/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package routegui;

import java.io.*;
import java.util.logging.Level;
import java.util.logging.Logger;


/**
 *
 * @author rick
 */
public class GPS {
    /* http://www.roseindia.net/java/beginners/java-read-file-line-by-line.shtml */

    private DataInputStream in;
    private BufferedReader br;
    public GPRMC data = new GPRMC();
    
    /* http://www.codepedia.com/1/The+GPRMC+Sentence */

    public void GPS() {        
    }
    
    public void init(String inputFile) {
        try {
            FileInputStream fstream = new FileInputStream(inputFile);
            in = new DataInputStream(fstream);
            br = new BufferedReader(new InputStreamReader(in));

        } catch (FileNotFoundException ex) {
            Logger.getLogger(GPS.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
    
    public boolean next() {
        String strLine;
        Boolean result;
        /* Try fething new line, bail out if fails */
        while (true) {
            try {
                strLine = br.readLine();
                if (strLine == null) {
                    return false;
                }
            } catch (IOException ex) {
                return false;
            }
            result = data.process(strLine);
            if (result) {
                return true;
            }
        }
    }
    
    @Override
    protected void finalize() throws Throwable
    {
        in.close();
        super.finalize();
    }
}