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./othercms/elxis_5.3_atlas_rev2452/includes/libraries/swift/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.
 *
 * @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;
    }
}