1    package utils; 
2     
3    // utils.Dos 
4     
5    import java.io.InputStreamReader; 
6     
7    public class Dos { 
8      public static void main(String args[]) { 
9        System.out.println("Hello utils.Dos!"); 
10       if (! isWindows()) { 
11           System.out.println("sorry, this only works on windows now"); 
12           return; 
13       } 
14       Dos d = new Dos(); 
15       try { 
16         d.command( 
17             "c:\\dog.bat"); 
18       } catch (Exception e) { 
19         e.printStackTrace(); 
20       } 
21    
22     } 
23    
24     public void command(String com) 
25         throws java.io.IOException { 
26       Runtime rt = Runtime.getRuntime(); 
27       Process p = 
28           rt.exec(com); 
29       System.out.println("process=" + p); 
30       java.io.BufferedReader br 
31           = new java.io.BufferedReader( 
32               new InputStreamReader( 
33                   p.getInputStream())); 
34       String s = null; 
35       while ((s = br.readLine()) != null) 
36         System.out.println("dos:" + s); 
37     } 
38    
39     public static boolean isLinux() { 
40       String os = System.getProperty("os.name"); 
41       return os != null && os.toLowerCase().startsWith("linux") ? true : false; 
42     } 
43    
44     public static boolean isSolaris() { 
45       String os = System.getProperty("os.name"); 
46       return os != null && os.toLowerCase().startsWith("sun") ? true : false; 
47     } 
48    
49     public static boolean isWindows() { 
50       String os = System.getProperty("os.name"); 
51       return os != null && os.toLowerCase().startsWith("win") ? true : false; 
52     } 
53    
54   } 
55