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The MongoDB Java Driver uber-artifact, containing mongodb-driver, mongodb-driver-core, and bson

There is a newer version: 3.12.14

/*
 * 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.json;

import org.bson.BsonTimestamp;
import org.bson.internal.UnsignedLongs;

class ExtendedJsonTimestampConverter implements Converter {
    @Override
    public void convert(final BsonTimestamp value, final StrictJsonWriter writer) {
        writer.writeStartObject();
        writer.writeStartObject("$timestamp");
        writer.writeNumber("t", UnsignedLongs.toString(toUnsignedLong(value.getTime())));
        writer.writeNumber("i", UnsignedLongs.toString(toUnsignedLong(value.getInc())));
        writer.writeEndObject();
        writer.writeEndObject();
    }

    // Equivalent to Integer.toUnsignedLong() in Java 8
    private long toUnsignedLong(final int value) {
        return ((long) value) & 0xffffffffL;
    }
}