Polish

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/metrics/export/atlas/AtlasMetricsExportAutoConfigurationTests.java

@@ -107,7 +107,7 @@ public class AtlasMetricsExportAutoConfigurationTests {
 
 		@Bean
 		public AtlasConfig customConfig() {
-			return (k) -> null;
+			return (key) -> null;
 		}
 
 	}

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/metrics/export/atlas/AtlasPropertiesTests.java

@@ -31,7 +31,7 @@ public class AtlasPropertiesTests {
 	@Test
 	public void defaultValuesAreConsistent() {
 		AtlasProperties properties = new AtlasProperties();
-		AtlasConfig config = (k) -> null;
+		AtlasConfig config = (key) -> null;
 		assertThat(properties.getStep()).isEqualTo(config.step());
 		assertThat(properties.isEnabled()).isEqualTo(config.enabled());
 		assertThat(properties.getConnectTimeout()).isEqualTo(config.connectTimeout());

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/metrics/export/datadog/DatadogMetricsExportAutoConfigurationTests.java

@@ -116,8 +116,8 @@ public class DatadogMetricsExportAutoConfigurationTests {
 
 		@Bean
 		public DatadogConfig customConfig() {
-			return (k) -> {
-				if ("datadog.apiKey".equals(k)) {
+			return (key) -> {
+				if ("datadog.apiKey".equals(key)) {
 					return "12345";
 				}
 				return null;

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/metrics/export/dynatrace/DynatraceMetricsExportAutoConfigurationTests.java

@@ -125,14 +125,14 @@ public class DynatraceMetricsExportAutoConfigurationTests {
 
 		@Bean
 		public DynatraceConfig customConfig() {
-			return (k) -> {
-				if ("dynatrace.uri".equals(k)) {
+			return (key) -> {
+				if ("dynatrace.uri".equals(key)) {
 					return "https://dynatrace.example.com";
 				}
-				if ("dynatrace.apiToken".equals(k)) {
+				if ("dynatrace.apiToken".equals(key)) {
 					return "abcde";
 				}
-				if ("dynatrace.deviceId".equals(k)) {
+				if ("dynatrace.deviceId".equals(key)) {
 					return "test";
 				}
 				return null;

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/metrics/export/elastic/ElasticMetricsExportAutoConfigurationTests.java

@@ -108,7 +108,7 @@ public class ElasticMetricsExportAutoConfigurationTests {
 
 		@Bean
 		public ElasticConfig customConfig() {
-			return (k) -> null;
+			return (key) -> null;
 		}
 
 	}

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/metrics/export/ganglia/GangliaMetricsExportAutoConfigurationTests.java

@@ -107,7 +107,7 @@ public class GangliaMetricsExportAutoConfigurationTests {
 
 		@Bean
 		public GangliaConfig customConfig() {
-			return (k) -> null;
+			return (key) -> null;
 		}
 
 	}

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/metrics/export/graphite/GraphiteMetricsExportAutoConfigurationTests.java

@@ -124,8 +124,8 @@ public class GraphiteMetricsExportAutoConfigurationTests {
 
 		@Bean
 		public GraphiteConfig customConfig() {
-			return (k) -> {
-				if ("Graphite.apiKey".equals(k)) {
+			return (key) -> {
+				if ("Graphite.apiKey".equals(key)) {
 					return "12345";
 				}
 				return null;

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/metrics/export/humio/HumioMetricsExportAutoConfigurationTests.java

@@ -109,7 +109,7 @@ public class HumioMetricsExportAutoConfigurationTests {
 
 		@Bean
 		public HumioConfig customConfig() {
-			return (k) -> null;
+			return (key) -> null;
 		}
 
 	}

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/metrics/export/influx/InfluxMetricsExportAutoConfigurationTests.java

@@ -107,7 +107,7 @@ public class InfluxMetricsExportAutoConfigurationTests {
 
 		@Bean
 		public InfluxConfig customConfig() {
-			return (k) -> null;
+			return (key) -> null;
 		}
 
 	}

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/metrics/export/newrelic/NewRelicMetricsExportAutoConfigurationTests.java

@@ -129,11 +129,11 @@ public class NewRelicMetricsExportAutoConfigurationTests {
 
 		@Bean
 		public NewRelicConfig customConfig() {
-			return (k) -> {
-				if ("newrelic.accountId".equals(k)) {
+			return (key) -> {
+				if ("newrelic.accountId".equals(key)) {
 					return "abcde";
 				}
-				if ("newrelic.apiKey".equals(k)) {
+				if ("newrelic.apiKey".equals(key)) {
 					return "12345";
 				}
 				return null;

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/metrics/export/prometheus/PrometheusMetricsExportAutoConfigurationTests.java

@@ -157,7 +157,7 @@ public class PrometheusMetricsExportAutoConfigurationTests {
 
 		@Bean
 		public PrometheusConfig customConfig() {
-			return (k) -> null;
+			return (key) -> null;
 		}
 
 	}

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/metrics/export/signalfx/SignalFxMetricsExportAutoConfigurationTests.java

@@ -124,8 +124,8 @@ public class SignalFxMetricsExportAutoConfigurationTests {
 
 		@Bean
 		public SignalFxConfig customConfig() {
-			return (k) -> {
-				if ("signalfx.accessToken".equals(k)) {
+			return (key) -> {
+				if ("signalfx.accessToken".equals(key)) {
 					return "abcde";
 				}
 				return null;

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/metrics/export/simple/SimpleMetricsExportAutoConfigurationTests.java

@@ -90,7 +90,7 @@ public class SimpleMetricsExportAutoConfigurationTests {
 
 		@Bean
 		public SimpleConfig customConfig() {
-			return (k) -> null;
+			return (key) -> null;
 		}
 
 	}

spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/elasticsearch/ElasticsearchRestHealthIndicator.java

@@ -81,7 +81,6 @@ public class ElasticsearchRestHealthIndicator extends AbstractHealthIndicator {
 		else {
 			builder.up();
 		}
-
 		builder.withDetails(response);
 	}
 

spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/elasticsearch/ElasticsearchRestHealthIndicatorTest.java

@@ -33,8 +33,8 @@ import org.springframework.boot.actuate.health.Status;
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.entry;
 import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.BDDMockito.mock;
-import static org.mockito.BDDMockito.when;
+import static org.mockito.BDDMockito.given;
+import static org.mockito.Mockito.mock;
 
 /**
  * Tests for {@link ElasticsearchRestHealthIndicator}.
@@ -54,15 +54,12 @@ public class ElasticsearchRestHealthIndicatorTest {
 		BasicHttpEntity httpEntity = new BasicHttpEntity();
 		httpEntity.setContent(
 				new ByteArrayInputStream(createJsonResult(200, "green").getBytes()));
-
 		Response response = mock(Response.class);
 		StatusLine statusLine = mock(StatusLine.class);
-
-		when(statusLine.getStatusCode()).thenReturn(200);
-		when(response.getStatusLine()).thenReturn(statusLine);
-		when(response.getEntity()).thenReturn(httpEntity);
-		when(this.restClient.performRequest(any(Request.class))).thenReturn(response);
-
+		given(statusLine.getStatusCode()).willReturn(200);
+		given(response.getStatusLine()).willReturn(statusLine);
+		given(response.getEntity()).willReturn(httpEntity);
+		given(this.restClient.performRequest(any(Request.class))).willReturn(response);
 		Health health = this.elasticsearchRestHealthIndicator.health();
 		assertThat(health.getStatus()).isEqualTo(Status.UP);
 		assertHealthDetailsWithStatus(health.getDetails(), "green");
@@ -73,15 +70,12 @@ public class ElasticsearchRestHealthIndicatorTest {
 		BasicHttpEntity httpEntity = new BasicHttpEntity();
 		httpEntity.setContent(
 				new ByteArrayInputStream(createJsonResult(200, "yellow").getBytes()));
-
 		Response response = mock(Response.class);
 		StatusLine statusLine = mock(StatusLine.class);
-
-		when(statusLine.getStatusCode()).thenReturn(200);
-		when(response.getStatusLine()).thenReturn(statusLine);
-		when(response.getEntity()).thenReturn(httpEntity);
-		when(this.restClient.performRequest(any(Request.class))).thenReturn(response);
-
+		given(statusLine.getStatusCode()).willReturn(200);
+		given(response.getStatusLine()).willReturn(statusLine);
+		given(response.getEntity()).willReturn(httpEntity);
+		given(this.restClient.performRequest(any(Request.class))).willReturn(response);
 		Health health = this.elasticsearchRestHealthIndicator.health();
 		assertThat(health.getStatus()).isEqualTo(Status.UP);
 		assertHealthDetailsWithStatus(health.getDetails(), "yellow");
@@ -89,9 +83,8 @@ public class ElasticsearchRestHealthIndicatorTest {
 
 	@Test
 	public void elasticsearchIsDown() throws IOException {
-		when(this.restClient.performRequest(any(Request.class)))
-				.thenThrow(new IOException("Couldn't connect"));
-
+		given(this.restClient.performRequest(any(Request.class)))
+				.willThrow(new IOException("Couldn't connect"));
 		Health health = this.elasticsearchRestHealthIndicator.health();
 		assertThat(health.getStatus()).isEqualTo(Status.DOWN);
 		assertThat(health.getDetails())
@@ -102,12 +95,10 @@ public class ElasticsearchRestHealthIndicatorTest {
 	public void elasticsearchIsDownByResponseCode() throws IOException {
 		Response response = mock(Response.class);
 		StatusLine statusLine = mock(StatusLine.class);
-
-		when(statusLine.getStatusCode()).thenReturn(500);
-		when(statusLine.getReasonPhrase()).thenReturn("Internal server error");
-		when(response.getStatusLine()).thenReturn(statusLine);
-		when(this.restClient.performRequest(any(Request.class))).thenReturn(response);
-
+		given(statusLine.getStatusCode()).willReturn(500);
+		given(statusLine.getReasonPhrase()).willReturn("Internal server error");
+		given(response.getStatusLine()).willReturn(statusLine);
+		given(this.restClient.performRequest(any(Request.class))).willReturn(response);
 		Health health = this.elasticsearchRestHealthIndicator.health();
 		assertThat(health.getStatus()).isEqualTo(Status.DOWN);
 		assertThat(health.getDetails()).contains(entry("statusCode", 500),
@@ -119,15 +110,12 @@ public class ElasticsearchRestHealthIndicatorTest {
 		BasicHttpEntity httpEntity = new BasicHttpEntity();
 		httpEntity.setContent(
 				new ByteArrayInputStream(createJsonResult(200, "red").getBytes()));
-
 		Response response = mock(Response.class);
 		StatusLine statusLine = mock(StatusLine.class);
-
-		when(statusLine.getStatusCode()).thenReturn(200);
-		when(response.getStatusLine()).thenReturn(statusLine);
-		when(response.getEntity()).thenReturn(httpEntity);
-		when(this.restClient.performRequest(any(Request.class))).thenReturn(response);
-
+		given(statusLine.getStatusCode()).willReturn(200);
+		given(response.getStatusLine()).willReturn(statusLine);
+		given(response.getEntity()).willReturn(httpEntity);
+		given(this.restClient.performRequest(any(Request.class))).willReturn(response);
 		Health health = this.elasticsearchRestHealthIndicator.health();
 		assertThat(health.getStatus()).isEqualTo(Status.OUT_OF_SERVICE);
 		assertHealthDetailsWithStatus(health.getDetails(), "red");
@@ -148,9 +136,8 @@ public class ElasticsearchRestHealthIndicatorTest {
 	}
 
 	private String createJsonResult(int responseCode, String status) {
-		String json;
 		if (responseCode == 200) {
-			json = String.format("{\"cluster_name\":\"elasticsearch\","
+			return String.format("{\"cluster_name\":\"elasticsearch\","
 					+ "\"status\":\"%s\",\"timed_out\":false,\"number_of_nodes\":1,"
 					+ "\"number_of_data_nodes\":1,\"active_primary_shards\":0,"
 					+ "\"active_shards\":0,\"relocating_shards\":0,\"initializing_shards\":0,"
@@ -159,12 +146,8 @@ public class ElasticsearchRestHealthIndicatorTest {
 					+ "\"task_max_waiting_in_queue_millis\":0,\"active_shards_percent_as_number\":100.0}",
 					status);
 		}
-		else {
-			json = "{\n" + "  \"error\": \"Server Error\",\n" + "  \"status\": "
-					+ responseCode + "\n" + "}";
-		}
-
-		return json;
+		return "{\n" + "  \"error\": \"Server Error\",\n" + "  \"status\": "
+				+ responseCode + "\n" + "}";
 	}
 
 }

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

@@ -66,9 +66,8 @@ public class NettyWebServerFactoryCustomizer
 				.to((maxHttpRequestHeaderSize) -> customizeMaxHttpHeaderSize(factory,
 						maxHttpRequestHeaderSize));
 		propertyMapper.from(this.serverProperties::getConnectionTimeout).whenNonNull()
-				.asInt(Duration::toMillis)
-				.to((duration) -> customizeConnectionTimeOut(factory, duration));
-
+				.asInt(Duration::toMillis).to((duration) -> factory
+						.addServerCustomizers(getConnectionTimeOutCustomizer(duration)));
 	}
 
 	private boolean getOrDeduceUseForwardHeaders(ServerProperties serverProperties,
@@ -87,11 +86,9 @@ public class NettyWebServerFactoryCustomizer
 						.maxHeaderSize(maxHttpHeaderSize)));
 	}
 
-	private void customizeConnectionTimeOut(NettyReactiveWebServerFactory factory,
-			int duration) {
-		factory.addServerCustomizers((NettyServerCustomizer) (httpServer) -> httpServer
-				.tcpConfiguration((tcpServer) -> tcpServer
-						.selectorOption(ChannelOption.CONNECT_TIMEOUT_MILLIS, duration)));
+	private NettyServerCustomizer getConnectionTimeOutCustomizer(int duration) {
+		return (httpServer) -> httpServer.tcpConfiguration((tcpServer) -> tcpServer
+				.selectorOption(ChannelOption.CONNECT_TIMEOUT_MILLIS, duration));
 	}
 
 }

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/properties/bind/validation/ValidationBindHandler.java

@@ -70,9 +70,6 @@ public class ValidationBindHandler extends AbstractBindHandler {
 	public void onFinish(ConfigurationPropertyName name, Bindable<?> target,
 			BindContext context, Object result) throws Exception {
 		validate(name, target, context, result);
-		if (context.getDepth() == 0 && !this.exceptions.isEmpty()) {
-			throw this.exceptions.pop();
-		}
 		super.onFinish(name, target, context, result);
 	}
 
@@ -81,9 +78,6 @@ public class ValidationBindHandler extends AbstractBindHandler {
 			BindContext context, Exception error) throws Exception {
 		Object result = super.onFailure(name, target, context, error);
 		validate(name, target, context, null);
-		if (!this.exceptions.isEmpty()) {
-			throw this.exceptions.pop();
-		}
 		return result;
 	}
 
@@ -91,7 +85,12 @@ public class ValidationBindHandler extends AbstractBindHandler {
 			BindContext context, Object result) {
 		Object validationTarget = getValidationTarget(target, context, result);
 		Class<?> validationType = target.getBoxedType().resolve();
-		validate(name, validationTarget, validationType);
+		if (validationTarget != null) {
+			validateAndPush(name, validationTarget, validationType);
+		}
+		if (context.getDepth() == 0 && !this.exceptions.isEmpty()) {
+			throw this.exceptions.pop();
+		}
 	}
 
 	private Object getValidationTarget(Bindable<?> target, BindContext context,
@@ -105,14 +104,13 @@ public class ValidationBindHandler extends AbstractBindHandler {
 		return null;
 	}
 
-	private void validate(ConfigurationPropertyName name, Object target, Class<?> type) {
-		if (target != null) {
-			BindingResult errors = new BeanPropertyBindingResult(target, name.toString());
-			Arrays.stream(this.validators).filter((validator) -> validator.supports(type))
-					.forEach((validator) -> validator.validate(target, errors));
-			if (errors.hasErrors()) {
-				this.exceptions.push(getBindValidationException(name, errors));
-			}
+	private void validateAndPush(ConfigurationPropertyName name, Object target,
+			Class<?> type) {
+		BindingResult errors = new BeanPropertyBindingResult(target, name.toString());
+		Arrays.stream(this.validators).filter((validator) -> validator.supports(type))
+				.forEach((validator) -> validator.validate(target, errors));
+		if (errors.hasErrors()) {
+			this.exceptions.push(getBindValidationException(name, errors));
 		}
 	}
 

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

@@ -54,30 +54,37 @@ class CompressionConnectorCustomizer implements TomcatConnectorCustomizer {
 		}
 	}
 
-	private void customize(Http2Protocol upgradeProtocol) {
+	private void customize(Http2Protocol protocol) {
 		Compression compression = this.compression;
-		upgradeProtocol.setCompression("on");
-		upgradeProtocol
-				.setCompressionMinSize((int) compression.getMinResponseSize().toBytes());
-		upgradeProtocol.setCompressibleMimeType(
-				StringUtils.arrayToCommaDelimitedString(compression.getMimeTypes()));
+		protocol.setCompression("on");
+		protocol.setCompressionMinSize(getMinResponseSize(compression));
+		protocol.setCompressibleMimeType(getMimeTypes(compression));
 		if (this.compression.getExcludedUserAgents() != null) {
-			upgradeProtocol
-					.setNoCompressionUserAgents(StringUtils.arrayToCommaDelimitedString(
-							this.compression.getExcludedUserAgents()));
+			protocol.setNoCompressionUserAgents(getExcludedUserAgents());
 		}
 	}
 
 	private void customize(AbstractHttp11Protocol<?> protocol) {
 		Compression compression = this.compression;
 		protocol.setCompression("on");
-		protocol.setCompressionMinSize((int) compression.getMinResponseSize().toBytes());
-		protocol.setCompressibleMimeType(
-				StringUtils.arrayToCommaDelimitedString(compression.getMimeTypes()));
+		protocol.setCompressionMinSize(getMinResponseSize(compression));
+		protocol.setCompressibleMimeType(getMimeTypes(compression));
 		if (this.compression.getExcludedUserAgents() != null) {
-			protocol.setNoCompressionUserAgents(StringUtils.arrayToCommaDelimitedString(
-					this.compression.getExcludedUserAgents()));
+			protocol.setNoCompressionUserAgents(getExcludedUserAgents());
 		}
 	}
 
+	private int getMinResponseSize(Compression compression) {
+		return (int) compression.getMinResponseSize().toBytes();
+	}
+
+	private String getMimeTypes(Compression compression) {
+		return StringUtils.arrayToCommaDelimitedString(compression.getMimeTypes());
+	}
+
+	private String getExcludedUserAgents() {
+		return StringUtils
+				.arrayToCommaDelimitedString(this.compression.getExcludedUserAgents());
+	}
+
 }

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/web/client/RestTemplateBuilderTests.java

@@ -403,9 +403,9 @@ public class RestTemplateBuilderTests {
 		RestTemplateCustomizer customizer2 = mock(RestTemplateCustomizer.class);
 		RestTemplate template = this.builder.customizers(customizer1)
 				.additionalCustomizers(customizer2).build();
-		InOrder inOrder = inOrder(customizer1, customizer2);
-		inOrder.verify(customizer1).customize(template);
-		inOrder.verify(customizer2).customize(template);
+		InOrder ordered = inOrder(customizer1, customizer2);
+		ordered.verify(customizer1).customize(template);
+		ordered.verify(customizer2).customize(template);
 	}
 
 	@Test

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/web/embedded/jetty/JettyServletWebServerFactoryTests.java

@@ -306,12 +306,12 @@ public class JettyServletWebServerFactoryTests
 			contexts.iterator().next().addEventListener(new ServletContextListener() {
 
 				@Override
-				public void contextInitialized(ServletContextEvent sce) {
+				public void contextInitialized(ServletContextEvent event) {
 					throw new RuntimeException();
 				}
 
 				@Override
-				public void contextDestroyed(ServletContextEvent sce) {
+				public void contextDestroyed(ServletContextEvent event) {
 				}
 
 			});