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Java > Open Source Codes > org > apache > activemq > transport > discovery > multicast > MulticastDiscoveryAgentFactory


1 /**
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one or more
4  * contributor license agreements. See the NOTICE file distributed with
5  * this work for additional information regarding copyright ownership.
6  * The ASF licenses this file to You under the Apache License, Version 2.0
7  * (the "License"); you may not use this file except in compliance with
8  * 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, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  */
18 package org.apache.activemq.transport.discovery.multicast;
19
20 import org.apache.activemq.transport.discovery.DiscoveryAgent;
21 import org.apache.activemq.transport.discovery.DiscoveryAgentFactory;
22 import org.apache.activemq.util.IOExceptionSupport;
23 import org.apache.activemq.util.IntrospectionSupport;
24 import org.apache.activemq.util.URISupport;
25
26 import java.io.IOException JavaDoc;
27 import java.net.URI JavaDoc;
28 import java.util.Map JavaDoc;
29
30 public class MulticastDiscoveryAgentFactory extends DiscoveryAgentFactory {
31
32     protected DiscoveryAgent doCreateDiscoveryAgent(URI JavaDoc uri) throws IOException JavaDoc {
33         try {
34             
35             Map JavaDoc options = URISupport.parseParamters(uri);
36             MulticastDiscoveryAgent rc = new MulticastDiscoveryAgent();
37             rc.setGroup(uri.getHost());
38
39             // allow the discoveryURI to be set via a query argument on the URI
40 // ?discoveryURI=someURI
41 IntrospectionSupport.setProperties(rc, options);
42             return rc;
43             
44         } catch (Throwable JavaDoc e) {
45             throw IOExceptionSupport.create("Could not create discovery agent: " + uri, e);
46         }
47     }
48 }
49
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