java 调用shell命令

 import java.io.BufferedReader;
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStreamReader;
 import java.io.OutputStream;
 import java.io.OutputStreamWriter;
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
 import java.util.Date;
 
 public class JavaShellUtil {
 //基本路径
 private static final String basePath = "/tmp/";
 
 //记录Shell执行状况的日志文件的位置(绝对路径)
 private static final String executeShellLogFile = basePath + "executeShell.log";
 
 //发送文件到Kondor系统的Shell的文件名(绝对路径)
 private static final String sendKondorShellName = basePath + "sendKondorFile.sh";
 
 public int executeShell(String shellCommand) throws IOException {
 int success = 0;
 StringBuffer stringBuffer = new StringBuffer();
 BufferedReader bufferedReader = null;
 //格式化日期时间，记录日志时使用
 DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:SS ");
 
 try {
 stringBuffer.append(dateFormat.format(new Date())).append("准备执行Shell命令 ").append(shellCommand).append(" \r\n");
 
 Process pid = null;
 String[] cmd = {"/bin/sh", "-c", shellCommand};
 //执行Shell命令
 pid = Runtime.getRuntime().exec(cmd);
 if (pid != null) {
 stringBuffer.append("进程号：").append(pid.toString()).append("\r\n");
 //bufferedReader用于读取Shell的输出内容 bufferedReader = new BufferedReader(new InputStreamReader(pid.getInputStream()), 1024);
 pid.waitFor();
 } else {
 stringBuffer.append("没有pid\r\n");
 }
 stringBuffer.append(dateFormat.format(new Date())).append("Shell命令执行完毕\r\n执行结果为：\r\n");
 String line = null;
 //读取Shell的输出内容，并添加到stringBuffer中
 while (bufferedReader != null &
 &
 (line = bufferedReader.readLine()) != null) {
 stringBuffer.append(line).append("\r\n");
 }
 } catch (Exception ioe) {
 stringBuffer.append("执行Shell命令时发生异常：\r\n").append(ioe.getMessage()).append("\r\n");
 } finally {
 if (bufferedReader != null) {
 OutputStreamWriter outputStreamWriter = null;
 try {
 bufferedReader.close();
 //将Shell的执行情况输出到日志文件中
 OutputStream outputStream = new FileOutputStream(executeShellLogFile);
 outputStreamWriter = new OutputStreamWriter(outputStream, "UTF-8");
 outputStreamWriter.write(stringBuffer.toString());
 } catch (Exception e) {
 e.printStackTrace();
 } finally {
 outputStreamWriter.close();
 }
 }
 success = 1;
 }
 return success;
 }
 
 }