1: <?php
  2: /**
  3:  * SimplePie
  4:  *
  5:  * A PHP-Based RSS and Atom Feed Framework.
  6:  * Takes the hard work out of managing a complete RSS/Atom solution.
  7:  *
  8:  * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  9:  * All rights reserved.
 10:  *
 11:  * Redistribution and use in source and binary forms, with or without modification, are
 12:  * permitted provided that the following conditions are met:
 13:  *
 14:  *  * Redistributions of source code must retain the above copyright notice, this list of
 15:  *    conditions and the following disclaimer.
 16:  *
 17:  *  * Redistributions in binary form must reproduce the above copyright notice, this list
 18:  *    of conditions and the following disclaimer in the documentation and/or other materials
 19:  *    provided with the distribution.
 20:  *
 21:  *  * Neither the name of the SimplePie Team nor the names of its contributors may be used
 22:  *    to endorse or promote products derived from this software without specific prior
 23:  *    written permission.
 24:  *
 25:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 26:  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 27:  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
 28:  * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 29:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 30:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 31:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 32:  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 33:  * POSSIBILITY OF SUCH DAMAGE.
 34:  *
 35:  * @package SimplePie
 36:  * @version 1.3
 37:  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
 38:  * @author Ryan Parman
 39:  * @author Geoffrey Sneddon
 40:  * @author Ryan McCue
 41:  * @link http://simplepie.org/ SimplePie
 42:  * @license http://www.opensource.org/licenses/bsd-license.php BSD License
 43:  */
 44: 
 45: /**
 46:  * Manages `<media:copyright>` copyright tags as defined in Media RSS
 47:  *
 48:  * Used by {@see SimplePie_Enclosure::get_copyright()}
 49:  *
 50:  * This class can be overloaded with {@see SimplePie::set_copyright_class()}
 51:  *
 52:  * @package SimplePie
 53:  * @subpackage API
 54:  */
 55: class SimplePie_Copyright
 56: {
 57:     /**
 58:      * Copyright URL
 59:      *
 60:      * @var string
 61:      * @see get_url()
 62:      */
 63:     var $url;
 64: 
 65:     /**
 66:      * Attribution
 67:      *
 68:      * @var string
 69:      * @see get_attribution()
 70:      */
 71:     var $label;
 72: 
 73:     /**
 74:      * Constructor, used to input the data
 75:      *
 76:      * For documentation on all the parameters, see the corresponding
 77:      * properties and their accessors
 78:      */
 79:     public function __construct($url = null, $label = null)
 80:     {
 81:         $this->url = $url;
 82:         $this->label = $label;
 83:     }
 84: 
 85:     /**
 86:      * String-ified version
 87:      *
 88:      * @return string
 89:      */
 90:     public function __toString()
 91:     {
 92:         // There is no $this->data here
 93:         return md5(serialize($this));
 94:     }
 95: 
 96:     /**
 97:      * Get the copyright URL
 98:      *
 99:      * @return string|null URL to copyright information
100:      */
101:     public function get_url()
102:     {
103:         if ($this->url !== null)
104:         {
105:             return $this->url;
106:         }
107:         else
108:         {
109:             return null;
110:         }
111:     }
112: 
113:     /**
114:      * Get the attribution text
115:      *
116:      * @return string|null
117:      */
118:     public function get_attribution()
119:     {
120:         if ($this->label !== null)
121:         {
122:             return $this->label;
123:         }
124:         else
125:         {
126:             return null;
127:         }
128:     }
129: }
130: 
131: