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<?php |
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namespace Graze\DataFile\Modify\Compress; |
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use Graze\DataFile\Modify\Exception\InvalidCompressionTypeException; |
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class CompressionFactory |
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{ |
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const TYPE_NONE = 'none'; |
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const TYPE_UNKNOWN = 'unknown'; |
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/** |
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* @var CompressorInterface[] |
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*/ |
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private $compressors; |
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/** |
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* @var DeCompressorInterface[] |
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*/ |
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private $deCompressors; |
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public function __construct() |
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{ |
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// build known compression types |
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$gzip = new Gzip(); |
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$zip = new Zip(); |
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$this->addCompressor($gzip); |
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$this->addCompressor($zip); |
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} |
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/** |
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* @param CompressionTypeInterface $type |
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* |
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* @return static |
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*/ |
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public function addCompressor(CompressionTypeInterface $type) |
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{ |
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if ($type instanceof CompressorInterface) { |
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$this->compressors[$type->getName()] = $type; |
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} |
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if ($type instanceof DeCompressorInterface) { |
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$this->deCompressors[$type->getName()] = $type; |
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} |
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return $this; |
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} |
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/** |
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* Check if the specified $compression is valid or not |
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* |
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* @param string $compression |
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* |
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* @return bool |
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*/ |
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public function isCompression($compression) |
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{ |
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return isset($this->compressors[$compression]); |
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} |
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/** |
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* @param string $compression |
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* |
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* @return CompressorInterface |
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* @throws InvalidCompressionTypeException |
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*/ |
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public function getCompressor($compression) |
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{ |
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if (isset($this->compressors[$compression])) { |
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return $this->compressors[$compression]; |
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} else { |
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throw new InvalidCompressionTypeException($compression); |
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} |
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} |
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/** |
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* @param string $compression |
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* |
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* @return DeCompressorInterface |
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* @throws InvalidCompressionTypeException |
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*/ |
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public function getDeCompressor($compression) |
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{ |
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if (isset($this->deCompressors[$compression])) { |
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return $this->deCompressors[$compression]; |
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} else { |
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throw new InvalidCompressionTypeException($compression); |
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} |
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} |
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} |
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graze /
data-file
