com.sitewhere.mongodb.device.MongoDeviceLocation.java Source code

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Here is the source code for com.sitewhere.mongodb.device.MongoDeviceLocation.java

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/*
 * Copyright (c) SiteWhere, LLC. All rights reserved. http://www.sitewhere.com
 *
 * The software in this package is published under the terms of the CPAL v1.0
 * license, a copy of which has been included with this distribution in the
 * LICENSE.txt file.
 */
package com.sitewhere.mongodb.device;

import com.mongodb.BasicDBObject;
import com.mongodb.DBObject;
import com.sitewhere.mongodb.MongoConverter;
import com.sitewhere.rest.model.device.event.DeviceLocation;
import com.sitewhere.spi.device.event.IDeviceLocation;

/**
 * Used to load or save device location data to MongoDB.
 * 
 * @author dadams
 */
public class MongoDeviceLocation implements MongoConverter<IDeviceLocation> {

    /** Element that holds location information */
    public static final String PROP_LATLONG = "latLong";

    /** Property for latitude */
    public static final String PROP_LATITUDE = "latitude";

    /** Property for longitude */
    public static final String PROP_LONGITUDE = "longitude";

    /** Property for elevation */
    public static final String PROP_ELEVATION = "elevation";

    /*
     * (non-Javadoc)
     * 
     * @see com.sitewhere.dao.mongodb.MongoConverter#convert(java.lang.Object)
     */
    public BasicDBObject convert(IDeviceLocation source) {
        return MongoDeviceLocation.toDBObject(source, false);
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.sitewhere.dao.mongodb.MongoConverter#convert(com.mongodb.DBObject)
     */
    public IDeviceLocation convert(DBObject source) {
        return MongoDeviceLocation.fromDBObject(source, false);
    }

    /**
     * Copy information from SPI into Mongo DBObject.
     * 
     * @param source
     * @param target
     * @param isNested
     */
    public static void toDBObject(IDeviceLocation source, BasicDBObject target, boolean isNested) {
        MongoDeviceEvent.toDBObject(source, target, isNested);

        BasicDBObject locFields = new BasicDBObject();
        locFields.append(PROP_LONGITUDE, source.getLongitude());
        locFields.append(PROP_LATITUDE, source.getLatitude());
        target.append(PROP_LATLONG, locFields);
        if (source.getElevation() != null) {
            target.append(PROP_ELEVATION, source.getElevation());
        }
    }

    /**
     * Copy information from Mongo DBObject to model object.
     * 
     * @param source
     * @param target
     * @param isNested
     */
    public static void fromDBObject(DBObject source, DeviceLocation target, boolean isNested) {
        MongoDeviceEvent.fromDBObject(source, target, isNested);

        DBObject location = (DBObject) source.get(PROP_LATLONG);
        Double latitude = (Double) location.get(PROP_LATITUDE);
        Double longitude = (Double) location.get(PROP_LONGITUDE);
        Double elevation = (Double) source.get(PROP_ELEVATION);

        target.setLatitude(latitude);
        target.setLongitude(longitude);
        target.setElevation(elevation);
    }

    /**
     * Convert SPI object to Mongo DBObject.
     * 
     * @param source
     * @param isNested
     * @return
     */
    public static BasicDBObject toDBObject(IDeviceLocation source, boolean isNested) {
        BasicDBObject result = new BasicDBObject();
        MongoDeviceLocation.toDBObject(source, result, isNested);
        return result;
    }

    /**
     * Convert a DBObject into the SPI equivalent.
     * 
     * @param source
     * @param isNested
     * @return
     */
    public static DeviceLocation fromDBObject(DBObject source, boolean isNested) {
        DeviceLocation result = new DeviceLocation();
        MongoDeviceLocation.fromDBObject(source, result, isNested);
        return result;
    }
}