Java ID Value Create generateId(String salt)

Description

generate Id

License

Apache License

Declaration

public static String generateId(String salt)
            throws NoSuchAlgorithmException 

Method Source Code

//package com.java2s;
/*//from  w ww.j a va  2  s . com
 * 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.
 */

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class Main {
    public static String generateId(String salt)
            throws NoSuchAlgorithmException {
        return generateId(salt, "MD5");
    }

    public static String generateId(String salt, String algo)
            throws NoSuchAlgorithmException {
        MessageDigest md;
        md = MessageDigest.getInstance(algo);
        md.update(salt.getBytes());
        byte byteData[] = md.digest();

        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < byteData.length; i++) {
            sb.append(Integer.toString((byteData[i] & 0xff) + 0x100, 16)
                    .substring(1));
        }

        return sb.toString();
    }
}

Related

1. generateId()
2. generateId()
3. generateID(final String message)
4. generateID(int seed)
5. generateID(String origin)
6. generateSalt()
7. generateSalt()
8. generateSalt()
9. generateUniqueId()