141 lines
4.0 KiB
PHP
141 lines
4.0 KiB
PHP
<?php
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class PHPExcel_CachedObjectStorageFactory {
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const cache_in_memory = 'Memory';
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const cache_in_memory_gzip = 'MemoryGZip';
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const cache_in_memory_serialized = 'MemorySerialized';
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const cache_igbinary = 'Igbinary';
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const cache_to_discISAM = 'DiscISAM';
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const cache_to_apc = 'APC';
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const cache_to_memcache = 'Memcache';
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const cache_to_phpTemp = 'PHPTemp';
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const cache_to_wincache = 'Wincache';
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const cache_to_sqlite = 'SQLite';
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const cache_to_sqlite3 = 'SQLite3';
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private static $_cacheStorageMethod = null;
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private static $_cacheStorageClass = null;
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private static $_storageMethods = array(
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self::cache_in_memory,
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self::cache_in_memory_gzip,
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self::cache_in_memory_serialized,
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self::cache_igbinary,
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self::cache_to_phpTemp,
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self::cache_to_discISAM,
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self::cache_to_apc,
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self::cache_to_memcache,
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self::cache_to_wincache,
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self::cache_to_sqlite,
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self::cache_to_sqlite3,
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);
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private static $_storageMethodDefaultParameters = array(
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self::cache_in_memory => array(
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),
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self::cache_in_memory_gzip => array(
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),
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self::cache_in_memory_serialized => array(
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),
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self::cache_igbinary => array(
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),
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self::cache_to_phpTemp => array( 'memoryCacheSize' => '1MB'
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),
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self::cache_to_discISAM => array( 'dir' => NULL
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),
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self::cache_to_apc => array( 'cacheTime' => 600
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),
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self::cache_to_memcache => array( 'memcacheServer' => 'localhost',
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'memcachePort' => 11211,
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'cacheTime' => 600
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),
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self::cache_to_wincache => array( 'cacheTime' => 600
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),
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self::cache_to_sqlite => array(
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),
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self::cache_to_sqlite3 => array(
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),
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);
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private static $_storageMethodParameters = array();
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public static function getCacheStorageMethod() {
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if (!is_null(self::$_cacheStorageMethod)) {
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return self::$_cacheStorageMethod;
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}
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return null;
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} // function getCacheStorageMethod()
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public static function getCacheStorageClass() {
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if (!is_null(self::$_cacheStorageClass)) {
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return self::$_cacheStorageClass;
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}
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return null;
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} // function getCacheStorageClass()
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public static function getAllCacheStorageMethods() {
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return self::$_storageMethods;
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} // function getCacheStorageMethods()
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public static function getCacheStorageMethods() {
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$activeMethods = array();
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foreach(self::$_storageMethods as $storageMethod) {
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$cacheStorageClass = 'PHPExcel_CachedObjectStorage_'.$storageMethod;
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if (call_user_func(array($cacheStorageClass,'cacheMethodIsAvailable'))) {
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$activeMethods[] = $storageMethod;
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}
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}
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return $activeMethods;
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} // function getCacheStorageMethods()
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public static function initialize($method = self::cache_in_memory, $arguments = array()) {
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if (!in_array($method,self::$_storageMethods)) {
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return false;
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}
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$cacheStorageClass = 'PHPExcel_CachedObjectStorage_'.$method;
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if (!call_user_func(array($cacheStorageClass,'cacheMethodIsAvailable'))) {
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return false;
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}
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self::$_storageMethodParameters[$method] = self::$_storageMethodDefaultParameters[$method];
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foreach($arguments as $k => $v) {
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if (isset(self::$_storageMethodParameters[$method][$k])) {
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self::$_storageMethodParameters[$method][$k] = $v;
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}
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}
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if (is_null(self::$_cacheStorageMethod)) {
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self::$_cacheStorageClass = 'PHPExcel_CachedObjectStorage_'.$method;
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self::$_cacheStorageMethod = $method;
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}
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return true;
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} // function initialize()
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public static function getInstance(PHPExcel_Worksheet $parent) {
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if (is_null(self::$_cacheStorageMethod)) {
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$cacheMethodIsAvailable = self::initialize();
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}
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if ($cacheMethodIsAvailable) {
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$instance = new self::$_cacheStorageClass($parent,self::$_storageMethodParameters[self::$_cacheStorageMethod]);
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if (!is_null($instance)) {
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return $instance;
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}
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}
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return false;
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} // function getInstance()
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} |