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}