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Polishing

This commit is contained in:
Sam Brannen 2023-03-31 13:09:06 +02:00
parent 1efa162cf0
commit 3632bea51e
4 changed files with 45 additions and 75 deletions
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5
spring-beans/src/main/java/org/springframework/beans/factory/aot/BeanRegistrationKey.java
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@ -1,5 +1,5 @@
/*
* Copyright 2002-2022 the original author or authors.
* Copyright 2002-2023 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.
@ -18,10 +18,11 @@ package org.springframework.beans.factory.aot;
/**
* Record class holding key information for beans registered in a bean factory.
*
* @param beanName the name of the registered bean
* @param beanClass the type of the registered bean
* @author Brian Clozel
* @since 6.0
* @since 6.0.8
*/
record BeanRegistrationKey(String beanName, Class<?> beanClass) {
}

22
spring-beans/src/main/java/org/springframework/beans/factory/aot/BeanRegistrationsAotContribution.java
View File

@ -52,8 +52,7 @@ class BeanRegistrationsAotContribution
private final Map<BeanRegistrationKey, Registration> registrations;
BeanRegistrationsAotContribution(
Map<BeanRegistrationKey, Registration> registrations) {
BeanRegistrationsAotContribution(Map<BeanRegistrationKey, Registration> registrations) {
this.registrations = registrations;
}
@ -78,23 +77,19 @@ class BeanRegistrationsAotContribution
}
private void generateRegisterBeanDefinitionsMethod(MethodSpec.Builder method,
GenerationContext generationContext,
BeanRegistrationsCode beanRegistrationsCode) {
GenerationContext generationContext, BeanRegistrationsCode beanRegistrationsCode) {
method.addJavadoc("Register the bean definitions.");
method.addModifiers(Modifier.PUBLIC);
method.addParameter(DefaultListableBeanFactory.class,
BEAN_FACTORY_PARAMETER_NAME);
method.addParameter(DefaultListableBeanFactory.class, BEAN_FACTORY_PARAMETER_NAME);
CodeBlock.Builder code = CodeBlock.builder();
this.registrations.forEach((registeredBean, registration) -> {
MethodReference beanDefinitionMethod = registration.methodGenerator
.generateBeanDefinitionMethod(generationContext,
beanRegistrationsCode);
.generateBeanDefinitionMethod(generationContext, beanRegistrationsCode);
CodeBlock methodInvocation = beanDefinitionMethod.toInvokeCodeBlock(
ArgumentCodeGenerator.none(), beanRegistrationsCode.getClassName());
code.addStatement("$L.registerBeanDefinition($S, $L)",
BEAN_FACTORY_PARAMETER_NAME, registeredBean.beanName(),
methodInvocation);
BEAN_FACTORY_PARAMETER_NAME, registeredBean.beanName(), methodInvocation);
});
method.addCode(code.build());
}
@ -102,13 +97,12 @@ class BeanRegistrationsAotContribution
private void generateRegisterAliasesMethod(MethodSpec.Builder method) {
method.addJavadoc("Register the aliases.");
method.addModifiers(Modifier.PUBLIC);
method.addParameter(DefaultListableBeanFactory.class,
BEAN_FACTORY_PARAMETER_NAME);
method.addParameter(DefaultListableBeanFactory.class, BEAN_FACTORY_PARAMETER_NAME);
CodeBlock.Builder code = CodeBlock.builder();
this.registrations.forEach((registeredBean, registration) -> {
for (String alias : registration.aliases) {
code.addStatement("$L.registerAlias($S, $S)",
BEAN_FACTORY_PARAMETER_NAME, registeredBean.beanName(), alias);
code.addStatement("$L.registerAlias($S, $S)", BEAN_FACTORY_PARAMETER_NAME,
registeredBean.beanName(), alias);
}
});
method.addCode(code.build());

88
spring-beans/src/test/java/org/springframework/beans/factory/aot/BeanRegistrationsAotContributionTests.java
View File

@ -17,7 +17,6 @@
package org.springframework.beans.factory.aot;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.function.BiConsumer;
@ -32,8 +31,8 @@ import org.springframework.aot.generate.GenerationContext;
import org.springframework.aot.generate.MethodReference;
import org.springframework.aot.generate.MethodReference.ArgumentCodeGenerator;
import org.springframework.aot.hint.MemberCategory;
import org.springframework.aot.hint.predicate.RuntimeHintsPredicates;
import org.springframework.aot.test.generate.TestGenerationContext;
import org.springframework.beans.factory.aot.BeanRegistrationsAotContribution.Registration;
import org.springframework.beans.factory.support.DefaultListableBeanFactory;
import org.springframework.beans.factory.support.RegisteredBean;
import org.springframework.beans.factory.support.RootBeanDefinition;
@ -49,7 +48,7 @@ import org.springframework.javapoet.MethodSpec;
import org.springframework.javapoet.ParameterizedTypeName;
import static org.assertj.core.api.Assertions.assertThat;
import static org.springframework.beans.factory.aot.BeanRegistrationsAotContribution.Registration;
import static org.springframework.aot.hint.predicate.RuntimeHintsPredicates.reflection;
/**
* Tests for {@link BeanRegistrationsAotContribution}.
@ -61,32 +60,21 @@ import static org.springframework.beans.factory.aot.BeanRegistrationsAotContribu
*/
class BeanRegistrationsAotContributionTests {
private final DefaultListableBeanFactory beanFactory;
private final DefaultListableBeanFactory beanFactory = new DefaultListableBeanFactory();
private final BeanDefinitionMethodGeneratorFactory methodGeneratorFactory;
private final BeanDefinitionMethodGeneratorFactory methodGeneratorFactory = new BeanDefinitionMethodGeneratorFactory(
AotServices.factoriesAndBeans(new MockSpringFactoriesLoader(), this.beanFactory));
private TestGenerationContext generationContext;
private TestGenerationContext generationContext = new TestGenerationContext();
private MockBeanFactoryInitializationCode beanFactoryInitializationCode;
BeanRegistrationsAotContributionTests() {
MockSpringFactoriesLoader springFactoriesLoader = new MockSpringFactoriesLoader();
this.beanFactory = new DefaultListableBeanFactory();
this.methodGeneratorFactory = new BeanDefinitionMethodGeneratorFactory(
AotServices.factoriesAndBeans(springFactoriesLoader, this.beanFactory));
this.generationContext = new TestGenerationContext();
this.beanFactoryInitializationCode = new MockBeanFactoryInitializationCode(this.generationContext);
}
private MockBeanFactoryInitializationCode beanFactoryInitializationCode = new MockBeanFactoryInitializationCode(this.generationContext);
@Test
void applyToAppliesContribution() {
RegisteredBean registeredBean = registerBean(
new RootBeanDefinition(TestBean.class));
BeanDefinitionMethodGenerator generator = new BeanDefinitionMethodGenerator(
this.methodGeneratorFactory, registeredBean, null,
Collections.emptyList());
RegisteredBean registeredBean = registerBean(new RootBeanDefinition(TestBean.class));
BeanDefinitionMethodGenerator generator = new BeanDefinitionMethodGenerator(this.methodGeneratorFactory,
registeredBean, null, List.of());
BeanRegistrationsAotContribution contribution = createContribution(generator);
contribution.applyTo(this.generationContext, this.beanFactoryInitializationCode);
compile((consumer, compiled) -> {
@ -98,11 +86,9 @@ class BeanRegistrationsAotContributionTests {
@Test
void applyToAppliesContributionWithAliases() {
RegisteredBean registeredBean = registerBean(
new RootBeanDefinition(TestBean.class));
BeanDefinitionMethodGenerator generator = new BeanDefinitionMethodGenerator(
this.methodGeneratorFactory, registeredBean, null,
Collections.emptyList());
RegisteredBean registeredBean = registerBean(new RootBeanDefinition(TestBean.class));
BeanDefinitionMethodGenerator generator = new BeanDefinitionMethodGenerator(this.methodGeneratorFactory,
registeredBean, null, List.of());
BeanRegistrationsAotContribution contribution = createContribution(generator, "testAlias");
contribution.applyTo(this.generationContext, this.beanFactoryInitializationCode);
compile((consumer, compiled) -> {
@ -117,11 +103,9 @@ class BeanRegistrationsAotContributionTests {
this.generationContext = new TestGenerationContext(
new ClassNameGenerator(TestGenerationContext.TEST_TARGET, "Management"));
this.beanFactoryInitializationCode = new MockBeanFactoryInitializationCode(this.generationContext);
RegisteredBean registeredBean = registerBean(
new RootBeanDefinition(TestBean.class));
BeanDefinitionMethodGenerator generator = new BeanDefinitionMethodGenerator(
this.methodGeneratorFactory, registeredBean, null,
Collections.emptyList());
RegisteredBean registeredBean = registerBean(new RootBeanDefinition(TestBean.class));
BeanDefinitionMethodGenerator generator = new BeanDefinitionMethodGenerator(this.methodGeneratorFactory,
registeredBean, null, List.of());
BeanRegistrationsAotContribution contribution = createContribution(generator);
contribution.applyTo(this.generationContext, this.beanFactoryInitializationCode);
compile((consumer, compiled) -> {
@ -133,19 +117,15 @@ class BeanRegistrationsAotContributionTests {
@Test
void applyToCallsRegistrationsWithBeanRegistrationsCode() {
List<BeanRegistrationsCode> beanRegistrationsCodes = new ArrayList<>();
RegisteredBean registeredBean = registerBean(
new RootBeanDefinition(TestBean.class));
BeanDefinitionMethodGenerator generator = new BeanDefinitionMethodGenerator(
this.methodGeneratorFactory, registeredBean, null,
Collections.emptyList()) {
RegisteredBean registeredBean = registerBean(new RootBeanDefinition(TestBean.class));
BeanDefinitionMethodGenerator generator = new BeanDefinitionMethodGenerator(this.methodGeneratorFactory,
registeredBean, null, List.of()) {
@Override
MethodReference generateBeanDefinitionMethod(
GenerationContext generationContext,
MethodReference generateBeanDefinitionMethod(GenerationContext generationContext,
BeanRegistrationsCode beanRegistrationsCode) {
beanRegistrationsCodes.add(beanRegistrationsCode);
return super.generateBeanDefinitionMethod(generationContext,
beanRegistrationsCode);
return super.generateBeanDefinitionMethod(generationContext, beanRegistrationsCode);
}
};
@ -158,15 +138,12 @@ class BeanRegistrationsAotContributionTests {
@Test
void applyToRegisterReflectionHints() {
List<BeanRegistrationsCode> beanRegistrationsCodes = new ArrayList<>();
RegisteredBean registeredBean = registerBean(
new RootBeanDefinition(TestBean.class));
BeanDefinitionMethodGenerator generator = new BeanDefinitionMethodGenerator(
this.methodGeneratorFactory, registeredBean, null,
Collections.emptyList());
RegisteredBean registeredBean = registerBean(new RootBeanDefinition(TestBean.class));
BeanDefinitionMethodGenerator generator = new BeanDefinitionMethodGenerator(this.methodGeneratorFactory,
registeredBean, null, List.of());
BeanRegistrationsAotContribution contribution = createContribution(generator);
contribution.applyTo(this.generationContext, this.beanFactoryInitializationCode);
assertThat(RuntimeHintsPredicates.reflection().onType(TestBean.class)
assertThat(reflection().onType(TestBean.class)
.withMemberCategory(MemberCategory.INTROSPECT_DECLARED_METHODS))
.accepts(this.generationContext.getRuntimeHints());
}
@ -178,12 +155,9 @@ class BeanRegistrationsAotContributionTests {
}
@SuppressWarnings({ "unchecked", "cast" })
private void compile(
BiConsumer<Consumer<DefaultListableBeanFactory>, Compiled> result) {
MethodReference beanRegistrationsMethodReference = this.beanFactoryInitializationCode
.getInitializers().get(0);
MethodReference aliasesMethodReference = this.beanFactoryInitializationCode
.getInitializers().get(1);
private void compile(BiConsumer<Consumer<DefaultListableBeanFactory>, Compiled> result) {
MethodReference beanRegistrationsMethodReference = this.beanFactoryInitializationCode.getInitializers().get(0);
MethodReference aliasesMethodReference = this.beanFactoryInitializationCode.getInitializers().get(1);
this.beanFactoryInitializationCode.getTypeBuilder().set(type -> {
ArgumentCodeGenerator beanFactory = ArgumentCodeGenerator.of(DefaultListableBeanFactory.class, "beanFactory");
ClassName className = this.beanFactoryInitializationCode.getClassName();
@ -191,7 +165,8 @@ class BeanRegistrationsAotContributionTests {
CodeBlock aliasesMethodInvocation = aliasesMethodReference.toInvokeCodeBlock(beanFactory, className);
type.addModifiers(Modifier.PUBLIC);
type.addSuperinterface(ParameterizedTypeName.get(Consumer.class, DefaultListableBeanFactory.class));
type.addMethod(MethodSpec.methodBuilder("accept").addModifiers(Modifier.PUBLIC)
type.addMethod(MethodSpec.methodBuilder("accept")
.addModifiers(Modifier.PUBLIC)
.addParameter(DefaultListableBeanFactory.class, "beanFactory")
.addStatement(beanRegistrationsMethodInvocation)
.addStatement(aliasesMethodInvocation)
@ -204,7 +179,8 @@ class BeanRegistrationsAotContributionTests {
private BeanRegistrationsAotContribution createContribution(
BeanDefinitionMethodGenerator methodGenerator,String... aliases) {
return new BeanRegistrationsAotContribution(Map.of(new BeanRegistrationKey("testBean", TestBean.class), new Registration(methodGenerator, aliases)));
return new BeanRegistrationsAotContribution(
Map.of(new BeanRegistrationKey("testBean", TestBean.class), new Registration(methodGenerator, aliases)));
}
}

5
spring-core/src/main/java/org/springframework/core/convert/support/CollectionToStringConverter.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2016 the original author or authors.
* Copyright 2002-2023 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.
@ -58,10 +58,9 @@ final class CollectionToStringConverter implements ConditionalGenericConverter {
@Override
@Nullable
public Object convert(@Nullable Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
if (source == null) {
if (!(source instanceof Collection<?> sourceCollection)) {
return null;
}
Collection<?> sourceCollection = (Collection<?>) source;
if (sourceCollection.isEmpty()) {
return "";
}