SiteWhereConfiguration.java

/**
 * Copyright (c) 2010-2016 by the respective copyright holders.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 */
package org.openhab.persistence.sitewhere.internal;

import java.util.Map;

import org.slf4j.Logger;

/**
 * Configures how openHAB items are mapped to SiteWhere devices.
 *
 * @author Derek
 */
public class SiteWhereConfiguration {

    /** Configuration field for default hardware id */
    public static final String CONFIG_DEFAULT_HARDWARE_ID = "defaultHardwareId";

    /** Configuration field for specification token if creating device */
    public static final String CONFIG_SPECIFICATION_TOKEN = "specificationToken";

    /** Configuration field for MQTT hostname agent will contact */
    public static final String CONFIG_MQTT_HOST = "mqttHost";

    /** Configuration field for MQTT port agent will contact */
    public static final String CONFIG_MQTT_PORT = "mqttPort";

    /** Default hardware id for unmapped items */
    private String defaultHardwareId = "123-OPENHAB-234908324";

    /** Default device specification token */
    private String deviceSpecificationToken = "5a95f3f2-96f0-47f9-b98d-f5c081d01948";

    /** Connection Information */
    private Connection connection;

    public String getDefaultHardwareId() {
        return defaultHardwareId;
    }

    public void setDefaultHardwareId(String defaultHardwareId) {
        this.defaultHardwareId = defaultHardwareId;
    }

    public String getDeviceSpecificationToken() {
        return deviceSpecificationToken;
    }

    public void setDeviceSpecificationToken(String deviceSpecificationToken) {
        this.deviceSpecificationToken = deviceSpecificationToken;
    }

    public Connection getConnection() {
        return connection;
    }

    public void setConnection(Connection connection) {
        this.connection = connection;
    }

    public SiteWhereConfiguration(Map<String, Object> config, Logger logger) {

        // Load hardware id if configured.
        String hwid = (String) config.get(SiteWhereConfiguration.CONFIG_DEFAULT_HARDWARE_ID);
        if (hwid != null) {
            setDefaultHardwareId(hwid);
        }

        // Load specification token for new registration if configured.
        String spec = (String) config.get(SiteWhereConfiguration.CONFIG_SPECIFICATION_TOKEN);
        if (spec != null) {
            setDeviceSpecificationToken(spec);
        }

        // Load connection parameters for MQTT broker.
        Connection conn = new Connection();
        String host = (String) config.get(SiteWhereConfiguration.CONFIG_MQTT_HOST);
        if (host != null) {
            conn.setMqttHost(host);
        }
        String port = (String) config.get(SiteWhereConfiguration.CONFIG_MQTT_PORT);
        if (port != null) {
            try {
                conn.setMqttPort(Integer.parseInt(port));
            } catch (NumberFormatException e) {
                logger.warn("SiteWhere MQTT port was non-numeric: " + port);
            }
        }
        setConnection(conn);
    }

    /**
     * Connection parameters for MQTT connectivity.
     * 
     * @author Derek
     */
    public static class Connection {

        /** Hostname for MQTT server */
        private String mqttHost = "localhost";

        /** Port for MQTT server */
        private int mqttPort = 1883;

        public String getMqttHost() {
            return mqttHost;
        }

        public void setMqttHost(String mqttHost) {
            this.mqttHost = mqttHost;
        }

        public int getMqttPort() {
            return mqttPort;
        }

        public void setMqttPort(int mqttPort) {
            this.mqttPort = mqttPort;
        }
    }
}