Java UUID Create generateShortUuid()

Here you can find the source of generateShortUuid()

Description

generate Short Uuid

License

Open Source License

Declaration

public static String generateShortUuid() 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.util.UUID;

public class Main {
    private static String[] CHARS = new String[] { "a", "b", "c", "d", "e",
            "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q",
            "r", "s", "t", "u", "v", "w", "x", "y", "z", "0", "1", "2",
            "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E",
            "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q",
            "R", "S", "T", "U", "V", "W", "X", "Y", "Z" };

    public static String generateShortUuid() {
        StringBuilder shortBuilder = new StringBuilder();
        String uuid = UUID.randomUUID().toString().replace("-", "");
        for (int i = 0; i < 8; i++) {
            String str = uuid.substring(i * 4, i * 4 + 4);
            int x = Integer.parseInt(str, 16);
            shortBuilder.append(CHARS[x % 0x3E]);
        }//  w  ww  . j a v a 2 s .  c  o  m
        return shortBuilder.toString();
    }
}

Related

  1. generateRawUUID()
  2. generateRequestId()
  3. generateRequestId()
  4. generateSegmentFileName(String segmentNameStr)
  5. generateSession()
  6. generateSoapMessageId(String messageIdPrefix)
  7. generateToken()
  8. GenerateUniqueID()
  9. generateUniqueID()