ProfilerTreeTable.java 文件源码

private Comparator getComparator() {
    SortOrder sortOrder = getSortOrder();
    if (SortOrder.UNSORTED.equals(sortOrder)) return null;

    final boolean ascending = SortOrder.ASCENDING.equals(sortOrder);
    final int sortColumn = getSortColumn();
    boolean sortingTree = JTree.class.equals(model.getColumnClass(sortColumn));
    final Comparator comparator = sortingTree ? null : getComparator(sortColumn);

    return new Comparator() {
        public int compare(Object o1, Object o2) {
            int result;
            if (comparator == null) {
                String s1 = o1.toString();
                String s2 = o2.toString();
                result = s1.compareTo(s2);
            } else {
                Object v1 = model.getValueAt((TreeNode)o1, sortColumn);
                Object v2 = model.getValueAt((TreeNode)o2, sortColumn);
                result = comparator.compare(v1, v2);
            }

            return ascending ? result : result * -1;
        }
    };
}