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<?php |
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/* |
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* This file is part of SwiftMailer. |
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* (c) 2004-2009 Chris Corbyn |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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/** |
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* A basic KeyCache backed by an array. |
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* |
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* @author Chris Corbyn |
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*/ |
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class Swift_KeyCache_ArrayKeyCache implements Swift_KeyCache |
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{ |
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/** |
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* Cache contents. |
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* |
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* @var array |
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*/ |
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private $_contents = array(); |
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/** |
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* An InputStream for cloning. |
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* |
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* @var Swift_KeyCache_KeyCacheInputStream |
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*/ |
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private $_stream; |
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/** |
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* Create a new ArrayKeyCache with the given $stream for cloning to make |
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* InputByteStreams. |
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* |
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* @param Swift_KeyCache_KeyCacheInputStream $stream |
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*/ |
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public function __construct(Swift_KeyCache_KeyCacheInputStream $stream) |
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{ |
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$this->_stream = $stream; |
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} |
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/** |
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* Set a string into the cache under $itemKey for the namespace $nsKey. |
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* |
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* @see MODE_WRITE, MODE_APPEND |
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* |
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* @param string $nsKey |
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* @param string $itemKey |
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* @param string $string |
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* @param int $mode |
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* |
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* @throws Swift_SwiftException |
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*/ |
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public function setString($nsKey, $itemKey, $string, $mode) |
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{ |
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$this->_prepareCache($nsKey); |
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switch ($mode) { |
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case self::MODE_WRITE: |
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$this->_contents[$nsKey][$itemKey] = $string; |
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break; |
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case self::MODE_APPEND: |
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if (!$this->hasKey($nsKey, $itemKey)) { |
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$this->_contents[$nsKey][$itemKey] = ''; |
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} |
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$this->_contents[$nsKey][$itemKey] .= $string; |
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break; |
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default: |
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throw new Swift_SwiftException( |
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'Invalid mode [' . $mode . '] used to set nsKey=' . |
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$nsKey . ', itemKey=' . $itemKey |
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); |
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} |
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} |
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/** |
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* Set a ByteStream into the cache under $itemKey for the namespace $nsKey. |
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* |
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* @see MODE_WRITE, MODE_APPEND |
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* |
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* @param string $nsKey |
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* @param string $itemKey |
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* @param Swift_OutputByteStream $os |
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* @param int $mode |
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* |
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* @throws Swift_SwiftException |
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*/ |
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public function importFromByteStream($nsKey, $itemKey, Swift_OutputByteStream $os, $mode) |
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{ |
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$this->_prepareCache($nsKey); |
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switch ($mode) { |
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case self::MODE_WRITE: |
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$this->clearKey($nsKey, $itemKey); |
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case self::MODE_APPEND: |
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if (!$this->hasKey($nsKey, $itemKey)) { |
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$this->_contents[$nsKey][$itemKey] = ''; |
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} |
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while (false !== $bytes = $os->read(8192)) { |
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$this->_contents[$nsKey][$itemKey] .= $bytes; |
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} |
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break; |
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default: |
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throw new Swift_SwiftException( |
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'Invalid mode [' . $mode . '] used to set nsKey=' . $nsKey . ', itemKey=' . $itemKey |
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); |
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} |
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} |
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/** |
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* Provides a ByteStream which when written to, writes data to $itemKey. |
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* |
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* NOTE: The stream will always write in append mode. |
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* |
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* @param string $nsKey |
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* @param string $itemKey |
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* @param Swift_InputByteStream $writeThrough |
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* |
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* @return Swift_InputByteStream |
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*/ |
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View Code Duplication |
public function getInputByteStream($nsKey, $itemKey, Swift_InputByteStream $writeThrough = null) |
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{ |
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$is = clone $this->_stream; |
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$is->setKeyCache($this); |
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$is->setNsKey($nsKey); |
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$is->setItemKey($itemKey); |
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if (isset($writeThrough)) { |
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$is->setWriteThroughStream($writeThrough); |
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} |
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return $is; |
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} |
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/** |
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* Get data back out of the cache as a string. |
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* |
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* @param string $nsKey |
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* @param string $itemKey |
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* |
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* @return string |
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*/ |
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public function getString($nsKey, $itemKey) |
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{ |
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$this->_prepareCache($nsKey); |
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if ($this->hasKey($nsKey, $itemKey)) { |
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return $this->_contents[$nsKey][$itemKey]; |
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} |
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} |
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/** |
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* Get data back out of the cache as a ByteStream. |
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* |
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* @param string $nsKey |
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* @param string $itemKey |
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* @param Swift_InputByteStream $is to write the data to |
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*/ |
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public function exportToByteStream($nsKey, $itemKey, Swift_InputByteStream $is) |
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{ |
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$this->_prepareCache($nsKey); |
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$is->write($this->getString($nsKey, $itemKey)); |
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} |
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/** |
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* Check if the given $itemKey exists in the namespace $nsKey. |
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* |
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* @param string $nsKey |
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* @param string $itemKey |
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* |
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* @return bool |
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*/ |
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public function hasKey($nsKey, $itemKey) |
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{ |
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$this->_prepareCache($nsKey); |
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return array_key_exists($itemKey, $this->_contents[$nsKey]); |
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} |
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/** |
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* Clear data for $itemKey in the namespace $nsKey if it exists. |
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* |
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* @param string $nsKey |
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* @param string $itemKey |
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*/ |
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public function clearKey($nsKey, $itemKey) |
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{ |
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unset($this->_contents[$nsKey][$itemKey]); |
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} |
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/** |
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* Clear all data in the namespace $nsKey if it exists. |
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* |
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* @param string $nsKey |
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*/ |
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public function clearAll($nsKey) |
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{ |
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unset($this->_contents[$nsKey]); |
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} |
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/** |
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* Initialize the namespace of $nsKey if needed. |
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* |
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* @param string $nsKey |
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*/ |
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private function _prepareCache($nsKey) |
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{ |
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if (!array_key_exists($nsKey, $this->_contents)) { |
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$this->_contents[$nsKey] = array(); |
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} |
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} |
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} |
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You can fix this by adding a namespace to your class:
When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries.