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 * @version $Rev: 586695 $, $Date: 2007-10-20 12:01:17 +0200 (sam, 20 oct 2007) $
31 */
32 public interface EventArgumentsInterceptor {
33
34 /**
35 * Modifies the specified array of event arguments.
36 *
37 * @param arguments the original arguments.
38 * @return the new arguments. Should return the original array if no
39 * modification is needed.
40 */
41 Object[] modify(Object[] arguments);
42
43 }