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package org.javimmutable.jackson;

import com.fasterxml.jackson.databind.BeanDescription;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializationConfig;
import com.fasterxml.jackson.databind.jsontype.TypeSerializer;
import com.fasterxml.jackson.databind.ser.Serializers;
import com.fasterxml.jackson.databind.ser.std.IterableSerializer;
import com.fasterxml.jackson.databind.type.CollectionLikeType;
import org.javimmutable.collections.JImmutableList;
import org.javimmutable.collections.JImmutableSet;

/**
 * Serializers implementation that creates serializer instances for 
 * JImmutableLst and JImmutableSet.
 */
public class JImmutableSerializers
    extends Serializers.Base
{
    @Override
    public JsonSerializer findCollectionLikeSerializer(SerializationConfig config,
                                                          CollectionLikeType type,
                                                          BeanDescription beanDesc,
                                                          TypeSerializer elementTypeSerializer,
                                                          JsonSerializer elementValueSerializer)
    {
        if (type.isTypeOrSubTypeOf(JImmutableList.class) || type.isTypeOrSubTypeOf(JImmutableSet.class)) {
            return new IterableSerializer(type.getContentType(), false, elementTypeSerializer);
        }
        return super.findCollectionLikeSerializer(config, type, beanDesc, elementTypeSerializer, elementValueSerializer);
    }
}