1 /*
2 * $Id: ReflectionMetaMethod.java,v 1.4 2004/08/27 15:48:08 goetze Exp $
3 *
4 * Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.
5 *
6 * Redistribution and use of this software and associated documentation
7 * ("Software"), with or without modification, are permitted provided that the
8 * following conditions are met:
9 * 1. Redistributions of source code must retain copyright statements and
10 * notices. Redistributions must also contain a copy of this document.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name "groovy" must not be used to endorse or promote products
15 * derived from this Software without prior written permission of The Codehaus.
16 * For written permission, please contact info@codehaus.org.
17 * 4. Products derived from this Software may not be called "groovy" nor may
18 * "groovy" appear in their names without prior written permission of The
19 * Codehaus. "groovy" is a registered trademark of The Codehaus.
20 * 5. Due credit should be given to The Codehaus - http://groovy.codehaus.org/
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS ``AS IS'' AND ANY
23 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
24 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
25 * DISCLAIMED. IN NO EVENT SHALL THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR
26 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
32 * DAMAGE.
33 *
34 */
35 package org.codehaus.groovy.runtime;
36
37 import groovy.lang.MetaMethod;
38
39 import java.lang.reflect.Method;
40 import java.security.AccessController;
41 import java.security.PrivilegedAction;
42
43 public class ReflectionMetaMethod extends MetaMethod {
44 private Method method;
45 boolean alreadySetAccessible;
46
47 public ReflectionMetaMethod(Method method) {
48 super(method);
49 this.method = method;
50 }
51
52 public Object invoke(Object object, Object[] arguments) throws Exception {
53 if ( !alreadySetAccessible ) {
54 AccessController.doPrivileged(new PrivilegedAction() {
55 public Object run() {
56 method.setAccessible(true);
57 return null;
58 }
59 });
60 alreadySetAccessible = true;
61 }
62
63 // System.out.println("About to invoke method: " + method);
64 // System.out.println("Object: " + object);
65 // System.out.println("Using arguments: " + InvokerHelper.toString(arguments));
66
67 return method.invoke(object, arguments);
68 }
69 }