1 // Copyright 2013 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 "chrome/installer/util/google_update_experiment_util.h" 6 7 #include <vector> 8 9 #include "base/logging.h" 10 #include "base/strings/stringprintf.h" 11 #include "base/strings/utf_string_conversions.h" 12 #include "base/time/time.h" 13 14 namespace google_update { 15 16 #if defined(OS_WIN) 17 const wchar_t kExperimentLabels[] = L"experiment_labels"; 18 #endif 19 20 const char kExperimentLabelSep[] = ";"; 21 22 } // namespace google_update 23 24 namespace installer { 25 26 namespace { 27 28 const char* const kDays[] = 29 { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" }; 30 31 const char* const kMonths[] = 32 { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", 33 "Oct", "Nov", "Dec"}; 34 35 } 36 37 string16 BuildExperimentDateString(const base::Time& current_time) { 38 // The Google Update experiment_labels timestamp format is: 39 // "DAY, DD0 MON YYYY HH0:MI0:SE0 TZ" 40 // DAY = 3 character day of week, 41 // DD0 = 2 digit day of month, 42 // MON = 3 character month of year, 43 // YYYY = 4 digit year, 44 // HH0 = 2 digit hour, 45 // MI0 = 2 digit minute, 46 // SE0 = 2 digit second, 47 // TZ = 3 character timezone 48 base::Time::Exploded then = {}; 49 current_time.UTCExplode(&then); 50 then.year += 1; 51 DCHECK(then.HasValidValues()); 52 53 return UTF8ToUTF16(base::StringPrintf("%s, %02d %s %d %02d:%02d:%02d GMT", 54 kDays[then.day_of_week], 55 then.day_of_month, 56 kMonths[then.month - 1], 57 then.year, 58 then.hour, 59 then.minute, 60 then.second)); 61 } 62 63 } // namespace installer 64 65
