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Enables serialization/deserialization in Micronaut applications using build time information

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/*
 * Copyright 2017-2021 original 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 io.micronaut.serde.processor.jackson;

import io.micronaut.core.annotation.AnnotationValue;
import io.micronaut.core.annotation.AnnotationValueBuilder;
import io.micronaut.inject.annotation.NamedAnnotationMapper;
import io.micronaut.inject.visitor.VisitorContext;
import io.micronaut.serde.config.annotation.SerdeConfig;

import java.lang.annotation.Annotation;
import java.util.Collections;
import java.util.List;

/**
 * Managed ref support.
 */
public class JsonBackReferenceMapper implements NamedAnnotationMapper {
    @Override
    public String getName() {
        return "com.fasterxml.jackson.annotation.JsonBackReference";
    }

    @Override
    public List> map(AnnotationValue annotation, VisitorContext visitorContext) {
        final AnnotationValueBuilder builder =
                AnnotationValue.builder(SerdeConfig.SerBackRef.class);
        annotation.stringValue().ifPresent(alias -> builder.member(SerdeConfig.SerBackRef.ALIAS, alias));
        return Collections.singletonList(builder.build());
    }
}