01 /*
02 * SPDX-License-Identifier: Apache-2.0
03 *
04 * Copyright 2008-2017 the original author or authors.
05 *
06 * Licensed under the Apache License, Version 2.0 (the "License");
07 * you may not use this file except in compliance with the License.
08 * You may obtain a copy of the License at
09 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18 package griffon.core.formatters;
19
20 import javax.annotation.Nullable;
21 import java.util.Locale;
22
23 import static griffon.util.GriffonApplicationUtils.parseLocale;
24 import static griffon.util.GriffonNameUtils.isNotBlank;
25
26 /**
27 * @author Andres Almiray
28 * @since 2.5.0
29 */
30 public class LocaleFormatter extends AbstractFormatter<Locale> {
31 @Nullable
32 @Override
33 public String format(@Nullable Locale locale) {
34 if (locale == null) { return null; }
35 StringBuilder b = new StringBuilder();
36 b.append(locale.getLanguage());
37 if (isNotBlank(locale.getCountry())) {
38 b.append("_").append(locale.getCountry());
39 if (isNotBlank(locale.getVariant())) {
40 b.append("_").append(locale.getVariant());
41 }
42 }
43
44 return b.toString();
45 }
46
47 @Nullable
48 @Override
49 public Locale parse(@Nullable String str) throws ParseException {
50 return parseLocale(str);
51 }
52 }
|