|
1
33 package net.myvietnam.mvncore.i18n;
34
35 import java.text.MessageFormat  ;
36 import java.util.*;
37
38
39 import org.apache.commons.logging.Log;
40 import org.apache.commons.logging.LogFactory;
41
42 public class CacheResourceBundle {
43
44 private static Log log = LogFactory.getLog(CacheResourceBundle.class);
45
46 private String bundleName = null;
47
48 private Hashtable cacheResourceBundle = new Hashtable();
49
50 public CacheResourceBundle(String bundleName) {
51 if (bundleName == null) {
52 throw new IllegalArgumentException ("bundleName cannot be null.");
53 }
54 this.bundleName = bundleName;
55 }
56
57
62 public ResourceBundle getResourceBundle(Locale locale) {
63 if (locale == null) {
64 locale = Locale.ENGLISH;
65 }
66 ResourceBundle resourceBundle = (ResourceBundle)cacheResourceBundle.get(locale);
67 if (resourceBundle == null) {
68 try {
69 resourceBundle = ResourceBundle.getBundle(bundleName, locale);
70 } catch (MissingResourceException e) {
71 log.error("Cannot load the ResourceBundle = " + bundleName);
72
73 log.info("Using EmptyResourceBundle because cannot load ResourceBundle = " + bundleName);
74 resourceBundle = new EmptyResourceBundle();
75 }
76 cacheResourceBundle.put(locale, resourceBundle);
77 }
78 return resourceBundle;
79 }
80
81 public String getString(Locale locale, String key) {
82 ResourceBundle resourceBundle = getResourceBundle(locale);
83 try {
84 return resourceBundle.getString(key);
85 } catch (Exception ex) {
86 return "[[" + key + "]]";
87 }
88 }
89
90 public String getString(Locale locale, String key, Object [] args) {
91 ResourceBundle resourceBundle = getResourceBundle(locale);
92 try {
93 String message = resourceBundle.getString(key);
94
95 MessageFormat formatter = new MessageFormat (message);
96 if (locale != null) {
97 formatter.setLocale(locale);
98 }
99 message = formatter.format(args);
100 return message;
101 } catch (Exception ex) {
102 return "[[[" + key + "]]]";
103 }
104 }
105 }
106 |
Popular Tags |
Java API By Example, From Geeks To Geeks.