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Java Marine API is an NMEA 0183 library for Java (http://ktuukkan.github.io/marine-api/).
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/*
 * DTMParser.java
 * Copyright (C) 2014 Kimmo Tuukkanen
 * 
 * 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.DTMSentence;
import net.sf.marineapi.nmea.sentence.SentenceId;
import net.sf.marineapi.nmea.sentence.TalkerId;

/**
 * DTM parser.
 * 
 * @author Kimmo Tuukkanen
 */
class DTMParser extends SentenceParser implements DTMSentence {

	private static final int DATUM_CODE = 0;
	private static final int DATUM_SUBCODE = 1;
	private static final int LATITUDE_OFFSET = 2;
	private static final int LAT_OFFSET_HEMISPHERE = 3;
	private static final int LONGITUDE_OFFSET = 4;
	private static final int LON_OFFSET_HEMISPHERE = 5;
	private static final int ALTITUDE_OFFSET = 6;
	private static final int DATUM_NAME = 7;

	/**
	 * Creates a new instance of DTMParser.
	 */
	public DTMParser(String nmea) {
		super(nmea, SentenceId.DTM);
	}

	public DTMParser(TalkerId talker) {
		super(talker, SentenceId.DTM, 8);
	}
	
	/*
	 * (non-Javadoc)
	 * 
	 * @see net.sf.marineapi.nmea.sentence.DTMSentence#getAltitudeOffset()
	 */
	@Override
	public double getAltitudeOffset() {
		return getDoubleValue(ALTITUDE_OFFSET);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see net.sf.marineapi.nmea.sentence.DTMSentence#getDatumCode()
	 */
	@Override
	public String getDatumCode() {
		return getStringValue(DATUM_CODE);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see net.sf.marineapi.nmea.sentence.DTMSentence#getDatumSubCode()
	 */
	@Override
	public String getDatumSubCode() {
		return getStringValue(DATUM_SUBCODE);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see net.sf.marineapi.nmea.sentence.DTMSentence#getLatitudeOffset()
	 */
	@Override
	public double getLatitudeOffset() {
		return getDoubleValue(LATITUDE_OFFSET);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see net.sf.marineapi.nmea.sentence.DTMSentence#getLongitudeOffset()
	 */
	@Override
	public double getLongitudeOffset() {
		return getDoubleValue(LONGITUDE_OFFSET);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see net.sf.marineapi.nmea.sentence.DTMSentence#getName()
	 */
	@Override
	public String getName() {
		return getStringValue(DATUM_NAME);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * net.sf.marineapi.nmea.sentence.DTMSentence#setDatumCode(java.lang.String)
	 */
	@Override
	public void setDatumCode(String code) {
		setStringValue(DATUM_CODE, code);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * net.sf.marineapi.nmea.sentence.DTMSentence#setDatumSubCode(java.lang.
	 * String)
	 */
	@Override
	public void setDatumSubCode(String code) {
		setStringValue(DATUM_SUBCODE, code);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see net.sf.marineapi.nmea.sentence.DTMSentence#setLatitudeOffset(double)
	 */
	@Override
	public void setLatitudeOffset(double offset) {
		setDoubleValue(LATITUDE_OFFSET, offset, 1, 4);
		if(offset < 0) {
			setCharValue(LAT_OFFSET_HEMISPHERE, 'S');
		} else {
			setCharValue(LAT_OFFSET_HEMISPHERE, 'N');
		}
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * net.sf.marineapi.nmea.sentence.DTMSentence#setLongitudeOffset(double)
	 */
	@Override
	public void setLongitudeOffset(double offset) {
		setDoubleValue(LONGITUDE_OFFSET, offset, 1, 4);
		if(offset < 0) {
			setCharValue(LON_OFFSET_HEMISPHERE, 'W');
		} else {
			setCharValue(LON_OFFSET_HEMISPHERE, 'E');
		}
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see net.sf.marineapi.nmea.sentence.DTMSentence#setName(java.lang.String)
	 */
	@Override
	public void setName(String name) {
		setStringValue(DATUM_NAME, name);
	}

}