CaffGeek/MBACNationals

<?php
/**
 * SimplePie
 *
 * A PHP-Based RSS and Atom Feed Framework.
 * Takes the hard work out of managing a complete RSS/Atom solution.
 *
 * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright notice, this list of
 *       conditions and the following disclaimer.
 *
 *     * Redistributions in binary form must reproduce the above copyright notice, this list
 *       of conditions and the following disclaimer in the documentation and/or other materials
 *       provided with the distribution.
 *
 *     * Neither the name of the SimplePie Team nor the names of its contributors may be used
 *       to endorse or promote products derived from this software without specific prior
 *       written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
 * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package SimplePie
 * @version 1.3.1
 * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
 * @author Ryan Parman
 * @author Geoffrey Sneddon
 * @author Ryan McCue
 * @link http://simplepie.org/ SimplePie
 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
 */

/**
 * Used to create cache objects
 *
 * This class can be overloaded with {@see SimplePie::set_cache_class()},
 * although the preferred way is to create your own handler
 * via {@see register()}
 *
 * @package SimplePie
 * @subpackage Caching
 */
class SimplePie_Cache
{
    /**
     * Cache handler classes
     *
     * These receive 3 parameters to their constructor, as documented in
     * {@see register()}
     * @var array
     */
    protected static $handlers = array(
        'mysql' => 'SimplePie_Cache_MySQL',
        'memcache' => 'SimplePie_Cache_Memcache',
    );

    /**
     * Don't call the constructor. Please.
     */
    private function __construct() { }

    /**
     * Create a new SimplePie_Cache object
     *
     * @param string $location URL location (scheme is used to determine handler)
     * @param string $filename Unique identifier for cache object
     * @param string $extension 'spi' or 'spc'
     * @return SimplePie_Cache_Base Type of object depends on scheme of `$location`
     */
    public static function get_handler($location, $filename, $extension)
    {
        $type = explode(':', $location, 2);
        $type = $type[0];
        if (!empty(self::$handlers[$type]))
        {
            $class = self::$handlers[$type];
            return new $class($location, $filename, $extension);
        }

        return new SimplePie_Cache_File($location, $filename, $extension);
    }

    /**
     * Create a new SimplePie_Cache object
     *
     * @deprecated Use {@see get_handler} instead
     */
    public function create($location, $filename, $extension)
    {
        trigger_error('Cache::create() has been replaced with Cache::get_handler(). Switch to the registry system to use this.', E_USER_DEPRECATED);
        return self::get_handler($location, $filename, $extension);
    }

    /**
     * Register a handler
     *
     * @param string $type DSN type to register for
     * @param string $class Name of handler class. Must implement SimplePie_Cache_Base
     */
    public static function register($type, $class)
    {
        self::$handlers[$type] = $class;
    }

    /**
     * Parse a URL into an array
     *
     * @param string $url
     * @return array
     */
    public static function parse_URL($url)
    {
        $params = parse_url($url);
        $params['extras'] = array();
        if (isset($params['query']))
        {
            parse_str($params['query'], $params['extras']);
        }
        return $params;
    }
}