org.springframework.boot.context.properties.bind.handler.IgnoreTopLevelConverterNotFoundBindHandler Maven / Gradle / Ivy
/*
* 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.handler;
import org.springframework.boot.context.properties.bind.AbstractBindHandler;
import org.springframework.boot.context.properties.bind.BindContext;
import org.springframework.boot.context.properties.bind.BindHandler;
import org.springframework.boot.context.properties.bind.Bindable;
import org.springframework.boot.context.properties.source.ConfigurationPropertyName;
import org.springframework.core.convert.ConverterNotFoundException;
/**
* {@link BindHandler} that can be used to ignore top-level
* {@link ConverterNotFoundException}s.
*
* @author Madhura Bhave
* @since 2.0.1
*/
public class IgnoreTopLevelConverterNotFoundBindHandler extends AbstractBindHandler {
/**
* Create a new {@link IgnoreTopLevelConverterNotFoundBindHandler} instance.
*/
public IgnoreTopLevelConverterNotFoundBindHandler() {
}
/**
* Create a new {@link IgnoreTopLevelConverterNotFoundBindHandler} instance with a
* specific parent.
* @param parent the parent handler
*/
public IgnoreTopLevelConverterNotFoundBindHandler(BindHandler parent) {
super(parent);
}
@Override
public Object onFailure(ConfigurationPropertyName name, Bindable target, BindContext context, Exception error)
throws Exception {
if (context.getDepth() == 0 && error instanceof ConverterNotFoundException) {
return null;
}
throw error;
}
}