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1 <?php |
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2 |
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3 /* |
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4 * This file is part of SwiftMailer. |
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5 * (c) 2004-2009 Chris Corbyn |
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6 * |
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7 * For the full copyright and license information, please view the LICENSE |
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8 * file that was distributed with this source code. |
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9 */ |
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10 |
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11 |
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12 /** |
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13 * Writes data to a KeyCache using a stream. |
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14 * @package Swift |
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15 * @subpackage KeyCache |
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16 * @author Chris Corbyn |
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17 */ |
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18 class Swift_KeyCache_SimpleKeyCacheInputStream |
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19 implements Swift_KeyCache_KeyCacheInputStream |
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20 { |
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21 |
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22 /** The KeyCache being written to */ |
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23 private $_keyCache; |
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24 |
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25 /** The nsKey of the KeyCache being written to */ |
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26 private $_nsKey; |
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27 |
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28 /** The itemKey of the KeyCache being written to */ |
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29 private $_itemKey; |
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30 |
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31 /** A stream to write through on each write() */ |
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32 private $_writeThrough = null; |
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33 |
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34 /** |
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35 * Set the KeyCache to wrap. |
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36 * @param Swift_KeyCache $keyCache |
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37 */ |
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38 public function setKeyCache(Swift_KeyCache $keyCache) |
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39 { |
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40 $this->_keyCache = $keyCache; |
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41 } |
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42 |
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43 /** |
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44 * Specify a stream to write through for each write(). |
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45 * @param Swift_InputByteStream $is |
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46 */ |
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47 public function setWriteThroughStream(Swift_InputByteStream $is) |
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48 { |
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49 $this->_writeThrough = $is; |
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50 } |
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51 |
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52 /** |
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53 * Writes $bytes to the end of the stream. |
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54 * @param string $bytes |
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55 * @param Swift_InputByteStream $is, optional |
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56 */ |
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57 public function write($bytes, Swift_InputByteStream $is = null) |
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58 { |
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59 $this->_keyCache->setString( |
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60 $this->_nsKey, $this->_itemKey, $bytes, Swift_KeyCache::MODE_APPEND |
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61 ); |
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62 if (isset($is)) |
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63 { |
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64 $is->write($bytes); |
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65 } |
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66 if (isset($this->_writeThrough)) |
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67 { |
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68 $this->_writeThrough->write($bytes); |
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69 } |
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70 } |
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71 |
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72 /** |
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73 * Not used. |
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74 */ |
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75 public function commit() |
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76 { |
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77 } |
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78 |
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79 /** |
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80 * Not used. |
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81 */ |
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82 public function bind(Swift_InputByteStream $is) |
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83 { |
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84 } |
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85 |
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86 /** |
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87 * Not used. |
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88 */ |
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89 public function unbind(Swift_InputByteStream $is) |
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90 { |
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91 } |
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92 |
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93 /** |
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94 * Flush the contents of the stream (empty it) and set the internal pointer |
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95 * to the beginning. |
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96 */ |
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97 public function flushBuffers() |
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98 { |
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99 $this->_keyCache->clearKey($this->_nsKey, $this->_itemKey); |
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100 } |
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101 |
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102 /** |
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103 * Set the nsKey which will be written to. |
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104 * @param string $nsKey |
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105 */ |
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106 public function setNsKey($nsKey) |
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107 { |
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108 $this->_nsKey = $nsKey; |
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109 } |
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110 |
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111 /** |
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112 * Set the itemKey which will be written to. |
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113 * @param string $itemKey |
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114 */ |
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115 public function setItemKey($itemKey) |
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116 { |
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117 $this->_itemKey = $itemKey; |
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118 } |
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119 |
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120 /** |
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121 * Any implementation should be cloneable, allowing the clone to access a |
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122 * separate $nsKey and $itemKey. |
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123 */ |
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124 public function __clone() |
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125 { |
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126 $this->_writeThrough = null; |
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127 } |
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128 |
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129 } |