01: /*
02: * Janino - An embedded Java[TM] compiler
03: *
04: * Copyright (c) 2006, Arno Unkrig
05: * All rights reserved.
06: *
07: * Redistribution and use in source and binary forms, with or without
08: * modification, are permitted provided that the following conditions
09: * are met:
10: *
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above
14: * copyright notice, this list of conditions and the following
15: * disclaimer in the documentation and/or other materials
16: * provided with the distribution.
17: * 3. The name of the author may not be used to endorse or promote
18: * products derived from this software without specific prior
19: * written permission.
20: *
21: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23: * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
25: * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
27: * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
29: * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
30: * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
31: * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32: */
33:
34: package org.codehaus.janino.samples;
35:
36: import java.lang.reflect.*;
37:
38: import org.codehaus.janino.*;
39:
40: /**
41: * A test program that allows you to play around with the
42: * {@link org.codehaus.janino.ClassBodyEvaluator ClassBodyEvaluator} class.
43: */
44:
45: public class ClassBodyDemo extends DemoBase {
46: public static void main(String[] args) throws Exception {
47: String script = ("import java.util.*;\n" + "\n"
48: + "public static int add(int a, int b) {\n"
49: + " return a + b;\n" + "}\n"
50: + "public String toString() {\n"
51: + " return \"HELLO\";\n" + "}\n" + "");
52:
53: Class c = new ClassBodyEvaluator(script).getClazz();
54: Method m = c.getMethod("add", new Class[] { int.class,
55: int.class });
56: Integer res = (Integer) m.invoke(null, new Object[] {
57: new Integer(7), new Integer(11), });
58: System.out.println("res = " + res);
59:
60: Object o = c.newInstance();
61: String s = o.toString();
62: System.out.println("o.toString()=" + s);
63: }
64:
65: private ClassBodyDemo() {
66: }
67: }
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