time_formatting.cc revision c7f5f8508d98d5952d42ed7648c2a8f30a4da156 
1// Copyright (c) 2009 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "base/i18n/time_formatting.h"
6
7#include "base/logging.h"
8#include "base/scoped_ptr.h"
9#include "base/string_util.h"
10#include "base/time.h"
11#include "unicode/datefmt.h"
12
13using base::Time;
14
15namespace {
16
17std::wstring TimeFormat(const icu::DateFormat* formatter,
18                        const Time& time) {
19  DCHECK(formatter);
20  icu::UnicodeString date_string;
21
22  formatter->format(static_cast<UDate>(time.ToDoubleT() * 1000), date_string);
23  std::wstring output;
24  bool success = UTF16ToWide(date_string.getBuffer(), date_string.length(),
25      &output);
26  DCHECK(success);
27  return output;
28}
29
30}
31
32namespace base {
33
34std::wstring TimeFormatTimeOfDay(const Time& time) {
35  // We can omit the locale parameter because the default should match
36  // Chrome's application locale.
37  scoped_ptr<icu::DateFormat> formatter(
38      icu::DateFormat::createTimeInstance(icu::DateFormat::kShort));
39  return TimeFormat(formatter.get(), time);
40}
41
42std::wstring TimeFormatShortDate(const Time& time) {
43  scoped_ptr<icu::DateFormat> formatter(
44      icu::DateFormat::createDateInstance(icu::DateFormat::kMedium));
45  return TimeFormat(formatter.get(), time);
46}
47
48std::wstring TimeFormatShortDateNumeric(const Time& time) {
49  scoped_ptr<icu::DateFormat> formatter(
50      icu::DateFormat::createDateInstance(icu::DateFormat::kShort));
51  return TimeFormat(formatter.get(), time);
52}
53
54std::wstring TimeFormatShortDateAndTime(const Time& time) {
55  scoped_ptr<icu::DateFormat> formatter(
56      icu::DateFormat::createDateTimeInstance(icu::DateFormat::kShort));
57  return TimeFormat(formatter.get(), time);
58}
59
60std::wstring TimeFormatFriendlyDateAndTime(const Time& time) {
61  scoped_ptr<icu::DateFormat> formatter(
62      icu::DateFormat::createDateTimeInstance(icu::DateFormat::kFull));
63  return TimeFormat(formatter.get(), time);
64}
65
66std::wstring TimeFormatFriendlyDate(const Time& time) {
67  scoped_ptr<icu::DateFormat> formatter(icu::DateFormat::createDateInstance(
68      icu::DateFormat::kFull));
69  return TimeFormat(formatter.get(), time);
70}
71
72}  // namespace base
73