spring AbstractBindHandler 源码
springboot AbstractBindHandler 代码
文件路径：/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/properties/bind/AbstractBindHandler.java
/*
* Copyright 2012-2019 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.context.properties.bind;
import org.springframework.boot.context.properties.source.ConfigurationPropertyName;
import org.springframework.util.Assert;
/**
* Abstract base class for {@link BindHandler} implementations.
*
* @author Phillip Webb
* @author Madhura Bhave
* @since 2.0.0
*/
public abstract class AbstractBindHandler implements BindHandler {
private final BindHandler parent;
/**
* Create a new binding handler instance.
*/
public AbstractBindHandler() {
this(BindHandler.DEFAULT);
}
/**
* Create a new binding handler instance with a specific parent.
* @param parent the parent handler
*/
public AbstractBindHandler(BindHandler parent) {
Assert.notNull(parent, "Parent must not be null");
this.parent = parent;
}
@Override
public <T> Bindable<T> onStart(ConfigurationPropertyName name, Bindable<T> target, BindContext context) {
return this.parent.onStart(name, target, context);
}
@Override
public Object onSuccess(ConfigurationPropertyName name, Bindable<?> target, BindContext context, Object result) {
return this.parent.onSuccess(name, target, context, result);
}
@Override
public Object onFailure(ConfigurationPropertyName name, Bindable<?> target, BindContext context, Exception error)
throws Exception {
return this.parent.onFailure(name, target, context, error);
}
@Override
public void onFinish(ConfigurationPropertyName name, Bindable<?> target, BindContext context, Object result)
throws Exception {
this.parent.onFinish(name, target, context, result);
}
}
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- 本文标签： Spring Boot Java Spring
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