|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* Interface representing a Value Object of the HTTP Status-Line, as |
|
4
|
|
|
* specified in RFC 2616 and RFC 7231. |
|
5
|
|
|
* |
|
6
|
|
|
* PHP version 5.3 |
|
7
|
|
|
* |
|
8
|
|
|
* @category StatusLine |
|
9
|
|
|
* |
|
10
|
|
|
* @package Teapot |
|
11
|
|
|
* |
|
12
|
|
|
* @author Barney Hanlon <[email protected]> |
|
13
|
|
|
* @copyright 2013-2016 B Hanlon. All rights reserved. |
|
14
|
|
|
* @license MIT http://opensource.org/licenses/MIT |
|
15
|
|
|
* @link https://shrikeh.github.com/teapot |
|
16
|
|
|
*/ |
|
17
|
|
|
namespace Teapot; |
|
18
|
|
|
|
|
19
|
|
|
use Teapot\StatusCodeException\InvalidStatusCodeException; |
|
20
|
|
|
use Psr\Http\Message\ResponseInterface; |
|
21
|
|
|
|
|
22
|
|
|
/** |
|
23
|
|
|
* Interface representing a Value Object of the HTTP Status-Line, as |
|
24
|
|
|
* specified in RFC 2616 and RFC 7231. |
|
25
|
|
|
* |
|
26
|
|
|
* PHP version 5.3 |
|
27
|
|
|
* |
|
28
|
|
|
* @category StatusLine |
|
29
|
|
|
* |
|
30
|
|
|
* @package Teapot |
|
31
|
|
|
* |
|
32
|
|
|
* @author Barney Hanlon <[email protected]> |
|
33
|
|
|
* @copyright 2013-2016 B Hanlon. All rights reserved. |
|
34
|
|
|
* @license MIT http://opensource.org/licenses/MIT |
|
35
|
|
|
* @link https://shrikeh.github.com/teapot |
|
36
|
|
|
*/ |
|
37
|
|
|
class StatusLine |
|
38
|
|
|
{ |
|
39
|
|
|
/** |
|
40
|
|
|
* The actual response code. |
|
41
|
|
|
* |
|
42
|
|
|
* @var integer |
|
43
|
|
|
*/ |
|
44
|
|
|
private $code; |
|
45
|
|
|
|
|
46
|
|
|
/** |
|
47
|
|
|
* The reason phrase. |
|
48
|
|
|
* |
|
49
|
|
|
* @var string |
|
50
|
|
|
*/ |
|
51
|
|
|
private $reason; |
|
52
|
|
|
|
|
53
|
|
|
/** |
|
54
|
|
|
* Constructor. |
|
55
|
|
|
* |
|
56
|
|
|
* @param int $code The response code |
|
57
|
|
|
* @param string $reason The reason phrase |
|
58
|
|
|
*/ |
|
59
|
|
|
final public function __construct($code, $reason) |
|
60
|
|
|
{ |
|
61
|
|
|
$this->setCode($code); |
|
62
|
|
|
$this->reason = $reason; |
|
63
|
|
|
} |
|
64
|
|
|
|
|
65
|
|
|
/** |
|
66
|
|
|
* Return the response code. |
|
67
|
|
|
* |
|
68
|
|
|
* @return int |
|
69
|
|
|
*/ |
|
70
|
|
|
final public function code() |
|
|
|
|
|
|
71
|
|
|
{ |
|
72
|
|
|
return $this->code; |
|
73
|
|
|
} |
|
74
|
|
|
|
|
75
|
|
|
/** |
|
76
|
|
|
* Return the reason phrase |
|
77
|
|
|
* |
|
78
|
|
|
* @return string |
|
79
|
|
|
*/ |
|
80
|
|
|
final public function reason() |
|
81
|
|
|
{ |
|
82
|
|
|
return (string) $this->reason; |
|
83
|
|
|
} |
|
84
|
|
|
|
|
85
|
|
|
/** |
|
86
|
|
|
* Add the status code and reason phrase to a Response. |
|
87
|
|
|
* |
|
88
|
|
|
* @param ResponseInterface $response The response |
|
89
|
|
|
* @return ResponseInterface |
|
90
|
|
|
*/ |
|
91
|
|
|
public function response(ResponseInterface $response) |
|
92
|
|
|
{ |
|
93
|
|
|
return $response->withStatus($this->code(), $this->reason()); |
|
94
|
|
|
} |
|
95
|
|
|
|
|
96
|
|
|
/** |
|
97
|
|
|
* Return the status class of the response code. |
|
98
|
|
|
* |
|
99
|
|
|
* @return int |
|
100
|
|
|
*/ |
|
101
|
|
|
final public function responseClass() |
|
102
|
|
|
{ |
|
103
|
|
|
return (int) floor($this->code / 100); |
|
104
|
|
|
} |
|
105
|
|
|
|
|
106
|
|
|
/** |
|
107
|
|
|
* Helper to establish if the class of the status code |
|
108
|
|
|
* is informational (1xx). |
|
109
|
|
|
* |
|
110
|
|
|
* @return bool |
|
111
|
|
|
*/ |
|
112
|
|
|
final public function isInformational() |
|
113
|
|
|
{ |
|
114
|
|
|
return $this->is(StatusCode::INFORMATIONAL); |
|
115
|
|
|
} |
|
116
|
|
|
|
|
117
|
|
|
/** |
|
118
|
|
|
* Helper to establish if the class of the status code |
|
119
|
|
|
* is successful (2xx). |
|
120
|
|
|
* |
|
121
|
|
|
* @return bool |
|
122
|
|
|
*/ |
|
123
|
|
|
final public function isSuccessful() |
|
124
|
|
|
{ |
|
125
|
|
|
return $this->is(StatusCode::SUCCESSFUL); |
|
126
|
|
|
} |
|
127
|
|
|
|
|
128
|
|
|
/** |
|
129
|
|
|
* Helper to establish if the class of the status code |
|
130
|
|
|
* is redirection (3xx). |
|
131
|
|
|
* |
|
132
|
|
|
* @return bool |
|
133
|
|
|
*/ |
|
134
|
|
|
final public function isRedirection() |
|
135
|
|
|
{ |
|
136
|
|
|
return $this->is(StatusCode::REDIRECTION); |
|
137
|
|
|
} |
|
138
|
|
|
|
|
139
|
|
|
/** |
|
140
|
|
|
* Helper to establish if the class of the status code |
|
141
|
|
|
* is client error (4xx). |
|
142
|
|
|
* |
|
143
|
|
|
* @return bool |
|
144
|
|
|
*/ |
|
145
|
|
|
final public function isClientError() |
|
146
|
|
|
{ |
|
147
|
|
|
return $this->is(StatusCode::CLIENT_ERROR); |
|
148
|
|
|
} |
|
149
|
|
|
|
|
150
|
|
|
/** |
|
151
|
|
|
* Helper to establish if the class of the status code |
|
152
|
|
|
* is server error (5xx). |
|
153
|
|
|
* |
|
154
|
|
|
* @return bool |
|
155
|
|
|
*/ |
|
156
|
|
|
final public function isServerError() |
|
157
|
|
|
{ |
|
158
|
|
|
return $this->is(StatusCode::SERVER_ERROR); |
|
159
|
|
|
} |
|
160
|
|
|
|
|
161
|
|
|
/** |
|
162
|
|
|
* Set the code. Used in constructor to ensure the code meets the |
|
163
|
|
|
* requirements for a status code. |
|
164
|
|
|
* |
|
165
|
|
|
* @param int $code The status code |
|
166
|
|
|
* @throws InvalidStatusCodeException If the status code is invalid |
|
167
|
|
|
*/ |
|
168
|
|
|
private function setCode($code) |
|
169
|
|
|
{ |
|
170
|
|
|
if (!is_numeric($code)) { |
|
171
|
|
|
throw new InvalidStatusCodeException(sprintf( |
|
172
|
|
|
'Status code must be numeric, but received %d', |
|
173
|
|
|
$code |
|
174
|
|
|
)); |
|
175
|
|
|
} |
|
176
|
|
|
$code = (int) $code; |
|
177
|
|
|
|
|
178
|
|
|
if ($code < 100) { |
|
179
|
|
|
throw new InvalidStatusCodeException(sprintf( |
|
180
|
|
|
'Status code must be 100 or greater but code was %d', |
|
181
|
|
|
$code |
|
182
|
|
|
)); |
|
183
|
|
|
} |
|
184
|
|
|
$this->code = $code; |
|
185
|
|
|
} |
|
186
|
|
|
|
|
187
|
|
|
/** |
|
188
|
|
|
* Test whether the response class matches the class passed to it. |
|
189
|
|
|
* |
|
190
|
|
|
* @param int $class The class of the response code |
|
191
|
|
|
* @return bool |
|
192
|
|
|
*/ |
|
193
|
|
|
private function is($class) |
|
|
|
|
|
|
194
|
|
|
{ |
|
195
|
|
|
return ($this->responseClass() === $class); |
|
196
|
|
|
} |
|
197
|
|
|
} |
|
198
|
|
|
|
Even though PHP does not care about the name of your methods, it is generally a good practice to choose method names which can be easily understood by other human readers.