se.ivankrizsan.messagecowboy.services.transport.TransportServiceConfiguration.java Source code

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Here is the source code for se.ivankrizsan.messagecowboy.services.transport.TransportServiceConfiguration.java

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/*
 * This file is part of Message Cowboy.
 * Copyright 2014 Ivan A Krizsan. All Rights Reserved.
 * Message Cowboy is free software:
 * you can redistribute it and/or modify it under the terms of the GNU General
 * Public License as published by the Free Software Foundation, either version 3
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package se.ivankrizsan.messagecowboy.services.transport;

import java.util.ArrayList;
import java.util.List;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.beans.factory.config.ConfigurableBeanFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Scope;

/**
 * Spring configuration class for the transport service.
 * 
 * @author Ivan Krizsan
 */
@Configuration
public class TransportServiceConfiguration {

    public static final String MULE_TRANSPORT_TYPE = "mule";
    public static final String CAMEL_TRANSPORT_TYPE = "camel";

    private static final Logger LOGGER = LoggerFactory.getLogger(TransportServiceConfiguration.class);

    /** Possible values: {@value #MULE_TRANSPORT_TYPE}, {@value #CAMEL_TRANSPORT_TYPE}. */
    @Value("${messagecowboy.transport}")
    protected String mTransportType = MULE_TRANSPORT_TYPE;

    /**
     * Transport service implementation.
     * 
     * @return Service instance.
     */
    @Bean(initMethod = "start", destroyMethod = "stop")
    @Scope(ConfigurableBeanFactory.SCOPE_SINGLETON)
    public TransportService transportService() {
        LOGGER.info("messagecowboy.transport set to {}", mTransportType);

        if (CAMEL_TRANSPORT_TYPE.equals(mTransportType)) {
            final CamelTransportService theService = new CamelTransportService();
            theService.setConnectorsResourcesLocationPattern(camelTransportServiceConfigLocations());
            return theService;
        } else {
            final MuleTransportService theService = new MuleTransportService();
            theService.setConnectorsResourcesLocationPattern(muleTransportServiceConfigLocations());
            return theService;
        }

    }

    /**
     * Location of connector and transport service configuration files
     * for the Mule implementation of the transport service.<br/>
     * This bean should be overridden and appropriate configuration locations
     * should be provided.
     * 
     * @return List of locations where the Mule transport service is to
     * search for configuration files.
     */
    @Bean
    @Scope(ConfigurableBeanFactory.SCOPE_SINGLETON)
    public List<String> muleTransportServiceConfigLocations() {
        final List<String> theLocationsList = new ArrayList<String>();

        return theLocationsList;
    }

    /**
     * Location of component configuration files used for transport in the 
     * Camel implementation of the transport service.<br/>
     * This bean should overridden and appropriate configuration locations 
     * should be provided.
     * 
     * @return List of locations where the Camel transport service is to search
     * for configuration files.
     */
    @Bean
    @Scope
    public List<String> camelTransportServiceConfigLocations() {
        final List<String> theLocationsList = new ArrayList<String>();
        return theLocationsList;
    }
}