package com.kzkj.wx.utils;

import java.io.BufferedReader;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.InputStreamReader;

import java.io.Reader;

import java.net.URL;

import java.util.Properties;

/**

 * 属性文件 操作工具类

 * @author wanpeng

 * */

public class FilePropertiesUtil {

    /**

     * 属性文件操作类

     * */

    private static Properties pro=new Properties();

    /**

     * robackTOken常量

     * */

    private static final String ONLYONEROBACKTOKEN="onlyOneRobackToken";

    /**

     * 读取RobackToken属性文件

     * @return robackToken

     * */

    public static String readPropertise(String filelocation) throws IOException{

        String robackToken=null;

        Reader in=getReader(filelocation);

        pro.load(in);

        robackToken=pro.getProperty(ONLYONEROBACKTOKEN);

        return robackToken;

    }

    /**

     * 获取文件字符流

     * @param 文件路径

     * @return 文件读取字符流

     * @throws FileNotFoundException

     * */

    private static Reader getReader(String filelocation) throws FileNotFoundException{

        File file=new File(filelocation);

        BufferedReader in=new  BufferedReader(new InputStreamReader(new FileInputStream(file)));

        return in;

    }; 

    /**修改属性*/

    public static void modiFicationProperties(String value,String filelocation) throws IOException{

        String robackToken=value;

        Reader in=getReader(filelocation);

        FileOutputStream os=new FileOutputStream(new File(filelocation));

        pro.load(in);

        pro.setProperty(ONLYONEROBACKTOKEN, robackToken);

        pro.store(os, "test");

    }

}