1: <?php
 2: /**
 3:  * A decorator to represent a Kolab object attribute that can only be written on
 4:  * object creation and is immutable afterwards.
 5:  *
 6:  * PHP version 5
 7:  *
 8:  * @category Kolab
 9:  * @package  Kolab_Server
10:  * @author   Gunnar Wrobel <wrobel@pardus.de>
11:  * @license  http://www.horde.org/licenses/lgpl21 LGPL 2.1
12:  * @link     http://pear.horde.org/index.php?package=Kolab_Server
13:  */
14: 
15: /**
16:  * A decorator to represent a Kolab object attribute that can only be written on
17:  * object creation and is immutable afterwards.
18:  *
19:  * Copyright 2008-2012 Horde LLC (http://www.horde.org/)
20:  *
21:  * See the enclosed file COPYING for license information (LGPL). If you
22:  * did not receive this file, see http://www.horde.org/licenses/lgpl21.
23:  *
24:  * @category Kolab
25:  * @package  Kolab_Server
26:  * @author   Gunnar Wrobel <wrobel@pardus.de>
27:  * @license  http://www.horde.org/licenses/lgpl21 LGPL 2.1
28:  * @link     http://pear.horde.org/index.php?package=Kolab_Server
29:  */
30: class Horde_Kolab_Server_Object_Attribute_Single
31: extends Horde_Kolab_Server_Object_Attribute_Decorator
32: {
33:     /**
34:      * Return the value of this attribute.
35:      *
36:      * @return array The value(s) of this attribute.
37:      */
38:     public function value()
39:     {
40:         $value = $this->_attribute->value();
41:         if (is_array($value)) {
42:             return array_shift($value);
43:         } else {
44:             return $value;
45:         }
46:     }
47: }