org.springframework.boot.autoconfigure.flyway.ResourceProviderCustomizerBeanRegistrationAotProcessor Maven / Gradle / Ivy
/*
* Copyright 2012-2023 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.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.boot.autoconfigure.flyway;
import javax.lang.model.element.Modifier;
import org.springframework.aot.generate.GeneratedMethod;
import org.springframework.aot.generate.GenerationContext;
import org.springframework.beans.factory.aot.BeanRegistrationAotContribution;
import org.springframework.beans.factory.aot.BeanRegistrationAotProcessor;
import org.springframework.beans.factory.aot.BeanRegistrationCode;
import org.springframework.beans.factory.aot.BeanRegistrationCodeFragments;
import org.springframework.beans.factory.aot.BeanRegistrationCodeFragmentsDecorator;
import org.springframework.beans.factory.support.RegisteredBean;
import org.springframework.javapoet.CodeBlock;
/**
* Replaces the {@link ResourceProviderCustomizer} bean with a
* {@link NativeImageResourceProviderCustomizer} bean.
*
* @author Moritz Halbritter
*/
class ResourceProviderCustomizerBeanRegistrationAotProcessor implements BeanRegistrationAotProcessor {
@Override
public BeanRegistrationAotContribution processAheadOfTime(RegisteredBean registeredBean) {
if (registeredBean.getBeanClass().equals(ResourceProviderCustomizer.class)) {
return BeanRegistrationAotContribution
.withCustomCodeFragments((codeFragments) -> new AotContribution(codeFragments, registeredBean));
}
return null;
}
private static class AotContribution extends BeanRegistrationCodeFragmentsDecorator {
private final RegisteredBean registeredBean;
protected AotContribution(BeanRegistrationCodeFragments delegate, RegisteredBean registeredBean) {
super(delegate);
this.registeredBean = registeredBean;
}
@Override
public CodeBlock generateInstanceSupplierCode(GenerationContext generationContext,
BeanRegistrationCode beanRegistrationCode, boolean allowDirectSupplierShortcut) {
GeneratedMethod generatedMethod = beanRegistrationCode.getMethods().add("getInstance", (method) -> {
method.addJavadoc("Get the bean instance for '$L'.", this.registeredBean.getBeanName());
method.addModifiers(Modifier.PRIVATE, Modifier.STATIC);
method.returns(NativeImageResourceProviderCustomizer.class);
CodeBlock.Builder code = CodeBlock.builder();
code.addStatement("return new $T()", NativeImageResourceProviderCustomizer.class);
method.addCode(code.build());
});
return generatedMethod.toMethodReference().toCodeBlock();
}
}
}