Java实现定时重启windows指定服务

package com.test.processManagement;

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Timer;
import java.util.TimerTask;

/**
 * <title>ServRebootScheWin</title>
 * 
 * <project>Exam</project>
 * 
 * <package>com.test.processManagement</package>
 * 
 * <file>ServRebootScheWin.java</file>
 * 
 * <date>2012-7-11</date>
 * 
 * <brief>本程序用于每天定时重启windows系统上的指定服务,并记录日志</brief>
 * 
 * @author Wero
 * 
 */
public class ServRebootScheWin {

	public static void main(String[] args) {
		// store the console output
		final PrintStream console = System.out;
		if (args.length < 2) {
			LOG("参数不全,程序将退出...");
			Runtime.getRuntime().exit(-1);
		}

		final String timeStr = args[0];// 每天重启时间(HH:mm:ss)
		final String servName = args[1];// 服务名
		if (args.length >= 3) {
			try {
				System.setOut(new PrintStream(new FileOutputStream(args[2])));
			} catch (FileNotFoundException e) {
				System.setOut(console);
				LOG("日志文件无法建立...");
			}
		}

		// convert time string to Date type
		Date date = null;
		try {
			date = new SimpleDateFormat("HH:mm:ss").parse(timeStr);
		} catch (ParseException e1) {
			LOG("日期格式(HH:mm:ss)错误,程序将退出...");
			Runtime.getRuntime().exit(-1);
		}

		// schedule the specific windows service to reboot at specific time
		// every day
		rebootEveryDayTime(date, servName);

		// add shutdown hook to recover system.out to console when program exits
		Runtime.getRuntime().addShutdownHook(new Thread() {
	        @Override
	        public void run() {
	    		System.setOut(console);
	        }
	    });
	}

	private static void rebootEveryDayTime(Date date, final String servName) {
		new Timer().schedule(new TimerTask() {
			public void run() {
				try {
					reboot(servName);
				} catch (Exception e) {
					LOG("重启出现异常:" + e.getMessage());
				}
			}
		}, date, 24 * 60 * 60 * 1000);
	}

	private static void reboot(String servName) throws IOException, InterruptedException {
		LOG("重启服务:" + servName);
		Process procStop;
		Process procStart;
		int stopState = -1;
		int startState = -1;

		// stop the specific service
		procStop = Runtime.getRuntime().exec("net stop \"" + servName + "\"");

		stopState = getProcExecStat(procStop);
		LOG(getProcOutput(procStop));

		// wait for 10 seconds 
		try {
			Thread.sleep(10 * 1000);
		} catch (InterruptedException e) {
			LOG("线程等待时中断...");
			e.printStackTrace();
		}

		// restart
		procStart=Runtime.getRuntime().exec("net start \"" + servName + "\"");
		startState = getProcExecStat(procStart);
		LOG(getProcOutput(procStart));

		//if stop exec and start exec both return with failed flag,exists
		if (stopState != 0 && startState != 0) {
			LOG("重启失败,请确认服务名是否有效,程序将退出...");
		} else {
			LOG("重启成功.");
		}
	}

	private static int getProcExecStat(Process proc) {
		try {
			return proc.waitFor();
		} catch (InterruptedException e) {
			LOG("线程等待时中断...");
			e.printStackTrace();
		}
		return -1;
	}

	private static String getProcOutput(Process proc) throws IOException, InterruptedException {
		InputStream is = proc.getInputStream();
		String line;
		StringBuffer strResult = new StringBuffer();

		BufferedReader reader = new BufferedReader(new InputStreamReader(is));
		while ((line = reader.readLine()) != null) {
			strResult.append(line);
		}
		is.close();
		
		return strResult.toString().trim();
	}

	private static void LOG(String info) {
		if (info != null && !info.equals("")) {
			System.out.println("windows服务监控器--------" + getCurrentTime() + "----------->" + info);
		}
	}

	private static String getCurrentTime() {
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
		return sdf.format(new Date());
	}

	// public enum ExecuteStates {
	//
	// SUCCEED(0, ""), STATERR_STOPPED(1, "服务已停止"), STATERR_STATED(3, "服务已开始"),
	// STATERR_NOTFOUND(
	// 2, "服务名无效");
	//
	// ExecuteStates(int code, String desc) {
	// this.code = code;
	// this.desc = desc;
	// }
	//
	// private final int code;
	// private final String desc;
	//
	// // regular get method
	// public String getDesc() {
	// return desc;
	// }
	//
	// public static String getDescByCode(int code){
	// for (ExecuteStates e:ExecuteStates.values()){
	// if(e.code==code){
	// return e.desc;
	// }
	// }
	// return null;
	// }
	// }

}