comparison vendor/symfony/http-kernel/HttpCache/SurrogateInterface.php @ 0:4c8ae668cc8c

Initial import (non-working)
author Chris Cannam
date Wed, 29 Nov 2017 16:09:58 +0000
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children 1fec387a4317
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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\HttpKernel\HttpCache;
13
14 use Symfony\Component\HttpFoundation\Request;
15 use Symfony\Component\HttpFoundation\Response;
16
17 interface SurrogateInterface
18 {
19 /**
20 * Returns surrogate name.
21 *
22 * @return string
23 */
24 public function getName();
25
26 /**
27 * Returns a new cache strategy instance.
28 *
29 * @return ResponseCacheStrategyInterface A ResponseCacheStrategyInterface instance
30 */
31 public function createCacheStrategy();
32
33 /**
34 * Checks that at least one surrogate has Surrogate capability.
35 *
36 * @param Request $request A Request instance
37 *
38 * @return bool true if one surrogate has Surrogate capability, false otherwise
39 */
40 public function hasSurrogateCapability(Request $request);
41
42 /**
43 * Adds Surrogate-capability to the given Request.
44 *
45 * @param Request $request A Request instance
46 */
47 public function addSurrogateCapability(Request $request);
48
49 /**
50 * Adds HTTP headers to specify that the Response needs to be parsed for Surrogate.
51 *
52 * This method only adds an Surrogate HTTP header if the Response has some Surrogate tags.
53 *
54 * @param Response $response A Response instance
55 */
56 public function addSurrogateControl(Response $response);
57
58 /**
59 * Checks that the Response needs to be parsed for Surrogate tags.
60 *
61 * @param Response $response A Response instance
62 *
63 * @return bool true if the Response needs to be parsed, false otherwise
64 */
65 public function needsParsing(Response $response);
66
67 /**
68 * Renders a Surrogate tag.
69 *
70 * @param string $uri A URI
71 * @param string $alt An alternate URI
72 * @param bool $ignoreErrors Whether to ignore errors or not
73 * @param string $comment A comment to add as an esi:include tag
74 *
75 * @return string
76 */
77 public function renderIncludeTag($uri, $alt = null, $ignoreErrors = true, $comment = '');
78
79 /**
80 * Replaces a Response Surrogate tags with the included resource content.
81 *
82 * @param Request $request A Request instance
83 * @param Response $response A Response instance
84 *
85 * @return Response
86 */
87 public function process(Request $request, Response $response);
88
89 /**
90 * Handles a Surrogate from the cache.
91 *
92 * @param HttpCache $cache An HttpCache instance
93 * @param string $uri The main URI
94 * @param string $alt An alternative URI
95 * @param bool $ignoreErrors Whether to ignore errors or not
96 *
97 * @return string
98 *
99 * @throws \RuntimeException
100 * @throws \Exception
101 */
102 public function handle(HttpCache $cache, $uri, $alt, $ignoreErrors);
103 }