001    /*
002     * Copyright 2002-2004 The Apache Software Foundation
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     *     http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    package org.apache.commons.clazz.reflect.common;
017    
018    import java.lang.reflect.Method;
019    
020    import org.apache.commons.clazz.Clazz;
021    import org.apache.commons.clazz.ClazzAccessException;
022    import org.apache.commons.clazz.ClazzOperation;
023    
024    /**
025     * A ClazzOperation that is a wrapper for a java method.
026     * 
027     * @author <a href="mailto:dmitri@apache.org">Dmitri Plotnikov</a>
028     * @version $Id: ReflectedMethodOperation.java 155436 2005-02-26 13:17:48Z dirkv $
029     */
030    public class ReflectedMethodOperation extends ReflectedMethodFeatureSupport 
031            implements ClazzOperation 
032    {    
033        /**
034         * Constructor for ReflectedMethodOperation.
035         */
036        public ReflectedMethodOperation(Clazz declaringClazz, Method method) {
037            super(declaringClazz, method);
038        }
039    
040        /**
041         * @see ClazzOperation#invoke(Object, Object[])
042         */
043        public Object invoke(Object target, Object[] parameters) {
044            try {
045                return getMethod().invoke(target, parameters);
046            }
047            catch (Throwable e) {
048                throw new ClazzAccessException(
049                    "Cannot invoke method " + getSignature(),
050                    e);
051            }
052        }
053    }