spring OperationReflectiveProcessor 源码
springboot OperationReflectiveProcessor 代码
文件路径：/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/annotation/OperationReflectiveProcessor.java
/*
* Copyright 2012-2022 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.actuate.endpoint.annotation;
import java.lang.reflect.Method;
import java.lang.reflect.Type;
import org.springframework.aot.hint.ReflectionHints;
import org.springframework.aot.hint.annotation.ReflectiveProcessor;
import org.springframework.aot.hint.annotation.SimpleReflectiveProcessor;
import org.springframework.boot.actuate.endpoint.web.WebEndpointResponse;
import org.springframework.context.aot.BindingReflectionHintsRegistrar;
import org.springframework.core.ResolvableType;
import org.springframework.core.io.Resource;
/**
* {@link ReflectiveProcessor} that registers the annotated operation method and its
* return type for reflection.
*
* @author Moritz Halbritter
* @author Stephane Nicoll
*/
class OperationReflectiveProcessor extends SimpleReflectiveProcessor {
private final BindingReflectionHintsRegistrar bindingRegistrar = new BindingReflectionHintsRegistrar();
@Override
protected void registerMethodHint(ReflectionHints hints, Method method) {
super.registerMethodHint(hints, method);
Type returnType = extractReturnType(method);
if (returnType != null) {
registerReflectionHints(hints, returnType);
}
}
private Type extractReturnType(Method method) {
ResolvableType returnType = ResolvableType.forMethodReturnType(method);
if (!WebEndpointResponse.class.isAssignableFrom(method.getReturnType())) {
return returnType.getType();
}
return returnType.as(WebEndpointResponse.class).getGeneric(0).getType();
}
private void registerReflectionHints(ReflectionHints hints, Type type) {
if (!type.equals(Resource.class)) {
this.bindingRegistrar.registerReflectionHints(hints, type);
}
}
}
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- 本文标签： Spring Boot Spring Java
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