run Windows command - Java Native OS

Java examples for Native OS:Windows

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Description

run Windows command

Demo Code


//package com.java2s;
import java.io.BufferedReader;

import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public class Main {
    public static void main(String[] argv) throws Exception {
        String cmd = "java2s.com";
        System.out.println(runWindows(cmd));
    }//w w  w .jav a2 s.c o m

    public static String runWindows(String... cmd) {
        String result = "";
        StringBuffer sbOut = new StringBuffer();
        StringBuffer sbErr = new StringBuffer();
        try {
            String line;
            String[] use = { "cmd", "/c" };
            List<String> cmdList = new ArrayList<String>(Arrays.asList(use));
            cmdList.addAll(Arrays.asList(cmd));

            // ?Process p = Runtime.getRuntime().exec(cmdList.toArray(new String[0]));
            ProcessBuilder builder = new ProcessBuilder(
                    cmdList.toArray(new String[0]));
            builder.redirectErrorStream(true);
            Process p = builder.start();

            BufferedReader bri = new BufferedReader(new InputStreamReader(
                    p.getInputStream(), "GBK"));
            while ((line = bri.readLine()) != null) {
                sbOut.append(line + "\n");
            }
            bri.close();
            Integer exitValue = p.waitFor();
            // System.out.println("Exit value: " + exitValue);
            if (0 == exitValue || 1 == exitValue) {
                // do something here...
            }
            result = "Exit value: " + exitValue + "\n\n" + "Output: \n"
                    + sbOut.toString() + "\n\nError message: "
                    + sbErr.toString();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return result;
    }
}

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