|
1 import java.io.BufferedReader  ;
2 import java.io.IOException ;
3 import java.io.InputStream ;
4 import java.io.InputStreamReader ;
5
6 import ch.ethz.ssh2.Connection;
7 import ch.ethz.ssh2.Session;
8 import ch.ethz.ssh2.StreamGobbler;
9
10 public class StdoutAndStderr
11 {
12 public static void main(String [] args)
13 {
14 String hostname = "127.0.0.1";
15 String username = "joe";
16 String password = "joespass";
17
18 try
19 {
20
21
22 Connection conn = new Connection(hostname);
23
24
25
26 conn.connect();
27
28
29
30 boolean isAuthenticated = conn.authenticateWithPassword(username, password);
31
32 if (isAuthenticated == false)
33 throw new IOException ("Authentication failed.");
34
35
36
37 Session sess = conn.openSession();
38
39 sess.execCommand("echo \"Text on STDOUT\"; echo \"Text on STDERR\" >&2");
40
41 InputStream stdout = new StreamGobbler(sess.getStdout());
42 InputStream stderr = new StreamGobbler(sess.getStderr());
43
44 BufferedReader stdoutReader = new BufferedReader (new InputStreamReader (stdout));
45 BufferedReader stderrReader = new BufferedReader (new InputStreamReader (stderr));
46
47 System.out.println("Here is the output from stdout:");
48
49 while (true)
50 {
51 String line = stdoutReader.readLine();
52 if (line == null)
53 break;
54 System.out.println(line);
55 }
56
57 System.out.println("Here is the output from stderr:");
58
59 while (true)
60 {
61 String line = stderrReader.readLine();
62 if (line == null)
63 break;
64 System.out.println(line);
65 }
66
67
68
69 sess.close();
70
71
72
73 conn.close();
74
75 }
76 catch (IOException e)
77 {
78 e.printStackTrace(System.err);
79 System.exit(2);
80 }
81 }
82 }
83 |
Popular Tags |
Java API By Example, From Geeks To Geeks.