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Urn.class.php
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54 lines (48 loc) · 1.37 KB
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<?php
/***************************************************************************
* Copyright (C) 2007 by Ivan Y. Khvostishkov *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as *
* published by the Free Software Foundation; either version 3 of the *
* License, or (at your option) any later version. *
* *
***************************************************************************/
/**
* URN is an absolute URI without authority part.
*
* @ingroup Net
**/
final class Urn extends GenericUri
{
protected $schemeSpecificPart = null;
protected static $knownSubSchemes = array(
'urn' => 'Urn',
'mailto' => 'Urn',
'news' => 'Urn',
'isbn' => 'Urn',
'tel' => 'Urn',
'fax' => 'Urn',
);
/**
* @return Urn
**/
public static function create()
{
return new self;
}
public static function getKnownSubSchemes()
{
return static::$knownSubSchemes;
}
public function isValid()
{
if (
$this->scheme === null
|| $this->getAuthority() !== null
)
return false;
return parent::isValid();
}
}
?>