org.elkoserver.server.context
Class GeoPosition

java.lang.Object
  org.elkoserver.server.context.GeoPosition

All Implemented Interfaces:

Encodable, Position

public class GeoPosition
extends Object
implements Position

Position class representing a latitude/longitude position on the surface of the earth.

Field Summary

double	lat Position latitude, in decimal degrees.
double	lon Position longitude, in decimal degrees.

Constructor Summary

GeoPosition(double lat, double lon)
JSON-driven constructor.

Method Summary

JSONLiteral	encode(EncodeControl control) Encode this position for transmission or persistence.
static void	setPosition(BasicObject obj, double lat, double lon) Generate a new geo-position and assign it to an object.
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

lat

public final double lat

Position latitude, in decimal degrees.

lon

public final double lon

Position longitude, in decimal degrees.

Constructor Detail

GeoPosition

@JSONMethod(value={"lat","lon"})
public GeoPosition(double lat,
                                   double lon)

JSON-driven constructor.

Parameters:

lat - Latitude (decimal degrees)

lon - Longitude (decimal degrees)

Method Detail

encode

public JSONLiteral encode(EncodeControl control)

Encode this position for transmission or persistence.

Specified by:

encode in interface Encodable

Parameters:

control - Encode control determining what flavor of encoding should be done.

Returns:

a JSON literal representing this position.

setPosition

public static void setPosition(BasicObject obj,
                               double lat,
                               double lon)

Generate a new geo-position and assign it to an object.

Parameters:

obj - The object to be given the new position

lat - The new latitude

lon - The new longitude

toString

public String toString()

Overrides:

toString in class Object