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- 27.10.2014
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RedirectResponse.php
001 <?php
002
003 /*
004 * This file is part of the Symfony package.
005 *
006 * (c) Fabien Potencier <fabien@symfony.com>
007 *
008 * For the full copyright and license information, please view the LICENSE
009 * file that was distributed with this source code.
010 */
011
012 namespace Symfony\Component\HttpFoundation;
013
014 /**
015 * RedirectResponse represents an HTTP response doing a redirect.
016 *
017 * @author Fabien Potencier <fabien@symfony.com>
018 *
019 * @api
020 */
021 class RedirectResponse extends Response
022 {
023 protected $targetUrl;
024
025 /**
026 * Creates a redirect response so that it conforms to the rules defined for a redirect status code.
027 *
028 * @param string $url The URL to redirect to
029 * @param int $status The status code (302 by default)
030 * @param array $headers The headers (Location is always set to the given URL)
031 *
032 * @throws \InvalidArgumentException
033 *
034 * @see http://tools.ietf.org/html/rfc2616#section-10.3
035 *
036 * @api
037 */
038 public function __construct($url, $status = 302, $headers = array())
039 {
040 if (empty($url)) {
041 throw new \InvalidArgumentException('Cannot redirect to an empty URL.');
042 }
043
044 parent::__construct('', $status, $headers);
045
046 $this->setTargetUrl($url);
047
048 if (!$this->isRedirect()) {
049 throw new \InvalidArgumentException(sprintf('The HTTP status code is not a redirect ("%s" given).', $status));
050 }
051 }
052
053 /**
054 * {@inheritdoc}
055 */
056 public static function create($url = '', $status = 302, $headers = array())
057 {
058 return new static($url, $status, $headers);
059 }
060
061 /**
062 * Returns the target URL.
063 *
064 * @return string target URL
065 */
066 public function getTargetUrl()
067 {
068 return $this->targetUrl;
069 }
070
071 /**
072 * Sets the redirect target of this response.
073 *
074 * @param string $url The URL to redirect to
075 *
076 * @return RedirectResponse The current response.
077 *
078 * @throws \InvalidArgumentException
079 */
080 public function setTargetUrl($url)
081 {
082 if (empty($url)) {
083 throw new \InvalidArgumentException('Cannot redirect to an empty URL.');
084 }
085
086 $this->targetUrl = $url;
087
088 $this->setContent(
089 sprintf('<!DOCTYPE html>
090 <html>
091 <head>
092 <meta charset="UTF-8" />
093 <meta http-equiv="refresh" content="1;url=%1$s" />
094
095 <title>Redirecting to %1$s</title>
096 </head>
097 <body>
098 Redirecting to <a href="%1$s">%1$s</a>.
099 </body>
100 </html>', htmlspecialchars($url, ENT_QUOTES, 'UTF-8')));
101
102 $this->headers->set('Location', $url);
103
104 return $this;
105 }
106 }
107