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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.jackrabbit.oak.commons;

import java.nio.charset.StandardCharsets;
import java.util.UUID;

import org.jetbrains.annotations.NotNull;

public final class UUIDUtils {

    private UUIDUtils() {}

    @NotNull
    public static String generateUUID() {
        return UUID.randomUUID().toString();
    }

    @NotNull
    public static String generateUUID(String hint) {
        UUID uuid = UUID.nameUUIDFromBytes(hint.getBytes(StandardCharsets.UTF_8));
        return uuid.toString();
    }

    public static boolean isValidUUID(String uuid) {
        try {
            UUID.fromString(uuid);
            return true;
        } catch (IllegalArgumentException e) {
            return false;
        }
    }
}