/*
 * Copyright 2005-2008 Les Hazlewood
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jsecurity.aop;

/**
 * A <tt>MethodInterceptor</tt> intercepts a <tt>MethodInvocation</tt> to perform before or after logic (aka 'advice').
 *
 * <p>JSecurity's implementations of this interface mostly have to deal with ensuring a current Subject has the
 * ability to execute the method before allowing it to continue.
 *
 * @since 0.2
 * @author Les Hazlewood
 */
public interface MethodInterceptor {
    
    Object invoke( MethodInvocation methodInvocation ) throws Throwable;

}