1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package org.apache.commons.proxy2.interceptor; 19 20 import org.apache.commons.lang3.Validate; 21 import org.apache.commons.proxy2.Interceptor; 22 import org.apache.commons.proxy2.Invocation; 23 import org.apache.commons.proxy2.Invoker; 24 25 /** 26 * Adapts an {@link Invoker} to the {@link Interceptor} interface. 27 */ 28 public class InvokerInterceptor implements Interceptor 29 { 30 private static final long serialVersionUID = 1L; 31 32 private final Invoker invoker; 33 34 public InvokerInterceptor(Invoker invoker) 35 { 36 super(); 37 this.invoker = Validate.notNull(invoker); 38 } 39 40 @Override 41 public Object intercept(Invocation invocation) throws Throwable 42 { 43 return invoker.invoke(invocation.getProxy(), invocation.getMethod(), invocation.getArguments()); 44 } 45 46 }