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.HashMap;
023import java.util.Map;
024import org.apache.activemq.transport.MutexTransport;
025import org.apache.activemq.transport.ResponseCorrelator;
026import org.apache.activemq.transport.Transport;
027import org.apache.activemq.transport.TransportFactory;
028import org.apache.activemq.transport.TransportServer;
029import org.apache.activemq.util.IntrospectionSupport;
030import org.apache.activemq.util.URISupport;
031import org.apache.activemq.util.URISupport.CompositeData;
032
033public class FailoverTransportFactory extends TransportFactory {
034
035    @Override
036    public Transport doConnect(URI location) throws IOException {
037        try {
038            Transport transport = createTransport(URISupport.parseComposite(location));
039            transport = new MutexTransport(transport);
040            transport = new ResponseCorrelator(transport);
041            return transport;
042        } catch (URISyntaxException e) {
043            throw new IOException("Invalid location: " + location);
044        }
045    }
046
047    @Override
048    public Transport doCompositeConnect(URI location) throws IOException {
049        try {
050            return createTransport(URISupport.parseComposite(location));
051        } catch (URISyntaxException e) {
052            throw new IOException("Invalid location: " + location);
053        }
054    }
055
056    /**
057     * @param location
058     * @return
059     * @throws IOException
060     */
061    public Transport createTransport(CompositeData compositData) throws IOException {
062        Map<String, String> options = compositData.getParameters();
063        FailoverTransport transport = createTransport(options);
064        if (!options.isEmpty()) {
065            throw new IllegalArgumentException("Invalid connect parameters: " + options);
066        }
067        transport.add(false,compositData.getComponents());
068        return transport;
069    }
070
071    public FailoverTransport createTransport(Map<String, String> parameters) throws IOException {
072        FailoverTransport transport = new FailoverTransport();
073        Map<String, Object> nestedExtraQueryOptions = IntrospectionSupport.extractProperties(parameters, "nested.");
074        IntrospectionSupport.setProperties(transport, parameters);
075        try {
076            transport.setNestedExtraQueryOptions(URISupport.createQueryString(nestedExtraQueryOptions));
077        } catch (URISyntaxException e) {
078        }
079        return transport;
080    }
081
082    @Override
083    public TransportServer doBind(URI location) throws IOException {
084        throw new IOException("Invalid server URI: " + location);
085    }
086
087}