ActiveMQ example source code file (HttpTransportFactory.java)

This example ActiveMQ source code file (HttpTransportFactory.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

hashmap, httpclienttransport, httptransportfactory, httptransportserver, io, ioexception, map, map, net, network, string, textwireformat, textwireformat, transport, transport, util, wireformat, wireformat

The ActiveMQ HttpTransportFactory.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.http;

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

import org.apache.activemq.transport.InactivityMonitor;
import org.apache.activemq.transport.MutexTransport;
import org.apache.activemq.transport.ThreadNameFilter;
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.util.TextWireFormat;
import org.apache.activemq.transport.xstream.XStreamWireFormat;
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 HttpTransportFactory extends TransportFactory {
    
    private static final Logger LOG = LoggerFactory.getLogger(HttpTransportFactory.class);

    public TransportServer doBind(URI location) throws IOException {
        try {
            Map<String, String> options = new HashMap(URISupport.parseParameters(location));
            HttpTransportServer result = new HttpTransportServer(location, this);
            Map<String, Object> transportOptions = IntrospectionSupport.extractProperties(options, "transport.");
            result.setTransportOption(transportOptions);
            return result;
        } catch (URISyntaxException e) {
            throw IOExceptionSupport.create(e);
        }
    }

    protected TextWireFormat asTextWireFormat(WireFormat wireFormat) {
        if (wireFormat instanceof TextWireFormat) {
            return (TextWireFormat)wireFormat;
        }
        LOG.trace("Not created with a TextWireFormat: " + wireFormat);
        return new XStreamWireFormat();
    }

    protected String getDefaultWireFormatType() {
        return "xstream";
    }

    protected Transport createTransport(URI location, WireFormat wf) throws IOException {
        TextWireFormat textWireFormat = asTextWireFormat(wf);
        return new HttpClientTransport(textWireFormat, location);
    }

    public Transport serverConfigure(Transport transport, WireFormat format, HashMap options) throws Exception {
        return compositeConfigure(transport, format, options);
    }

    public Transport compositeConfigure(Transport transport, WireFormat format, Map options) {
        transport = super.compositeConfigure(transport, format, options);
        HttpClientTransport httpTransport = (HttpClientTransport)transport.narrow(HttpClientTransport.class);
        if(httpTransport != null && httpTransport.isTrace() ) {
            try {
                transport = TransportLoggerFactory.getInstance().createTransportLogger(transport);
            } catch (Throwable e) {
                LOG.error("Could not create TransportLogger object for: " + TransportLoggerFactory.defaultLogWriterName + ", reason: " + e, e);
            }
        }
        boolean useInactivityMonitor = "true".equals(getOption(options, "useInactivityMonitor", "true"));
        if (useInactivityMonitor) {
            transport = new InactivityMonitor(transport, null /* ignore wire format as no negotiation over http */);
            IntrospectionSupport.setProperties(transport, options);
        }

        return transport;
    }

}