Java实现定时重启windows指定服务

26hn824y26

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;
// }
// }
}