01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * 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: * $Header:$
18: */
19: package org.apache.beehive.controls.api.bean;
20:
21: import java.lang.reflect.Method;
22:
23: /**
24: * The Extensible interface is implemented by a Java Control implementation class if the
25: * control defines an extensibility model that allows extended operations to be declared
26: * using a JCX interface.
27: * <p>
28: * The interface provides the <code>invoke</code> method, that is called whenever an
29: * extended operation is called by the client at run time.
30: */
31: public interface Extensible {
32: /**
33: * Called by the Controls runtime to handle calls to methods of an
34: * extensible control.
35: * <p>
36: * @param method The extended operation that was called.
37: * @param args Parameters of the operation.
38: * @return The value that should be returned by the operation.
39: * @throws java.lang.Throwable any exception declared on the extended operation may be
40: * thrown. If a checked exception is thrown from the implementation that is not declared
41: * on the original interface, it will be wrapped in a ControlException.
42: */
43: public Object invoke(Method method, Object[] args) throws Throwable;
44: }
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