From 232aa1924c8c0f10d87b210b46c9f061af5c844c Mon Sep 17 00:00:00 2001
From: Antonio Gallo <tonicucoz@gmail.com>
Date: Sun, 17 Oct 2010 13:29:57 +0000
Subject: added files

---
 .../lib/classes/Swift/KeyCache/ArrayKeyCache.php   | 209 ++++++++++++++
 .../lib/classes/Swift/KeyCache/DiskKeyCache.php    | 316 +++++++++++++++++++++
 .../classes/Swift/KeyCache/KeyCacheInputStream.php |  53 ++++
 .../lib/classes/Swift/KeyCache/NullKeyCache.php    | 110 +++++++
 .../Swift/KeyCache/SimpleKeyCacheInputStream.php   | 131 +++++++++
 5 files changed, 819 insertions(+)
 create mode 100644 h-source/External/swiftmailer/lib/classes/Swift/KeyCache/ArrayKeyCache.php
 create mode 100644 h-source/External/swiftmailer/lib/classes/Swift/KeyCache/DiskKeyCache.php
 create mode 100644 h-source/External/swiftmailer/lib/classes/Swift/KeyCache/KeyCacheInputStream.php
 create mode 100644 h-source/External/swiftmailer/lib/classes/Swift/KeyCache/NullKeyCache.php
 create mode 100644 h-source/External/swiftmailer/lib/classes/Swift/KeyCache/SimpleKeyCacheInputStream.php

(limited to 'h-source/External/swiftmailer/lib/classes/Swift/KeyCache')

diff --git a/h-source/External/swiftmailer/lib/classes/Swift/KeyCache/ArrayKeyCache.php b/h-source/External/swiftmailer/lib/classes/Swift/KeyCache/ArrayKeyCache.php
new file mode 100644
index 0000000..fe3b7c9
--- /dev/null
+++ b/h-source/External/swiftmailer/lib/classes/Swift/KeyCache/ArrayKeyCache.php
@@ -0,0 +1,209 @@
+<?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.
+ */
+
+//@require 'Swift/KeyCache.php';
+//@require 'Swift/KeyCacheInputStream.php';
+//@require 'Swift/InputByteStream.php';
+//@require 'Swift/OutputByteStrean.php';
+//@require 'Swift/SwiftException.php';
+
+/**
+ * A basic KeyCache backed by an array.
+ * @package Swift
+ * @subpackage KeyCache
+ * @author Chris Corbyn
+ */
+class Swift_KeyCache_ArrayKeyCache implements Swift_KeyCache
+{
+  
+  /**
+   * Cache contents.
+   * @var array
+   * @access private
+   */
+  private $_contents = array();
+  
+  /**
+   * An InputStream for cloning.
+   * @var Swift_KeyCache_KeyCacheInputStream
+   * @access private
+   */
+  private $_stream;
+  
+  /**
+   * Create a new ArrayKeyCache with the given $stream for cloning to make
+   * InputByteStreams.
+   * @param Swift_KeyCache_KeyCacheInputStream $stream
+   */
+  public function __construct(Swift_KeyCache_KeyCacheInputStream $stream)
+  {
+    $this->_stream = $stream;
+  }
+  
+  /**
+   * Set a string into the cache under $itemKey for the namespace $nsKey.
+   * @param string $nsKey
+   * @param string $itemKey
+   * @param string $string
+   * @param int $mode
+   * @see MODE_WRITE, MODE_APPEND
+   */
+  public function setString($nsKey, $itemKey, $string, $mode)
+  {
+    $this->_prepareCache($nsKey);
+    switch ($mode)
+    {
+      case self::MODE_WRITE:
+        $this->_contents[$nsKey][$itemKey] = $string;
+        break;
+      case self::MODE_APPEND:
+        if (!$this->hasKey($nsKey, $itemKey))
+        {
+          $this->_contents[$nsKey][$itemKey] = '';
+        }
+        $this->_contents[$nsKey][$itemKey] .= $string;
+        break;
+      default:
+        throw new Swift_SwiftException(
+          'Invalid mode [' . $mode . '] used to set nsKey='.
+          $nsKey . ', itemKey=' . $itemKey
+          );
+    }
+  }
+  
+  /**
+   * Set a ByteStream into the cache under $itemKey for the namespace $nsKey.
+   * @param string $nsKey
+   * @param string $itemKey
+   * @param Swift_OutputByteStream $os
+   * @param int $mode
+   * @see MODE_WRITE, MODE_APPEND
+   */
+  public function importFromByteStream($nsKey, $itemKey, Swift_OutputByteStream $os,
+    $mode)
+  {
+    $this->_prepareCache($nsKey);
+    switch ($mode)
+    {
+      case self::MODE_WRITE:
+        $this->clearKey($nsKey, $itemKey);
+      case self::MODE_APPEND:
+        if (!$this->hasKey($nsKey, $itemKey))
+        {
+          $this->_contents[$nsKey][$itemKey] = '';
+        }
+        while (false !== $bytes = $os->read(8192))
+        {
+          $this->_contents[$nsKey][$itemKey] .= $bytes;
+        }
+        break;
+      default:
+        throw new Swift_SwiftException(
+          'Invalid mode [' . $mode . '] used to set nsKey='.
+          $nsKey . ', itemKey=' . $itemKey
+          );
+    }
+  }
+  
+  /**
+   * Provides a ByteStream which when written to, writes data to $itemKey.
+   * NOTE: The stream will always write in append mode.
+   * @param string $nsKey
+   * @param string $itemKey
+   * @return Swift_InputByteStream
+   */
+  public function getInputByteStream($nsKey, $itemKey,
+    Swift_InputByteStream $writeThrough = null)
+  {
+    $is = clone $this->_stream;
+    $is->setKeyCache($this);
+    $is->setNsKey($nsKey);
+    $is->setItemKey($itemKey);
+    if (isset($writeThrough))
+    {
+      $is->setWriteThroughStream($writeThrough);
+    }
+    return $is;
+  }
+  
+  /**
+   * Get data back out of the cache as a string.
+   * @param string $nsKey
+   * @param string $itemKey
+   * @return string
+   */
+  public function getString($nsKey, $itemKey)
+  {
+    $this->_prepareCache($nsKey);
+    if ($this->hasKey($nsKey, $itemKey))
+    {
+      return $this->_contents[$nsKey][$itemKey];
+    }
+  }
+  
+  /**
+   * Get data back out of the cache as a ByteStream.
+   * @param string $nsKey
+   * @param string $itemKey
+   * @param Swift_InputByteStream $is to write the data to
+   */
+  public function exportToByteStream($nsKey, $itemKey, Swift_InputByteStream $is)
+  {
+    $this->_prepareCache($nsKey);
+    $is->write($this->getString($nsKey, $itemKey));
+  }
+  
+  /**
+   * Check if the given $itemKey exists in the namespace $nsKey.
+   * @param string $nsKey
+   * @param string $itemKey
+   * @return boolean
+   */
+  public function hasKey($nsKey, $itemKey)
+  {
+    $this->_prepareCache($nsKey);
+    return array_key_exists($itemKey, $this->_contents[$nsKey]);
+  }
+  
+  /**
+   * Clear data for $itemKey in the namespace $nsKey if it exists.
+   * @param string $nsKey
+   * @param string $itemKey
+   */
+  public function clearKey($nsKey, $itemKey)
+  {
+    unset($this->_contents[$nsKey][$itemKey]);
+  }
+  
+  /**
+   * Clear all data in the namespace $nsKey if it exists.
+   * @param string $nsKey
+   */
+  public function clearAll($nsKey)
+  {
+    unset($this->_contents[$nsKey]);
+  }
+  
+  // -- Private methods
+  
+  /**
+   * Initialize the namespace of $nsKey if needed.
+   * @param string $nsKey
+   * @access private
+   */
+  private function _prepareCache($nsKey)
+  {
+    if (!array_key_exists($nsKey, $this->_contents))
+    {
+      $this->_contents[$nsKey] = array();
+    }
+  }
+  
+}
diff --git a/h-source/External/swiftmailer/lib/classes/Swift/KeyCache/DiskKeyCache.php b/h-source/External/swiftmailer/lib/classes/Swift/KeyCache/DiskKeyCache.php
new file mode 100644
index 0000000..599fd6c
--- /dev/null
+++ b/h-source/External/swiftmailer/lib/classes/Swift/KeyCache/DiskKeyCache.php
@@ -0,0 +1,316 @@
+<?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.
+ */
+
+//@require 'Swift/KeyCache.php';
+//@require 'Swift/KeyCacheInputStream.php';
+//@require 'Swift/InputByteStream.php';
+//@require 'Swift/OutputByteStrean.php';
+//@require 'Swift/SwiftException.php';
+//@require 'Swift/IoException.php';
+
+/**
+ * A KeyCache which streams to and from disk.
+ * @package Swift
+ * @subpackage KeyCache
+ * @author Chris Corbyn
+ */
+class Swift_KeyCache_DiskKeyCache implements Swift_KeyCache
+{
+
+  /** Signal to place pointer at start of file */
+  const POSITION_START = 0;
+
+  /** Signal to place pointer at end of file */
+  const POSITION_END = 1;
+
+  /**
+   * An InputStream for cloning.
+   * @var Swift_KeyCache_KeyCacheInputStream
+   * @access private
+   */
+  private $_stream;
+
+  /**
+   * A path to write to.
+   * @var string
+   * @access private
+   */
+  private $_path;
+
+  /**
+   * Stored keys.
+   * @var array
+   * @access private
+   */
+  private $_keys = array();
+
+  /**
+   * Will be true if magic_quotes_runtime is turned on.
+   * @var boolean
+   * @access private
+   */
+  private $_quotes = false;
+
+  /**
+   * Create a new DiskKeyCache with the given $stream for cloning to make
+   * InputByteStreams, and the given $path to save to.
+   * @param Swift_KeyCache_KeyCacheInputStream $stream
+   * @param string $path to save to
+   */
+  public function __construct(Swift_KeyCache_KeyCacheInputStream $stream, $path)
+  {
+    $this->_stream = $stream;
+    $this->_path = $path;
+    $this->_quotes = get_magic_quotes_runtime();
+  }
+
+  /**
+   * Set a string into the cache under $itemKey for the namespace $nsKey.
+   * @param string $nsKey
+   * @param string $itemKey
+   * @param string $string
+   * @param int $mode
+   * @throws Swift_IoException
+   * @see MODE_WRITE, MODE_APPEND
+   */
+  public function setString($nsKey, $itemKey, $string, $mode)
+  {
+    $this->_prepareCache($nsKey);
+    switch ($mode)
+    {
+      case self::MODE_WRITE:
+        $fp = $this->_getHandle($nsKey, $itemKey, self::POSITION_START);
+        break;
+      case self::MODE_APPEND:
+        $fp = $this->_getHandle($nsKey, $itemKey, self::POSITION_END);
+        break;
+      default:
+        throw new Swift_SwiftException(
+          'Invalid mode [' . $mode . '] used to set nsKey='.
+          $nsKey . ', itemKey=' . $itemKey
+          );
+        break;
+    }
+    fwrite($fp, $string);
+  }
+
+  /**
+   * Set a ByteStream into the cache under $itemKey for the namespace $nsKey.
+   * @param string $nsKey
+   * @param string $itemKey
+   * @param Swift_OutputByteStream $os
+   * @param int $mode
+   * @see MODE_WRITE, MODE_APPEND
+   * @throws Swift_IoException
+   */
+  public function importFromByteStream($nsKey, $itemKey, Swift_OutputByteStream $os,
+    $mode)
+  {
+    $this->_prepareCache($nsKey);
+    switch ($mode)
+    {
+      case self::MODE_WRITE:
+        $fp = $this->_getHandle($nsKey, $itemKey, self::POSITION_START);
+        break;
+      case self::MODE_APPEND:
+        $fp = $this->_getHandle($nsKey, $itemKey, self::POSITION_END);
+        break;
+      default:
+        throw new Swift_SwiftException(
+          'Invalid mode [' . $mode . '] used to set nsKey='.
+          $nsKey . ', itemKey=' . $itemKey
+          );
+        break;
+    }
+    while (false !== $bytes = $os->read(8192))
+    {
+      fwrite($fp, $bytes);
+    }
+  }
+
+  /**
+   * Provides a ByteStream which when written to, writes data to $itemKey.
+   * NOTE: The stream will always write in append mode.
+   * @param string $nsKey
+   * @param string $itemKey
+   * @return Swift_InputByteStream
+   */
+  public function getInputByteStream($nsKey, $itemKey,
+    Swift_InputByteStream $writeThrough = null)
+  {
+    $is = clone $this->_stream;
+    $is->setKeyCache($this);
+    $is->setNsKey($nsKey);
+    $is->setItemKey($itemKey);
+    if (isset($writeThrough))
+    {
+      $is->setWriteThroughStream($writeThrough);
+    }
+    return $is;
+  }
+
+  /**
+   * Get data back out of the cache as a string.
+   * @param string $nsKey
+   * @param string $itemKey
+   * @return string
+   * @throws Swift_IoException
+   */
+  public function getString($nsKey, $itemKey)
+  {
+    $this->_prepareCache($nsKey);
+    if ($this->hasKey($nsKey, $itemKey))
+    {
+      $fp = $this->_getHandle($nsKey, $itemKey, self::POSITION_START);
+      if ($this->_quotes)
+      {
+        set_magic_quotes_runtime(0);
+      }
+      $str = '';
+      while (!feof($fp) && false !== $bytes = fread($fp, 8192))
+      {
+        $str .= $bytes;
+      }
+      if ($this->_quotes)
+      {
+        set_magic_quotes_runtime(1);
+      }
+      return $str;
+    }
+  }
+
+  /**
+   * Get data back out of the cache as a ByteStream.
+   * @param string $nsKey
+   * @param string $itemKey
+   * @param Swift_InputByteStream $is to write the data to
+   */
+  public function exportToByteStream($nsKey, $itemKey, Swift_InputByteStream $is)
+  {
+    if ($this->hasKey($nsKey, $itemKey))
+    {
+      $fp = $this->_getHandle($nsKey, $itemKey, self::POSITION_START);
+      if ($this->_quotes)
+      {
+        set_magic_quotes_runtime(0);
+      }
+      while (!feof($fp) && false !== $bytes = fread($fp, 8192))
+      {
+        $is->write($bytes);
+      }
+      if ($this->_quotes)
+      {
+        set_magic_quotes_runtime(1);
+      }
+    }
+  }
+
+  /**
+   * Check if the given $itemKey exists in the namespace $nsKey.
+   * @param string $nsKey
+   * @param string $itemKey
+   * @return boolean
+   */
+  public function hasKey($nsKey, $itemKey)
+  {
+    return is_file($this->_path . '/' . $nsKey . '/' . $itemKey);
+  }
+
+  /**
+   * Clear data for $itemKey in the namespace $nsKey if it exists.
+   * @param string $nsKey
+   * @param string $itemKey
+   */
+  public function clearKey($nsKey, $itemKey)
+  {
+    if ($this->hasKey($nsKey, $itemKey))
+    {
+      $fp = $this->_getHandle($nsKey, $itemKey, self::POSITION_END);
+      fclose($fp);
+      unlink($this->_path . '/' . $nsKey . '/' . $itemKey);
+    }
+    unset($this->_keys[$nsKey][$itemKey]);
+  }
+
+  /**
+   * Clear all data in the namespace $nsKey if it exists.
+   * @param string $nsKey
+   */
+  public function clearAll($nsKey)
+  {
+    if (array_key_exists($nsKey, $this->_keys))
+    {
+      foreach ($this->_keys[$nsKey] as $itemKey=>$null)
+      {
+        $this->clearKey($nsKey, $itemKey);
+      }
+      rmdir($this->_path . '/' . $nsKey);
+      unset($this->_keys[$nsKey]);
+    }
+  }
+
+  // -- Private methods
+
+  /**
+   * Initialize the namespace of $nsKey if needed.
+   * @param string $nsKey
+   * @access private
+   */
+  private function _prepareCache($nsKey)
+  {
+    $cacheDir = $this->_path . '/' . $nsKey;
+    if (!is_dir($cacheDir))
+    {
+      if (!mkdir($cacheDir))
+      {
+        throw new Swift_IoException('Failed to create cache directory ' . $cacheDir);
+      }
+      $this->_keys[$nsKey] = array();
+    }
+  }
+
+  /**
+   * Get a file handle on the cache item.
+   * @param string $nsKey
+   * @param string $itemKey
+   * @param int $position
+   * @return resource
+   * @access private
+   */
+  private function _getHandle($nsKey, $itemKey, $position)
+  {
+    if (!isset($this->_keys[$nsKey]) || !array_key_exists($itemKey, $this->_keys[$nsKey]))
+    {
+      $fp = fopen($this->_path . '/' . $nsKey . '/' . $itemKey, 'w+b');
+      $this->_keys[$nsKey][$itemKey] = $fp;
+    }
+    if (self::POSITION_START == $position)
+    {
+      fseek($this->_keys[$nsKey][$itemKey], 0, SEEK_SET);
+    }
+    else
+    {
+      fseek($this->_keys[$nsKey][$itemKey], 0, SEEK_END);
+    }
+    return $this->_keys[$nsKey][$itemKey];
+  }
+
+  /**
+   * Destructor.
+   */
+  public function __destruct()
+  {
+    foreach ($this->_keys as $nsKey=>$null)
+    {
+      $this->clearAll($nsKey);
+    }
+  }
+
+}
diff --git a/h-source/External/swiftmailer/lib/classes/Swift/KeyCache/KeyCacheInputStream.php b/h-source/External/swiftmailer/lib/classes/Swift/KeyCache/KeyCacheInputStream.php
new file mode 100644
index 0000000..a1f4440
--- /dev/null
+++ b/h-source/External/swiftmailer/lib/classes/Swift/KeyCache/KeyCacheInputStream.php
@@ -0,0 +1,53 @@
+<?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.
+ */
+
+//@require 'Swift/KeyCache.php';
+//@require 'Swift/InputByteStream.php';
+
+/**
+ * Writes data to a KeyCache using a stream.
+ * @package Swift
+ * @subpackage KeyCache
+ * @author Chris Corbyn
+ */
+interface Swift_KeyCache_KeyCacheInputStream extends Swift_InputByteStream
+{
+  
+  /**
+   * Set the KeyCache to wrap.
+   * @param Swift_KeyCache $keyCache
+   */
+  public function setKeyCache(Swift_KeyCache $keyCache);
+  
+  /**
+   * Set the nsKey which will be written to.
+   * @param string $nsKey
+   */
+  public function setNsKey($nsKey);
+  
+  /**
+   * Set the itemKey which will be written to.
+   * @param string $itemKey
+   */
+  public function setItemKey($itemKey);
+  
+  /**
+   * Specify a stream to write through for each write().
+   * @param Swift_InputByteStream $is
+   */
+  public function setWriteThroughStream(Swift_InputByteStream $is);
+  
+  /**
+   * Any implementation should be cloneable, allowing the clone to access a
+   * separate $nsKey and $itemKey.
+   */
+  public function __clone();
+  
+}
diff --git a/h-source/External/swiftmailer/lib/classes/Swift/KeyCache/NullKeyCache.php b/h-source/External/swiftmailer/lib/classes/Swift/KeyCache/NullKeyCache.php
new file mode 100644
index 0000000..2646522
--- /dev/null
+++ b/h-source/External/swiftmailer/lib/classes/Swift/KeyCache/NullKeyCache.php
@@ -0,0 +1,110 @@
+<?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.
+ */
+
+//@require 'Swift/KeyCache.php';
+//@require 'Swift/KeyCacheInputStream.php';
+//@require 'Swift/InputByteStream.php';
+//@require 'Swift/OutputByteStrean.php';
+
+/**
+ * A null KeyCache that does not cache at all.
+ * @package Swift
+ * @subpackage KeyCache
+ * @author Chris Corbyn
+ */
+class Swift_KeyCache_NullKeyCache implements Swift_KeyCache
+{
+  
+  /**
+   * Set a string into the cache under $itemKey for the namespace $nsKey.
+   * @param string $nsKey
+   * @param string $itemKey
+   * @param string $string
+   * @param int $mode
+   * @see MODE_WRITE, MODE_APPEND
+   */
+  public function setString($nsKey, $itemKey, $string, $mode)
+  {
+  }
+  
+  /**
+   * Set a ByteStream into the cache under $itemKey for the namespace $nsKey.
+   * @param string $nsKey
+   * @param string $itemKey
+   * @param Swift_OutputByteStream $os
+   * @param int $mode
+   * @see MODE_WRITE, MODE_APPEND
+   */
+  public function importFromByteStream($nsKey, $itemKey, Swift_OutputByteStream $os,
+    $mode)
+  {
+  }
+  
+  /**
+   * Provides a ByteStream which when written to, writes data to $itemKey.
+   * NOTE: The stream will always write in append mode.
+   * @param string $nsKey
+   * @param string $itemKey
+   * @return Swift_InputByteStream
+   */
+  public function getInputByteStream($nsKey, $itemKey,
+    Swift_InputByteStream $writeThrough = null)
+  {
+  }
+  
+  /**
+   * Get data back out of the cache as a string.
+   * @param string $nsKey
+   * @param string $itemKey
+   * @return string
+   */
+  public function getString($nsKey, $itemKey)
+  {
+  }
+  
+  /**
+   * Get data back out of the cache as a ByteStream.
+   * @param string $nsKey
+   * @param string $itemKey
+   * @param Swift_InputByteStream $is to write the data to
+   */
+  public function exportToByteStream($nsKey, $itemKey, Swift_InputByteStream $is)
+  {
+  }
+  
+  /**
+   * Check if the given $itemKey exists in the namespace $nsKey.
+   * @param string $nsKey
+   * @param string $itemKey
+   * @return boolean
+   */
+  public function hasKey($nsKey, $itemKey)
+  {
+    return false;
+  }
+  
+  /**
+   * Clear data for $itemKey in the namespace $nsKey if it exists.
+   * @param string $nsKey
+   * @param string $itemKey
+   */
+  public function clearKey($nsKey, $itemKey)
+  {
+  }
+  
+  /**
+   * Clear all data in the namespace $nsKey if it exists.
+   * @param string $nsKey
+   */
+  public function clearAll($nsKey)
+  {
+  }
+  
+}
diff --git a/h-source/External/swiftmailer/lib/classes/Swift/KeyCache/SimpleKeyCacheInputStream.php b/h-source/External/swiftmailer/lib/classes/Swift/KeyCache/SimpleKeyCacheInputStream.php
new file mode 100644
index 0000000..87cdced
--- /dev/null
+++ b/h-source/External/swiftmailer/lib/classes/Swift/KeyCache/SimpleKeyCacheInputStream.php
@@ -0,0 +1,131 @@
+<?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.
+ */
+
+//@require 'Swift/KeyCache.php';
+//@require 'Swift/KeyCacheInputStream.php';
+
+/**
+ * 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;
+  }
+  
+}
-- 
cgit v1.2.3