<?php

// +----------------------------------------------------------------------

// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]

// +----------------------------------------------------------------------

// | Copyright (c) 2006-2012 http://thinkphp.cn All rights reserved.

// +----------------------------------------------------------------------

// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )

// +----------------------------------------------------------------------

// | Author: liu21st <liu21st@gmail.com>

// +----------------------------------------------------------------------

// $Id: CheckUrlExtBehavior.class.php 2807 2012-03-08 03:23:57Z liu21st $



/**

 +------------------------------------------------------------------------------

 * 行为扩展 URL资源类型检测

 +------------------------------------------------------------------------------

 */

class CheckUrlExtBehavior extends Behavior {



    /**

     +----------------------------------------------------------

     * 检测URL地址中资源扩展

     +----------------------------------------------------------

     * @access public

     +----------------------------------------------------------

     * @return void

     +----------------------------------------------------------

     */

    public function run(&$params) {

        // 获取资源类型

        if(!empty($_SERVER['PATH_INFO'])) {

            $part =  pathinfo($_SERVER['PATH_INFO']);

            if(isset($part['extension'])) { // 判断扩展名

                define('__EXT__', strtolower($part['extension']));

                $_SERVER['PATH_INFO']   =   preg_replace('/.'.__EXT__.'$/i','',$_SERVER['PATH_INFO']);

            }

        }

    }



}