1 |
|
---|
2 | <%@ page import="java.io.*,java.util.*,java.awt.image.*,javax.imageio.*" %>
|
---|
3 |
|
---|
4 | <%!
|
---|
5 | public int GCD(int a, int b) {
|
---|
6 | if (b==0) return a;
|
---|
7 | return GCD(b,a%b);
|
---|
8 | }
|
---|
9 |
|
---|
10 | ArrayList<File> listFilesForFolder(final File folder, String matchExt) {
|
---|
11 | ArrayList<File> fileList = new ArrayList<File>();
|
---|
12 |
|
---|
13 | for (final File fileEntry : folder.listFiles()) {
|
---|
14 | if (fileEntry.isFile()) {
|
---|
15 | if (fileEntry.getName().toLowerCase().endsWith(matchExt)) {
|
---|
16 | fileList.add(fileEntry);
|
---|
17 | }
|
---|
18 | }
|
---|
19 | }
|
---|
20 |
|
---|
21 | return fileList;
|
---|
22 | }
|
---|
23 |
|
---|
24 | ArrayList<File> listFilesForFolderRecursive(final File folder, String matchExt) {
|
---|
25 | ArrayList<File> fileList = new ArrayList<File>();
|
---|
26 |
|
---|
27 | for (final File fileEntry : folder.listFiles()) {
|
---|
28 | if (fileEntry.isDirectory()) {
|
---|
29 | listFilesForFolder(fileEntry,matchExt);
|
---|
30 | } else {
|
---|
31 | if (fileEntry.getName().toLowerCase().endsWith(matchExt)) {
|
---|
32 | fileList.add(fileEntry);
|
---|
33 | }
|
---|
34 | }
|
---|
35 | }
|
---|
36 |
|
---|
37 | return fileList;
|
---|
38 | }
|
---|
39 |
|
---|
40 |
|
---|
41 |
|
---|
42 | public static Map<String, Integer> sortByComparator(Map<String, Integer> unsortMap)
|
---|
43 | {
|
---|
44 |
|
---|
45 | // Convert Map to List
|
---|
46 | List<Map.Entry<String, Integer>> list
|
---|
47 | = new LinkedList<Map.Entry<String, Integer>>(unsortMap.entrySet());
|
---|
48 |
|
---|
49 | // Sort list with comparator, to compare the Map values
|
---|
50 | Collections.sort(list, new Comparator<Map.Entry<String, Integer>>() {
|
---|
51 | public int compare(Map.Entry<String, Integer> o1,
|
---|
52 | Map.Entry<String, Integer> o2) {
|
---|
53 | return (o2.getValue()).compareTo(o1.getValue());
|
---|
54 | }
|
---|
55 | });
|
---|
56 |
|
---|
57 | // Convert sorted map back to a Map
|
---|
58 | Map<String, Integer> sortedMap = new LinkedHashMap<String, Integer>();
|
---|
59 | for (Iterator<Map.Entry<String, Integer>> it = list.iterator(); it.hasNext();) {
|
---|
60 | Map.Entry<String, Integer> entry = it.next();
|
---|
61 | sortedMap.put(entry.getKey(), entry.getValue());
|
---|
62 | }
|
---|
63 |
|
---|
64 | return sortedMap;
|
---|
65 | }
|
---|
66 | /*
|
---|
67 | public static void printMap(Map<String, Integer> map)
|
---|
68 | {
|
---|
69 | for (Map.Entry<String, Integer> entry : map.entrySet()) {
|
---|
70 | out.println("[Key] : " + entry.getKey()
|
---|
71 | + " [Value] : " + entry.getValue() + "br />");
|
---|
72 | }
|
---|
73 | }
|
---|
74 | */
|
---|
75 |
|
---|
76 |
|
---|
77 | %>
|
---|
78 |
|
---|