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 1.3.1
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