/*
* 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
*
* 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.streams.util;
import com.google.common.hash.Hashing;
import org.apache.commons.lang3.StringUtils;
import java.nio.charset.Charset;
import java.util.Arrays;
import java.util.Objects;
/**
* GuidUtils contains methods for generating guids from identifiers.
*/
public class GuidUtils {
private static final Charset UTF8_CHARSET = Charset.forName("UTF-8");
/**
* generateGuid from list of parts.
* @param parts list of parts
* @return guid
*/
public static String generateGuid(String... parts) {
StringBuilder seed = new StringBuilder();
for ( String part : parts ) {
Objects.requireNonNull(part);
if(StringUtils.isNotBlank(part)) {
seed.append(part);
}
}
return Arrays.toString(Hashing.goodFastHash(24).hashString(seed, UTF8_CHARSET).asBytes());
}
}