/Users/lyon/j4p/src/javagroup/misc/LaunchProcess.java
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1 /*
2 * Copyright (C) 1997, 1988 Luke Gorrie
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 675 Mass Ave, Cambridge,
17 * MA 02139, USA.
18 */
19
20 package javagroup.misc;
21
22 import javagroup.process.JProcess;
23 import javagroup.process.ProcessCreationException;
24 import javagroup.process.ProcessManager;
25 import javagroup.process.ProcessManagerHolder;
26
27 /**
28 * Simple class defining a "main" method for starting processes.
29 *
30 * @author Luke Gorrie
31 * @version $Revision: 1.1 $, $Date: 1999/01/05 11:43:11 $
32 */
33 public class LaunchProcess {
34 public static void main(String[] args) {
35 if (args.length == 0) {
36 System.err.println(
37 "Usage: LaunchProcess [-eclasspath url[,url]*] classname arg*");
38 System.exit(1);
39 }
40 StringBuffer spec_buffer = new StringBuffer();
41 for (int i = 0; i < args.length; i++) {
42 spec_buffer.append(args[i]);
43 spec_buffer.append(" ");
44 }
45 String spec = spec_buffer.toString();
46 ProcessManager pm = ProcessManagerHolder.getProcessManager();
47 try {
48 JProcess process = pm.createProcessFromString(spec);
49 process.launch();
50 process.waitFor();
51 System.err.println(
52 "Process \"" + process.toString() + "\" finished.");
53 } catch (ProcessCreationException e) {
54 System.err.println("Unable to create process: " + e);
55 System.exit(1);
56 }
57 }
58 }
59
60