Location: PHPKode > projects > GnomePHP > peec-GnomePHP-b5a360b/gnomephp/libs/swiftmailer/classes/Swift/KeyCache/SimpleKeyCacheInputStream.php
<?php

/*
 * This file is part of SwiftMailer.
 * (c) 2004-2009 Chris Corbyn
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */


/**
 * Writes data to a KeyCache using a stream.
 * @package Swift
 * @subpackage KeyCache
 * @author Chris Corbyn
 */
class Swift_KeyCache_SimpleKeyCacheInputStream
  implements Swift_KeyCache_KeyCacheInputStream
{
  
  /** The KeyCache being written to */
  private $_keyCache;
  
  /** The nsKey of the KeyCache being written to */
  private $_nsKey;
  
  /** The itemKey of the KeyCache being written to */
  private $_itemKey;
  
  /** A stream to write through on each write() */
  private $_writeThrough = null;
  
  /**
   * Set the KeyCache to wrap.
   * @param Swift_KeyCache $keyCache
   */
  public function setKeyCache(Swift_KeyCache $keyCache)
  {
    $this->_keyCache = $keyCache;
  }
  
  /**
   * Specify a stream to write through for each write().
   * @param Swift_InputByteStream $is
   */
  public function setWriteThroughStream(Swift_InputByteStream $is)
  {
    $this->_writeThrough = $is;
  }
  
  /**
   * Writes $bytes to the end of the stream.
   * @param string $bytes
   * @param Swift_InputByteStream $is, optional
   */
  public function write($bytes, Swift_InputByteStream $is = null)
  {
    $this->_keyCache->setString(
      $this->_nsKey, $this->_itemKey, $bytes, Swift_KeyCache::MODE_APPEND
      );
    if (isset($is))
    {
      $is->write($bytes);
    }
    if (isset($this->_writeThrough))
    {
      $this->_writeThrough->write($bytes);
    }
  }
  
  /**
   * Not used.
   */
  public function commit()
  {
  }
  
  /**
   * Not used.
   */
  public function bind(Swift_InputByteStream $is)
  {
  }
  
  /**
   * Not used.
   */
  public function unbind(Swift_InputByteStream $is)
  {
  }
  
  /**
   * Flush the contents of the stream (empty it) and set the internal pointer
   * to the beginning.
   */
  public function flushBuffers()
  {
    $this->_keyCache->clearKey($this->_nsKey, $this->_itemKey);
  }
  
  /**
   * Set the nsKey which will be written to.
   * @param string $nsKey
   */
  public function setNsKey($nsKey)
  {
    $this->_nsKey = $nsKey;
  }
  
  /**
   * Set the itemKey which will be written to.
   * @param string $itemKey
   */
  public function setItemKey($itemKey)
  {
    $this->_itemKey = $itemKey;
  }
  
  /**
   * Any implementation should be cloneable, allowing the clone to access a
   * separate $nsKey and $itemKey.
   */
  public function __clone()
  {
    $this->_writeThrough = null;
  }
  
}
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