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<?php |
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/** |
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* This file is part of the stream package |
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* |
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* @author Daniel Schröder <[email protected]> |
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*/ |
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namespace GravityMedia\Stream\Reader; |
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use GravityMedia\Stream\Exception; |
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use GravityMedia\Stream\StreamInterface; |
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/** |
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* String reader |
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* |
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* @package GravityMedia\Stream\Reader |
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*/ |
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class StringReader |
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{ |
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/** |
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* @var StreamInterface |
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*/ |
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protected $stream; |
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/** |
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* @var int |
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*/ |
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protected $length; |
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/** |
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* Get stream |
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* |
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* @throws Exception\BadMethodCallException An exception will be thrown when the stream was not set |
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* |
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* @return StreamInterface |
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*/ |
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public function getStream() |
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{ |
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if (null === $this->stream) { |
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throw new Exception\BadMethodCallException('Stream not set'); |
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} |
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return $this->stream; |
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} |
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/** |
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* Set stream |
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* |
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* @param StreamInterface $stream |
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* |
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* @throws Exception\BadMethodCallException An exception will be thrown for non-readable streams |
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* |
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* @return $this |
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*/ |
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public function setStream(StreamInterface $stream) |
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{ |
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if (!$stream->isReadable()) { |
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throw new Exception\BadMethodCallException('Stream not readable'); |
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} |
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$this->stream = $stream; |
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return $this; |
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} |
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/** |
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* Get length |
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* |
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* @throws Exception\BadMethodCallException An exception will be thrown when the length was not set |
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* |
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* @return int |
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*/ |
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public function getLength() |
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{ |
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if (null === $this->length) { |
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throw new Exception\BadMethodCallException('Length not set'); |
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} |
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return $this->length; |
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} |
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/** |
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* Set length |
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* |
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* @param int $length |
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* |
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* @return $this |
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*/ |
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public function setLength($length) |
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{ |
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$this->length = $length; |
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return $this; |
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} |
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/** |
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* Read string data from the stream |
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* |
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* @throws Exception\BadMethodCallException An exception will be thrown when the stream or length was not set |
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* @throws Exception\IOException An exception will be thrown for invalid stream resources or when the |
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* data could not be read |
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* |
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* @return string |
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*/ |
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3 |
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public function read() |
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{ |
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$length = $this->getLength(); |
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$stream = $this->getStream(); |
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return $stream->read($length); |
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} |
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} |
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GravityMedia /
Stream
