GeneorRegionComparator.java

package org.seqcode.projects.seqview.components;


import java.util.Comparator;

import org.seqcode.genome.location.Gene;

class GeneorRegionComparator implements Comparator<Object> {
    
    public int compare(Object a, Object b) {
        if (a instanceof Gene &&
            b instanceof Gene) {
            Gene x = (Gene)a;
            Gene y=  (Gene)b;
            String k1 = x.getName() != null? x.getName() : x.toString();
            String k2 = y.getName() != null ? y.getName() : y.toString();
            return k1.compareTo(k2);
        } else {
            if (a == null) {
                return 1;
            } else {
                if (b == null) {
                    return -1;
                } else {
                    return a.toString().compareTo(b.toString());
                }
            }
        }
    }

}