Java判断应用程序启动状态并打开或关闭应用程序

package com.anxin.ssk.util;

import java.awt.Desktop;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;

import org.apache.commons.lang.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.anxin.ssk.common.Config;

public class CommandUtil {

	private static Logger log = LoggerFactory.getLogger(CommandUtil.class);

	/**
	 * 执行cmd命令
	 * 
	 * @param command
	 * @throws IOException
	 */
	public static String executeCmd(String command) throws IOException {
		log.info("Execute command : " + command);
		Runtime runtime = Runtime.getRuntime();
		Process process = runtime.exec("cmd /c " + command);
		BufferedReader br = new BufferedReader(new InputStreamReader(process.getInputStream(), "UTF-8"));
		String line = null;
		StringBuilder build = new StringBuilder();
		while ((line = br.readLine()) != null) {
			log.info(line);
			build.append(line);
		}
		return build.toString();
	}

	/**
	 * 检测应用程序运行状态
	 * 
	 * @param programName
	 * @return
	 * @throws IOException
	 */
	public static boolean checkProgramStatus(String programName) throws IOException {
		log.info("检测应用程序：" + programName + "运行状态");
		boolean result = false; // Config.Local.DATA_EXE_ADSUP
		String cmdLines = executeCmd("tasklist |findstr /i \"" + programName + "\"");
		if (StringUtils.isNotEmpty(cmdLines)) {
			log.info("后台任务列表找到" + programName + "程序正在运行······重启应用程序");
			result = true;
		} else {
			log.error("没有在后台任务列表找到" + programName + "程序······重新打开新的应用程序");
		}

		return result;
	}

	/**
	 * 启动应用程序
	 * 
	 * @param programName
	 * @return
	 * @throws IOException
	 */
	public static void startProgram(String programPath) throws IOException {
		log.info("启动应用程序：" + programPath);
		if (StringUtils.isNotBlank(programPath)) {
			Desktop.getDesktop().open(new File(programPath));
			// String programName = programPath.substring(programPath.lastIndexOf("\\") + 1,
			// programPath.lastIndexOf("."));
			// executeCmd("start \"" + programName + "\" \"" + programPath + "\"");
		}
	}

	/**
	 * 关闭应用程序
	 * 
	 * @param programName
	 * @return
	 * @throws IOException
	 */
	public static void closeProgram(String programName) throws IOException {
		log.info("关闭应用程序：" + programName);
		if (StringUtils.isNotBlank(programName)) {
			executeCmd("taskkill /F /IM " + programName);
		}
	}

	/**
	 * 重启应用程序，若启动则重启，否则打开
	 * 
	 * @param programName
	 * @return
	 * @throws IOException
	 */
	public static void restartProgram(String programName, String programPath) throws IOException {
		log.info("重启应用程序：" + programName);
		if (checkProgramStatus(programName)) {
			closeProgram(programName);
			startProgram(programPath);
		} else {
			startProgram(programPath);
		}
	}

	public static void main(String[] args) {
		try {
			String programPath = "C:\\Program Files\\2345Pic\\2345PicViewer.exe";
			// startProgram(programName);
			String programName = "2345PicViewer.exe";
			restartProgram(programName, programPath);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

}