Thursday, February 22, 2018

Validating a Domain Name using Commons-Validator

A quick example of using DomainValidator to validate a domain name.
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package com.bluelotussoftware.dns;
 
import org.apache.commons.validator.routines.DomainValidator;
 
/**
 *
 * @author John Yeary <jyeary@bluelotussoftware.com>
 * @version 1.0.0
 */
public class Main {
 
    public static void main(String[] args) {
        DomainValidator domainValidator = DomainValidator.getInstance();
        for (String domainname : args) {
            System.out.println("Domain name " + domainname + (domainValidator.isValid(domainname) ? " is valid." : " is not valid."));
        }
    }
}

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