com.hengyi.japp.tools.UuidUtils.java Source code

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Here is the source code for com.hengyi.japp.tools.UuidUtils.java

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package com.hengyi.japp.tools;

import static com.fasterxml.uuid.Generators.timeBasedGenerator;
import java.nio.ByteBuffer;
import java.util.UUID;
import org.apache.commons.codec.binary.Base64;

/**
 *
 * @author jzb
 */
public abstract class UuidUtils {

    public static String uuid() {
        return timeBasedGenerator().generate().toString();
    }

    public static String base64Uuid() {
        return base64Uuid(timeBasedGenerator().generate());
    }

    protected static String base64Uuid(UUID uuid) {
        ByteBuffer bb = ByteBuffer.wrap(new byte[16]);
        bb.putLong(uuid.getMostSignificantBits());
        bb.putLong(uuid.getLeastSignificantBits());
        return Base64.encodeBase64URLSafeString(bb.array());
    }

    public static String encodeBase64Uuid(String uuidString) {
        UUID uuid = UUID.fromString(uuidString);
        return base64Uuid(uuid);
    }

    public static String decodeBase64Uuid(String compressedUuid) {
        byte[] byUuid = Base64.decodeBase64(compressedUuid);
        ByteBuffer bb = ByteBuffer.wrap(byUuid);
        UUID uuid = new UUID(bb.getLong(), bb.getLong());
        return uuid.toString();
    }

    public static String base58Uuid() {
        return base58Uuid(timeBasedGenerator().generate());
    }

    protected static String base58Uuid(UUID uuid) {
        ByteBuffer bb = ByteBuffer.wrap(new byte[16]);
        bb.putLong(uuid.getMostSignificantBits());
        bb.putLong(uuid.getLeastSignificantBits());
        return Base58.encode(bb.array());
    }

    public static String encodeBase58Uuid(String uuidString) {
        UUID uuid = UUID.fromString(uuidString);
        return base58Uuid(uuid);
    }

    public static String decodeBase58Uuid(String base58uuid) {
        byte[] byUuid = Base58.decode(base58uuid);
        ByteBuffer bb = ByteBuffer.wrap(byUuid);
        UUID uuid = new UUID(bb.getLong(), bb.getLong());
        return uuid.toString();
    }
}