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The Java operations layer for the MongoDB Java Driver. Third parties can ' + 'wrap this layer to provide custom higher-level APIs

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/*
 * 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 com.mongodb.client.model;

import org.bson.BsonDocument;
import org.bson.BsonDocumentWriter;
import org.bson.codecs.Encoder;
import org.bson.codecs.EncoderContext;
import org.bson.codecs.configuration.CodecRegistry;
import org.bson.conversions.Bson;

final class BuildersHelper {

    @SuppressWarnings("unchecked")
    static  void encodeValue(final BsonDocumentWriter writer, final TItem value, final CodecRegistry codecRegistry) {
        if (value == null) {
            writer.writeNull();
        } else if (value instanceof Bson) {
            ((Encoder) codecRegistry.get(BsonDocument.class)).encode(writer,
                                                                     ((Bson) value).toBsonDocument(BsonDocument.class, codecRegistry),
                                                                     EncoderContext.builder().build());
        } else {
            ((Encoder) codecRegistry.get(value.getClass())).encode(writer, value, EncoderContext.builder().build());
        }
    }

    private BuildersHelper() {
    }
}