ssh를 이용하여 웹서버에서 쉘 명령 실행결과를 가져오기

<%@ page language="java" contentType="text/html; charset=EUC-KR"
    pageEncoding="EUC-KR" %>
<%@ page import="java.io.BufferedReader"
         import="java.io.InputStreamReader"
         import="java.io.IOException"
         import="java.io.PrintWriter"
         import="java.io.SequenceInputStream" %>
<%
try {
  PrintWriter wr = response.getWriter();
  String cmds[][] = {
    {"ssh", "ip", "netstat -na"},
     ....
    {....                      }};
  for (int i=0;i<n;i++) {
    String aLine = null;
    int cnt = 0;
    Process ps = Runtime.getRuntime().exec(cmds[i]);
    BufferedReader br = new BufferedReader(
        new InputStreamReader(
            new SequenceInputStream(ps.getInputStream(), ps.getErrorStream())
        ));
    while (null != (aLine = br.readLine())) wr.println(aLine);
    br.close();
    ps.waitFor();
  }
} catch (Exception e) {
  e.printStackTrace();
}
%>