+				.run(context -> {
+					ObjectMapper mapper = context.getBean(ObjectMapper.class);
+					assertThat(mapper.getPropertyNamingStrategy())
+							.isInstanceOf(SnakeCaseStrategy.class);
+				});
 	}
 
 	@Test
 	public void customPropertyNamingStrategyClass() {
-		this.contextRunner.withPropertyValues("spring.jackson.property-naming-strategy:com.fasterxml.jackson.databind.PropertyNamingStrategy.SnakeCaseStrategy")
+		this.contextRunner
+				.withPropertyValues(
+						"spring.jackson.property-naming-strategy:com.fasterxml.jackson.databind.PropertyNamingStrategy.SnakeCaseStrategy")
 				.run(context -> {
 					ObjectMapper mapper = context.getBean(ObjectMapper.class);
 					assertThat(mapper.getPropertyNamingStrategy())
@@ -172,123 +187,151 @@ public class JacksonAutoConfigurationTests {
 
 	@Test
 	public void enableSerializationFeature() {
-		this.contextRunner.withPropertyValues("spring.jackson.serialization.indent_output:true")
+		this.contextRunner
+				.withPropertyValues("spring.jackson.serialization.indent_output:true")
 				.run(context -> {
 					ObjectMapper mapper = context.getBean(ObjectMapper.class);
-					assertThat(SerializationFeature.INDENT_OUTPUT.enabledByDefault()).isFalse();
-					assertThat(mapper.getSerializationConfig()
-							.hasSerializationFeatures(SerializationFeature.INDENT_OUTPUT.getMask()))
-							.isTrue();
+					assertThat(SerializationFeature.INDENT_OUTPUT.enabledByDefault())
+							.isFalse();
+					assertThat(mapper.getSerializationConfig().hasSerializationFeatures(
+							SerializationFeature.INDENT_OUTPUT.getMask())).isTrue();
 				});
 	}
 
 	@Test
 	public void disableSerializationFeature() {
-		this.contextRunner.withPropertyValues("spring.jackson.serialization.write_dates_as_timestamps:false")
+		this.contextRunner
+				.withPropertyValues(
+						"spring.jackson.serialization.write_dates_as_timestamps:false")
 				.run(context -> {
 					ObjectMapper mapper = context.getBean(ObjectMapper.class);
-					assertThat(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS.enabledByDefault())
-							.isTrue();
+					assertThat(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS
+							.enabledByDefault()).isTrue();
 					assertThat(mapper.getSerializationConfig().hasSerializationFeatures(
-							SerializationFeature.WRITE_DATES_AS_TIMESTAMPS.getMask())).isFalse();
+							SerializationFeature.WRITE_DATES_AS_TIMESTAMPS.getMask()))
+									.isFalse();
 				});
 	}
 
 	@Test
 	public void enableDeserializationFeature() {
-		this.contextRunner.withPropertyValues("spring.jackson.deserialization.use_big_decimal_for_floats:true")
+		this.contextRunner
+				.withPropertyValues(
+						"spring.jackson.deserialization.use_big_decimal_for_floats:true")
 				.run(context -> {
 					ObjectMapper mapper = context.getBean(ObjectMapper.class);
-					assertThat(DeserializationFeature.USE_BIG_DECIMAL_FOR_FLOATS.enabledByDefault())
-							.isFalse();
-					assertThat(mapper.getDeserializationConfig().hasDeserializationFeatures(
-							DeserializationFeature.USE_BIG_DECIMAL_FOR_FLOATS.getMask())).isTrue();
+					assertThat(DeserializationFeature.USE_BIG_DECIMAL_FOR_FLOATS
+							.enabledByDefault()).isFalse();
+					assertThat(
+							mapper.getDeserializationConfig().hasDeserializationFeatures(
+									DeserializationFeature.USE_BIG_DECIMAL_FOR_FLOATS
+											.getMask())).isTrue();
 				});
 	}
 
 	@Test
 	public void disableDeserializationFeature() {
-		this.contextRunner.withPropertyValues("spring.jackson.deserialization.fail-on-unknown-properties:false")
+		this.contextRunner
+				.withPropertyValues(
+						"spring.jackson.deserialization.fail-on-unknown-properties:false")
 				.run(context -> {
 					ObjectMapper mapper = context.getBean(ObjectMapper.class);
-					assertThat(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES.enabledByDefault())
-							.isTrue();
-					assertThat(mapper.getDeserializationConfig().hasDeserializationFeatures(
-							DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES.getMask())).isFalse();
+					assertThat(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES
+							.enabledByDefault()).isTrue();
+					assertThat(
+							mapper.getDeserializationConfig().hasDeserializationFeatures(
+									DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES
+											.getMask())).isFalse();
 				});
 	}
 
 	@Test
 	public void enableMapperFeature() {
-		this.contextRunner.withPropertyValues("spring.jackson.mapper.require_setters_for_getters:true")
+		this.contextRunner
+				.withPropertyValues(
+						"spring.jackson.mapper.require_setters_for_getters:true")
 				.run(context -> {
 					ObjectMapper mapper = context.getBean(ObjectMapper.class);
-					assertThat(MapperFeature.REQUIRE_SETTERS_FOR_GETTERS.enabledByDefault())
-							.isFalse();
-					assertThat(mapper.getSerializationConfig()
-							.hasMapperFeatures(MapperFeature.REQUIRE_SETTERS_FOR_GETTERS.getMask()))
-							.isTrue();
-					assertThat(mapper.getDeserializationConfig()
-							.hasMapperFeatures(MapperFeature.REQUIRE_SETTERS_FOR_GETTERS.getMask()))
-							.isTrue();
+					assertThat(
+							MapperFeature.REQUIRE_SETTERS_FOR_GETTERS.enabledByDefault())
+									.isFalse();
+					assertThat(mapper.getSerializationConfig().hasMapperFeatures(
+							MapperFeature.REQUIRE_SETTERS_FOR_GETTERS.getMask()))
+									.isTrue();
+					assertThat(mapper.getDeserializationConfig().hasMapperFeatures(
+							MapperFeature.REQUIRE_SETTERS_FOR_GETTERS.getMask()))
+									.isTrue();
 				});
 	}
 
 	@Test
 	public void disableMapperFeature() {
-		this.contextRunner.withPropertyValues("spring.jackson.mapper.use_annotations:false")
+		this.contextRunner
+				.withPropertyValues("spring.jackson.mapper.use_annotations:false")
 				.run(context -> {
 					ObjectMapper mapper = context.getBean(ObjectMapper.class);
 					assertThat(MapperFeature.USE_ANNOTATIONS.enabledByDefault()).isTrue();
 					assertThat(mapper.getDeserializationConfig()
-							.hasMapperFeatures(MapperFeature.USE_ANNOTATIONS.getMask())).isFalse();
+							.hasMapperFeatures(MapperFeature.USE_ANNOTATIONS.getMask()))
+									.isFalse();
 					assertThat(mapper.getSerializationConfig()
-							.hasMapperFeatures(MapperFeature.USE_ANNOTATIONS.getMask())).isFalse();
+							.hasMapperFeatures(MapperFeature.USE_ANNOTATIONS.getMask()))
+									.isFalse();
 				});
 	}
 
 	@Test
 	public void enableParserFeature() {
-		this.contextRunner.withPropertyValues("spring.jackson.parser.allow_single_quotes:true")
+		this.contextRunner
+				.withPropertyValues("spring.jackson.parser.allow_single_quotes:true")
 				.run(context -> {
 					ObjectMapper mapper = context.getBean(ObjectMapper.class);
-					assertThat(JsonParser.Feature.ALLOW_SINGLE_QUOTES.enabledByDefault()).isFalse();
-					assertThat(mapper.getFactory().isEnabled(JsonParser.Feature.ALLOW_SINGLE_QUOTES))
-							.isTrue();
+					assertThat(JsonParser.Feature.ALLOW_SINGLE_QUOTES.enabledByDefault())
+							.isFalse();
+					assertThat(mapper.getFactory()
+							.isEnabled(JsonParser.Feature.ALLOW_SINGLE_QUOTES)).isTrue();
 				});
 	}
 
 	@Test
 	public void disableParserFeature() {
-		this.contextRunner.withPropertyValues("spring.jackson.parser.auto_close_source:false")
+		this.contextRunner
+				.withPropertyValues("spring.jackson.parser.auto_close_source:false")
 				.run(context -> {
 					ObjectMapper mapper = context.getBean(ObjectMapper.class);
-					assertThat(JsonParser.Feature.AUTO_CLOSE_SOURCE.enabledByDefault()).isTrue();
-					assertThat(mapper.getFactory().isEnabled(JsonParser.Feature.AUTO_CLOSE_SOURCE))
-							.isFalse();
+					assertThat(JsonParser.Feature.AUTO_CLOSE_SOURCE.enabledByDefault())
+							.isTrue();
+					assertThat(mapper.getFactory()
+							.isEnabled(JsonParser.Feature.AUTO_CLOSE_SOURCE)).isFalse();
 				});
 	}
 
 	@Test
 	public void enableGeneratorFeature() {
-		this.contextRunner.withPropertyValues("spring.jackson.generator.write_numbers_as_strings:true")
+		this.contextRunner
+				.withPropertyValues(
+						"spring.jackson.generator.write_numbers_as_strings:true")
 				.run(context -> {
 					ObjectMapper mapper = context.getBean(ObjectMapper.class);
-					assertThat(JsonGenerator.Feature.WRITE_NUMBERS_AS_STRINGS.enabledByDefault())
-							.isFalse();
+					assertThat(JsonGenerator.Feature.WRITE_NUMBERS_AS_STRINGS
+							.enabledByDefault()).isFalse();
 					assertThat(mapper.getFactory()
-							.isEnabled(JsonGenerator.Feature.WRITE_NUMBERS_AS_STRINGS)).isTrue();
+							.isEnabled(JsonGenerator.Feature.WRITE_NUMBERS_AS_STRINGS))
+									.isTrue();
 				});
 	}
 
 	@Test
 	public void disableGeneratorFeature() {
-		this.contextRunner.withPropertyValues("spring.jackson.generator.auto_close_target:false")
+		this.contextRunner
+				.withPropertyValues("spring.jackson.generator.auto_close_target:false")
 				.run(context -> {
 					ObjectMapper mapper = context.getBean(ObjectMapper.class);
-					assertThat(JsonGenerator.Feature.AUTO_CLOSE_TARGET.enabledByDefault()).isTrue();
-					assertThat(mapper.getFactory().isEnabled(JsonGenerator.Feature.AUTO_CLOSE_TARGET))
-							.isFalse();
+					assertThat(JsonGenerator.Feature.AUTO_CLOSE_TARGET.enabledByDefault())
+							.isTrue();
+					assertThat(mapper.getFactory()
+							.isEnabled(JsonGenerator.Feature.AUTO_CLOSE_TARGET))
+									.isFalse();
 				});
 	}
 
@@ -306,18 +349,20 @@ public class JacksonAutoConfigurationTests {
 					.isEnabled(MapperFeature.DEFAULT_VIEW_INCLUSION)).isFalse();
 			assertThat(mapper.getSerializationConfig()
 					.isEnabled(MapperFeature.DEFAULT_VIEW_INCLUSION)).isFalse();
-			assertThat(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES.enabledByDefault())
-					.isTrue();
+			assertThat(
+					DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES.enabledByDefault())
+							.isTrue();
 			assertThat(mapper.getDeserializationConfig()
-					.isEnabled(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES)).isFalse();
+					.isEnabled(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES))
+							.isFalse();
 		});
 	}
 
 	@Test
 	public void moduleBeansAndWellKnownModulesAreRegisteredWithTheObjectMapperBuilder() {
 		this.contextRunner.withUserConfiguration(ModuleConfig.class).run(context -> {
-			ObjectMapper objectMapper = context
-					.getBean(Jackson2ObjectMapperBuilder.class).build();
+			ObjectMapper objectMapper = context.getBean(Jackson2ObjectMapperBuilder.class)
+					.build();
 			assertThat(context.getBean(CustomModule.class).getOwners())
 					.contains((ObjectCodec) objectMapper);
 			assertThat(objectMapper.canSerialize(LocalDateTime.class)).isTrue();
@@ -328,8 +373,8 @@ public class JacksonAutoConfigurationTests {
 	@Test
 	public void defaultSerializationInclusion() {
 		this.contextRunner.run(context -> {
-			ObjectMapper objectMapper = context
-					.getBean(Jackson2ObjectMapperBuilder.class).build();
+			ObjectMapper objectMapper = context.getBean(Jackson2ObjectMapperBuilder.class)
+					.build();
 			assertThat(objectMapper.getSerializationConfig().getDefaultPropertyInclusion()
 					.getValueInclusion()).isEqualTo(JsonInclude.Include.USE_DEFAULTS);
 		});
@@ -337,56 +382,65 @@ public class JacksonAutoConfigurationTests {
 
 	@Test
 	public void customSerializationInclusion() {
-		this.contextRunner.withPropertyValues("spring.jackson.default-property-inclusion:non_null")
+		this.contextRunner
+				.withPropertyValues("spring.jackson.default-property-inclusion:non_null")
 				.run(context -> {
 					ObjectMapper objectMapper = context
 							.getBean(Jackson2ObjectMapperBuilder.class).build();
-					assertThat(objectMapper.getSerializationConfig().getDefaultPropertyInclusion()
-							.getValueInclusion()).isEqualTo(JsonInclude.Include.NON_NULL);
+					assertThat(objectMapper.getSerializationConfig()
+							.getDefaultPropertyInclusion().getValueInclusion())
+									.isEqualTo(JsonInclude.Include.NON_NULL);
 				});
 	}
 
 	@Test
 	public void customTimeZoneFormattingADateTime() {
-		this.contextRunner.withPropertyValues("spring.jackson.time-zone:America/Los_Angeles",
-				"spring.jackson.date-format:zzzz", "spring.jackson.locale:en").run(context -> {
-			ObjectMapper objectMapper = context
-					.getBean(Jackson2ObjectMapperBuilder.class).build();
-			DateTime dateTime = new DateTime(1436966242231L, DateTimeZone.UTC);
-			assertThat(objectMapper.writeValueAsString(dateTime))
-					.isEqualTo("\"Pacific Daylight Time\"");
-		});
+		this.contextRunner
+				.withPropertyValues("spring.jackson.time-zone:America/Los_Angeles",
+						"spring.jackson.date-format:zzzz", "spring.jackson.locale:en")
+				.run(context -> {
+					ObjectMapper objectMapper = context
+							.getBean(Jackson2ObjectMapperBuilder.class).build();
+					DateTime dateTime = new DateTime(1436966242231L, DateTimeZone.UTC);
+					assertThat(objectMapper.writeValueAsString(dateTime))
+							.isEqualTo("\"Pacific Daylight Time\"");
+				});
 	}
 
 	@Test
 	public void customTimeZoneFormattingADate() throws JsonProcessingException {
 		this.contextRunner.withPropertyValues("spring.jackson.time-zone:GMT+10",
 				"spring.jackson.date-format:z").run(context -> {
-			ObjectMapper objectMapper = context
-					.getBean(Jackson2ObjectMapperBuilder.class).build();
-			Date date = new Date(1436966242231L);
-			assertThat(objectMapper.writeValueAsString(date)).isEqualTo("\"GMT+10:00\"");
-		});
+					ObjectMapper objectMapper = context
+							.getBean(Jackson2ObjectMapperBuilder.class).build();
+					Date date = new Date(1436966242231L);
+					assertThat(objectMapper.writeValueAsString(date))
+							.isEqualTo("\"GMT+10:00\"");
+				});
 	}
 
 	@Test
 	public void customLocaleWithJodaTime() throws JsonProcessingException {
-		this.contextRunner.withPropertyValues("spring.jackson.locale:de_DE", "spring.jackson.date-format:zzzz",
-				"spring.jackson.serialization.write-dates-with-zone-id:true").run(context -> {
-			ObjectMapper objectMapper = context.getBean(ObjectMapper.class);
-			DateTime jodaTime = new DateTime(1478424650000L,
-					DateTimeZone.forID("Europe/Rome"));
-			assertThat(objectMapper.writeValueAsString(jodaTime))
-					.startsWith("\"Mitteleuropäische ");
-		});
+		this.contextRunner
+				.withPropertyValues("spring.jackson.locale:de_DE",
+						"spring.jackson.date-format:zzzz",
+						"spring.jackson.serialization.write-dates-with-zone-id:true")
+				.run(context -> {
+					ObjectMapper objectMapper = context.getBean(ObjectMapper.class);
+					DateTime jodaTime = new DateTime(1478424650000L,
+							DateTimeZone.forID("Europe/Rome"));
+					assertThat(objectMapper.writeValueAsString(jodaTime))
+							.startsWith("\"Mitteleuropäische ");
+				});
 	}
 
 	@Test
 	public void additionalJacksonBuilderCustomization() {
-		this.contextRunner.withUserConfiguration(ObjectMapperBuilderCustomConfig.class).run(context -> {
-			ObjectMapper mapper = context.getBean(ObjectMapper.class);
-			assertThat(mapper.getDateFormat()).isInstanceOf(MyDateFormat.class);
-		});
+		this.contextRunner.withUserConfiguration(ObjectMapperBuilderCustomConfig.class)
+				.run(context -> {
+					ObjectMapper mapper = context.getBean(ObjectMapper.class);
+					assertThat(mapper.getDateFormat()).isInstanceOf(MyDateFormat.class);
+				});
 	}
 
 	@Test
@@ -407,9 +461,9 @@ public class JacksonAutoConfigurationTests {
 			ObjectMapper mapper = context.getBean(ObjectMapper.class);
 			DateTime dateTime = new DateTime(1988, 6, 25, 20, 30, DateTimeZone.UTC);
 			String expected = FormatConfig.DEFAULT_DATETIME_PRINTER.rawFormatter()
-					.withZone(DateTimeZone.UTC)
-					.print(dateTime);
-			assertThat(mapper.writeValueAsString(dateTime)).isEqualTo("\"" + expected + "\"");
+					.withZone(DateTimeZone.UTC).print(dateTime);
+			assertThat(mapper.writeValueAsString(dateTime))
+					.isEqualTo("\"" + expected + "\"");
 		});
 	}
 
@@ -420,8 +474,8 @@ public class JacksonAutoConfigurationTests {
 					.getBean(ObjectMapper.class).getDeserializationConfig();
 			AnnotationIntrospector annotationIntrospector = deserializationConfig
 					.getAnnotationIntrospector().allIntrospectors().iterator().next();
-			assertThat(ReflectionTestUtils.getField(annotationIntrospector, "creatorBinding"))
-					.isEqualTo(expectedMode);
+			assertThat(ReflectionTestUtils.getField(annotationIntrospector,
+					"creatorBinding")).isEqualTo(expectedMode);
 		});
 	}
 
@@ -465,8 +519,7 @@ public class JacksonAutoConfigurationTests {
 
 				@Override
 				public void serialize(Foo value, JsonGenerator jgen,
-						SerializerProvider provider)
-								throws IOException {
+						SerializerProvider provider) throws IOException {
 					jgen.writeStartObject();
 					jgen.writeStringField("foo", "bar");
 					jgen.writeEndObject();

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/ResourcePropertiesTests.java

@@ -74,8 +74,8 @@ public class ResourcePropertiesTests {
 
 	@Test
 	public void emptyCacheControl() {
-		CacheControl cacheControl = this.properties.getCache()
-				.getCachecontrol().toHttpCacheControl();
+		CacheControl cacheControl = this.properties.getCache().getCachecontrol()
+				.toHttpCacheControl();
 		assertThat(cacheControl.getHeaderValue()).isNull();
 	}
 

spring-boot-project/spring-boot-cli/src/it/java/org/springframework/boot/cli/infrastructure/CommandLineInvoker.java

@@ -160,8 +160,7 @@ public final class CommandLineInvoker {
 		private List<String> getLines(StringBuffer buffer) {
 			BufferedReader reader = new BufferedReader(
 					new StringReader(buffer.toString()));
-			return reader.lines()
-					.filter((line) -> !line.startsWith("Picked up "))
+			return reader.lines().filter((line) -> !line.startsWith("Picked up "))
 					.collect(Collectors.toList());
 		}
 

spring-boot-project/spring-boot-cli/src/test/java/org/springframework/boot/cli/compiler/RepositoryConfigurationFactoryTests.java

@@ -50,11 +50,12 @@ public class RepositoryConfigurationFactoryTests {
 	public void snapshotRepositoriesDisabled() {
 		TestPropertyValues.of("user.home:src/test/resources/maven-settings/basic",
 				"disableSpringSnapshotRepos:true").applyToSystemProperties(() -> {
-			List<RepositoryConfiguration> repositoryConfiguration = RepositoryConfigurationFactory
-					.createDefaultRepositoryConfiguration();
-			assertRepositoryConfiguration(repositoryConfiguration, "central", "local");
-			return null;
-		});
+					List<RepositoryConfiguration> repositoryConfiguration = RepositoryConfigurationFactory
+							.createDefaultRepositoryConfiguration();
+					assertRepositoryConfiguration(repositoryConfiguration, "central",
+							"local");
+					return null;
+				});
 	}
 
 	@Test
@@ -73,27 +74,32 @@ public class RepositoryConfigurationFactoryTests {
 
 	@Test
 	public void activeByPropertyProfileRepositories() {
-		TestPropertyValues.of("user.home:src/test/resources/maven-settings/active-profile-repositories",
-				"foo:bar").applyToSystemProperties(() -> {
-			List<RepositoryConfiguration> repositoryConfiguration = RepositoryConfigurationFactory
-					.createDefaultRepositoryConfiguration();
-			assertRepositoryConfiguration(repositoryConfiguration, "central", "local",
-					"spring-snapshot", "spring-milestone", "active-by-property");
-			return null;
-		});
+		TestPropertyValues
+				.of("user.home:src/test/resources/maven-settings/active-profile-repositories",
+						"foo:bar")
+				.applyToSystemProperties(() -> {
+					List<RepositoryConfiguration> repositoryConfiguration = RepositoryConfigurationFactory
+							.createDefaultRepositoryConfiguration();
+					assertRepositoryConfiguration(repositoryConfiguration, "central",
+							"local", "spring-snapshot", "spring-milestone",
+							"active-by-property");
+					return null;
+				});
 	}
 
 	@Test
 	public void interpolationProfileRepositories() {
-		TestPropertyValues.of("user.home:src/test/resources/maven-settings/active-profile-repositories",
-				"interpolate:true").applyToSystemProperties(() -> {
-			List<RepositoryConfiguration> repositoryConfiguration = RepositoryConfigurationFactory
-					.createDefaultRepositoryConfiguration();
-			assertRepositoryConfiguration(repositoryConfiguration, "central", "local",
-					"spring-snapshot", "spring-milestone", "interpolate-releases",
-					"interpolate-snapshots");
-			return null;
-		});
+		TestPropertyValues
+				.of("user.home:src/test/resources/maven-settings/active-profile-repositories",
+						"interpolate:true")
+				.applyToSystemProperties(() -> {
+					List<RepositoryConfiguration> repositoryConfiguration = RepositoryConfigurationFactory
+							.createDefaultRepositoryConfiguration();
+					assertRepositoryConfiguration(repositoryConfiguration, "central",
+							"local", "spring-snapshot", "spring-milestone",
+							"interpolate-releases", "interpolate-snapshots");
+					return null;
+				});
 	}
 
 	private void assertRepositoryConfiguration(

spring-boot-project/spring-boot-cli/src/test/java/org/springframework/boot/cli/compiler/grape/SettingsXmlRepositorySystemSessionAutoConfigurationTests.java

@@ -74,8 +74,10 @@ public class SettingsXmlRepositorySystemSessionAutoConfigurationTests {
 					return new SimpleLocalRepositoryManagerFactory().newInstance(session,
 							localRepository);
 				});
-		TestPropertyValues.of("user.home:src/test/resources/maven-settings/property-interpolation",
-				"foo:bar").applyToSystemProperties(() -> {
+		TestPropertyValues
+				.of("user.home:src/test/resources/maven-settings/property-interpolation",
+						"foo:bar")
+				.applyToSystemProperties(() -> {
 					new SettingsXmlRepositorySystemSessionAutoConfiguration().apply(
 							session,
 							SettingsXmlRepositorySystemSessionAutoConfigurationTests.this.repositorySystem);
@@ -89,11 +91,10 @@ public class SettingsXmlRepositorySystemSessionAutoConfigurationTests {
 		final DefaultRepositorySystemSession session = MavenRepositorySystemUtils
 				.newSession();
 		TestPropertyValues.of("user.home:" + userHome).applyToSystemProperties(() -> {
-					new SettingsXmlRepositorySystemSessionAutoConfiguration().apply(
-							session,
-							SettingsXmlRepositorySystemSessionAutoConfigurationTests.this.repositorySystem);
-					return null;
-				});
+			new SettingsXmlRepositorySystemSessionAutoConfiguration().apply(session,
+					SettingsXmlRepositorySystemSessionAutoConfigurationTests.this.repositorySystem);
+			return null;
+		});
 		RemoteRepository repository = new RemoteRepository.Builder("my-server", "default",
 				"http://maven.example.com").build();
 		assertMirrorSelectorConfiguration(session, repository);

spring-boot-project/spring-boot-test/src/test/java/org/springframework/boot/test/context/FilteredClassLoaderTests.java

@@ -44,15 +44,11 @@ public class FilteredClassLoaderTests {
 
 	@Test
 	public void loadClassWhenFilteredOnClassShouldThrowClassNotFound() throws Exception {
-		FilteredClassLoader classLoader = new FilteredClassLoader(
-				FilteredClassLoaderTests.class);
-		try {
+		try (FilteredClassLoader classLoader = new FilteredClassLoader(
+				FilteredClassLoaderTests.class)) {
 			this.thrown.expect(ClassNotFoundException.class);
 			classLoader.loadClass(getClass().getName());
 		}
-		finally {
-			classLoader.close();
-		}
 	}
 
 	@Test

spring-boot-project/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/data/RandomAccessDataFile.java

@@ -64,8 +64,8 @@ public class RandomAccessDataFile implements RandomAccessData {
 			throw new IllegalArgumentException("File must not be null");
 		}
 		if (!file.exists()) {
-			throw new IllegalArgumentException(String.format(
-					"File %s must exist", file.getAbsolutePath()));
+			throw new IllegalArgumentException(
+					String.format("File %s must exist", file.getAbsolutePath()));
 		}
 		this.file = file;
 		this.filePool = new FilePool(file, concurrentReads);

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/embedded/jetty/JettyReactiveWebServerFactory.java

@@ -99,8 +99,7 @@ public class JettyReactiveWebServerFactory extends AbstractReactiveWebServerFact
 		JettyReactiveWebServerFactory.logger
 				.info("Server initialized with port: " + port);
 		if (getSsl() != null && getSsl().isEnabled()) {
-			new SslServerCustomizer(port, getSsl(), getSslStoreProvider(),
-					getHttp2()).customize(server);
+			customizeSsl(server, port);
 		}
 		for (JettyServerCustomizer customizer : getServerCustomizers()) {
 			customizer.customize(server);
@@ -122,6 +121,11 @@ public class JettyReactiveWebServerFactory extends AbstractReactiveWebServerFact
 		return connector;
 	}
 
+	private void customizeSsl(Server server, int port) {
+		new SslServerCustomizer(port, getSsl(), getSslStoreProvider(), getHttp2())
+				.customize(server);
+	}
+
 	/**
 	 * Returns a Jetty {@link ThreadPool} that should be used by the {@link Server}.
 	 * @return a Jetty {@link ThreadPool} or {@code null}

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/embedded/jetty/JettyServletWebServerFactory.java

@@ -153,8 +153,7 @@ public class JettyServletWebServerFactory extends AbstractServletWebServerFactor
 		server.setHandler(addHandlerWrappers(context));
 		this.logger.info("Server initialized with port: " + port);
 		if (getSsl() != null && getSsl().isEnabled()) {
-			new SslServerCustomizer(port, getSsl(), getSslStoreProvider(),
-					getHttp2()).customize(server);
+			customizeSsl(server, port);
 		}
 		for (JettyServerCustomizer customizer : getServerCustomizers()) {
 			customizer.customize(server);
@@ -214,6 +213,11 @@ public class JettyServletWebServerFactory extends AbstractServletWebServerFactor
 		return handler;
 	}
 
+	private void customizeSsl(Server server, int port) {
+		new SslServerCustomizer(port, getSsl(), getSslStoreProvider(), getHttp2())
+				.customize(server);
+	}
+
 	/**
 	 * Configure the given Jetty {@link WebAppContext} for use.
 	 * @param context the context to configure
@@ -419,9 +423,9 @@ public class JettyServletWebServerFactory extends AbstractServletWebServerFactor
 	}
 
 	/**
-	 * Factory method called to create the {@link JettyWebServer}. Subclasses can
-	 * override this method to return a different {@link JettyWebServer} or apply
-	 * additional processing to the Jetty server.
+	 * Factory method called to create the {@link JettyWebServer}. Subclasses can override
+	 * this method to return a different {@link JettyWebServer} or apply additional
+	 * processing to the Jetty server.
 	 * @param server the Jetty server.
 	 * @return a new {@link JettyWebServer} instance
 	 */

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/embedded/jetty/SslServerCustomizer.java

@@ -58,7 +58,8 @@ class SslServerCustomizer implements JettyServerCustomizer {
 
 	private final Http2 http2;
 
-	SslServerCustomizer(int port, Ssl ssl, SslStoreProvider sslStoreProvider, Http2 http2) {
+	SslServerCustomizer(int port, Ssl ssl, SslStoreProvider sslStoreProvider,
+			Http2 http2) {
 		this.port = port;
 		this.ssl = ssl;
 		this.sslStoreProvider = sslStoreProvider;
@@ -69,61 +70,64 @@ class SslServerCustomizer implements JettyServerCustomizer {
 	public void customize(Server server) {
 		SslContextFactory sslContextFactory = new SslContextFactory();
 		configureSsl(sslContextFactory, this.ssl, this.sslStoreProvider);
-		ServerConnector connector = createConnector(server, sslContextFactory,
-				this.port);
-		server.setConnectors(new Connector[] {connector});
+		ServerConnector connector = createConnector(server, sslContextFactory, this.port);
+		server.setConnectors(new Connector[] { connector });
 	}
 
-	private ServerConnector createConnector(Server server, SslContextFactory sslContextFactory, int port) {
+	private ServerConnector createConnector(Server server,
+			SslContextFactory sslContextFactory, int port) {
 		HttpConfiguration config = new HttpConfiguration();
 		config.setSendServerVersion(false);
 		config.setSecureScheme("https");
 		config.setSecurePort(port);
 		config.addCustomizer(new SecureRequestCustomizer());
-		ServerConnector connector;
-		if (this.http2 != null && this.http2.getEnabled()) {
-			final boolean isAlpnPresent = ClassUtils
-					.isPresent("org.eclipse.jetty.http2.server.HTTP2ServerConnectionFactory",
-							getClass().getClassLoader());
-			Assert.state(isAlpnPresent,
-					() -> "The 'org.eclipse.jetty:jetty-alpn-server' " +
-							"dependency is required for HTTP/2 support.");
-			final boolean isConscryptPresent = ClassUtils
-					.isPresent("org.conscrypt.Conscrypt", getClass().getClassLoader());
-			Assert.state(isConscryptPresent,
-					() -> "The 'org.eclipse.jetty.http2:http2-server' and Conscrypt " +
-							"dependencies are required for HTTP/2 support.");
-			connector = createHttp2Connector(server, config, sslContextFactory);
-		}
-		else {
-			connector = createSslConnector(server, config, sslContextFactory);
-		}
+		ServerConnector connector = createServerConnector(server, sslContextFactory,
+				config);
 		connector.setPort(port);
 		return connector;
 	}
 
-	private ServerConnector createSslConnector(Server server, HttpConfiguration config,
-			SslContextFactory sslContextFactory) {
+	private ServerConnector createServerConnector(Server server,
+			SslContextFactory sslContextFactory, HttpConfiguration config) {
+		if (this.http2 == null || !this.http2.isEnabled()) {
+			return createHttp11ServerConnector(server, config, sslContextFactory);
+		}
+		Assert.state(isAlpnPresent(), () -> "The 'org.eclipse.jetty:jetty-alpn-server' "
+				+ "dependency is required for HTTP/2 support.");
+		Assert.state(isConscryptPresent(),
+				() -> "The 'org.eclipse.jetty.http2:http2-server' and Conscrypt "
+						+ "dependencies are required for HTTP/2 support.");
+		return createHttp2ServerConnector(server, config, sslContextFactory);
+	}
+
+	private ServerConnector createHttp11ServerConnector(Server server,
+			HttpConfiguration config, SslContextFactory sslContextFactory) {
 		HttpConnectionFactory connectionFactory = new HttpConnectionFactory(config);
 		SslConnectionFactory sslConnectionFactory = new SslConnectionFactory(
 				sslContextFactory, HttpVersion.HTTP_1_1.asString());
-		ServerConnector serverConnector = new ServerConnector(server,
-				sslConnectionFactory, connectionFactory);
-		return serverConnector;
+		return new ServerConnector(server, sslConnectionFactory, connectionFactory);
+	}
+
+	private boolean isAlpnPresent() {
+		return ClassUtils.isPresent(
+				"org.eclipse.jetty.http2.server.HTTP2ServerConnectionFactory", null);
+	}
+
+	private boolean isConscryptPresent() {
+		return ClassUtils.isPresent("org.conscrypt.Conscrypt", null);
 	}
 
-	private ServerConnector createHttp2Connector(Server server, HttpConfiguration config,
-			SslContextFactory sslContextFactory) {
+	private ServerConnector createHttp2ServerConnector(Server server,
+			HttpConfiguration config, SslContextFactory sslContextFactory) {
 		HTTP2ServerConnectionFactory h2 = new HTTP2ServerConnectionFactory(config);
 		ALPNServerConnectionFactory alpn = new ALPNServerConnectionFactory();
 		alpn.setDefaultProtocol("h2");
 		sslContextFactory.setCipherComparator(HTTP2Cipher.COMPARATOR);
 		sslContextFactory.setProvider("Conscrypt");
-		SslConnectionFactory ssl = new SslConnectionFactory(
-				sslContextFactory, alpn.getProtocol());
-		ServerConnector http2Connector = new ServerConnector(
-				server, ssl, alpn, h2, new HttpConnectionFactory(config));
-		return http2Connector;
+		SslConnectionFactory ssl = new SslConnectionFactory(sslContextFactory,
+				alpn.getProtocol());
+		return new ServerConnector(server, ssl, alpn, h2,
+				new HttpConnectionFactory(config));
 	}
 
 	/**

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/embedded/tomcat/TomcatReactiveWebServerFactory.java

@@ -156,7 +156,7 @@ public class TomcatReactiveWebServerFactory extends AbstractReactiveWebServerFac
 
 	private void customizeSsl(Connector connector) {
 		new SslConnectorCustomizer(getSsl(), getSslStoreProvider()).customize(connector);
-		if (getHttp2() != null && getHttp2().getEnabled()) {
+		if (getHttp2() != null && getHttp2().isEnabled()) {
 			connector.addUpgradeProtocol(new Http2Protocol());
 		}
 	}

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/embedded/tomcat/TomcatServletWebServerFactory.java

@@ -323,7 +323,7 @@ public class TomcatServletWebServerFactory extends AbstractServletWebServerFacto
 
 	private void customizeSsl(Connector connector) {
 		new SslConnectorCustomizer(getSsl(), getSslStoreProvider()).customize(connector);
-		if (getHttp2() != null && getHttp2().getEnabled()) {
+		if (getHttp2() != null && getHttp2().isEnabled()) {
 			connector.addUpgradeProtocol(new Http2Protocol());
 		}
 	}

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/embedded/undertow/UndertowReactiveWebServerFactory.java

@@ -103,7 +103,7 @@ public class UndertowReactiveWebServerFactory extends AbstractReactiveWebServerF
 				.customize(builder);
 		if (getHttp2() != null) {
 			builder.setServerOption(UndertowOptions.ENABLE_HTTP2,
-					getHttp2().getEnabled());
+					getHttp2().isEnabled());
 		}
 	}
 

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/embedded/undertow/UndertowServletWebServerFactory.java

@@ -248,7 +248,7 @@ public class UndertowServletWebServerFactory extends AbstractServletWebServerFac
 				.customize(builder);
 		if (getHttp2() != null) {
 			builder.setServerOption(UndertowOptions.ENABLE_HTTP2,
-					getHttp2().getEnabled());
+					getHttp2().isEnabled());
 		}
 	}
 

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/server/Http2.java

@@ -29,7 +29,7 @@ public class Http2 {
 	 */
 	private boolean enabled = false;
 
-	public boolean getEnabled() {
+	public boolean isEnabled() {
 		return this.enabled;
 	}