判断应用程序启动状态并打开或关闭应用程序代码,Java代码库,德仔网

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【Java】判断应用程序启动状态并打开或关闭应用程序

作者:小天 / 发布于2016/4/26/ 547

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();  
        }  
    }  
  
}

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