1 /* 2 * $Id: ReflectionMetaMethod.java,v 1.6 2005/10/03 18:07:36 tug 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 }