8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package sun.util.cldr;
27
28 import java.io.File;
29 import java.security.AccessController;
30 import java.security.PrivilegedAction;
31 import java.text.spi.BreakIteratorProvider;
32 import java.text.spi.CollatorProvider;
33 import java.util.Collections;
34 import java.util.HashSet;
35 import java.util.Locale;
36 import java.util.ResourceBundle;
37 import java.util.Set;
38 import java.util.StringTokenizer;
39 import java.util.spi.TimeZoneNameProvider;
40 import sun.util.locale.provider.JRELocaleProviderAdapter;
41 import sun.util.locale.provider.LocaleProviderAdapter;
42
43 /**
44 * LocaleProviderAdapter implementation for the CLDR locale data.
45 *
46 * @author Masayoshi Okutsu
47 * @author Naoto Sato
48 */
49 public class CLDRLocaleProviderAdapter extends JRELocaleProviderAdapter {
50 private static final String LOCALE_DATA_JAR_NAME = "cldrdata.jar";
51
52 public CLDRLocaleProviderAdapter() {
53 final String sep = File.separator;
54 String localeDataJar = java.security.AccessController.doPrivileged(
55 new sun.security.action.GetPropertyAction("java.home"))
56 + sep + "lib" + sep + "ext" + sep + LOCALE_DATA_JAR_NAME;
57
58 // Peek at the installed extension directory to see if the jar file for
59 // CLDR resources is installed or not.
60 final File f = new File(localeDataJar);
61 boolean result = AccessController.doPrivileged(
62 new PrivilegedAction<Boolean>() {
63 @Override
64 public Boolean run() {
65 return f.exists();
66 }
67 });
68 if (!result) {
69 throw new UnsupportedOperationException();
70 }
71 }
72
73 /**
74 * Returns the type of this LocaleProviderAdapter
75 * @return the type of this
76 */
77 @Override
78 public LocaleProviderAdapter.Type getAdapterType() {
79 return LocaleProviderAdapter.Type.CLDR;
80 }
81
82 @Override
83 public BreakIteratorProvider getBreakIteratorProvider() {
84 return null;
85 }
86
87 @Override
88 public CollatorProvider getCollatorProvider() {
89 return null;
90 }
91
92 @Override
93 public Locale[] getAvailableLocales() {
94 Set<String> all = createLanguageTagSet("All");
95 Locale[] locs = new Locale[all.size()];
96 int index = 0;
97 for (String tag : all) {
98 locs[index++] = Locale.forLanguageTag(tag);
99 }
100 return locs;
101 }
102
103 @Override
104 protected Set<String> createLanguageTagSet(String category) {
105 ResourceBundle rb = ResourceBundle.getBundle("sun.util.cldr.CLDRLocaleDataMetaInfo", Locale.ROOT);
106 if (rb.containsKey(category)) {
107 return Collections.emptySet();
108 }
109 String supportedLocaleString = rb.getString(category);
110 Set<String> tagset = new HashSet<>();
111 StringTokenizer tokens = new StringTokenizer(supportedLocaleString);
112 while (tokens.hasMoreTokens()) {
113 tagset.add(tokens.nextToken());
114 }
115 return tagset;
116 }
117 }
|
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package sun.util.cldr;
27
28 import java.security.AccessController;
29 import java.security.PrivilegedActionException;
30 import java.security.PrivilegedExceptionAction;
31 import java.text.spi.BreakIteratorProvider;
32 import java.text.spi.CollatorProvider;
33 import java.util.Collections;
34 import java.util.HashSet;
35 import java.util.Locale;
36 import java.util.ServiceLoader;
37 import java.util.Set;
38 import java.util.StringTokenizer;
39 import sun.util.locale.provider.JRELocaleProviderAdapter;
40 import sun.util.locale.provider.LocaleProviderAdapter;
41 import sun.util.locale.provider.LocaleDataMetaInfo;
42
43 /**
44 * LocaleProviderAdapter implementation for the CLDR locale data.
45 *
46 * @author Masayoshi Okutsu
47 * @author Naoto Sato
48 */
49 public class CLDRLocaleProviderAdapter extends JRELocaleProviderAdapter {
50
51 private LocaleDataMetaInfo metaInfo;
52
53 public CLDRLocaleProviderAdapter() {
54 try {
55 metaInfo = AccessController.doPrivileged(new PrivilegedExceptionAction<LocaleDataMetaInfo>() {
56 @Override
57 public LocaleDataMetaInfo run() {
58 for (LocaleDataMetaInfo ldmi : ServiceLoader.loadInstalled(LocaleDataMetaInfo.class)) {
59 if (ldmi.getType() == LocaleProviderAdapter.Type.CLDR) {
60 return ldmi;
61 }
62 }
63 return null;
64 }
65 });
66 } catch (Exception e) {
67 // catch any exception, and fail gracefully.
68 }
69
70 if (metaInfo == null) {
71 throw new UnsupportedOperationException();
72 }
73 }
74
75 /**
76 * Returns the type of this LocaleProviderAdapter
77 * @return the type of this
78 */
79 @Override
80 public LocaleProviderAdapter.Type getAdapterType() {
81 return LocaleProviderAdapter.Type.CLDR;
82 }
83
84 @Override
85 public BreakIteratorProvider getBreakIteratorProvider() {
86 return null;
87 }
88
89 @Override
90 public CollatorProvider getCollatorProvider() {
91 return null;
92 }
93
94 @Override
95 public Locale[] getAvailableLocales() {
96 Set<String> all = createLanguageTagSet("AvailableLocales");
97 Locale[] locs = new Locale[all.size()];
98 int index = 0;
99 for (String tag : all) {
100 locs[index++] = Locale.forLanguageTag(tag);
101 }
102 return locs;
103 }
104
105 @Override
106 protected Set<String> createLanguageTagSet(String category) {
107 String supportedLocaleString = metaInfo.availableLanguageTags(category);
108 if (supportedLocaleString == null) {
109 return Collections.emptySet();
110 }
111 Set<String> tagset = new HashSet<>();
112 StringTokenizer tokens = new StringTokenizer(supportedLocaleString);
113 while (tokens.hasMoreTokens()) {
114 tagset.add(tokens.nextToken());
115 }
116 return tagset;
117 }
118 }
|