nifi-registry-core/nifi-registry-framework/src/main/java/org/apache/nifi/registry/security/authorization/file/IdentifierUtil.java

/*
 * 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.nifi.registry.security.authorization.file;

import org.apache.commons.lang3.StringUtils;

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

public final class IdentifierUtil {

    static String getIdentifier(final String seed) {
        if (StringUtils.isBlank(seed)) {
            return null;
        }

        return UUID.nameUUIDFromBytes(seed.getBytes(StandardCharsets.UTF_8)).toString();
    }

    private IdentifierUtil() {}
}