import java.io.IOException;

import java.util.Properties;

/**

 *

* 类名称：PropertiesUtil

* 类描述： 文件读取类

* 创建人：Jxufe HeHaiYang

* 创建时间：2015-1-20 下午03:14:02

* 修改备注：

* @version

 */

public class PropertiesUtil {    

    private static Properties properties=new Properties();

    private static PropertiesUtil propertiesUtil;

    private PropertiesUtil(){

    }

    private static void loadFile(String filename){

        try {

            properties.load(PropertiesUtil.class.getResourceAsStream("/"+filename));

        } catch (IOException e) {

            e.printStackTrace();

        }

    }

    public static synchronized PropertiesUtil createPropertiesUtil(String filename){

        if (propertiesUtil==null) {

            propertiesUtil=new PropertiesUtil();

        }

        loadFile(filename);

        return propertiesUtil;

    }    

    public String getProperty(String key){

        return properties.getProperty(key);

    }

    public static void main(String[] args) {

        PropertiesUtil propertiesUtil=PropertiesUtil.createPropertiesUtil("upload.properties");

        System.out.println(propertiesUtil.getProperty("path"));

    }

}