io.joynr.util.JoynrUtil Maven / Gradle / Ivy

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/*
 * #%L
 * %%
 * Copyright (C) 2011 - 2017 BMW Car IT GmbH
 * %%
 * 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.
 * #L%
 */
package io.joynr.util;

import java.nio.ByteBuffer;
import java.util.Base64;
import java.util.UUID;

public class JoynrUtil {
    private static final Base64.Encoder base64Encoder = Base64.getUrlEncoder().withoutPadding();

    public static String createUuidString() {
        UUID uuid = UUID.randomUUID();
        ByteBuffer uuidBytes = ByteBuffer.wrap(new byte[16]);
        uuidBytes.putLong(uuid.getMostSignificantBits());
        uuidBytes.putLong(uuid.getLeastSignificantBits());
        return base64Encoder.encodeToString(uuidBytes.array());
    }
}