001/**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.activemq.transport.discovery.multicast;
018
019import java.io.IOException;
020import java.net.URI;
021import java.util.Map;
022
023import org.apache.activemq.transport.discovery.DiscoveryAgent;
024import org.apache.activemq.transport.discovery.DiscoveryAgentFactory;
025import org.apache.activemq.util.IOExceptionSupport;
026import org.apache.activemq.util.IntrospectionSupport;
027import org.apache.activemq.util.URISupport;
028import org.slf4j.Logger;
029import org.slf4j.LoggerFactory;
030
031public class MulticastDiscoveryAgentFactory extends DiscoveryAgentFactory {
032        
033          private static final Logger LOG = LoggerFactory.getLogger(MulticastDiscoveryAgentFactory.class); 
034
035    
036    protected DiscoveryAgent doCreateDiscoveryAgent(URI uri) throws IOException {
037        try {
038                
039                  if (LOG.isTraceEnabled()) {      
040               LOG.trace("doCreateDiscoveryAgent: uri = " + uri.toString());               
041            }
042            
043            MulticastDiscoveryAgent mda = new MulticastDiscoveryAgent();          
044            
045            mda.setDiscoveryURI(uri);            
046                        
047            // allow MDA's params to be set via query arguments  
048            // (e.g., multicast://default?group=foo             
049            Map options = URISupport.parseParameters(uri);         
050            IntrospectionSupport.setProperties(mda, options);
051            
052            return mda;
053            
054        } catch (Throwable e) {
055            throw IOExceptionSupport.create("Could not create discovery agent: " + uri, e);
056        }
057    }
058}