Username.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\ApacheAuth\UsernameProvider;
 
final readonly class Username implements UsernameInterface
{
    public function __construct(private string $username)
    {
        if (trim($username) === '') {
            throw new \InvalidArgumentException('Username cannot be empty');
        }
    }
 
    public function asString(): string
    {
        return $this->__toString();
    }
 
    public function isEmpty(): bool
    {
        return false;
    }
 
    public function __toString(): string
    {
        return $this->username;
    }
}