FormattedNumberSorter.java

package mekhq.gui.sorter;

import java.text.DecimalFormat;
import java.util.Comparator;



    /**
     * A comparator for numbers that have been formatted with DecimalFormat
     * @author Jay Lawson
     *
     */
    public class FormattedNumberSorter implements Comparator<String> {
        private static final String PLUS_SIGN = "+"; //$NON-NLS-1$
        private static final DecimalFormat FORMAT = new DecimalFormat();

        @Override
        public int compare(String s0, String s1) {
            // Cut off leading "+" sign if there
            if(s0.startsWith(PLUS_SIGN)) {
                s0 = s0.substring(1);
            }
            if(s1.startsWith(PLUS_SIGN)) {
                s1 = s1.substring(1);
            }
            // Empty cells are smaller than all numbers
            if((s0.length() == 0) && (s1.length() == 0)) {
                return 0;
            }
            if(s0.length() == 0) {
                return -1;
            }
            if(s1.length() == 0) {
                return 1;
            }
            //lets find the weight class integer for each name
            long l0 = 0;
            try {
                l0 = FORMAT.parse(s0).longValue();
            } catch (java.text.ParseException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            long l1 = 0;
            try {
                l1 = FORMAT.parse(s1).longValue();
            } catch (java.text.ParseException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            return Long.compare(l0, l1);
        }
    }