package com.zznode.transmit.util;

import java.io.FileInputStream;

import java.io.FileOutputStream;

import java.io.InputStream;

import java.io.OutputStream;

import java.util.Properties;

/**

 * 读取和写入properties文件

 * @author mengzw

 * @since 3.0 2014-3-4

 */

public class ReadProperty {

    Properties prop = new Properties();

    /**

     * @param key    读取配置文件的key值

     * @param path    读取配置文件的路径：例如：E:/db.properties

     * @return

     */

    public String ReadProp(String key, String path) {

        String value = "";

        FileInputStream fis;

        fis = null;

        try {

            fis = new FileInputStream(path);

            prop.load(fis);

            value = prop.getProperty(key);

            fis.close();

        } catch (Exception e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        }

        return value;

    }

    /**

     * @param key 写入配置文件的key值

     * @param value    写入配置文件的value值

     * @param path 写入配置文件的路径 例如：E:/db.properties

     */

    public void WriteProp(String key, String value, String path) {

        try {

            InputStream fis = new FileInputStream(path);

            prop.load(fis);

            OutputStream fos = new FileOutputStream(path);

            prop.put(key, value);

            prop.store(fos, "Update   " + key + "  " + value);

            fos.close();

        } catch (Exception e) {

            e.printStackTrace();

        }

    }

}