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1
28
29 package org.objectweb.carol.jtests.conform.util;
30
31 import java.io.BufferedWriter  ;
32 import java.io.IOException ;
33 import java.io.OutputStreamWriter ;
34 import java.io.UnsupportedEncodingException ;
35 import java.net.Socket ;
36 import java.net.UnknownHostException ;
37 import java.util.Arrays ;
38
39
44 public class ProcessStopper {
45
46
49 private ProcessStopper() {
50
51 }
52
53
58 public static void main(String [] args) {
59 if (args.length != 1) {
60 throw new IllegalArgumentException ("expected the port number, but got: " + Arrays.asList(args));
61 }
62 final int port = Integer.parseInt(args[0]);
63 final String host = "localhost";
64
65 final Socket socket;
66 try {
67 socket = new Socket (host, port);
68 } catch (UnknownHostException ex) {
69 throw new RuntimeException ("no such host: " + host, ex);
70 } catch (IOException ex) {
71 System.err.println("ProcessStopper: couldn't connect to " + host + ":" + port);
72 return;
73 }
74
75 final BufferedWriter writer;
76
77 try {
78 writer = new BufferedWriter (new OutputStreamWriter (socket.getOutputStream(), ProcessRunner.STREAM_ENCODING));
79 } catch (UnsupportedEncodingException ex) {
80 throw new RuntimeException ("can't happen", ex);
81 } catch (IOException ex) {
82 throw new RuntimeException (ex);
83 }
84
85 try {
86 writer.write(ProcessRunner.SHUTDOWN_COMMAND);
87 writer.newLine();
88 writer.flush();
89 socket.close();
90 } catch (IOException ex) {
91 throw new RuntimeException ("Error sending a shutdown command", ex);
92 }
93 }
94 } |
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