1: <?php
 2: /*
 3:  * Copyright (c) 2015 @trashtoy
 4:  * https://github.com/trashtoy/
 5:  * 
 6:  * Permission is hereby granted, free of charge, to any person obtaining a copy of
 7:  * this software and associated documentation files (the "Software"), to deal in
 8:  * the Software without restriction, including without limitation the rights to use,
 9:  * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
10:  * Software, and to permit persons to whom the Software is furnished to do so,
11:  * subject to the following conditions:
12:  * 
13:  * The above copyright notice and this permission notice shall be included in all
14:  * copies or substantial portions of the Software.
15:  * 
16:  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17:  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
18:  * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
19:  * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
20:  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21:  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22:  */
23: /**
24:  * PHP class file.
25:  * @auhtor trashtoy
26:  * @since  2.2.0
27:  */
28: namespace Peach\Http\Body;
29: 
30: use Peach\Http\BodyRenderer;
31: use Peach\Util\Values;
32: 
33: /**
34:  * 指定された値をそのまま文字列として出力する Renderer です.
35:  * このクラスは, メディアタイプが text/plain である Response だけでなく,
36:  * 画像や ZIP ファイルといった各種バイナリ形式の Response に使われることも想定しています.
37:  */
38: class StringRenderer implements BodyRenderer
39: {
40:     /**
41:      * このクラスはシングルトンです.
42:      */
43:     private function __construct() {}
44:     
45:     /**
46:      * このクラスの唯一のインスタンスを返します.
47:      * 
48:      * @return StringRenderer
49:      * @codeCoverageIgnore
50:      */
51:     public static function getInstance()
52:     {
53:         static $instance = null;
54:         if ($instance === null) {
55:             $instance = new self();
56:         }
57:         return $instance;
58:     }
59:     
60:     /**
61:      * 指定された値を文字列として返します.
62:      * 
63:      * @param  mixed $var 任意の値
64:      * @return string     指定された値の文字列表現
65:      */
66:     public function render($var)
67:     {
68:         return Values::stringValue($var);
69:     }
70: }
71: