position.java

A Java Framework for connecting to and exchanging data from GPS units to J2ME Mobile Devices. Serial

package com.libGPS4j2me;

/**
* This is a class meant for containing positions. 
*/

public class Position implements IPosition {
	private PositionRadians lat, lon;
	
	/**
	* Makes a new position. Initializes the latitude and the longitude to 0.
	*/
	public Position() {
		this(0,0);
	}
	
	/** 
	* Initializes the Position with la as the latitude and lo as the longitude.
	*/
	public Position(double la, double lo) {
		lat = new PositionRadians(la);
		lon = new PositionRadians(lo);
	}
	
	
	public Position(PositionRadians la, PositionRadians lo) {
		lat = la;
		lon = lo;
	}
	
	
	/**
	* Initializes the position object from an IPosition reference.
	*/
	public Position(IPosition pos) {
		lat = pos.getLatitude();
		lon = pos.getLongitude();
	}
	
	/**
	* Sets the latitude of this position.
	*/
	public void setLatitude(PositionRadians l) {
		lat = l;
	}

	/**
	* Sets the longitude of this position.
	*/
	public void setLongitude(PositionRadians l) {
		lon = l;
	}
	
	/**
	* Returns the latitude of this position.
	*/
	public PositionRadians getLatitude() {
		return lat;
	}
	
	/**
	* Returns the longitude of this position.
	*/
	public PositionRadians getLongitude() {
		return lon;
	}

        /**
	* This method returns the longitude of the position as String.
        * No to use here.
	*/
        public String getLongitudeStr() { return null; }
        
        /**
         * This method returns the latitude of the position as String.
         * Not to use here.
	 */
	public String getLatituteStr() {return null; }
        
	public String toString() {
		
		if ( lat == null || lon == null)
			return "error printing position packet, long or lat is null";
		return "position[" +
				String.valueOf(lat.getDegrees()) + "' " + String.valueOf((int)lat.getMinutes()) 
				+ "\" x " + String.valueOf(lon.getDegrees()) + "' " + String.valueOf((int)lon.getMinutes()) + "\"]"
				;
	}
	
}