[Phphtmllib-devel] SF.net SVN: phphtmllib:[3442] trunk/open2300/lib/core

[<he...@us...>]

Revision: 3442
          http://phphtmllib.svn.sourceforge.net/phphtmllib/?rev=3442&view=rev
Author:   hemna
Date:     2010-06-15 17:50:47 +0000 (Tue, 15 Jun 2010)

Log Message:
-----------
added AirportCache

Added Paths:
-----------
    trunk/open2300/lib/core/cache/
    trunk/open2300/lib/core/cache/AirportCache.inc

Added: trunk/open2300/lib/core/cache/AirportCache.inc
===================================================================
--- trunk/open2300/lib/core/cache/AirportCache.inc	                        (rev 0)
+++ trunk/open2300/lib/core/cache/AirportCache.inc	2010-06-15 17:50:47 UTC (rev 3442)
@@ -0,0 +1,75 @@
+<?php
+
+class AirportCache extends FileCache {
+	
+	protected static $cache_dir;
+	
+	private static $default_cache_dir = '/tmp/phphtmllib-cache';
+	
+	
+	/**
+     * Holds instance of the class
+     *
+     * @var object
+     */
+    static private $instance = null;
+	
+    public static function singleton() {
+        if (!Cache::$cache_enabled) {
+            return NoCache::singleton();
+        }
+
+        if (!self::$instance) {
+            self::$instance = new AirportCache();
+        }
+
+        return self::$instance;
+    }    
+    
+	/**
+     * Sets cache directory
+     *
+     * @param string $dir
+     */
+    public static function set_cache_dir($dir) {
+        AirportCache::$cache_dir = $dir;
+    }
+
+    /**
+     * This function returns a file name
+     * based on the cache key
+     *
+     * @param string $key
+     *
+     * @return string
+     */
+    protected function make_key($key) {
+        if (substr(AirportCache::$cache_dir, -1, 1) == '/') {
+            $seperator = '';
+        } else {
+            $seperator = FileCache::PATH_SEPERATOR;
+        }
+        return AirportCache::$cache_dir . $seperator . preg_replace("/[^A-Za-z0-9\_\.\-\+\040]/", '', $key) . '.cache';
+    }
+
+    /**
+     * This function initializes
+     * the cache directory
+     *
+     */
+    protected function init_cache() {
+        self::$cache_enabled = $GLOBALS['config']->get('cache_enabled', true);
+        //if there is a config setting
+        //we'll use it.
+        $this->set_cache_dir($GLOBALS['config']->get('airport_file_cache_dir',AirportCache::$default_cache_dir));
+
+        // make sure the cache directory exists
+        if (!file_exists(AirportCache::$cache_dir)) {
+            if (!mkdir(AirportCache::$cache_dir, 0755, TRUE)) {
+                throw new CacheException("AirportCache::Failed to create " . AirportCache::$cache_dir);
+            }
+        }
+    }
+}
+
+?>
\ No newline at end of file


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