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ActiveMQ example source code file (TcpTransportFactory.java)

This example ActiveMQ source code file (TcpTransportFactory.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - ActiveMQ tags/keywords

io, ioexception, ioexception, map, map, net, network, object, openwireformat, serversocketfactory, socketfactory, string, tcptransport, tcptransport, tcptransportserver, uri, uri, util

The ActiveMQ TcpTransportFactory.java source code

/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.activemq.transport.tcp;

import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.UnknownHostException;
import java.util.HashMap;
import java.util.Map;

import javax.net.ServerSocketFactory;
import javax.net.SocketFactory;

import org.apache.activemq.openwire.OpenWireFormat;
import org.apache.activemq.transport.InactivityMonitor;
import org.apache.activemq.transport.Transport;
import org.apache.activemq.transport.TransportFactory;
import org.apache.activemq.transport.TransportLoggerFactory;
import org.apache.activemq.transport.TransportServer;
import org.apache.activemq.transport.WireFormatNegotiator;
import org.apache.activemq.util.IOExceptionSupport;
import org.apache.activemq.util.IntrospectionSupport;
import org.apache.activemq.util.URISupport;
import org.apache.activemq.wireformat.WireFormat;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * @author David Martin Clavo david(dot)martin(dot)clavo(at)gmail.com (logging improvement modifications)
 *
 */
public class TcpTransportFactory extends TransportFactory {
    private static final Logger LOG = LoggerFactory.getLogger(TcpTransportFactory.class);

    public TransportServer doBind(final URI location) throws IOException {
        try {
            Map<String, String> options = new HashMap(URISupport.parseParameters(location));

            ServerSocketFactory serverSocketFactory = createServerSocketFactory();
            TcpTransportServer server = createTcpTransportServer(location, serverSocketFactory);
            server.setWireFormatFactory(createWireFormatFactory(options));
            IntrospectionSupport.setProperties(server, options);
            Map<String, Object> transportOptions = IntrospectionSupport.extractProperties(options, "transport.");
            server.setTransportOption(transportOptions);
            server.bind();

            return server;
        } catch (URISyntaxException e) {
            throw IOExceptionSupport.create(e);
        }
    }

    /**
     * Allows subclasses of TcpTransportFactory to create custom instances of
     * TcpTransportServer.
     *
     * @param location
     * @param serverSocketFactory
     * @return
     * @throws IOException
     * @throws URISyntaxException
     */
    protected TcpTransportServer createTcpTransportServer(final URI location, ServerSocketFactory serverSocketFactory) throws IOException, URISyntaxException {
        return new TcpTransportServer(this, location, serverSocketFactory);
    }

    public Transport compositeConfigure(Transport transport, WireFormat format, Map options) {

        TcpTransport tcpTransport = (TcpTransport)transport.narrow(TcpTransport.class);
        IntrospectionSupport.setProperties(tcpTransport, options);

        Map<String, Object> socketOptions = IntrospectionSupport.extractProperties(options, "socket.");
        tcpTransport.setSocketOptions(socketOptions);

        if (tcpTransport.isTrace()) {
            try {
                transport = TransportLoggerFactory.getInstance().createTransportLogger(transport, tcpTransport.getLogWriterName(),
                        tcpTransport.isDynamicManagement(), tcpTransport.isStartLogging(), tcpTransport.getJmxPort());
            } catch (Throwable e) {
                LOG.error("Could not create TransportLogger object for: " + tcpTransport.getLogWriterName() + ", reason: " + e, e);
            }
        }

        boolean useInactivityMonitor = "true".equals(getOption(options, "useInactivityMonitor", "true"));
        if (useInactivityMonitor && isUseInactivityMonitor(transport)) {
            transport = new InactivityMonitor(transport, format);
            IntrospectionSupport.setProperties(transport, options);
        }


        // Only need the WireFormatNegotiator if using openwire
        if (format instanceof OpenWireFormat) {
            transport = new WireFormatNegotiator(transport, (OpenWireFormat)format, tcpTransport.getMinmumWireFormatVersion());
        }

        return super.compositeConfigure(transport, format, options);
    }

    /**
     * Returns true if the inactivity monitor should be used on the transport
     */
    protected boolean isUseInactivityMonitor(Transport transport) {
        return true;
    }

    protected Transport createTransport(URI location, WireFormat wf) throws UnknownHostException, IOException {
        URI localLocation = null;
        String path = location.getPath();
        // see if the path is a local URI location
        if (path != null && path.length() > 0) {
            int localPortIndex = path.indexOf(':');
            try {
                Integer.parseInt(path.substring(localPortIndex + 1, path.length()));
                String localString = location.getScheme() + ":/" + path;
                localLocation = new URI(localString);
            } catch (Exception e) {
                LOG.warn("path isn't a valid local location for TcpTransport to use", e.getMessage());
                if(LOG.isDebugEnabled()) {
                    LOG.debug("Failure detail", e);
                }
            }
        }
        SocketFactory socketFactory = createSocketFactory();
        return createTcpTransport(wf, socketFactory, location, localLocation);
    }

    /**
     * Allows subclasses of TcpTransportFactory to provide a create custom
     * TcpTransport intances.
     *
     * @param location
     * @param wf
     * @param socketFactory
     * @param localLocation
     * @return
     * @throws UnknownHostException
     * @throws IOException
     */
    protected TcpTransport createTcpTransport(WireFormat wf, SocketFactory socketFactory, URI location, URI localLocation) throws UnknownHostException, IOException {
        return new TcpTransport(wf, socketFactory, location, localLocation);
    }

    protected ServerSocketFactory createServerSocketFactory() throws IOException {
        return ServerSocketFactory.getDefault();
    }

    protected SocketFactory createSocketFactory() throws IOException {
        return SocketFactory.getDefault();
    }
}

Other ActiveMQ examples (source code examples)

Here is a short list of links related to this ActiveMQ TcpTransportFactory.java source code file:

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