spring ConverterFactory 源码
spring ConverterFactory 代码
文件路径：/spring-core/src/main/java/org/springframework/core/convert/converter/ConverterFactory.java
/*
* Copyright 2002-2018 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.core.convert.converter;
/**
* A factory for "ranged" converters that can convert objects from S to subtypes of R.
*
* <p>Implementations may additionally implement {@link ConditionalConverter}.
*
* @author Keith Donald
* @since 3.0
* @param <S> the source type converters created by this factory can convert from
* @param <R> the target range (or base) type converters created by this factory can convert to;
* for example {@link Number} for a set of number subtypes.
* @see ConditionalConverter
*/
public interface ConverterFactory<S, R> {
/**
* Get the converter to convert from S to target type T, where T is also an instance of R.
* @param <T> the target type
* @param targetType the target type to convert to
* @return a converter from S to T
*/
<T extends R> Converter<S, T> getConverter(Class<T> targetType);
}
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spring ConditionalConverter 源码
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