java configure_如何读取configure文件下的source.conf内容

source.conf

screen={

responce.time.line=["重庆市公路局——巴南区交委交换机","重庆市公路局——巴南区交委防火墙"]

monitor=[

{"name":"巴南区交委防火墙", "x":20, "y":40}

]

device={

router=100

switch=200

}

}

package com.mvc.control;

import java.io.BufferedInputStream;

import java.io.FileInputStream;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

import java.util.Enumeration;

import java.util.Properties;

public class ContentProperties {

//根据key读取value

public static String readValue(String filePath, String key) {

Properties props = new Properties();

try {

InputStream in = new BufferedInputStream(new FileInputStream(filePath));

props.load(in);

String value = props.getProperty(key);

System.out.println(key + value);

return value;

} catch (Exception e) {

e.printStackTrace();

return null;

}

}

//读取properties的全部信息

public static void readProperties(String filePath) {

Properties props = new Properties();

try {

InputStream in = new BufferedInputStream(new FileInputStream(filePath));

props.load(in);

Enumeration en = props.propertyNames();

while (en.hasMoreElements()) {

String key = (String) en.nextElement();

String Property = props.getProperty(key);

System.out.println(key + Property);

}

} catch (Exception e) {

e.printStackTrace();

}

}

//写入properties信息

public static void writeProperties(String filePath, String parameterName, String parameterValue) {

Properties prop = new Properties();

try {

InputStream fis = new FileInputStream(filePath);

//从输入流中读取属性列表(键和元素对)

prop.load(fis);

//调用 Hashtable 的方法 put。使用 getProperty 方法提供并行性。

//强制要求为属性的键和值使用字符串。返回值是 Hashtable 调用 put 的结果。

OutputStream fos = new FileOutputStream(filePath);

prop.setProperty(parameterName, parameterValue);

//以适合使用 load 方法加载到 Properties 表中的格式，

//将此 Properties 表中的属性列表(键和元素对)写入输出流

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

} catch (IOException e) {

System.err.println("Visit " + filePath + " for updating " + parameterName + " value error");

}

}

}

package com.mvc;

import com.mvc.control.ContentProperties;

public class ContentPropertiesTest {

public static void main(String[] args) {

ContentProperties.readProperties("source.conf");

System.out.println("OK");

}

}