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/*
* Copyright (c) 2019 Oracle and/or its affiliates. All rights reserved.
*
* 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
*
* http://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 io.helidon.common.mapper.spi;
import java.util.Optional;
import io.helidon.common.GenericType;
import io.helidon.common.mapper.Mapper;
/**
* Java Service loader service to get mappers.
*/
@FunctionalInterface
public interface MapperProvider {
/**
* Find a mapper that is capable of mapping from source to target classes.
*
* @param sourceClass class of the source
* @param targetClass class of the target
* @param type of the source
* @param type of the target
* @return a mapper that is capable of mapping (or converting) sources to targets
*/
Optional> mapper(Class sourceClass, Class targetClass);
/**
* Find a mapper that is capable of mapping from source to target types.
* This method supports mapping to/from types that contain generics.
*
* @param sourceType generic type of the source
* @param targetType generic type of the target
* @param type of the source
* @param type of the target
* @return a mapper that is capable of mapping (or converting) sources to targets
*/
default Optional> mapper(GenericType sourceType,
GenericType targetType) {
return Optional.empty();
}
}
