1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 * 19 */ 20 package org.apache.mina.statemachine.event; 21 22 import org.apache.mina.statemachine.StateMachine; 23 24 /** 25 * Intercepts the {@link Event} arguments before the {@link Event} is passed 26 * to the {@link StateMachine} and allows for the arguments to be modified. 27 * This is for advanced uses only. 28 * 29 * @author The Apache MINA Project (dev@mina.apache.org) 30 */ 31 public interface EventArgumentsInterceptor { 32 33 /** 34 * Modifies the specified array of event arguments. 35 * 36 * @param arguments the original arguments. 37 * @return the new arguments. Should return the original array if no 38 * modification is needed. 39 */ 40 Object[] modify(Object[] arguments); 41 42 }