01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one
03: * or more contributor license agreements. See the NOTICE file
04: * distributed with this work for additional information
05: * regarding copyright ownership. The ASF licenses this file
06: * to you under the Apache License, Version 2.0 (the
07: * "License"); you may not use this file except in compliance
08: * with the License. You may obtain a copy of the License at
09: *
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 04:01:17 -0600 (Sat, 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: }
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