Revert "[CLEANUP] Rework/simplify copyright header and remove @package"
[Packages/TYPO3.CMS.git] / typo3 / sysext / extbase / Classes / Property / TypeConverter / ArrayConverter.php
1 <?php
2 namespace TYPO3\CMS\Extbase\Property\TypeConverter;
3
4 /* *
5 * This script belongs to the Extbase framework *
6 * *
7 * It is free software; you can redistribute it and/or modify it under *
8 * the terms of the GNU Lesser General Public License as published by the *
9 * Free Software Foundation, either version 3 of the License, or (at your *
10 * option) any later version. *
11 * *
12 * This script is distributed in the hope that it will be useful, but *
13 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHAN- *
14 * TABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser *
15 * General Public License for more details. *
16 * *
17 * You should have received a copy of the GNU Lesser General Public *
18 * License along with the script. *
19 * If not, see http://www.gnu.org/licenses/lgpl.html *
20 * *
21 * The TYPO3 project - inspiring people to share! *
22 * */
23 /**
24 * Converter which transforms arrays to arrays.
25 *
26 * @api
27 */
28 class ArrayConverter extends \TYPO3\CMS\Extbase\Property\TypeConverter\AbstractTypeConverter {
29
30 /**
31 * @var array<string>
32 */
33 protected $sourceTypes = array('array', 'string');
34
35 /**
36 * @var string
37 */
38 protected $targetType = 'array';
39
40 /**
41 * @var integer
42 */
43 protected $priority = 1;
44
45 /**
46 * We can only convert empty strings to array or array to array.
47 *
48 * @param mixed $source
49 * @param string $targetType
50 * @return boolean
51 */
52 public function canConvertFrom($source, $targetType) {
53 return is_string($source) && $source === '' || is_array($source);
54 }
55
56 /**
57 * Convert from $source to $targetType, a noop if the source is an array.
58 * If it is an empty string it will be converted to an empty array.
59 *
60 * @param string|array $source
61 * @param string $targetType
62 * @param array $convertedChildProperties
63 * @param \TYPO3\CMS\Extbase\Property\PropertyMappingConfigurationInterface $configuration
64 * @return array
65 * @api
66 */
67 public function convertFrom($source, $targetType, array $convertedChildProperties = array(), \TYPO3\CMS\Extbase\Property\PropertyMappingConfigurationInterface $configuration = NULL) {
68 if (is_string($source)) {
69 if ($source === '') {
70 $source = array();
71 }
72 }
73
74 return $source;
75 }
76 }