short-uuid

Short UUID conversion and generation library for Java.

• Can make a UUID shorter in string format (down to 22 characters)

Installation

Maven

<dependency>
    <groupId>co.nlighten</groupId>
    <artifactId>short-uuid</artifactId>
    <version>0.1.1</version>
</dependency>

Gradle

implementation 'co.nlighten:short-uuid:0.1.1'

Usage Example

import co.nlighten.shortuuid.ShortUuid;

public class Main {
    public static void main(String[] args) {
        String a = ShortUuid.random(false /* Use Base36 */);
        System.out.println(a);
        // e.g. "bazl2kp9io74mfdaid40j6xia"
        
        String b = ShortUuid.random(true /* Use Base62 */);
        System.out.println(b);
        // e.g. "2RGPvdeVim1yS4rHlLpN9f"
        
        // You can also convert a UUID to Base64 (URL)
        String c = UuidConverter.toBase64(UUID.randomUUID());
        System.out.println(c);
        
        // Shorten an existing UUID
        String d = UuidConverter.toShortUuid(UUID.randomUUID(), true /* Use Base62 */);
        System.out.println(d);
    }
}

See tests for more examples.

License

Apache License 2.0