org.springframework.beans.ExtendedBeanInfoFactory Maven / Gradle / Ivy
/*
* Copyright 2002-2022 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.beans;
import java.beans.BeanInfo;
import java.beans.IntrospectionException;
import java.lang.reflect.Method;
import org.springframework.core.Ordered;
import org.springframework.lang.NonNull;
/**
* Extension of {@link StandardBeanInfoFactory} that supports "non-standard"
* JavaBeans setter methods through introspection by Spring's
* (package-visible) {@code ExtendedBeanInfo} implementation.
*
* To be configured via a {@code META-INF/spring.factories} file with the following content:
* {@code org.springframework.beans.BeanInfoFactory=org.springframework.beans.ExtendedBeanInfoFactory}
*
*
Ordered at {@link Ordered#LOWEST_PRECEDENCE} to allow other user-defined
* {@link BeanInfoFactory} types to take precedence.
*
* @author Chris Beams
* @author Juergen Hoeller
* @since 3.2
* @see StandardBeanInfoFactory
* @see CachedIntrospectionResults
*/
public class ExtendedBeanInfoFactory extends StandardBeanInfoFactory {
@Override
@NonNull
public BeanInfo getBeanInfo(Class beanClass) throws IntrospectionException {
BeanInfo beanInfo = super.getBeanInfo(beanClass);
return (supports(beanClass) ? new ExtendedBeanInfo(beanInfo) : beanInfo);
}
/**
* Return whether the given bean class declares or inherits any non-void
* returning bean property or indexed property setter methods.
*/
private boolean supports(Class beanClass) {
for (Method method : beanClass.getMethods()) {
if (ExtendedBeanInfo.isCandidateWriteMethod(method)) {
return true;
}
}
return false;
}
}