spring NumberToDataSizeConverter 源码
springboot NumberToDataSizeConverter 代码
文件路径：/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/convert/NumberToDataSizeConverter.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.convert;
import java.util.Collections;
import java.util.Set;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.converter.Converter;
import org.springframework.core.convert.converter.GenericConverter;
import org.springframework.util.unit.DataSize;
/**
* {@link Converter} to convert from a {@link Number} to a {@link DataSize}.
*
* @author Stephane Nicoll
* @see DataSizeUnit
*/
final class NumberToDataSizeConverter implements GenericConverter {
private final StringToDataSizeConverter delegate = new StringToDataSizeConverter();
@Override
public Set<ConvertiblePair> getConvertibleTypes() {
return Collections.singleton(new ConvertiblePair(Number.class, DataSize.class));
}
@Override
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
return this.delegate.convert((source != null) ? source.toString() : null, TypeDescriptor.valueOf(String.class),
targetType);
}
}
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- 本文标签： Java Spring Spring Boot
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