01: /*
02: * $Id: ReflectionMetaMethod.java 4254 2006-11-23 20:38:19Z blackdrag $
03: *
04: * Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.
05: *
06: * Redistribution and use of this software and associated documentation
07: * ("Software"), with or without modification, are permitted provided that the
08: * following conditions are met:
09: * 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.InvocationTargetException;
40: import java.lang.reflect.Method;
41: import java.security.AccessController;
42: import java.security.PrivilegedAction;
43:
44: public class ReflectionMetaMethod extends MetaMethod {
45: private Method method;
46: boolean alreadySetAccessible;
47:
48: public ReflectionMetaMethod(Method method) {
49: super (method);
50: this .method = method;
51: }
52:
53: public Object invoke(Object object, Object[] arguments) {
54: if (!alreadySetAccessible) {
55: AccessController.doPrivileged(new PrivilegedAction() {
56: public Object run() {
57: method.setAccessible(true);
58: return null;
59: }
60: });
61: alreadySetAccessible = true;
62: }
63:
64: // System.out.println("About to invoke method: " + method);
65: // System.out.println("Object: " + object);
66: // System.out.println("Using arguments: " + InvokerHelper.toString(arguments));
67:
68: try {
69: return method.invoke(object, arguments);
70: } catch (IllegalArgumentException e) {
71: throw new InvokerInvocationException(e);
72: } catch (IllegalAccessException e) {
73: throw new InvokerInvocationException(e);
74: } catch (InvocationTargetException e) {
75: throw new InvokerInvocationException(e);
76: }
77: }
78: }
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