dz.alkhwarizmix.winrak.java.model.vo.WinrakPosition.java Source code

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Here is the source code for dz.alkhwarizmix.winrak.java.model.vo.WinrakPosition.java

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////////////////////////////////////////////////////////////////////////////////
//     
//
//   ?    ?  (Copyright 2016 Fares Belhaouas)
//  ?  ? (All Rights Reserved)
//
//  NOTICE: Fares Belhaouas permits you to use, modify, and distribute this file
//  in accordance with the terms of the license agreement accompanying it.
//
////////////////////////////////////////////////////////////////////////////////

package dz.alkhwarizmix.winrak.java.model.vo;

import java.io.Serializable;

import org.apache.commons.lang.ObjectUtils;
import org.apache.commons.lang.builder.ToStringBuilder;

import dz.alkhwarizmix.framework.java.AlKhwarizmixException;
import dz.alkhwarizmix.framework.java.domain.AbstractAlKhwarizmixDomainObject;
import dz.alkhwarizmix.framework.java.domain.IAlKhwarizmixJsonObject;
import dz.alkhwarizmix.winrak.java.model.IWinrakPosition;

/**
 * <p>
 * TODO: Javadoc
 * </p>
 *
 * @author ?  (Fares Belhaouas)
 * @since     (January 02, 2016)
 */
public class WinrakPosition extends AbstractAlKhwarizmixDomainObject
        implements IWinrakPosition, IAlKhwarizmixJsonObject, Serializable, Cloneable {

    // --------------------------------------------------------------------------
    //
    // Constants
    //
    // --------------------------------------------------------------------------

    private static final long serialVersionUID = -6265964503450667114L;

    // --------------------------------------------------------------------------
    //
    // Constructors
    //
    // --------------------------------------------------------------------------

    public WinrakPosition() {
        super();
    }

    public WinrakPosition(final Double lat, final Double lng) {
        this();
        Lat = lat;
        Lon = lng;
    }

    protected WinrakPosition(final WinrakPosition other) {
        super(other);
        if (other != null) {
            Lat = other.Lat;
            Lon = other.Lon;
            address = other.address;
        }
    }

    // --------------------------------------------------------------------------
    //
    // Properties
    //
    // --------------------------------------------------------------------------

    private Double Lat;
    private Double Lon;
    private String address;

    // --------------------------------------------------------------------------
    //
    // Methods
    //
    // --------------------------------------------------------------------------

    /**
     */
    @Override
    public Object clone() {
        return new WinrakPosition(this);
    }

    /**
     */
    @Override
    protected ToStringBuilder toStringBuilder() {
        return super.toStringBuilder().append("Lat", Lat).append("Lng", Lon).append("address", address);
    }

    /*
     * (non-Javadoc)
     *
     * @see java.lang.Object#hashCode()
     */
    @Override
    public int hashCode() {
        int result = super.hashCode();
        result = continueHashCode(result, address);
        result = continueHashCode(result, Lat);
        result = continueHashCode(result, Lon);
        return result;
    }

    /*
     * (non-Javadoc)
     *
     * @see java.lang.Object#equals(java.lang.Object)
     */
    @Override
    public boolean equals(final Object other) {
        final boolean result = super.equals(other) && (getObjectAsThisClass(other) != null)
                && ObjectUtils.equals(Lat, getObjectAsThisClass(other).Lat)
                && ObjectUtils.equals(Lon, getObjectAsThisClass(other).Lon)
                && ObjectUtils.equals(address, getObjectAsThisClass(other).address);
        return result;
    }

    private WinrakPosition getObjectAsThisClass(final Object other) {
        return (other instanceof WinrakPosition) ? (WinrakPosition) other : null;
    }

    /**
     */
    @Override
    public void updateFrom(final Object sourceObject) throws AlKhwarizmixException {
        // NOOP
    }

    /**
     */
    @Override
    public void beforeDaoSaveOrUpdate(final AbstractAlKhwarizmixDomainObject object) {
        // NOOP
    }

    /**
     *
     * @param pos2
     * @return the direction to take to go to pos2
     */
    @Override
    public String directionTo(final IWinrakPosition pos2) {
        return (getLat() < pos2.getLat() ? "N" : (getLat() > pos2.getLat() ? "S" : ""))
                + (getLng() < pos2.getLng() ? "E" : (getLng() > pos2.getLng() ? "W" : ""));
    }

    /**
     * http://www.movable-type.co.uk/scripts/latlong.html
     */
    @Override
    public int distanceTo(final IWinrakPosition pos2) {
        final WinrakPosition pos1 = this;
        final Double R = 6371000.0; // metres
        final Double radLat1 = Math.toRadians(pos1.getLat());
        final Double radLat2 = Math.toRadians(pos2.getLat());
        final Double deltaLat = Math.toRadians(pos2.getLat() - pos1.getLat());
        final Double deltaLng = Math.toRadians(pos2.getLng() - pos1.getLng());
        final Double a = (Math.sin(deltaLat / 2) * Math.sin(deltaLat / 2))
                + (Math.cos(radLat1) * Math.cos(radLat2) * Math.sin(deltaLng / 2) * Math.sin(deltaLng / 2));
        final Double c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
        final Double d = R * c;
        return (d.intValue());
    }

    // --------------------------------------------------------------------------
    //
    // Getters & Setters
    //
    // --------------------------------------------------------------------------

    /**
     * {@inheritDoc}
     */
    @Override
    public String getAddress() {
        return address;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void setAddress(final String value) {
        address = value;
    }

    // ----------------------------------
    // Lat
    // ----------------------------------

    /**
     * @return the lat
     */
    @Override
    public Double getLat() {
        return Lat;
    }

    protected void setLat(final Double value) {
        Lat = value;
    }

    // ----------------------------------
    // Lng
    // ----------------------------------

    /**
     * @return the lng
     */
    @Override
    public Double getLng() {
        return Lon;
    }

    protected void setLng(final Double value) {
        Lon = value;
    }

} // Class