01: /*
02: * (c) Copyright 2007 by Volker Bergmann. All rights reserved.
03: *
04: * Redistribution and use in source and binary forms, with or without
05: * modification, is permitted under the terms of the
06: * GNU General Public License.
07: *
08: * For redistributing this software or a derivative work under a license other
09: * than the GPL-compatible Free Software License as defined by the Free
10: * Software Foundation or approved by OSI, you must first obtain a commercial
11: * license to this software product from Volker Bergmann.
12: *
13: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
14: * WITHOUT A WARRANTY OF ANY KIND. ALL EXPRESS OR IMPLIED CONDITIONS,
15: * REPRESENTATIONS AND WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF
16: * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE
17: * HEREBY EXCLUDED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
18: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
20: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
22: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
23: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
24: * POSSIBILITY OF SUCH DAMAGE.
25: */
26:
27: package org.databene.task;
28:
29: /**
30: * Provides invocation of an implementation of java.lang.Runnable from the command line.<br/>
31: * <br/>
32: * Created: 22.01.2007 10:11:15
33: */
34: public class RunnableMain {
35:
36: /**
37: * Instantiates the class specified by args[0] and calls its run() method.
38: * The class needs to implement the interface java.lang.Runnable and to provide a public default constructor.
39: *
40: * @param args a String array of length 1 containing the name of the class to instantiate and execute
41: * @throws ClassNotFoundException if the class could not be found
42: * @throws IllegalAccessException if the constructor is not public
43: * @throws InstantiationException if the class is abstract
44: */
45: public static void main(String[] args)
46: throws ClassNotFoundException, IllegalAccessException,
47: InstantiationException {
48: assert args.length == 1;
49: String className = args[0];
50: Class<? extends Runnable> type = (Class<? extends Runnable>) Class
51: .forName(className);
52: Runnable task = type.newInstance();
53: task.run();
54: }
55: }
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