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1
4 package com.tc.admin.common;
5
6 import java.util.prefs.Preferences  ;
7
8 public class PrefsHelper {
9 private static PrefsHelper m_helper = new PrefsHelper();
10
11 public static PrefsHelper getHelper() {
12 return m_helper;
13 }
14
15 public Preferences userNodeFor(Object object) {
16 return userNodeForClass(object.getClass());
17 }
18
19 public Preferences userNodeForClass(Class clas) {
20 String path = "/" + clas.getName().replace('.', '/');
21 return Preferences.userRoot().node(path);
22 }
23
24 public String [] keys(Preferences prefs) {
25 try {
26 return prefs.keys();
27 }
28 catch(Exception e) {
29 e.printStackTrace();
30 return new String [] {};
31 }
32 }
33
34 public String [] childrenNames(Preferences prefs) {
35 try {
36 return prefs.childrenNames();
37 }
38 catch(Exception e) {
39 e.printStackTrace();
40 return new String [] {};
41 }
42 }
43
44 public void flush(Preferences prefs) {
45 try {
46 prefs.flush();
47 } catch(Exception e) {}
48 }
49
50 public void clearKeys(Preferences prefs) {
51 try {
52 prefs.clear();
53 } catch(Exception e) {}
54 }
55
56 public void clearChildren(Preferences prefs) {
57 try {
58 String [] names = prefs.childrenNames();
59
60 for(int i = 0; i < names.length; i++) {
61 prefs.node(names[i]).removeNode();
62 }
63 } catch(Exception e) {}
64 }
65 }
66 |
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