/* * Copyright 2002-2005 the original author or authors. * * 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.springframework.aop.interceptor; import org.aopalliance.intercept.MethodInterceptor; import org.aopalliance.intercept.MethodInvocation; /** * Trivial interceptor that can be introduced in a chain to display it. * * @author Rod Johnson */ public class NopInterceptor implements MethodInterceptor { private int count; /** * @see org.aopalliance.intercept.MethodInterceptor#invoke(MethodInvocation) */ public Object invoke(MethodInvocation invocation) throws Throwable { increment(); return invocation.proceed(); } public int getCount() { return this.count; } protected void increment() { ++count; } public boolean equals(Object other) { if (!(other instanceof NopInterceptor)) { return false; } if (this == other) { return true; } return this.count == ((NopInterceptor) other).count; } }