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Java > Open Source Codes > org > apache > hivemind > management > impl > MBeanServerFactory


1 // Copyright 2005 The Apache Software Foundation
2
//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
14

15 package org.apache.hivemind.management.impl;
16
17 import java.util.List JavaDoc;
18
19 import javax.management.MBeanServer JavaDoc;
20
21 import org.apache.hivemind.ServiceImplementationFactory;
22 import org.apache.hivemind.ServiceImplementationFactoryParameters;
23
24 /**
25  * An implementation of {@link org.apache.hivemind.ServiceImplementationFactory} that creates a
26  * MBeanServer using {@link javax.management.MBeanServerFactory}. Searches for an existing
27  * MBeanServer first, and creates a new one if none has been found
28  *
29  * @author Achim Huegen
30  * @since 1.1
31  */

32 public class MBeanServerFactory implements ServiceImplementationFactory
33 {
34
35     public Object JavaDoc createCoreServiceImplementation(
36             ServiceImplementationFactoryParameters factoryParameters)
37     {
38         String JavaDoc serverId = null;
39         MBeanServer JavaDoc server = null;
40         List JavaDoc servers = javax.management.MBeanServerFactory.findMBeanServer(serverId);
41         if (servers != null && servers.size() > 0)
42             server = (MBeanServer JavaDoc) servers.get(0);
43         else
44             server = javax.management.MBeanServerFactory.createMBeanServer();
45
46         return server;
47     }
48
49 }
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