[TASK] Backport Flow property mapper
[Packages/TYPO3.CMS.git] / typo3 / sysext / extbase / Classes / Property / TypeConverter / FloatConverter.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 a simple type to a float.
25 *
26 * This is basically done by simply casting it.
27 *
28 * @api
29 */
30 class FloatConverter extends \TYPO3\CMS\Extbase\Property\TypeConverter\AbstractTypeConverter {
31
32 /**
33 * @var array<string>
34 */
35 protected $sourceTypes = array('float', 'integer', 'string');
36
37 /**
38 * @var string
39 */
40 protected $targetType = 'float';
41
42 /**
43 * @var integer
44 */
45 protected $priority = 1;
46
47 /**
48 * Actually convert from $source to $targetType, by doing a typecast.
49 *
50 * @param mixed $source
51 * @param string $targetType
52 * @param array $convertedChildProperties
53 * @param \TYPO3\CMS\Extbase\Property\PropertyMappingConfigurationInterface $configuration
54 * @return float|\TYPO3\CMS\Extbase\Error\Error
55 * @api
56 */
57 public function convertFrom($source, $targetType, array $convertedChildProperties = array(), \TYPO3\CMS\Extbase\Property\PropertyMappingConfigurationInterface $configuration = NULL) {
58 if ($source === NULL || strlen($source) === 0) {
59 return NULL;
60 }
61 // We won't backport the full flavored locale parsing of floats from Flow here
62
63 if (!is_numeric($source)) {
64 return new \TYPO3\CMS\Extbase\Error\Error('"%s" cannot be converted to a float value.', 1332934124, array($source));
65 }
66 return (float) $source;
67 }
68 }
69 ?>