Merge pull request #21007 from izeye

* pr/21007:
  Update copyright year of changed files
  Remove this keyword on member method invocations

Closes gh-21007

buildSrc/src/main/java/org/springframework/boot/build/bom/BomExtension.java

@@ -107,12 +107,12 @@ public class BomExtension {
 		this.properties.put(library.getVersionProperty(), library.getVersion());
 		for (Group group : library.getGroups()) {
 			for (Module module : group.getModules()) {
-				this.putArtifactVersionProperty(group.getId(), module.getName(), library.getVersionProperty());
+				putArtifactVersionProperty(group.getId(), module.getName(), library.getVersionProperty());
 				this.dependencyHandler.getConstraints().add(JavaPlatformPlugin.API_CONFIGURATION_NAME,
 						createDependencyNotation(group.getId(), module.getName(), library.getVersion()));
 			}
 			for (String bomImport : group.getBoms()) {
-				this.putArtifactVersionProperty(group.getId(), bomImport, library.getVersionProperty());
+				putArtifactVersionProperty(group.getId(), bomImport, library.getVersionProperty());
 				String bomDependency = createDependencyNotation(group.getId(), bomImport, library.getVersion());
 				this.dependencyHandler.add(JavaPlatformPlugin.API_CONFIGURATION_NAME,
 						this.dependencyHandler.platform(bomDependency));

buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/version/UnstructuredDependencyVersion.java

@@ -35,17 +35,17 @@ final class UnstructuredDependencyVersion extends AbstractDependencyVersion impl
 
 	@Override
 	public boolean isNewerThan(DependencyVersion other) {
-		return this.compareTo(other) > 0;
+		return compareTo(other) > 0;
 	}
 
 	@Override
 	public boolean isSameMajorAndNewerThan(DependencyVersion other) {
-		return this.compareTo(other) > 0;
+		return compareTo(other) > 0;
 	}
 
 	@Override
 	public boolean isSameMinorAndNewerThan(DependencyVersion other) {
-		return this.compareTo(other) > 0;
+		return compareTo(other) > 0;
 	}
 
 	@Override

buildSrc/src/main/java/org/springframework/boot/build/test/IntegrationTestPlugin.java

@@ -46,7 +46,7 @@ public class IntegrationTestPlugin implements Plugin<Project> {
 
 	@Override
 	public void apply(Project project) {
-		project.getPlugins().withType(JavaPlugin.class, (javaPlugin) -> this.configureIntegrationTesting(project));
+		project.getPlugins().withType(JavaPlugin.class, (javaPlugin) -> configureIntegrationTesting(project));
 	}
 
 	private void configureIntegrationTesting(Project project) {

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/cloudfoundry/CloudFoundryWebEndpointDiscovererTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -79,7 +79,7 @@ class CloudFoundryWebEndpointDiscovererTests {
 	}
 
 	private void load(Class<?> configuration, Consumer<CloudFoundryWebEndpointDiscoverer> consumer) {
-		this.load((id) -> null, EndpointId::toString, configuration, consumer);
+		load((id) -> null, EndpointId::toString, configuration, consumer);
 	}
 
 	private void load(Function<EndpointId, Long> timeToLive, PathMapper endpointPathMapper, Class<?> configuration,

spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/web/mappings/servlet/FilterRegistrationMappingDescription.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -42,7 +42,7 @@ public class FilterRegistrationMappingDescription extends RegistrationMappingDes
 	 * @return the mappings
 	 */
 	public Collection<String> getServletNameMappings() {
-		return this.getRegistration().getServletNameMappings();
+		return getRegistration().getServletNameMappings();
 	}
 
 	/**
@@ -50,7 +50,7 @@ public class FilterRegistrationMappingDescription extends RegistrationMappingDes
 	 * @return the mappings
 	 */
 	public Collection<String> getUrlPatternMappings() {
-		return this.getRegistration().getUrlPatternMappings();
+		return getRegistration().getUrlPatternMappings();
 	}
 
 }

spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/endpoint/web/annotation/WebEndpointDiscovererTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -217,7 +217,7 @@ class WebEndpointDiscovererTests {
 	}
 
 	private void load(Class<?> configuration, Consumer<WebEndpointDiscoverer> consumer) {
-		this.load((id) -> null, EndpointId::toString, configuration, consumer);
+		load((id) -> null, EndpointId::toString, configuration, consumer);
 	}
 
 	private void load(Function<EndpointId, Long> timeToLive, PathMapper endpointPathMapper, Class<?> configuration,

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/data/neo4j/Neo4jProperties.java

@@ -145,7 +145,7 @@ public class Neo4jProperties implements ApplicationContextAware {
 		if (this.username != null && this.password != null) {
 			builder.credentials(this.username, this.password);
 		}
-		builder.autoIndex(this.getAutoIndex().getName());
+		builder.autoIndex(getAutoIndex().getName());
 		if (this.useNativeTypes) {
 			builder.useNativeTypes();
 		}

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -113,7 +113,7 @@ public class ConditionEvaluationReportLoggingListener
 			this.report = ConditionEvaluationReport.get(this.applicationContext.getBeanFactory());
 		}
 		if (!this.report.getConditionAndOutcomesBySource().isEmpty()) {
-			if (this.getLogLevelForReport().equals(LogLevel.INFO)) {
+			if (getLogLevelForReport().equals(LogLevel.INFO)) {
 				if (this.logger.isInfoEnabled()) {
 					this.logger.info(new ConditionEvaluationReportMessage(this.report));
 				}

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/security/oauth2/client/OAuth2ClientProperties.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -57,7 +57,7 @@ public class OAuth2ClientProperties {
 
 	@PostConstruct
 	public void validate() {
-		this.getRegistration().values().forEach(this::validateRegistration);
+		getRegistration().values().forEach(this::validateRegistration);
 	}
 
 	private void validateRegistration(Registration registration) {

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

@@ -394,23 +394,23 @@ public class ServerProperties {
 		@Deprecated
 		@DeprecatedConfigurationProperty(replacement = "server.tomcat.threads.max")
 		public int getMaxThreads() {
-			return this.getThreads().getMax();
+			return getThreads().getMax();
 		}
 
 		@Deprecated
 		public void setMaxThreads(int maxThreads) {
-			this.getThreads().setMax(maxThreads);
+			getThreads().setMax(maxThreads);
 		}
 
 		@Deprecated
 		@DeprecatedConfigurationProperty(replacement = "server.tomcat.threads.min-spare")
 		public int getMinSpareThreads() {
-			return this.getThreads().getMinSpare();
+			return getThreads().getMinSpare();
 		}
 
 		@Deprecated
 		public void setMinSpareThreads(int minSpareThreads) {
-			this.getThreads().setMinSpare(minSpareThreads);
+			getThreads().setMinSpare(minSpareThreads);
 		}
 
 		public DataSize getMaxHttpFormPostSize() {
@@ -1066,67 +1066,67 @@ public class ServerProperties {
 		@Deprecated
 		@DeprecatedConfigurationProperty(replacement = "server.jetty.threads.acceptors")
 		public Integer getAcceptors() {
-			return this.getThreads().getAcceptors();
+			return getThreads().getAcceptors();
 		}
 
 		@Deprecated
 		public void setAcceptors(Integer acceptors) {
-			this.getThreads().setAcceptors(acceptors);
+			getThreads().setAcceptors(acceptors);
 		}
 
 		@Deprecated
 		@DeprecatedConfigurationProperty(replacement = "server.jetty.threads.selectors")
 		public Integer getSelectors() {
-			return this.getThreads().getSelectors();
+			return getThreads().getSelectors();
 		}
 
 		@Deprecated
 		public void setSelectors(Integer selectors) {
-			this.getThreads().setSelectors(selectors);
+			getThreads().setSelectors(selectors);
 		}
 
 		@Deprecated
 		@DeprecatedConfigurationProperty(replacement = "server.jetty.threads.min")
 		public Integer getMinThreads() {
-			return this.getThreads().getMin();
+			return getThreads().getMin();
 		}
 
 		@Deprecated
 		public void setMinThreads(Integer minThreads) {
-			this.getThreads().setMin(minThreads);
+			getThreads().setMin(minThreads);
 		}
 
 		@Deprecated
 		@DeprecatedConfigurationProperty(replacement = "server.jetty.threads.max")
 		public Integer getMaxThreads() {
-			return this.getThreads().getMax();
+			return getThreads().getMax();
 		}
 
 		@Deprecated
 		public void setMaxThreads(Integer maxThreads) {
-			this.getThreads().setMax(maxThreads);
+			getThreads().setMax(maxThreads);
 		}
 
 		@Deprecated
 		@DeprecatedConfigurationProperty(replacement = "server.jetty.threads.max-queue-capacity")
 		public Integer getMaxQueueCapacity() {
-			return this.getThreads().getMaxQueueCapacity();
+			return getThreads().getMaxQueueCapacity();
 		}
 
 		@Deprecated
 		public void setMaxQueueCapacity(Integer maxQueueCapacity) {
-			this.getThreads().setMaxQueueCapacity(maxQueueCapacity);
+			getThreads().setMaxQueueCapacity(maxQueueCapacity);
 		}
 
 		@Deprecated
 		@DeprecatedConfigurationProperty(replacement = "server.jetty.threads.idle-timeout")
 		public Duration getThreadIdleTimeout() {
-			return this.getThreads().getIdleTimeout();
+			return getThreads().getIdleTimeout();
 		}
 
 		@Deprecated
 		public void setThreadIdleTimeout(Duration threadIdleTimeout) {
-			this.getThreads().setIdleTimeout(threadIdleTimeout);
+			getThreads().setIdleTimeout(threadIdleTimeout);
 		}
 
 		public Duration getConnectionIdleTimeout() {
@@ -1482,23 +1482,23 @@ public class ServerProperties {
 		@Deprecated
 		@DeprecatedConfigurationProperty(replacement = "server.undertow.threads.io")
 		public Integer getIoThreads() {
-			return this.getThreads().getIo();
+			return getThreads().getIo();
 		}
 
 		@Deprecated
 		public void setIoThreads(Integer ioThreads) {
-			this.getThreads().setIo(ioThreads);
+			getThreads().setIo(ioThreads);
 		}
 
 		@Deprecated
 		@DeprecatedConfigurationProperty(replacement = "server.undertow.threads.worker")
 		public Integer getWorkerThreads() {
-			return this.getThreads().getWorker();
+			return getThreads().getWorker();
 		}
 
 		@Deprecated
 		public void setWorkerThreads(Integer workerThreads) {
-			this.getThreads().setWorker(workerThreads);
+			getThreads().setWorker(workerThreads);
 		}
 
 		public Boolean getDirectBuffers() {

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

@@ -78,7 +78,7 @@ public abstract class AbstractErrorController implements ErrorController {
 	 */
 	@Deprecated
 	protected Map<String, Object> getErrorAttributes(HttpServletRequest request, boolean includeStackTrace) {
-		return this.getErrorAttributes(request, includeStackTrace, false);
+		return getErrorAttributes(request, includeStackTrace, false);
 	}
 
 	protected Map<String, Object> getErrorAttributes(HttpServletRequest request, boolean includeStackTrace,

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/sendgrid/SendGridAutoConfigurationTests.java

@@ -79,7 +79,7 @@ class SendGridAutoConfigurationTests {
 	}
 
 	private void loadContext(String... environment) {
-		this.loadContext(null, environment);
+		loadContext(null, environment);
 	}
 
 	private void loadContext(Class<?> additionalConfiguration, String... environment) {

spring-boot-project/spring-boot-cli/src/main/java/org/springframework/boot/cli/command/run/RunCommand.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -55,8 +55,8 @@ public class RunCommand extends OptionParsingCommand {
 	}
 
 	public void stop() {
-		if (this.getHandler() != null) {
-			((RunOptionHandler) this.getHandler()).stop();
+		if (getHandler() != null) {
+			((RunOptionHandler) getHandler()).stop();
 		}
 	}
 

spring-boot-project/spring-boot-cli/src/main/java/org/springframework/boot/cli/compiler/grape/AetherGrapeEngine.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -266,7 +266,7 @@ public class AetherGrapeEngine implements GrapeEngine {
 
 	@Override
 	public URI[] resolve(Map args, Map... dependencyMaps) {
-		return this.resolve(args, null, dependencyMaps);
+		return resolve(args, null, dependencyMaps);
 	}
 
 	@Override

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

@@ -139,7 +139,7 @@ class AetherGrapeEngineTests {
 	@Test
 	void resolutionWithCustomResolver() {
 		Map<String, Object> args = new HashMap<>();
-		AetherGrapeEngine grapeEngine = this.createGrapeEngine();
+		AetherGrapeEngine grapeEngine = createGrapeEngine();
 		grapeEngine.addResolver(createResolver("spring-releases", "https://repo.spring.io/release"));
 		Map<String, Object> dependency = createDependency("io.spring.docresources", "spring-doc-resources",
 				"0.1.1.RELEASE");

spring-boot-project/spring-boot-devtools/src/test/java/org/springframework/boot/devtools/autoconfigure/AbstractDevToolsDataSourceAutoConfigurationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -101,11 +101,11 @@ abstract class AbstractDevToolsDataSourceAutoConfigurationTests {
 	}
 
 	protected final ConfigurableApplicationContext createContext(Class<?>... classes) {
-		return this.createContext(null, classes);
+		return createContext(null, classes);
 	}
 
 	protected final ConfigurableApplicationContext createContext(String driverClassName, Class<?>... classes) {
-		return this.createContext(driverClassName, null, classes);
+		return createContext(driverClassName, null, classes);
 	}
 
 	protected final ConfigurableApplicationContext createContext(String driverClassName, String url,

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -81,7 +81,7 @@ public class BasicJsonTester {
 	 * resources
 	 */
 	protected final void initialize(Class<?> resourceLoadClass) {
-		this.initialize(resourceLoadClass, null);
+		initialize(resourceLoadClass, null);
 	}
 
 	/**

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -165,7 +165,7 @@ public class JacksonTester<T> extends AbstractJsonMarshalTester<T> {
 	 * @return the new instance
 	 */
 	public JacksonTester<T> forView(Class<?> view) {
-		return new JacksonTester<>(this.getResourceLoadClass(), this.getType(), this.objectMapper, view);
+		return new JacksonTester<>(getResourceLoadClass(), getType(), this.objectMapper, view);
 	}
 
 	/**

spring-boot-project/spring-boot-test/src/main/java/org/springframework/boot/test/mock/mockito/SpyDefinition.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -97,7 +97,7 @@ class SpyDefinition extends Definition {
 		}
 		settings.spiedInstance(instance);
 		settings.defaultAnswer(Mockito.CALLS_REAL_METHODS);
-		if (this.isProxyTargetAware()) {
+		if (isProxyTargetAware()) {
 			settings.verificationStartedListeners(new SpringAopBypassingVerificationStartedListener());
 		}
 		return (T) mock(instance.getClass(), settings);

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

@@ -80,7 +80,7 @@ class LifecycleVersion implements Comparable<LifecycleVersion> {
 	 * version
 	 */
 	boolean isEqualOrGreaterThan(LifecycleVersion other) {
-		return this.compareTo(other) >= 0;
+		return compareTo(other) >= 0;
 	}
 
 	@Override

spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/test/java/org/springframework/boot/buildpack/platform/docker/transport/ErrorsTests.java

@@ -34,7 +34,7 @@ class ErrorsTests extends AbstractJsonTests {
 
 	@Test
 	void readValueDeserializesJson() throws Exception {
-		Errors errors = this.getObjectMapper().readValue(getContent("errors.json"), Errors.class);
+		Errors errors = getObjectMapper().readValue(getContent("errors.json"), Errors.class);
 		Iterator<Error> iterator = errors.iterator();
 		Error error1 = iterator.next();
 		Error error2 = iterator.next();
@@ -47,7 +47,7 @@ class ErrorsTests extends AbstractJsonTests {
 
 	@Test
 	void toStringHasErrorDetails() throws Exception {
-		Errors errors = this.getObjectMapper().readValue(getContent("errors.json"), Errors.class);
+		Errors errors = getObjectMapper().readValue(getContent("errors.json"), Errors.class);
 		assertThat(errors.toString()).isEqualTo("[TEST1: Test One, TEST2: Test Two]");
 	}
 

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/dsl/SpringBootExtension.java

@@ -78,7 +78,7 @@ public class SpringBootExtension {
 	 * artifact will be the base name of the {@code bootWar} or {@code bootJar} task.
 	 */
 	public void buildInfo() {
-		this.buildInfo(null);
+		buildInfo(null);
 	}
 
 	/**

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/tasks/run/BootRun.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -78,7 +78,7 @@ public class BootRun extends JavaExec {
 		}
 		if (System.console() != null) {
 			// Record that the console is available here for AnsiOutput to detect later
-			this.getEnvironment().put("spring.output.ansi.console-available", true);
+			getEnvironment().put("spring.output.ansi.console-available", true);
 		}
 		super.exec();
 	}

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

@@ -76,7 +76,7 @@ public abstract class AbstractJarWriter implements LoaderClassesWriter {
 	 * @throws IOException if the entries cannot be written
 	 */
 	public void writeEntries(JarFile jarFile) throws IOException {
-		this.writeEntries(jarFile, EntryTransformer.NONE, UnpackHandler.NEVER);
+		writeEntries(jarFile, EntryTransformer.NONE, UnpackHandler.NEVER);
 	}
 
 	final void writeEntries(JarFile jarFile, EntryTransformer entryTransformer, UnpackHandler unpackHandler)

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

@@ -84,7 +84,7 @@ public class Repackager extends Packager {
 	 * @since 1.3.0
 	 */
 	public void repackage(File destination, Libraries libraries, LaunchScript launchScript) throws IOException {
-		this.repackage(destination, libraries, launchScript, null);
+		repackage(destination, libraries, launchScript, null);
 	}
 
 	/**

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

@@ -89,7 +89,7 @@ public abstract class ExecutableArchiveLauncher extends Launcher {
 		if (this.classPathIndex != null) {
 			urls.addAll(this.classPathIndex.getUrls());
 		}
-		return this.createClassLoader(urls.toArray(new URL[0]));
+		return createClassLoader(urls.toArray(new URL[0]));
 	}
 
 	private int guessClassPathSize() {

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/cloud/CloudPlatform.java

@@ -149,7 +149,7 @@ public enum CloudPlatform {
 	 */
 	public boolean isEnforced(Environment environment) {
 		String platform = environment.getProperty("spring.main.cloud-platform");
-		return (platform != null) ? this.name().equalsIgnoreCase(platform) : false;
+		return (platform != null) ? name().equalsIgnoreCase(platform) : false;
 	}
 
 	/**

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -213,7 +213,7 @@ public final class ConfigurationPropertyName implements Comparable<Configuration
 	 */
 	public boolean isParentOf(ConfigurationPropertyName name) {
 		Assert.notNull(name, "Name must not be null");
-		if (this.getNumberOfElements() != name.getNumberOfElements() - 1) {
+		if (getNumberOfElements() != name.getNumberOfElements() - 1) {
 			return false;
 		}
 		return isAncestorOf(name);
@@ -227,7 +227,7 @@ public final class ConfigurationPropertyName implements Comparable<Configuration
 	 */
 	public boolean isAncestorOf(ConfigurationPropertyName name) {
 		Assert.notNull(name, "Name must not be null");
-		if (this.getNumberOfElements() >= name.getNumberOfElements()) {
+		if (getNumberOfElements() >= name.getNumberOfElements()) {
 			return false;
 		}
 		return elementsEqual(name);

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/jdbc/DatabaseDriver.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -246,7 +246,7 @@ public enum DatabaseDriver {
 	}
 
 	protected Collection<String> getUrlPrefixes() {
-		return Collections.singleton(this.name().toLowerCase(Locale.ENGLISH));
+		return Collections.singleton(name().toLowerCase(Locale.ENGLISH));
 	}
 
 	/**

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

@@ -260,7 +260,7 @@ public class JettyServletWebServerFactory extends AbstractServletWebServerFactor
 			Resource rootResource = (docBase.isDirectory() ? Resource.newResource(docBase.getCanonicalFile())
 					: JarResource.newJarResource(Resource.newResource(docBase)));
 			resources.add((root != null) ? new LoaderHidingResource(rootResource) : rootResource);
-			for (URL resourceJarUrl : this.getUrlsOfJarsWithMetaInfResources()) {
+			for (URL resourceJarUrl : getUrlsOfJarsWithMetaInfResources()) {
 				Resource resource = createResource(resourceJarUrl);
 				if (resource.exists() && resource.isDirectory()) {
 					resources.add(resource);

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

@@ -178,8 +178,8 @@ public class TomcatReactiveWebServerFactory extends AbstractReactiveWebServerFac
 	protected void customizeConnector(Connector connector) {
 		int port = Math.max(getPort(), 0);
 		connector.setPort(port);
-		if (StringUtils.hasText(this.getServerHeader())) {
-			connector.setAttribute("server", this.getServerHeader());
+		if (StringUtils.hasText(getServerHeader())) {
+			connector.setAttribute("server", getServerHeader());
 		}
 		if (connector.getProtocolHandler() instanceof AbstractProtocol) {
 			customizeProtocol((AbstractProtocol<?>) connector.getProtocolHandler());

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

@@ -301,8 +301,8 @@ public class TomcatServletWebServerFactory extends AbstractServletWebServerFacto
 	protected void customizeConnector(Connector connector) {
 		int port = Math.max(getPort(), 0);
 		connector.setPort(port);
-		if (StringUtils.hasText(this.getServerHeader())) {
-			connector.setAttribute("server", this.getServerHeader());
+		if (StringUtils.hasText(getServerHeader())) {
+			connector.setAttribute("server", getServerHeader());
 		}
 		if (connector.getProtocolHandler() instanceof AbstractProtocol) {
 			customizeProtocol((AbstractProtocol<?>) connector.getProtocolHandler());

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/reactive/context/AnnotationConfigReactiveWebServerApplicationContext.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -144,8 +144,7 @@ public class AnnotationConfigReactiveWebServerApplicationContext extends Reactiv
 	public void setBeanNameGenerator(BeanNameGenerator beanNameGenerator) {
 		this.reader.setBeanNameGenerator(beanNameGenerator);
 		this.scanner.setBeanNameGenerator(beanNameGenerator);
-		this.getBeanFactory().registerSingleton(AnnotationConfigUtils.CONFIGURATION_BEAN_NAME_GENERATOR,
-				beanNameGenerator);
+		getBeanFactory().registerSingleton(AnnotationConfigUtils.CONFIGURATION_BEAN_NAME_GENERATOR, beanNameGenerator);
 	}
 
 	/**

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/reactive/context/FilteredReactiveWebContextResource.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -60,7 +60,7 @@ class FilteredReactiveWebContextResource extends AbstractResource {
 
 	@Override
 	public InputStream getInputStream() throws IOException {
-		throw new FileNotFoundException(this.getDescription() + " cannot be opened because it does not exist");
+		throw new FileNotFoundException(getDescription() + " cannot be opened because it does not exist");
 	}
 
 }

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/reactive/error/DefaultErrorAttributes.java

@@ -82,7 +82,7 @@ public class DefaultErrorAttributes implements ErrorAttributes {
 	@Override
 	@Deprecated
 	public Map<String, Object> getErrorAttributes(ServerRequest request, boolean includeStackTrace) {
-		return this.getErrorAttributes(request, includeStackTrace, false);
+		return getErrorAttributes(request, includeStackTrace, false);
 	}
 
 	@Override

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -129,7 +129,7 @@ public class ErrorPage {
 		int result = 1;
 		result = prime * result + ObjectUtils.nullSafeHashCode(getExceptionName());
 		result = prime * result + ObjectUtils.nullSafeHashCode(this.path);
-		result = prime * result + this.getStatusCode();
+		result = prime * result + getStatusCode();
 		return result;
 	}
 

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/servlet/context/AnnotationConfigServletWebApplicationContext.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -143,8 +143,7 @@ public class AnnotationConfigServletWebApplicationContext extends GenericWebAppl
 	public void setBeanNameGenerator(BeanNameGenerator beanNameGenerator) {
 		this.reader.setBeanNameGenerator(beanNameGenerator);
 		this.scanner.setBeanNameGenerator(beanNameGenerator);
-		this.getBeanFactory().registerSingleton(AnnotationConfigUtils.CONFIGURATION_BEAN_NAME_GENERATOR,
-				beanNameGenerator);
+		getBeanFactory().registerSingleton(AnnotationConfigUtils.CONFIGURATION_BEAN_NAME_GENERATOR, beanNameGenerator);
 	}
 
 	/**

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/servlet/context/AnnotationConfigServletWebServerApplicationContext.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -141,8 +141,7 @@ public class AnnotationConfigServletWebServerApplicationContext extends ServletW
 	public void setBeanNameGenerator(BeanNameGenerator beanNameGenerator) {
 		this.reader.setBeanNameGenerator(beanNameGenerator);
 		this.scanner.setBeanNameGenerator(beanNameGenerator);
-		this.getBeanFactory().registerSingleton(AnnotationConfigUtils.CONFIGURATION_BEAN_NAME_GENERATOR,
-				beanNameGenerator);
+		getBeanFactory().registerSingleton(AnnotationConfigUtils.CONFIGURATION_BEAN_NAME_GENERATOR, beanNameGenerator);
 	}
 
 	/**

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/servlet/context/XmlServletWebServerApplicationContext.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -47,7 +47,7 @@ public class XmlServletWebServerApplicationContext extends ServletWebServerAppli
 	 * {@linkplain #load loaded} and then manually {@link #refresh refreshed}.
 	 */
 	public XmlServletWebServerApplicationContext() {
-		this.reader.setEnvironment(this.getEnvironment());
+		this.reader.setEnvironment(getEnvironment());
 	}
 
 	/**
@@ -101,7 +101,7 @@ public class XmlServletWebServerApplicationContext extends ServletWebServerAppli
 	@Override
 	public void setEnvironment(ConfigurableEnvironment environment) {
 		super.setEnvironment(environment);
-		this.reader.setEnvironment(this.getEnvironment());
+		this.reader.setEnvironment(getEnvironment());
 	}
 
 	/**

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/servlet/error/DefaultErrorAttributes.java

@@ -104,7 +104,7 @@ public class DefaultErrorAttributes implements ErrorAttributes, HandlerException
 	@Override
 	@Deprecated
 	public Map<String, Object> getErrorAttributes(WebRequest webRequest, boolean includeStackTrace) {
-		return this.getErrorAttributes(webRequest, includeStackTrace, false);
+		return getErrorAttributes(webRequest, includeStackTrace, false);
 	}
 
 	@Override

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/servlet/view/MustacheView.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -68,14 +68,14 @@ public class MustacheView extends AbstractTemplateView {
 
 	@Override
 	public boolean checkResource(Locale locale) throws Exception {
-		Resource resource = getApplicationContext().getResource(this.getUrl());
+		Resource resource = getApplicationContext().getResource(getUrl());
 		return (resource != null && resource.exists());
 	}
 
 	@Override
 	protected void renderMergedTemplateModel(Map<String, Object> model, HttpServletRequest request,
 			HttpServletResponse response) throws Exception {
-		Template template = createTemplate(getApplicationContext().getResource(this.getUrl()));
+		Template template = createTemplate(getApplicationContext().getResource(getUrl()));
 		if (template != null) {
 			template.execute(model, response.getWriter());
 		}

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

@@ -88,7 +88,7 @@ abstract class AbstractJettyServletWebServerFactoryTests extends AbstractServlet
 
 	@Override
 	protected void handleExceptionCausedByBlockedPortOnSecondaryConnector(RuntimeException ex, int blockedPort) {
-		this.handleExceptionCausedByBlockedPortOnPrimaryConnector(ex, blockedPort);
+		handleExceptionCausedByBlockedPortOnPrimaryConnector(ex, blockedPort);
 	}
 
 	@Override

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/web/embedded/undertow/UndertowServletWebServerFactoryTests.java

@@ -307,7 +307,7 @@ class UndertowServletWebServerFactoryTests extends AbstractServletWebServerFacto
 
 	@Override
 	protected void handleExceptionCausedByBlockedPortOnSecondaryConnector(RuntimeException ex, int blockedPort) {
-		this.handleExceptionCausedByBlockedPortOnPrimaryConnector(ex, blockedPort);
+		handleExceptionCausedByBlockedPortOnPrimaryConnector(ex, blockedPort);
 	}
 
 	@Override

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/web/reactive/server/AbstractReactiveWebServerFactoryTests.java

@@ -485,7 +485,7 @@ public abstract class AbstractReactiveWebServerFactoryTests {
 	}
 
 	protected void awaitInGracefulShutdown() {
-		while (!this.inGracefulShutdown()) {
+		while (!inGracefulShutdown()) {
 			try {
 				Thread.sleep(100);
 			}

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/web/servlet/server/AbstractServletWebServerFactoryTests.java

@@ -1174,7 +1174,7 @@ public abstract class AbstractServletWebServerFactoryTests {
 	}
 
 	protected void awaitInGracefulShutdown() {
-		while (!this.inGracefulShutdown()) {
+		while (!inGracefulShutdown()) {
 			try {
 				Thread.sleep(100);
 			}