Adapt to latest API change in Spring Framework

See https://github.com/spring-projects/spring-framework/issues/28585

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/web/server/ChildManagementContextInitializer.java

@@ -30,7 +30,6 @@ import org.springframework.beans.factory.aot.BeanRegistrationCode;
 import org.springframework.beans.factory.aot.BeanRegistrationExcludeFilter;
 import org.springframework.beans.factory.config.BeanFactoryPostProcessor;
 import org.springframework.beans.factory.support.RegisteredBean;
-import org.springframework.boot.AotProcessor;
 import org.springframework.boot.LazyInitializationBeanFactoryPostProcessor;
 import org.springframework.boot.actuate.autoconfigure.web.ManagementContextFactory;
 import org.springframework.boot.autoconfigure.context.PropertyPlaceholderAutoConfiguration;
@@ -96,10 +95,9 @@ class ChildManagementContextInitializer implements ApplicationListener<WebServer
 		BeanFactory parentBeanFactory = ((ConfigurableApplicationContext) this.parentContext).getBeanFactory();
 		if (registeredBean.getBeanClass().equals(getClass())
 				&& registeredBean.getBeanFactory().equals(parentBeanFactory)) {
-			AotProcessor activeAotProcessor = AotProcessor.getActive(this.parentContext);
 			ConfigurableApplicationContext managementContext = createManagementContext();
 			registerBeans(managementContext);
-			return new AotContribution(activeAotProcessor, managementContext);
+			return new AotContribution(managementContext);
 		}
 		return null;
 	}
@@ -155,23 +153,18 @@ class ChildManagementContextInitializer implements ApplicationListener<WebServer
 	 */
 	private static class AotContribution implements BeanRegistrationAotContribution {
 
-		private final AotProcessor activeAotProcessor;
-
 		private final GenericApplicationContext managementContext;
 
-		AotContribution(AotProcessor activeAotProcessor, ConfigurableApplicationContext managementContext) {
+		AotContribution(ConfigurableApplicationContext managementContext) {
 			Assert.isInstanceOf(GenericApplicationContext.class, managementContext);
-			this.activeAotProcessor = activeAotProcessor;
 			this.managementContext = (GenericApplicationContext) managementContext;
 		}
 
 		@Override
 		public void applyTo(GenerationContext generationContext, BeanRegistrationCode beanRegistrationCode) {
-			Class<?> target = (this.activeAotProcessor != null) ? this.activeAotProcessor.getApplication() : null;
+			GenerationContext managementGenerationContext = generationContext.withName("Management");
-			ClassName generatedInitializerClassName = generationContext.getClassNameGenerator()
+			ClassName generatedInitializerClassName = new ApplicationContextAotGenerator()
-					.generateClassName(target, "ManagementContextRegistrations");
+					.generateApplicationContext(this.managementContext, managementGenerationContext);
-			new ApplicationContextAotGenerator().generateApplicationContext(this.managementContext, target,
-					"Management", generationContext, generatedInitializerClassName);
 			GeneratedMethod postProcessorMethod = beanRegistrationCode.getMethodGenerator()
 					.generateMethod("addManagementInitializer").using((builder) -> {
 						builder.addJavadoc("Use AOT management context initialization");

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/web/server/ChildManagementContextInitializerAotTests.java

@@ -25,13 +25,11 @@ import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 
+import org.springframework.aot.generate.ClassNameGenerator;
 import org.springframework.aot.generate.DefaultGenerationContext;
 import org.springframework.aot.generate.InMemoryGeneratedFiles;
-import org.springframework.aot.generate.MethodGenerator;
-import org.springframework.aot.generate.MethodReference;
 import org.springframework.aot.test.generator.compile.CompileWithTargetClassAccess;
 import org.springframework.aot.test.generator.compile.TestCompiler;
-import org.springframework.beans.factory.aot.BeanRegistrationCode;
 import org.springframework.boot.actuate.autoconfigure.endpoint.EndpointAutoConfiguration;
 import org.springframework.boot.actuate.autoconfigure.endpoint.web.WebEndpointAutoConfiguration;
 import org.springframework.boot.actuate.autoconfigure.web.servlet.ServletManagementContextAutoConfiguration;
@@ -79,10 +77,10 @@ class ChildManagementContextInitializerAotTests {
 								EndpointAutoConfiguration.class));
 		contextRunner.withPropertyValues("server.port=0", "management.server.port=0").prepare((context) -> {
 			InMemoryGeneratedFiles generatedFiles = new InMemoryGeneratedFiles();
-			DefaultGenerationContext generationContext = new DefaultGenerationContext(generatedFiles);
+			DefaultGenerationContext generationContext = new DefaultGenerationContext(
-			ClassName className = ClassName.get("com.example", "TestInitializer");
+					new ClassNameGenerator(TestTarget.class), generatedFiles);
-			new ApplicationContextAotGenerator().generateApplicationContext(
+			ClassName className = new ApplicationContextAotGenerator().generateApplicationContext(
-					(GenericApplicationContext) context.getSourceApplicationContext(), generationContext, className);
+					(GenericApplicationContext) context.getSourceApplicationContext(), generationContext);
 			generationContext.writeGeneratedContent();
 			TestCompiler compiler = TestCompiler.forSystem();
 			compiler.withFiles(generatedFiles).compile((compiled) -> {
@@ -105,21 +103,7 @@ class ChildManagementContextInitializerAotTests {
 		};
 	}
 
-	static class MockBeanRegistrationCode implements BeanRegistrationCode {
+	static class TestTarget {
-
-		@Override
-		public ClassName getClassName() {
-			return null;
-		}
-
-		@Override
-		public MethodGenerator getMethodGenerator() {
-			return null;
-		}
-
-		@Override
-		public void addInstancePostProcessor(MethodReference methodReference) {
-		}
 
 	}
 

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/AotProcessor.java

@@ -25,10 +25,9 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
-import java.util.Map;
-import java.util.concurrent.ConcurrentHashMap;
 import java.util.function.Consumer;
 
+import org.springframework.aot.generate.ClassNameGenerator;
 import org.springframework.aot.generate.DefaultGenerationContext;
 import org.springframework.aot.generate.FileSystemGeneratedFiles;
 import org.springframework.aot.generate.GeneratedFiles.Kind;
@@ -62,8 +61,6 @@ public class AotProcessor {
 	private static final Consumer<ExecutableHint.Builder> INVOKE_CONSTRUCTOR_HINT = (hint) -> hint
 			.setModes(ExecutableMode.INVOKE);
 
-	private static final Map<ApplicationContext, AotProcessor> aotProcessors = new ConcurrentHashMap<>();
-
 	private final Class<?> application;
 
 	private final String[] applicationArgs;
@@ -101,32 +98,18 @@ public class AotProcessor {
 		this.artifactId = artifactId;
 	}
 
-	/**
-	 * Return the application class being processed.
-	 * @return the application class
-	 */
-	public Class<?> getApplication() {
-		return this.application;
-	}
-
 	/**
 	 * Trigger the processing of the application managed by this instance.
 	 */
-	void process() {
+	public void process() {
 		deleteExistingOutput();
 		AotProcessorHook hook = new AotProcessorHook();
 		SpringApplicationHooks.withHook(hook, this::callApplicationMainMethod);
 		GenericApplicationContext applicationContext = hook.getApplicationContext();
 		Assert.notNull(applicationContext, "No application context available after calling main method of '"
 				+ this.application.getName() + "'. Does it run a SpringApplication?");
-		aotProcessors.put(applicationContext, this);
-		try {
 		performAotProcessing(applicationContext);
 	}
-		finally {
-			aotProcessors.remove(applicationContext);
-		}
-	}
 
 	private void deleteExistingOutput() {
 		deleteExistingOutput(this.sourceOutput, this.resourceOutput, this.classOutput);
@@ -161,12 +144,11 @@ public class AotProcessor {
 
 	private void performAotProcessing(GenericApplicationContext applicationContext) {
 		FileSystemGeneratedFiles generatedFiles = new FileSystemGeneratedFiles(this::getRoot);
-		DefaultGenerationContext generationContext = new DefaultGenerationContext(generatedFiles);
+		DefaultGenerationContext generationContext = new DefaultGenerationContext(
+				new ClassNameGenerator(this.application), generatedFiles);
 		ApplicationContextAotGenerator generator = new ApplicationContextAotGenerator();
-		ClassName generatedInitializerClassName = generationContext.getClassNameGenerator()
+		ClassName generatedInitializerClassName = generator.generateApplicationContext(applicationContext,
-				.generateClassName(this.application, "ApplicationContextInitializer");
+				generationContext);
-		generator.generateApplicationContext(applicationContext, this.application, "", generationContext,
-				generatedInitializerClassName);
 		registerEntryPointHint(generationContext, generatedInitializerClassName);
 		generationContext.writeGeneratedContent();
 		writeHints(generationContext.getRuntimeHints());
@@ -243,16 +225,6 @@ public class AotProcessor {
 				.process();
 	}
 
-	/**
-	 * Return the AOT processor that is actively processing the given
-	 * {@link ApplicationContext}.
-	 * @param applicationContext the application context to check
-	 * @return the {@link AotProcessor} or {@code null}
-	 */
-	public static AotProcessor getActive(ApplicationContext applicationContext) {
-		return aotProcessors.get(applicationContext);
-	}
-
 	/**
 	 * Hook used to capture the {@link ApplicationContext} and trigger early exit of main
 	 * method.

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

@@ -25,6 +25,7 @@ import java.util.function.Consumer;
 
 import org.junit.jupiter.api.Test;
 
+import org.springframework.aot.generate.ClassNameGenerator;
 import org.springframework.aot.generate.DefaultGenerationContext;
 import org.springframework.aot.generate.GenerationContext;
 import org.springframework.aot.generate.InMemoryGeneratedFiles;
@@ -267,7 +268,8 @@ class ConfigurationPropertiesBeanFactoryInitializationAotProcessorTests {
 	private RuntimeHints process(ConfigurableListableBeanFactory beanFactory) {
 		BeanFactoryInitializationAotContribution contribution = this.processor.processAheadOfTime(beanFactory);
 		assertThat(contribution).isNotNull();
-		GenerationContext generationContext = new DefaultGenerationContext(new InMemoryGeneratedFiles());
+		GenerationContext generationContext = new DefaultGenerationContext(new ClassNameGenerator(Object.class),
+				new InMemoryGeneratedFiles());
 		contribution.applyTo(generationContext, mock(BeanFactoryInitializationCode.class));
 		return generationContext.getRuntimeHints();
 	}