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• PropertyCodecRegistryImpl.java

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org.bson.codecs.pojo.PropertyCodecRegistryImpl Maven / Gradle / Ivy

/*
 * Copyright 2008-present MongoDB, Inc.
 *
 * 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 org.bson.codecs.pojo;

import org.bson.codecs.Codec;
import org.bson.codecs.configuration.CodecRegistry;

import java.util.ArrayList;
import java.util.List;

class PropertyCodecRegistryImpl implements PropertyCodecRegistry {
    private final List propertyCodecProviders;

    PropertyCodecRegistryImpl(final PojoCodec pojoCodec, final CodecRegistry codecRegistry,
                              final List propertyCodecProviders) {
        List augmentedProviders = new ArrayList();
        if (propertyCodecProviders != null) {
            augmentedProviders.addAll(propertyCodecProviders);
        }
        augmentedProviders.add(new CollectionPropertyCodecProvider());
        augmentedProviders.add(new MapPropertyCodecProvider());
        augmentedProviders.add(new EnumPropertyCodecProvider(codecRegistry));
        augmentedProviders.add(new FallbackPropertyCodecProvider(pojoCodec, codecRegistry));
        this.propertyCodecProviders = augmentedProviders;
    }

    @Override
    public  Codec get(final TypeWithTypeParameters type) {
        for (PropertyCodecProvider propertyCodecProvider : propertyCodecProviders) {
            Codec codec = propertyCodecProvider.get(type, this);
            if (codec != null) {
                return codec;
            }
        }
        return null;
    }
}