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Java Marine API is an NMEA 0183 library for Java (http://ktuukkan.github.io/marine-api/).

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/* 
 * MTWParser.java
 * Copyright (C) 2011 Warren Zahra
 * 
 * This file is part of Java 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 .
 */
package net.sf.marineapi.nmea.parser;

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

/**
 * MTW Sentence parser.
 * 
 * @author Warren Zahra, Kimmo Tuukkanen
 */
class MTWParser extends SentenceParser implements MTWSentence {

	private static final int TEMPERATURE = 0;
	private static final int UNIT_INDICATOR = 1;

	/**
	 * Creates new instance of MTWParser with specified sentence.
	 * 
	 * @param nmea MTW sentence string
	 */
	public MTWParser(String nmea) {
		super(nmea);
	}

	/**
	 * Creates new MTW parse without data.
	 * 
	 * @param tid TalkerId to set
	 */
	public MTWParser(TalkerId tid) {
		super(tid, SentenceId.MTW, 2);
		setCharValue(UNIT_INDICATOR, Units.CELSIUS.toChar());
	}

	/*
	 * (non-Javadoc)
	 * @see net.sf.marineapi.nmea.sentence.MTWSentence#getTemperature()
	 */
	public double getTemperature() {
		return getDoubleValue(TEMPERATURE);
	}

	/*
	 * (non-Javadoc)
	 * @see net.sf.marineapi.nmea.sentence.MTWSentence#setTemperature(double)
	 */
	public void setTemperature(double temp) {
		setDoubleValue(TEMPERATURE, temp, 1, 2);
	}

}