001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements.  See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership.  The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the
007     * "License"); you may not use this file except in compliance
008     * with the License.  You may obtain a copy of the License at
009     *
010     *     http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing,
013     * software distributed under the License is distributed on an
014     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     * KIND, either express or implied.  See the License for the
016     * specific language governing permissions and limitations
017     * under the License.
018     */
019    package org.apache.shiro.aop;
020    
021    import java.lang.reflect.Method;
022    
023    /**
024     * 3rd-party API independent representation of a method invocation.  This is needed so Shiro can support other
025     * MethodInvocation instances from other AOP frameworks/APIs.
026     *
027     * @author Jeremy Haile
028     * @author Les Hazlewood
029     * @since 0.1
030     */
031    public interface MethodInvocation {
032    
033        /**
034         * Continues the method invocation chain, or if the last in the chain, the method itself.
035         *
036         * @return the result of the Method invocation.
037         * @throws Throwable if the method or chain throws a Throwable
038         */
039        Object proceed() throws Throwable;
040    
041        /**
042         * Returns the actual {@link Method Method} to be invoked.
043         *
044         * @return the actual {@link Method Method} to be invoked.
045         */
046        Method getMethod();
047    
048        /**
049         * Returns the (possibly null) arguments to be supplied to the method invocation.
050         *
051         * @return the (possibly null) arguments to be supplied to the method invocation.
052         */
053        Object[] getArguments();
054    
055        /**
056         * Returns the object that holds the current joinpoint's static part.
057         * For instance, the target object for an invocation.
058         *
059         * @return the object that holds the current joinpoint's static part.
060         * @since 1.0
061         */
062        Object getThis();
063    
064    
065    }
066