package com.helper;

import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;

/**
 * 读取文件/onload.properties类
 * 
 * @author pengbei
 * 
 */
public final class Env extends Properties {

    /**
     * 
     */
    private static final long serialVersionUID = 1L;

    // private static Env env;
    private static String properties = "/onload.properties";

    public static Env getEnv() {
	return getEnv(properties);
    }

    public static Env getEnv(String propertie) {
	properties = propertie;
	// if (env == null) {
	// makeInstanse();
	// }
	Env env = new Env();
	return env;
    }

    // private static synchronized void makeInstanse() {
    // if (env == null) {
    // env = new Env();
    // }
    // }

    private Env() {
	InputStream iStream;
	iStream =Thread.currentThread().getContextClassLoader().getResourceAsStream(properties);
	if (iStream == null) {
		System.out.println("读取" + properties + "文件异常！");
	    } else {
		try {
		    load(iStream);
		} catch (IOException e) {
		    e.printStackTrace();
		}
	    }
	    properties = "/onload.properties";// 还原文件属性

    }
}