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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.internal.operation;

import com.mongodb.lang.Nullable;
import org.bson.BsonBoolean;
import org.bson.BsonDocument;
import org.bson.BsonInt32;
import org.bson.BsonInt64;
import org.bson.BsonString;
import org.bson.BsonValue;

final class DocumentHelper {

    private DocumentHelper() {
    }

    static void putIfTrue(final BsonDocument command, final String key, final boolean condition) {
        if (condition) {
            command.put(key, BsonBoolean.TRUE);
        }
    }

    static void putIfFalse(final BsonDocument command, final String key, final boolean condition) {
        if (!condition) {
            command.put(key, BsonBoolean.FALSE);
        }
    }

    static void putIfNotNullOrEmpty(final BsonDocument command, final String key, @Nullable final BsonDocument documentValue) {
        if (documentValue != null && !documentValue.isEmpty()) {
            command.put(key, documentValue);
        }
    }

    static void putIfNotNull(final BsonDocument command, final String key, @Nullable final BsonValue value) {
        if (value != null) {
            command.put(key, value);
        }
    }

    static void putIfNotNull(final BsonDocument command, final String key, @Nullable final String value) {
        if (value != null) {
            command.put(key, new BsonString(value));
        }
    }

    static void putIfNotZero(final BsonDocument command, final String key, final int value) {
        if (value != 0) {
            command.put(key, new BsonInt32(value));
        }
    }

    static void putIfNotZero(final BsonDocument command, final String key, final long value) {
        if (value != 0) {
            command.put(key, new BsonInt64(value));
        }
    }
}