Fix generating code for resolving property type.

This commit is contained in:
Olga MaciaszekSharma
2024-04-26 16:55:25 +02:00
parent 3ea92edd60
commit 90b547ebff

View File

@@ -16,22 +16,17 @@
package org.springframework.cloud.config.server.aot;
import java.lang.reflect.Type;
import java.util.Arrays;
import java.util.Map;
import java.util.Objects;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import javax.lang.model.element.Modifier;
import org.springframework.aot.generate.GeneratedMethod;
import org.springframework.aot.generate.GenerationContext;
import org.springframework.aot.hint.MemberCategory;
import org.springframework.aot.hint.ReflectionHints;
import org.springframework.aot.hint.RuntimeHints;
import org.springframework.aot.hint.TypeReference;
import org.springframework.beans.factory.aot.BeanFactoryInitializationAotContribution;
import org.springframework.beans.factory.aot.BeanFactoryInitializationAotProcessor;
import org.springframework.beans.factory.aot.BeanFactoryInitializationCode;
@@ -43,11 +38,11 @@ import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.support.DefaultListableBeanFactory;
import org.springframework.beans.factory.support.RegisteredBean;
import org.springframework.boot.context.properties.bind.Binder;
import org.springframework.cloud.config.server.composite.CompositeUtils;
import org.springframework.cloud.config.server.environment.EnvironmentRepository;
import org.springframework.cloud.config.server.support.EnvironmentRepositoryProperties;
import org.springframework.core.env.Environment;
import org.springframework.javapoet.MethodSpec;
import org.springframework.util.ClassUtils;
/**
* @author Olga Maciaszek-Sharma
@@ -88,10 +83,20 @@ public class CompositeEnvironmentBeanFactoryInitializationAotProcessor
&& registeredBean.getBeanName().contains("-env-repo");
}
private record CompositeEnvironmentBeanFactoryInitializationAotContribution(
Map<String, BeanDefinition> propertyBeanDefinitions,
Map<String, BeanDefinition> repoBeanDefinitions) implements BeanFactoryInitializationAotContribution {
private static final class CompositeEnvironmentBeanFactoryInitializationAotContribution
implements BeanFactoryInitializationAotContribution {
private final Map<String, BeanDefinition> propertyBeanDefinitions;
private final Map<String, BeanDefinition> repoBeanDefinitions;
private CompositeEnvironmentBeanFactoryInitializationAotContribution(
Map<String, BeanDefinition> propertyBeanDefinitions, Map<String, BeanDefinition> repoBeanDefinitions) {
this.propertyBeanDefinitions = propertyBeanDefinitions;
this.repoBeanDefinitions = repoBeanDefinitions;
}
@SuppressWarnings("NullableProblems")
@Override
public void applyTo(GenerationContext generationContext,
BeanFactoryInitializationCode beanFactoryInitializationCode) {
@@ -100,25 +105,6 @@ public class CompositeEnvironmentBeanFactoryInitializationAotProcessor
this::generateRegisterPropertyBeanDefinitionsMethod);
beanFactoryInitializationCode
.addInitializer(environmentRepositoryPropertiesGeneratedMethod.toMethodReference());
generateRuntimeHints(generationContext.getRuntimeHints());
}
private void generateRuntimeHints(RuntimeHints runtimeHints) {
ReflectionHints hints = runtimeHints.reflection();
Stream.concat(propertyBeanDefinitions.values().stream(), repoBeanDefinitions.values().stream())
.map(BeanDefinition::getBeanClassName).filter(Objects::nonNull).map(beanClassName -> {
try {
return Class.forName(beanClassName);
}
catch (ClassNotFoundException e) {
throw new RuntimeException("Class " + beanClassName + " could not be found", e);
}
}).forEach(beanClassName -> {
hints.registerType(TypeReference.of(beanClassName), MemberCategory.INTROSPECT_PUBLIC_METHODS,
MemberCategory.INTROSPECT_DECLARED_METHODS);
introspectPublicMethodsOnAllInterfaces(hints, beanClassName);
});
}
private void generateRegisterPropertyBeanDefinitionsMethod(MethodSpec.Builder method) {
@@ -131,47 +117,39 @@ public class CompositeEnvironmentBeanFactoryInitializationAotProcessor
Pattern findIndexPattern = Pattern.compile("(^.*)(-env-repo-properties)([0-9]+)$");
propertyBeanDefinitions.keySet().forEach(beanName -> {
Matcher matcher = findIndexPattern.matcher(beanName);
String repoBeanName = beanName.replace("repo-properties", "repo");
String factoryName = repoBeanDefinitions.get(repoBeanName).getFactoryBeanName();
if (matcher.find()) {
String indexString = matcher.group(3);
int index = Integer.parseInt(indexString);
method.addStatement("$T properties$L = binder.bindOrCreate($S, $T.class)",
EnvironmentRepositoryProperties.class, index, beanName,
EnvironmentRepositoryProperties.class);
method.addStatement(
"$T[] factoryTypes$L = $T.getEnvironmentRepositoryFactoryTypeParams(beanFactory, $S)",
Type.class, index, CompositeUtils.class, factoryName);
method.addStatement("""
Class<? extends EnvironmentRepositoryProperties> propertiesClass$L
= (Class<? extends EnvironmentRepositoryProperties>) factoryTypes$L[1]""", index,
index);
method.addStatement("$T properties$L = binder.bindOrCreate($S, propertiesClass$L)",
EnvironmentRepositoryProperties.class, index, beanName, index);
method.addStatement("properties$L.setOrder($L)", index, index + 1);
method.addStatement(
"$T propertiesDefinition$L = "
+ "$T.genericBeanDefinition($T.class, () -> properties$L).getBeanDefinition()",
"$T propertiesDefinition$L = $T.genericBeanDefinition($T.class, () -> properties$L).getBeanDefinition()",
AbstractBeanDefinition.class, index, BeanDefinitionBuilder.class,
EnvironmentRepositoryProperties.class, index);
method.addStatement("beanFactory.registerBeanDefinition($S, propertiesDefinition$L)", beanName,
index);
String repoBeanName = beanName.replace("repo-properties", "repo");
BeanDefinition registeredRepoBeanDefinition = repoBeanDefinitions.get(repoBeanName);
method.addStatement(
"""
$T repoBeanDefinition$L = $T.genericBeanDefinition($T.class).setFactoryMethodOnBean("build", $S)
.addConstructorArgValue(properties$L).getBeanDefinition()""",
AbstractBeanDefinition.class, index, BeanDefinitionBuilder.class,
EnvironmentRepository.class, registeredRepoBeanDefinition.getFactoryBeanName(), index);
EnvironmentRepository.class, factoryName, index);
method.addStatement("beanFactory.registerBeanDefinition($S, repoBeanDefinition$L)", repoBeanName,
index);
}
});
}
// from Spring Framework BeanRegistrationsAotContribution
private void introspectPublicMethodsOnAllInterfaces(ReflectionHints hints, Class<?> type) {
Class<?> currentClass = type;
while (currentClass != null && currentClass != Object.class) {
for (Class<?> interfaceType : currentClass.getInterfaces()) {
if (!ClassUtils.isJavaLanguageInterface(interfaceType)) {
hints.registerType(interfaceType, MemberCategory.INTROSPECT_PUBLIC_METHODS);
introspectPublicMethodsOnAllInterfaces(hints, interfaceType);
}
}
currentClass = currentClass.getSuperclass();
}
}
}
}