From f4de82bcdafba51e4eed9cae6b2d3e5375ffd115 Mon Sep 17 00:00:00 2001
From: xue <>
Date: Tue, 9 May 2006 12:11:38 +0000
Subject:

---
 .../Search/Lucene/Storage/Directory/Filesystem.php | 269 +++++++++++++++++++++
 1 file changed, 269 insertions(+)
 create mode 100644 demos/quickstart/protected/index/Zend/Search/Lucene/Storage/Directory/Filesystem.php

(limited to 'demos/quickstart/protected/index/Zend/Search/Lucene/Storage/Directory')

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];
+    }
+}
+
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