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.failover;
018
019import java.io.IOException;
020import java.net.URI;
021import java.net.URISyntaxException;
022import java.util.Map;
023import org.apache.activemq.transport.MutexTransport;
024import org.apache.activemq.transport.ResponseCorrelator;
025import org.apache.activemq.transport.Transport;
026import org.apache.activemq.transport.TransportFactory;
027import org.apache.activemq.transport.TransportServer;
028import org.apache.activemq.util.IntrospectionSupport;
029import org.apache.activemq.util.URISupport;
030import org.apache.activemq.util.URISupport.CompositeData;
031
032public class FailoverTransportFactory extends TransportFactory {
033
034    @Override
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    @Override
047    public Transport doCompositeConnect(URI location) throws IOException {
048        try {
049            return createTransport(URISupport.parseComposite(location));
050        } catch (URISyntaxException e) {
051            throw new IOException("Invalid location: " + location);
052        }
053    }
054
055    /**
056     * @param location
057     * @return
058     * @throws IOException
059     */
060    public Transport createTransport(CompositeData compositData) throws IOException {
061        Map<String, String> options = compositData.getParameters();
062        FailoverTransport transport = createTransport(options);
063        if (!options.isEmpty()) {
064            throw new IllegalArgumentException("Invalid connect parameters: " + options);
065        }
066        transport.add(false,compositData.getComponents());
067        return transport;
068    }
069
070    public FailoverTransport createTransport(Map<String, String> parameters) throws IOException {
071        FailoverTransport transport = new FailoverTransport();
072        IntrospectionSupport.setProperties(transport, parameters);
073        return transport;
074    }
075
076    @Override
077    public TransportServer doBind(URI location) throws IOException {
078        throw new IOException("Invalid server URI: " + location);
079    }
080
081}