+ public String[] sort(String[] s) {
+ Arrays.sort(s);
+ return s;
+ }
+
+ public String[] files() {
+ String[] s = path.list(filter);
+ Arrays.sort(s, comparator);
+ return s;
+ }
+
+ private static Comparator<String> comparator = new Comparator<String>() {
+ public int compare(String a, String b) {
+ if (a.indexOf('.')==-1) return a.compareTo(b);
+ if (b.indexOf('.')==-1) return a.compareTo(a);
+ int ai = Integer.parseInt(a.substring(0, a.indexOf('.')));
+ int bi = Integer.parseInt(b.substring(0, b.indexOf('.')));
+ return ai<bi ? -1 : ai>bi ? 1 : 0;
+ }
+ };