comparison vendor/symfony/serializer/Normalizer/DateTimeNormalizer.php @ 0:4c8ae668cc8c

Initial import (non-working)
author Chris Cannam
date Wed, 29 Nov 2017 16:09:58 +0000
parents
children 1fec387a4317
comparison
equal deleted inserted replaced
-1:000000000000 0:4c8ae668cc8c
1 <?php
2
3 /*
4 * This file is part of the Symfony package.
5 *
6 * (c) Fabien Potencier <fabien@symfony.com>
7 *
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
10 */
11
12 namespace Symfony\Component\Serializer\Normalizer;
13
14 use Symfony\Component\Serializer\Exception\InvalidArgumentException;
15 use Symfony\Component\Serializer\Exception\UnexpectedValueException;
16
17 /**
18 * Normalizes an object implementing the {@see \DateTimeInterface} to a date string.
19 * Denormalizes a date string to an instance of {@see \DateTime} or {@see \DateTimeImmutable}.
20 *
21 * @author Kévin Dunglas <dunglas@gmail.com>
22 */
23 class DateTimeNormalizer implements NormalizerInterface, DenormalizerInterface
24 {
25 const FORMAT_KEY = 'datetime_format';
26
27 /**
28 * @var string
29 */
30 private $format;
31
32 /**
33 * @param string $format
34 */
35 public function __construct($format = \DateTime::RFC3339)
36 {
37 $this->format = $format;
38 }
39
40 /**
41 * {@inheritdoc}
42 *
43 * @throws InvalidArgumentException
44 */
45 public function normalize($object, $format = null, array $context = array())
46 {
47 if (!$object instanceof \DateTimeInterface) {
48 throw new InvalidArgumentException('The object must implement the "\DateTimeInterface".');
49 }
50
51 $format = isset($context[self::FORMAT_KEY]) ? $context[self::FORMAT_KEY] : $this->format;
52
53 return $object->format($format);
54 }
55
56 /**
57 * {@inheritdoc}
58 */
59 public function supportsNormalization($data, $format = null)
60 {
61 return $data instanceof \DateTimeInterface;
62 }
63
64 /**
65 * {@inheritdoc}
66 *
67 * @throws UnexpectedValueException
68 */
69 public function denormalize($data, $class, $format = null, array $context = array())
70 {
71 $dateTimeFormat = isset($context[self::FORMAT_KEY]) ? $context[self::FORMAT_KEY] : null;
72
73 if (null !== $dateTimeFormat) {
74 $object = \DateTime::class === $class ? \DateTime::createFromFormat($dateTimeFormat, $data) : \DateTimeImmutable::createFromFormat($dateTimeFormat, $data);
75
76 if (false !== $object) {
77 return $object;
78 }
79
80 $dateTimeErrors = \DateTime::class === $class ? \DateTime::getLastErrors() : \DateTimeImmutable::getLastErrors();
81
82 throw new UnexpectedValueException(sprintf(
83 'Parsing datetime string "%s" using format "%s" resulted in %d errors:'."\n".'%s',
84 $data,
85 $dateTimeFormat,
86 $dateTimeErrors['error_count'],
87 implode("\n", $this->formatDateTimeErrors($dateTimeErrors['errors']))
88 ));
89 }
90
91 try {
92 return \DateTime::class === $class ? new \DateTime($data) : new \DateTimeImmutable($data);
93 } catch (\Exception $e) {
94 throw new UnexpectedValueException($e->getMessage(), $e->getCode(), $e);
95 }
96 }
97
98 /**
99 * {@inheritdoc}
100 */
101 public function supportsDenormalization($data, $type, $format = null)
102 {
103 $supportedTypes = array(
104 \DateTimeInterface::class => true,
105 \DateTimeImmutable::class => true,
106 \DateTime::class => true,
107 );
108
109 return isset($supportedTypes[$type]);
110 }
111
112 /**
113 * Formats datetime errors.
114 *
115 * @param array $errors
116 *
117 * @return string[]
118 */
119 private function formatDateTimeErrors(array $errors)
120 {
121 $formattedErrors = array();
122
123 foreach ($errors as $pos => $message) {
124 $formattedErrors[] = sprintf('at position %d: %s', $pos, $message);
125 }
126
127 return $formattedErrors;
128 }
129 }