1: <?php
2:
3: /*
4: * The MIT License
5: *
6: * Copyright 2017 David Schoenbauer <dschoenbauer@gmail.com>.
7: *
8: * Permission is hereby granted, free of charge, to any person obtaining a copy
9: * of this software and associated documentation files (the "Software"), to deal
10: * in the Software without restriction, including without limitation the rights
11: * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12: * copies of the Software, and to permit persons to whom the Software is
13: * furnished to do so, subject to the following conditions:
14: *
15: * The above copyright notice and this permission notice shall be included in
16: * all copies or substantial portions of the Software.
17: *
18: * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19: * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20: * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21: * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22: * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23: * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24: * THE SOFTWARE.
25: */
26:
27: namespace DSchoenbauer\Exception\Http\ClientError;
28:
29: /**
30: * The server refuses to perform the request using the current protocol but
31: * might be willing to do so after the client upgrades to a different protocol.
32: *
33: * The server MUST send an Upgrade header field in a 426 response to indicate
34: * the required protocol(s)
35: *
36: * @link https://httpstatuses.com/426 Source
37: * @author David Schoenbauer <dschoenbauer@gmail.com>
38: * @since 1.0.0
39: * @todo Add a way to define the upgrade header
40: */
41: class UpgradeRequiredException extends ClientErrorException {
42:
43: public function __construct($message = "") {
44: parent::__construct($message, 426);
45: }
46:
47: }
48: