Urn.class.php

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00001 <?php
00002 /***************************************************************************
00003  *   Copyright (C) 2007 by Ivan Y. Khvostishkov                            *
00004  *                                                                         *
00005  *   This program is free software; you can redistribute it and/or modify  *
00006  *   it under the terms of the GNU Lesser General Public License as        *
00007  *   published by the Free Software Foundation; either version 3 of the    *
00008  *   License, or (at your option) any later version.                       *
00009  *                                                                         *
00010  ***************************************************************************/
00011 /* $Id: Urn.class.php 4687 2007-12-09 18:57:18Z voxus $ */
00012 
00018     final class Urn extends GenericUri
00019     {
00020         protected $schemeSpecificPart   = null;
00021         
00022         protected $knownSubSchemes  = array(
00023             'urn'       => 'Urn',
00024             'mailto'    => 'Urn',
00025             'news'      => 'Urn',
00026             'isbn'      => 'Urn',
00027             'tel'       => 'Urn',
00028             'fax'       => 'Urn',
00029         );
00030         
00034         public static function create()
00035         {
00036             return new self;
00037         }
00038         
00039         public function getKnownSubSchemes()
00040         {
00041             return $this->knownSubSchemes;
00042         }
00043         
00044         public function isValid()
00045         {
00046             if (
00047                 $this->scheme === null
00048                 || $this->getAuthority() !== null
00049             )
00050                 return false;
00051             
00052             return parent::isValid();
00053         }
00054     }
00055 ?>

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