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 */ 017 package org.apache.activemq.transport.failover; 018 019 import java.io.IOException; 020 import java.net.URI; 021 import java.net.URISyntaxException; 022 import java.util.Map; 023 024 import org.apache.activemq.transport.MutexTransport; 025 import org.apache.activemq.transport.ResponseCorrelator; 026 import org.apache.activemq.transport.Transport; 027 import org.apache.activemq.transport.TransportFactory; 028 import org.apache.activemq.transport.TransportServer; 029 import org.apache.activemq.util.IntrospectionSupport; 030 import org.apache.activemq.util.URISupport; 031 import org.apache.activemq.util.URISupport.CompositeData; 032 033 public class FailoverTransportFactory extends TransportFactory { 034 035 public Transport doConnect(URI location) throws IOException { 036 try { 037 Transport transport = createTransport(URISupport.parseComposite(location)); 038 transport = new MutexTransport(transport); 039 transport = new ResponseCorrelator(transport); 040 return transport; 041 } catch (URISyntaxException e) { 042 throw new IOException("Invalid location: " + location); 043 } 044 } 045 046 public Transport doCompositeConnect(URI location) throws IOException { 047 try { 048 return createTransport(URISupport.parseComposite(location)); 049 } catch (URISyntaxException e) { 050 throw new IOException("Invalid location: " + location); 051 } 052 } 053 054 /** 055 * @param location 056 * @return 057 * @throws IOException 058 */ 059 public Transport createTransport(CompositeData compositData) throws IOException { 060 Map options = compositData.getParameters(); 061 FailoverTransport transport = createTransport(options); 062 if (!options.isEmpty()) { 063 throw new IllegalArgumentException("Invalid connect parameters: " + options); 064 } 065 transport.add(compositData.getComponents()); 066 return transport; 067 } 068 069 public FailoverTransport createTransport(Map parameters) throws IOException { 070 FailoverTransport transport = new FailoverTransport(); 071 IntrospectionSupport.setProperties(transport, parameters); 072 return transport; 073 } 074 075 public TransportServer doBind(URI location) throws IOException { 076 throw new IOException("Invalid server URI: " + location); 077 } 078 079 }