1 /***
2 * Redistribution and use of this software and associated documentation
3 * ("Software"), with or without modification, are permitted provided
4 * that the following conditions are met:
5 *
6 * 1. Redistributions of source code must retain copyright
7 * statements and notices. Redistributions must also contain a
8 * copy of this document.
9 *
10 * 2. Redistributions in binary form must reproduce the
11 * above copyright notice, this list of conditions and the
12 * following disclaimer in the documentation and/or other
13 * materials provided with the distribution.
14 *
15 * 3. The name "Exolab" must not be used to endorse or promote
16 * products derived from this Software without prior written
17 * permission of Exoffice Technologies. For written permission,
18 * please contact tma@netspace.net.au.
19 *
20 * 4. Products derived from this Software may not be called "Exolab"
21 * nor may "Exolab" appear in their names without prior written
22 * permission of Exoffice Technologies. Exolab is a registered
23 * trademark of Exoffice Technologies.
24 *
25 * 5. Due credit should be given to the Exolab Project
26 * (http://www.exolab.org/).
27 *
28 * THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS
29 * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
30 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
31 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
32 * EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
33 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
34 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
35 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
37 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
39 * OF THE POSSIBILITY OF SUCH DAMAGE.
40 *
41 * Copyright 2001-2004 (C) Exoffice Technologies Inc. All Rights Reserved.
42 *
43 * $Id: ApplicationRunner.java,v 1.3 2004/01/31 13:44:24 tanderson Exp $
44 */
45 package org.exolab.jmscts.core;
46
47 import java.lang.reflect.Method;
48 import java.rmi.Naming;
49
50 import org.exolab.jmscts.core.service.ExecutionMonitorListener;
51
52
53 /***
54 * ApplicationRunner executes an application, notifying
55 * {@link org.exolab.jmscts.core.service.ExecutionMonitorService} when the
56 * application starts and stops.<br>
57 * Instances of this class are executed in a separate JVM by
58 * {@link AsyncExecutor}
59 *
60 * @version $Revision: 1.3 $ $Date: 2004/01/31 13:44:24 $
61 * @author <a href="mailto:tma@netspace.net.au">Tim Anderson</a>
62 * @see AsyncExecutor
63 */
64 final class ApplicationRunner {
65
66 /***
67 * Prevent construction of utility class
68 */
69 private ApplicationRunner() {
70 }
71
72 /***
73 * Main line to execute the tool
74 *
75 * @param args command line arguments
76 * @throws Exception for any error
77 */
78 public static void main(String[] args) throws Exception {
79 final int count = 3; // expect 3 args
80 if (args.length < count) {
81 System.err.println(
82 "usage: " + ApplicationRunner.class.getName()
83 + " <app id> <port> <class> [arguments]");
84 System.exit(1);
85 }
86
87 String id = args[0];
88 String port = args[1];
89 String app = args[2];
90
91 // look up the execution monitor listener
92 String name = "//localhost:" + port + "/ExecutionListener";
93 ExecutionMonitorListener listener =
94 (ExecutionMonitorListener) Naming.lookup(name);
95
96 // load the application
97 Class application = Class.forName(app);
98 Class[] params = new Class[]{String[].class};
99 Method method = application.getMethod("main", params);
100
101 // notify the listener that this has started
102 listener.started(id);
103
104 // strip off the arguments required by this
105 String[] filteredArgs = new String[args.length - count];
106 System.arraycopy(args, count, filteredArgs, 0, args.length - count);
107
108 try {
109 // start the application
110 method.invoke(null, new Object[]{filteredArgs});
111 } catch (Throwable throwable) {
112 throwable.printStackTrace();
113 listener.error(id, throwable);
114 }
115 }
116
117 }
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