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115 | office | 1 | <?php |
2 | |||
3 | /* |
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4 | * This file is part of Alchemy\BinaryDriver. |
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5 | * |
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6 | * (c) Alchemy <info@alchemy.fr> |
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7 | * |
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8 | * For the full copyright and license information, please view the LICENSE |
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9 | * file that was distributed with this source code. |
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10 | */ |
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11 | |||
12 | namespace Alchemy\BinaryDriver; |
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13 | |||
14 | use Alchemy\BinaryDriver\Exception\InvalidArgumentException; |
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15 | use Symfony\Component\Process\ProcessBuilder; |
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16 | |||
17 | class ProcessBuilderFactory implements ProcessBuilderFactoryInterface |
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18 | { |
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19 | /** |
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20 | * The binary path |
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21 | * |
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22 | * @var String |
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23 | */ |
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24 | protected $binary; |
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25 | |||
26 | /** |
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27 | * The timeout for the generated processes |
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28 | * |
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29 | * @var integer|float |
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30 | */ |
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31 | private $timeout; |
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32 | |||
33 | /** |
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34 | * An internal ProcessBuilder. |
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35 | * |
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36 | * Note that this one is used only if Symfony ProcessBuilder has method |
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37 | * setPrefix (2.3) |
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38 | * |
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39 | * @var ProcessBuilder |
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40 | */ |
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41 | private $builder; |
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42 | |||
43 | /** |
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44 | * Tells whether Symfony LTS ProcessBuilder should be emulated or not. |
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45 | * |
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46 | * This symfony version provided a brand new ::setPrefix method. |
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47 | * |
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48 | * @var Boolean |
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49 | */ |
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50 | public static $emulateSfLTS; |
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51 | |||
52 | /** |
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53 | * Constructor |
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54 | * |
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55 | * @param String $binary The path to the binary |
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56 | * |
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57 | * @throws InvalidArgumentException In case binary path is invalid |
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58 | */ |
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59 | public function __construct($binary) |
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60 | { |
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61 | $this->detectEmulation(); |
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62 | |||
63 | if (!self::$emulateSfLTS) { |
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64 | $this->builder = new ProcessBuilder(); |
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65 | } |
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66 | |||
67 | $this->useBinary($binary); |
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68 | } |
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69 | |||
70 | /** |
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71 | * Covenient method for unit testing |
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72 | * |
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73 | * @return type |
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74 | */ |
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75 | public function getBuilder() |
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76 | { |
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77 | return $this->builder; |
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78 | } |
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79 | |||
80 | /** |
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81 | * Covenient method for unit testing |
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82 | * |
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83 | * @param ProcessBuilder $builder |
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84 | * @return ProcessBuilderFactory |
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85 | */ |
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86 | public function setBuilder(ProcessBuilder $builder) |
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87 | { |
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88 | $this->builder = $builder; |
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89 | |||
90 | return $this; |
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91 | } |
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92 | |||
93 | /** |
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94 | * @inheritdoc |
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95 | */ |
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96 | public function getBinary() |
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97 | { |
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98 | return $this->binary; |
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99 | } |
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100 | |||
101 | /** |
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102 | * @inheritdoc |
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103 | */ |
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104 | public function useBinary($binary) |
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105 | { |
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106 | if (!is_executable($binary)) { |
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107 | throw new InvalidArgumentException(sprintf('`%s` is not an executable binary', $binary)); |
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108 | } |
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109 | |||
110 | $this->binary = $binary; |
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111 | |||
112 | if (!static::$emulateSfLTS) { |
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113 | $this->builder->setPrefix($binary); |
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114 | } |
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115 | |||
116 | return $this; |
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117 | } |
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118 | |||
119 | /** |
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120 | * @inheritdoc |
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121 | */ |
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122 | public function setTimeout($timeout) |
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123 | { |
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124 | $this->timeout = $timeout; |
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125 | |||
126 | if (!static::$emulateSfLTS) { |
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127 | $this->builder->setTimeout($this->timeout); |
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128 | } |
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129 | |||
130 | return $this; |
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131 | } |
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132 | |||
133 | /** |
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134 | * @inheritdoc |
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135 | */ |
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136 | public function getTimeout() |
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137 | { |
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138 | return $this->timeout; |
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139 | } |
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140 | |||
141 | /** |
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142 | * @inheritdoc |
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143 | */ |
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144 | public function create($arguments = array()) |
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145 | { |
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146 | if (null === $this->binary) { |
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147 | throw new InvalidArgumentException('No binary set'); |
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148 | } |
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149 | |||
150 | if (!is_array($arguments)) { |
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151 | $arguments = array($arguments); |
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152 | } |
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153 | |||
154 | if (static::$emulateSfLTS) { |
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155 | array_unshift($arguments, $this->binary); |
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156 | |||
157 | return ProcessBuilder::create($arguments) |
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158 | ->setTimeout($this->timeout) |
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159 | ->getProcess(); |
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160 | } else { |
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161 | return $this->builder |
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162 | ->setArguments($arguments) |
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163 | ->getProcess(); |
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164 | } |
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165 | } |
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166 | |||
167 | private function detectEmulation() |
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168 | { |
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169 | if (null !== static::$emulateSfLTS) { |
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170 | return $this; |
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171 | } |
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172 | |||
173 | static::$emulateSfLTS = !method_exists('Symfony\Component\Process\ProcessBuilder', 'setPrefix'); |
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174 | |||
175 | return $this; |
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176 | } |
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177 | } |