Awesome

ISBN core

ISBN core is a small library that contains a representation object of ISBN-10 and ISBN-13 and tools to parse, validate and format one.

• Java 1.5+
• OSGi compatible
• GraalVM compatible

<dependency>
    <groupId>com.github.ladutsko</groupId>
    <artifactId>isbn-core</artifactId>
    <version>1.5.3</version>
</dependency>

implementation 'com.github.ladutsko:isbn-core:1.5.3'

Quick start

import com.github.ladutsko.isbn.ISBN;
import com.github.ladutsko.isbn.ISBNException;
import com.github.ladutsko.isbn.ISBNFormat;

class HelloWorld {
    public static void main(String[] args) {
        try {
            ISBN isbn = ISBN.parseIsbn("0131872486"); // or 978-0131872486
            // Valid isbn string
            ISBNFormat format = new ISBNFormat();
            System.out.println(format.format(isbn.getIsbn10())); // output: 0-13-187248-6
            System.out.println(format.format(isbn.getIsbn13())); // output: 978-0-13-187248-6
        } catch (ISBNException e) {
            // Invalid isbn string
            e.printStackTrace(); // Reason
        }
    }
}