Java对Linux进程关闭

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

import org.apache.log4j.Logger;

import com.talkweb.thread.SignatureSynthesisThread;

/**
 * 操作Linux进程工具类
 * 
 * @author Administrator
 *
 */
public class LinuxProcessUtil {

    private static Logger logger = Logger.getLogger(LinuxProcessUtil.class);
    
    /**
     * 获取指定进程的PID
     * 
     * @param command
     * @return
     */
    public static String getPID(String command) throws Exception {
        logger.info("相关信息 -----> " + command);
        BufferedReader reader = null;
        try {
            // 显示所有进程
            Process process = Runtime.getRuntime().exec("ps -ef");
            reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
            String line = null;
            while ((line = reader.readLine()) != null) {
                if (line.contains(command)) {
                    logger.info("找到有关进程："+line);
                    String[] strs = line.split("\s+");
                    return strs[1];
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
            throw e;
        } finally {
            if (reader != null) {
                try {
                    reader.close();
                } catch (IOException e) {

                }
            }
        }
        logger.info("找不到有关进程pid返回null");
        return null;
    }

    /**
     * 关闭Linux进程
     * 
     * @param Pid 进程的PID
     */
    public static void closeLinuxProcess(String Pid) {
        Process process = null;
        BufferedReader reader = null;
        try {
            // 杀掉进程
            logger.info("准备执行 kill -9 " + Pid);
            process = Runtime.getRuntime().exec("kill -9 " + Pid);
            reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
            String line = null;
            while ((line = reader.readLine()) != null) {
                logger.info("kill PID return info -----> " + line);
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (process != null) {
                process.destroy();
            }

            if (reader != null) {
                try {
                    reader.close();
                } catch (IOException e) {

                }
            }
        }
    }

}

package com.talkweb.utils;
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;
import org.apache.log4j.Logger;
import com.talkweb.thread.SignatureSynthesisThread;
/** * 操作Linux进程工具类 *  * @author Administrator * */public class LinuxProcessUtil {
private static Logger logger = Logger.getLogger(LinuxProcessUtil.class);/** * 获取指定进程的PID *  * @param command * @return */public static String getPID(String command) throws Exception {logger.info("相关信息 -----> " + command);BufferedReader reader = null;try {// 显示所有进程Process process = Runtime.getRuntime().exec("ps -ef");reader = new BufferedReader(new InputStreamReader(process.getInputStream()));String line = null;while ((line = reader.readLine()) != null) {if (line.contains(command)) {logger.info("找到有关进程："+line);String[] strs = line.split("\s+");return strs[1];}}} catch (Exception e) {e.printStackTrace();throw e;} finally {if (reader != null) {try {reader.close();} catch (IOException e) {
}}}logger.info("找不到有关进程pid返回null");return null;}
/** * 关闭Linux进程 *  * @param Pid 进程的PID */public static void closeLinuxProcess(String Pid) {Process process = null;BufferedReader reader = null;try {// 杀掉进程logger.info("准备执行 kill -9 " + Pid);process = Runtime.getRuntime().exec("kill -9 " + Pid);reader = new BufferedReader(new InputStreamReader(process.getInputStream()));String line = null;while ((line = reader.readLine()) != null) {logger.info("kill PID return info -----> " + line);}} catch (Exception e) {e.printStackTrace();} finally {if (process != null) {process.destroy();}
if (reader != null) {try {reader.close();} catch (IOException e) {
}}}}
}