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/**
 * Copyright 2010 Västra Götalandsregionen
 *
 *   This library is free software; you can redistribute it and/or modify
 *   it under the terms of version 2.1 of the GNU Lesser General Public
 *   License as published by the Free Software Foundation.
 *
 *   This library 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 this library; if not, write to the
 *   Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 *   Boston, MA 02111-1307  USA
 */

package se.vgregion.mobile.hriv.utils;


import java.util.Scanner;

/**
 * Utility-class for geographically related conversions etc.
 */
public abstract class GeoUtil {

    /**
     * Parses an RT90 formatted string.
     *
     * @param rt90String HSA formatted RT90 coords: X: 1234567, Y: 1234567.
     * @return An array of RT90 coordinates.
     */
    public static int[] parseRT90HsaString(String rt90String) {
        int[] result = null;
        if (!"".equals(rt90String)) {
            if (rt90String.indexOf("X:") >= 0 && rt90String.indexOf("Y:") >= 0) {
                Scanner scanner = new Scanner(rt90String);
                int rt90X = Integer.parseInt(scanner.findInLine("\\d+"));
                int rt90Y = Integer.parseInt(scanner.findInLine("\\d+"));
                result = new int[]{rt90X, rt90Y};
            }
        }
        return result;
    }
}