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Diffstat (limited to 'demos/quickstart/protected/index/Zend/Search/Lucene/Storage/Directory/Filesystem.php')
| -rw-r--r-- | demos/quickstart/protected/index/Zend/Search/Lucene/Storage/Directory/Filesystem.php | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/demos/quickstart/protected/index/Zend/Search/Lucene/Storage/Directory/Filesystem.php b/demos/quickstart/protected/index/Zend/Search/Lucene/Storage/Directory/Filesystem.php new file mode 100644 index 00000000..73d10659 --- /dev/null +++ b/demos/quickstart/protected/index/Zend/Search/Lucene/Storage/Directory/Filesystem.php @@ -0,0 +1,269 @@ +<?php +/** + * Zend Framework + * + * LICENSE + * + * This source file is subject to version 1.0 of the Zend Framework + * license, that is bundled with this package in the file LICENSE, and + * is available through the world-wide-web at the following URL: + * http://www.zend.com/license/framework/1_0.txt. If you did not receive + * a copy of the Zend Framework license and are unable to obtain it + * through the world-wide-web, please send a note to license@zend.com + * so we can mail you a copy immediately. + * + * @package Zend_Search_Lucene + * @subpackage Storage + * @copyright Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com) + * @license http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0 + */ + + +/** Zend_Search_Lucene_Storage_Directory */ +require_once 'Zend/Search/Lucene/Storage/Directory.php'; + +/** Zend_Search_Lucene_Storage_File_Filesystem */ +require_once 'Zend/Search/Lucene/Storage/File/Filesystem.php'; + + +/** + * FileSystem implementation of Directory abstraction. + * + * @package Zend_Search_Lucene + * @subpackage Storage + * @copyright Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com) + * @license http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0 + */ +class Zend_Search_Lucene_Storage_Directory_Filesystem extends Zend_Search_Lucene_Storage_Directory +{ + /** + * Filesystem path to the directory + * + * @var string + */ + private $_dirPath = null; + + /** + * Cache for Zend_Search_Lucene_Storage_File_Filesystem objects + * Array: filename => Zend_Search_Lucene_Storage_File object + * + * @var array + * @throws Zend_Search_Lucene_Exception + */ + private $_fileHandlers; + + + /** + * Utility function to recursive directory creation + * + * @param string $dir + * @param integer $mode + * @param boolean $recursive + * @return boolean + */ + + static public function mkdirs($dir, $mode = 0777, $recursive = true) + { + if (is_null($dir) || $dir === '') { + return false; + } + if (is_dir($dir) || $dir === '/') { + return true; + } + if (self::mkdirs(dirname($dir), $mode, $recursive)) { + return mkdir($dir, $mode); + } + return false; + } + + + /** + * Object constructor + * Checks if $path is a directory or tries to create it. + * + * @param string $path + * @throws Zend_Search_Lucene_Exception + */ + public function __construct($path) + { + if (!is_dir($path)) { + if (file_exists($path)) { + throw new Zend_Search_Lucene_Exception('Path exists, but it\'s not a directory'); + } else { + if (!self::mkdirs($path)) { + throw new Zend_Search_Lucene_Exception("Can't create directory '$path'."); + } + } + } + $this->_dirPath = $path; + $this->_fileHandlers = array(); + } + + + /** + * Closes the store. + * + * @return void + */ + public function close() + { + foreach ($this->_fileHandlers as $fileObject) { + $fileObject->close(); + } + + unset($this->_fileHandlers); + } + + + /** + * Returns an array of strings, one for each file in the directory. + * + * @return array + */ + public function fileList() + { + $result = array(); + + $dirContent = opendir( $this->_dirPath ); + while ($file = readdir($dirContent)) { + if (($file == '..')||($file == '.')) continue; + + $fullName = $this->_dirPath . '/' . $file; + + if( !is_dir($this->_dirPath . '/' . $file) ) { + $result[] = $file; + } + } + + return $result; + } + + /** + * Creates a new, empty file in the directory with the given $filename. + * + * @param string $filename + * @return Zend_Search_Lucene_Storage_File + */ + public function createFile($filename) + { + if (isset($this->_fileHandlers[$filename])) { + $this->_fileHandlers[$filename]->close(); + } + unset($this->_fileHandlers[$filename]); + $this->_fileHandlers[$filename] = new Zend_Search_Lucene_Storage_File_Filesystem($this->_dirPath . '/' . $filename, 'w+b'); + return $this->_fileHandlers[$filename]; + } + + + /** + * Removes an existing $filename in the directory. + * + * @param string $filename + * @return void + */ + public function deleteFile($filename) + { + if (isset($this->_fileHandlers[$filename])) { + $this->_fileHandlers[$filename]->close(); + } + unset($this->_fileHandlers[$filename]); + unlink($this->_dirPath .'/'. $filename); + } + + + /** + * Returns true if a file with the given $filename exists. + * + * @param string $filename + * @return boolean + */ + public function fileExists($filename) + { + return file_exists($this->_dirPath .'/'. $filename); + } + + + /** + * Returns the length of a $filename in the directory. + * + * @param string $filename + * @return integer + */ + public function fileLength($filename) + { + if (isset( $this->_fileHandlers[$filename] )) { + return $this->_fileHandlers[$filename]->size(); + } + return filesize($this->_dirPath .'/'. $filename); + } + + + /** + * Returns the UNIX timestamp $filename was last modified. + * + * @param string $filename + * @return integer + */ + public function fileModified($filename) + { + return filemtime($this->_dirPath .'/'. $filename); + } + + + /** + * Renames an existing file in the directory. + * + * @param string $from + * @param string $to + * @return void + */ + public function renameFile($from, $to) + { + if ($this->_fileHandlers[$from] !== null) { + $this->_fileHandlers[$from]->close(); + } + unset($this->_fileHandlers[$from]); + + if ($this->_fileHandlers[$to] !== null) { + $this->_fileHandlers[$to]->close(); + } + unset($this->_fileHandlers[$to]); + + if (file_exists($this->_dirPath . '/' . $to)) { + unlink($this->_dirPath . '/' . $to); + } + + return @rename($this->_dirPath . '/' . $from, $this->_dirPath . '/' . $to); + } + + + /** + * Sets the modified time of $filename to now. + * + * @param string $filename + * @return void + */ + public function touchFile($filename) + { + return touch($this->_dirPath .'/'. $filename); + } + + + /** + * Returns a Zend_Search_Lucene_Storage_File object for a given $filename in the directory. + * + * @param string $filename + * @return Zend_Search_Lucene_Storage_File + */ + public function getFileObject($filename) + { + if (isset( $this->_fileHandlers[$filename] )) { + $this->_fileHandlers[$filename]->seek(0); + return $this->_fileHandlers[$filename]; + } + + $this->_fileHandlers[$filename] = new Zend_Search_Lucene_Storage_File_Filesystem($this->_dirPath . '/' . $filename, 'rb'); + return $this->_fileHandlers[$filename]; + } +} + |