/*
 
* VDRParser.java
 
* Copyright (C) 2014 Kimmo Tuukkanen
 
*
 
* This file is part of Java Marine API.
 
* < http://ktuukkan.github.io/marine-api/>
 
*
 
* Java Marine API is free software: you can redistribute it and/or modify it
 
* under the terms of the GNU Lesser General Public License as published by the
 
* Free Software Foundation, either version 3 of the License, or (at your
 
* option) any later version.
 
*
 
* Java Marine API is distributed in the hope that it will be useful, but
 
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
 
* for more details.
 
*
 
* You should have received a copy of the GNU Lesser General Public License
 
* along with Java Marine API. If not, see < http://www.gnu.org/licenses/>.
 
*/
package net.sf.marineapi.nmea.parser;

import net.sf.marineapi.nmea.sentence.SentenceId;
import net.sf.marineapi.nmea.sentence.TalkerId;
import net.sf.marineapi.nmea.sentence.VDRSentence;
import net.sf.marineapi.nmea.util.Units;

/**
 
* VDR sentence parser.
 
*
 
* @author Kimmo Tuukkanen
 
*/

class VDRParser extends SentenceParser implements VDRSentence {

	
private static final int TRUE_DIRECTION = 0;
	
private static final int TRUE_INDICATOR = 1;
	
private static final int MAGN_DIRECTION = 2;
	
private static final int MAGN_INDICATOR = 3;
	
private static final int SPEED = 4;
	
private static final int SPEED_UNITS = 5;

	
/**
	 
* Creates a new instance of VDRParser.
	 
*
 

	 
* @param nmea VDR sentence String
	 
*/

	
public VDRParser(String nmea) {
		
super(nmea);
	
}

	
/**
	 
* Creates a new empty instance of VDRParser.
	 
*
 

	 
* @param tid TalkerId to set
	 
*/

	
public VDRParser(TalkerId tid) {
		
super(tid, SentenceId.VDR, 6);
		
setCharValue(TRUE_INDICATOR, 'T');
		
setCharValue(MAGN_INDICATOR, 'M');
		
setCharValue(SPEED_UNITS, Units.KNOT.toChar());
	
}

	
/*
	 
* (non-Javadoc)
	 
*
 

	 
* @see net.sf.marineapi.nmea.sentence.VDRSentence#getMagneticDirection()
	 
*/
	
@Override
	
public double getMagneticDirection() {
		
return getDoubleValue(MAGN_DIRECTION);
	
}

	
/*
	 
* (non-Javadoc)
	 
*
 

	 
* @see net.sf.marineapi.nmea.sentence.VDRSentence#getSpeed()
	 
*/
	
@Override
	
public double getSpeed() {
		
return getDoubleValue(SPEED);
	
}

	
/*
	 
* (non-Javadoc)
	 
*
 

	 
* @see net.sf.marineapi.nmea.sentence.VDRSentence#getTrueDirection()
	 
*/
	
@Override
	
public double getTrueDirection() {
		
return getDoubleValue(TRUE_DIRECTION);
	
}

	
/*
	 
* (non-Javadoc)
	 
*
 

	 
* @see
	 
* net.sf.marineapi.nmea.sentence.VDRSentence#setMagneticDirection(double)
	 
*/
	
@Override
	
public void setMagneticDirection(double direction) {
		
setDegreesValue(MAGN_DIRECTION, direction);
	
}

	
/*
	 
* (non-Javadoc)
	 
*
 

	 
* @see net.sf.marineapi.nmea.sentence.VDRSentence#setSpeed(double)
	 
*/
	
@Override
	
public void setSpeed(double speed) {
		
setDoubleValue(SPEED, speed, 0, 1);
	
}

	
/*
	 
* (non-Javadoc)
	 
*
 

	 
* @see net.sf.marineapi.nmea.sentence.VDRSentence#setTrueDirection(double)
	 
*/
	
@Override
	
public void setTrueDirection(double direction) {
		
setDegreesValue(TRUE_DIRECTION, direction);
	
}

}