1 files changed, 164 insertions, 0 deletions
diff --git a/src/main/java/org/geojson/LngLatAlt.java b/src/main/java/org/geojson/LngLatAlt.java
new file mode 100644
index 0000000..0ffa8ac
--- /dev/null
+++ b/src/main/java/org/geojson/LngLatAlt.java
@@ -0,0 +1,164 @@
+package org.geojson;
+
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import org.geojson.jackson.LngLatAltDeserializer;
+import org.geojson.jackson.LngLatAltSerializer;
+
+import java.io.Serializable;
+import java.util.Arrays;
+
+@JsonDeserialize(using = LngLatAltDeserializer.class)
+@JsonSerialize(using = LngLatAltSerializer.class)
+public class LngLatAlt implements Serializable{
+
+	private double longitude;
+	private double latitude;
+	private double altitude = Double.NaN;
+	private double[] additionalElements = new double[0];
+
+	public LngLatAlt() {
+	}
+
+	public LngLatAlt(double longitude, double latitude) {
+		this.longitude = longitude;
+		this.latitude = latitude;
+	}
+
+	public LngLatAlt(double longitude, double latitude, double altitude) {
+		this.longitude = longitude;
+		this.latitude = latitude;
+		this.altitude = altitude;
+	}
+
+	/**
+	 * Construct a LngLatAlt with additional elements.
+	 * The specification allows for any number of additional elements in a position, after lng, lat, alt.
+	 * http://geojson.org/geojson-spec.html#positions
+	 * @param longitude The longitude.
+	 * @param latitude The latitude.
+	 * @param altitude The altitude.
+	 * @param additionalElements The additional elements.
+     */
+	public LngLatAlt(double longitude, double latitude, double altitude, double... additionalElements) {
+		this.longitude = longitude;
+		this.latitude = latitude;
+		this.altitude = altitude;
+
+		setAdditionalElements(additionalElements);
+		checkAltitudeAndAdditionalElements();
+	}
+
+	public boolean hasAltitude() {
+		return !Double.isNaN(altitude);
+	}
+
+	public boolean hasAdditionalElements() {
+		return additionalElements.length > 0;
+	}
+
+	public double getLongitude() {
+		return longitude;
+	}
+
+	public void setLongitude(double longitude) {
+		this.longitude = longitude;
+	}
+
+	public double getLatitude() {
+		return latitude;
+	}
+
+	public void setLatitude(double latitude) {
+		this.latitude = latitude;
+	}
+
+	public double getAltitude() {
+		return altitude;
+	}
+
+	public void setAltitude(double altitude) {
+		this.altitude = altitude;
+		checkAltitudeAndAdditionalElements();
+	}
+
+	public double[] getAdditionalElements() {
+		return additionalElements;
+	}
+
+	public void setAdditionalElements(double... additionalElements) {
+		if (additionalElements != null) {
+			this.additionalElements = additionalElements;
+		} else {
+			this.additionalElements = new double[0];
+		}
+
+		for(double element : this.additionalElements) {
+			if (Double.isNaN(element)) {
+				throw new IllegalArgumentException("No additional elements may be NaN.");
+			}
+			if (Double.isInfinite(element)) {
+				throw new IllegalArgumentException("No additional elements may be infinite.");
+			}
+		}
+
+		checkAltitudeAndAdditionalElements();
+	}
+
+	@Override
+	public boolean equals(Object o) {
+		if (this == o) {
+			return true;
+		}
+		if (!(o instanceof LngLatAlt)) {
+			return false;
+		}
+		LngLatAlt lngLatAlt = (LngLatAlt)o;
+		return Double.compare(lngLatAlt.latitude, latitude) == 0 && Double.compare(lngLatAlt.longitude, longitude) == 0
+				&& Double.compare(lngLatAlt.altitude, altitude) == 0 &&
+				Arrays.equals(lngLatAlt.getAdditionalElements(), additionalElements);
+	}
+
+	@Override
+	public int hashCode() {
+		long temp = Double.doubleToLongBits(longitude);
+		int result = (int)(temp ^ (temp >>> 32));
+		temp = Double.doubleToLongBits(latitude);
+		result = 31 * result + (int)(temp ^ (temp >>> 32));
+		temp = Double.doubleToLongBits(altitude);
+		result = 31 * result + (int)(temp ^ (temp >>> 32));
+		for(double element : additionalElements) {
+			temp = Double.doubleToLongBits(element);
+			result = 31 * result + (int) (temp ^ (temp >>> 32));
+		}
+		return result;
+	}
+
+	@Override
+	public String toString() {
+		String s =  "LngLatAlt{" + "longitude=" + longitude + ", latitude=" + latitude + ", altitude=" + altitude;
+
+		if (hasAdditionalElements()) {
+			s += ", additionalElements=[";
+
+			String suffix = "";
+			for (Double element : additionalElements) {
+				if (element != null) {
+					s += suffix + element;
+					suffix = ", ";
+				}
+			}
+			s += ']';
+		}
+
+		s += '}';
+
+		return s;
+	}
+
+	private void checkAltitudeAndAdditionalElements() {
+		if (!hasAltitude() && hasAdditionalElements()) {
+			throw new IllegalArgumentException("Additional Elements are only valid if Altitude is also provided.");
+		}
+	}
+}