Main.java revision 0a6a598b7bcb38a4ca86d6585ae2e3b4933f3a08 
1/*
2 * Copyright (C) 2012 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17import java.text.DateFormat;
18import java.text.DateFormatSymbols;
19import java.text.Normalizer;
20import java.util.Arrays;
21import java.util.Calendar;
22import java.util.Currency;
23import java.util.Date;
24import java.util.Locale;
25import java.util.MissingResourceException;
26import java.util.TimeZone;
27
28/**
29 * Exercise some locale-table-driven stuff.
30 */
31public class Main {
32
33    public static void main(String[] args) {
34        try {
35            testCalendar();
36        } catch (Exception ex) {
37            ex.printStackTrace();
38        }
39
40        try {
41            testDateFormatSymbols();
42        } catch (Exception ex) {
43            ex.printStackTrace();
44        }
45
46        try {
47            testCurrency();
48        } catch (Exception ex) {
49            ex.printStackTrace();
50        }
51
52        try {
53            testNormalizer();
54        } catch (Exception ex) {
55            ex.printStackTrace();
56        }
57
58        try {
59            testIso3();
60        } catch (Exception ex) {
61            ex.printStackTrace();
62        }
63    }
64
65    static void testCalendar() {
66        TimeZone tz = TimeZone.getTimeZone("GMT");
67
68        Locale usa = new Locale("en", "US");
69        Calendar usaCal = Calendar.getInstance(tz, usa);
70        usaCal.clear();     // don't want current date/time
71        usaCal.set(2012, Calendar.JANUARY, 1);
72
73        Date when = usaCal.getTime();
74        DateFormat fmt = DateFormat.getDateInstance(DateFormat.FULL, usa);
75        fmt.setTimeZone(tz);    // defaults to local TZ; force GMT
76        System.out.println("USA(" + fmt.getTimeZone().getID() + "): "
77            + fmt.format(when));
78
79        System.out.println("USA: first="
80            + usaCal.getFirstDayOfWeek() + ", name="
81            + usaCal.getDisplayName(Calendar.DAY_OF_WEEK, Calendar.LONG, usa));
82
83
84        Locale france = new Locale("fr", "FR");
85        Calendar franceCal = Calendar.getInstance(tz, france);
86        franceCal.clear();
87        franceCal.set(2012, Calendar.JANUARY, 2);
88
89        when = franceCal.getTime();
90        fmt = DateFormat.getDateInstance(DateFormat.FULL, usa);
91        fmt.setTimeZone(tz);    // defaults to local TZ; force GMT
92        System.out.println("France(" + fmt.getTimeZone().getID() + "): "
93            + fmt.format(when));
94
95        System.out.println("France: first="
96            + franceCal.getFirstDayOfWeek() + ", name="
97            + franceCal.getDisplayName(Calendar.DAY_OF_WEEK, Calendar.LONG, france));
98    }
99
100    static void testDateFormatSymbols() {
101        Locale usa = new Locale("en", "US");
102        DateFormatSymbols syms = DateFormatSymbols.getInstance(usa);
103        String[] list = syms.getAmPmStrings();
104        System.out.println("USA dfs: " + Arrays.deepToString(list));
105    }
106
107    static void testCurrency() {
108        Locale usa = new Locale("en", "US");
109        Currency dollars = Currency.getInstance(usa);
110
111        System.out.println(usa.toString() + ": " + dollars.toString()
112            + " " + dollars.getSymbol() + dollars.getDefaultFractionDigits());
113
114        Locale japan = new Locale("jp", "JP");
115        Currency yen = Currency.getInstance(japan);
116
117        System.out.println(japan.toString() + ": " + yen.toString()
118            + " " + yen.getSymbol() + yen.getDefaultFractionDigits());
119    }
120
121    static void testNormalizer() {
122        String composed = "Bl\u00c1ah";
123        String decomposed = "Bl\u0041\u0301ah";
124        String res;
125
126        res = Normalizer.normalize(composed, Normalizer.Form.NFD);
127        if (!decomposed.equals(res)) {
128            System.err.println("Bad decompose: '" + composed + "' --> '"
129                + res + "'");
130        }
131
132        res = Normalizer.normalize(decomposed, Normalizer.Form.NFC);
133        if (!composed.equals(res)) {
134            System.err.println("Bad compose: '" + decomposed + "' --> '"
135                + res + "'");
136        }
137
138        System.out.println("Normalizer passed");
139    }
140
141    /*
142     * Test that we can set and get an ISO3 language code.  Support for this
143     * is expected by the Android framework.
144     */
145    static void testIso3() {
146        Locale loc;
147        loc = new Locale("en", "US");
148        System.out.println("loc: " + loc);
149        System.out.println(" iso3=" + loc.getISO3Language());
150
151        loc = new Locale("eng", "USA");
152        System.out.println("loc: " + loc);
153        try {
154            System.out.println(" iso3=" + loc.getISO3Language());
155        } catch (MissingResourceException mre) {
156            System.err.println("couldn't get iso3 language");
157        }
158    }
159}
160