PositionSentence.java

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package com.buglabs.nmea.sentences;

import com.buglabs.nmea.DegreesMinutesSeconds;

/**
 * A NMEA class for position.
 * 
 * @author aroman
 * 
 */
public abstract class PositionSentence extends NMEASentence {

	private String latitude;
	private String longitude;

	public PositionSentence(String type) {
		super(type);
	}

	public String getLatitude() {
		return latitude;
	}

	/**
	 * @return true if either longitude or latitude are null or empty, false
	 *         otherwise.
	 */
	public boolean isEmpty() {
		return isEmpty(latitude) || isEmpty(longitude);
	}

	/**
	 * For a given string, return true if is null or empty, false otherwise.
	 * 
	 * @param val
	 * @return
	 */
	private boolean isEmpty(String val) {
		return val == null || val.length() == 0;
	}

	protected void setLatitude(String latitude) {
		this.latitude = latitude;
	}

	public String getLongitude() {
		return longitude;
	}

	public DegreesMinutesSeconds getLatitudeAsDMS() {
		return new DegreesMinutesSeconds(getLatitude());
	}

	public DegreesMinutesSeconds getLongitudeAsDMS() {
		return new DegreesMinutesSeconds(getLongitude());
	}

	protected void setLongitude(String longitude) {
		this.longitude = longitude;
	}
}