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ParameterNotFoundException.php
01 <?php
02
03 /*
04 * This file is part of the Symfony package.
05 *
06 * (c) Fabien Potencier <fabien@symfony.com>
07 *
08 * For the full copyright and license information, please view the LICENSE
09 * file that was distributed with this source code.
10 */
11
12 namespace Symfony\Component\DependencyInjection\Exception;
13
14 /**
15 * This exception is thrown when a non-existent parameter is used.
16 *
17 * @author Fabien Potencier <fabien@symfony.com>
18 */
19 class ParameterNotFoundException extends InvalidArgumentException
20 {
21 private $key;
22 private $sourceId;
23 private $sourceKey;
24 private $alternatives;
25 private $nonNestedAlternative;
26
27 /**
28 * @param string $key The requested parameter key
29 * @param string $sourceId The service id that references the non-existent parameter
30 * @param string $sourceKey The parameter key that references the non-existent parameter
31 * @param \Exception $previous The previous exception
32 * @param string[] $alternatives Some parameter name alternatives
33 * @param string|null $nonNestedAlternative The alternative parameter name when the user expected dot notation for nested parameters
34 */
35 public function __construct($key, $sourceId = null, $sourceKey = null, \Exception $previous = null, array $alternatives = [], $nonNestedAlternative = null)
36 {
37 $this->key = $key;
38 $this->sourceId = $sourceId;
39 $this->sourceKey = $sourceKey;
40 $this->alternatives = $alternatives;
41 $this->nonNestedAlternative = $nonNestedAlternative;
42
43 parent::__construct('', 0, $previous);
44
45 $this->updateRepr();
46 }
47
48 public function updateRepr()
49 {
50 if (null !== $this->sourceId) {
51 $this->message = sprintf('The service "%s" has a dependency on a non-existent parameter "%s".', $this->sourceId, $this->key);
52 } elseif (null !== $this->sourceKey) {
53 $this->message = sprintf('The parameter "%s" has a dependency on a non-existent parameter "%s".', $this->sourceKey, $this->key);
54 } else {
55 $this->message = sprintf('You have requested a non-existent parameter "%s".', $this->key);
56 }
57
58 if ($this->alternatives) {
59 if (1 == \count($this->alternatives)) {
60 $this->message .= ' Did you mean this: "';
61 } else {
62 $this->message .= ' Did you mean one of these: "';
63 }
64 $this->message .= implode('", "', $this->alternatives).'"?';
65 } elseif (null !== $this->nonNestedAlternative) {
66 $this->message .= ' You cannot access nested array items, do you want to inject "'.$this->nonNestedAlternative.'" instead?';
67 }
68 }
69
70 public function getKey()
71 {
72 return $this->key;
73 }
74
75 public function getSourceId()
76 {
77 return $this->sourceId;
78 }
79
80 public function getSourceKey()
81 {
82 return $this->sourceKey;
83 }
84
85 public function setSourceId($sourceId)
86 {
87 $this->sourceId = $sourceId;
88
89 $this->updateRepr();
90 }
91
92 public function setSourceKey($sourceKey)
93 {
94 $this->sourceKey = $sourceKey;
95
96 $this->updateRepr();
97 }
98 }
99