001 /* 002 * $Id: ReflectionMetaMethod.java,v 1.6 2005/10/03 18:07:36 tug Exp $ 003 * 004 * Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved. 005 * 006 * Redistribution and use of this software and associated documentation 007 * ("Software"), with or without modification, are permitted provided that the 008 * following conditions are met: 009 * 1. Redistributions of source code must retain copyright statements and 010 * notices. Redistributions must also contain a copy of this document. 011 * 2. Redistributions in binary form must reproduce the above copyright 012 * notice, this list of conditions and the following disclaimer in the 013 * documentation and/or other materials provided with the distribution. 014 * 3. The name "groovy" must not be used to endorse or promote products 015 * derived from this Software without prior written permission of The Codehaus. 016 * For written permission, please contact info@codehaus.org. 017 * 4. Products derived from this Software may not be called "groovy" nor may 018 * "groovy" appear in their names without prior written permission of The 019 * Codehaus. "groovy" is a registered trademark of The Codehaus. 020 * 5. Due credit should be given to The Codehaus - http://groovy.codehaus.org/ 021 * 022 * THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS ``AS IS'' AND ANY 023 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 024 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 025 * DISCLAIMED. IN NO EVENT SHALL THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR 026 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 027 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 028 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 029 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 030 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 031 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH 032 * DAMAGE. 033 * 034 */ 035 package org.codehaus.groovy.runtime; 036 037 import groovy.lang.MetaMethod; 038 039 import java.lang.reflect.Method; 040 import java.security.AccessController; 041 import java.security.PrivilegedAction; 042 043 public class ReflectionMetaMethod extends MetaMethod { 044 private Method method; 045 boolean alreadySetAccessible; 046 047 public ReflectionMetaMethod(Method method) { 048 super(method); 049 this.method = method; 050 } 051 052 public Object invoke(Object object, Object[] arguments) throws Exception { 053 if ( !alreadySetAccessible ) { 054 AccessController.doPrivileged(new PrivilegedAction() { 055 public Object run() { 056 method.setAccessible(true); 057 return null; 058 } 059 }); 060 alreadySetAccessible = true; 061 } 062 063 // System.out.println("About to invoke method: " + method); 064 // System.out.println("Object: " + object); 065 // System.out.println("Using arguments: " + InvokerHelper.toString(arguments)); 066 067 return method.invoke(object, arguments); 068 } 069 }