java终止操作系统进程的demo

判断操作系统是否有javaw.exe进程，如有，则杀死此进程

/**
 * 
 */
package cn.edu.zzuli.huang;

/**
 * @author moon
 *
 */
import java.io.BufferedReader;
import java.io.InputStreamReader;

public class ProcessHandler {

    /**
     * @author coldanimal; ProcessHandler windowns version.
     */
    public static boolean findRunningProcess(String processName) {
        String platform = System.getProperty("os.name");
        if (platform.contains("Windows")) {
            return findRunningWindowsProcess(processName);
        } else if (platform.contains("Linux")) {
            return findRunningLinuxProcess(processName);
        } else {
            throw new RuntimeException("Unknown platform " + platform);
        }
    }
   
    private static boolean findRunningLinuxProcess(String processName) {
        return false;
    }

    //获取所有进程列表
    private static boolean findRunningWindowsProcess(String processName) {
        BufferedReader bufferedReader = null;
        Process proc = null;
        try {
            proc = Runtime.getRuntime().exec("tasklist /FI \"IMAGENAME eq " + processName + "\"");
            bufferedReader = new BufferedReader(new InputStreamReader(proc.getInputStream()));
            String line;
            while ((line = bufferedReader.readLine()) != null) {
                if (line.contains(processName)) {
                    return true;
                }
            }
            return false;
        } catch (Exception ex) {
            ex.printStackTrace();
            return false;
        } finally {
            if (bufferedReader != null) {
                try {
                    bufferedReader.close();
                } catch (Exception ex) {
                }
            }
            if (proc != null) {
                try {
                    proc.destroy();
                } catch (Exception ex) {
                }
            }
        }
    }
    
    //选择操作系统
    public static boolean killRunningProcess(String processName){
        String platform = System.getProperty("os.name");
        if(platform.contains("Windows")){
            return killRunningWindowsProcess(processName);
        }else if(platform.contains("Linux")){
            return false;
        }
        throw new RuntimeException("Unkown platform " + platform);
    }
    
    //终止进程
    private static boolean killRunningWindowsProcess(String processName){
        try {
            Runtime.getRuntime().exec("taskkill /IM " + processName);
            System.out.println("kill process successful");
            System.out.println("Process " + processName + " was killed. Mission completed.");
            return true;
        } catch (Exception ex) {
            ex.printStackTrace();
            System.out.println("kill process fail");
            System.out.println("Misson failed.");
            return false;
        }
    }
    
    public static void main(String[] args) {
        if(ProcessHandler.findRunningProcess("javaw.exe")){
            ProcessHandler.killRunningProcess("javaw.exe");
        }
        
    }

}