google_update_experiment_util.cc revision eb525c5499e34cc9c4b825d6d9e75bb07cc06ace
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 14namespace installer { 15 16namespace { 17 18const char* const kDays[] = 19 { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" }; 20 21const char* const kMonths[] = 22 { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", 23 "Oct", "Nov", "Dec"}; 24 25} 26 27string16 BuildExperimentDateString() { 28 // The Google Update experiment_labels timestamp format is: 29 // "DAY, DD0 MON YYYY HH0:MI0:SE0 TZ" 30 // DAY = 3 character day of week, 31 // DD0 = 2 digit day of month, 32 // MON = 3 character month of year, 33 // YYYY = 4 digit year, 34 // HH0 = 2 digit hour, 35 // MI0 = 2 digit minute, 36 // SE0 = 2 digit second, 37 // TZ = 3 character timezone 38 base::Time::Exploded then = {}; 39 base::Time::Now().UTCExplode(&then); 40 then.year += 1; 41 DCHECK(then.HasValidValues()); 42 43 return UTF8ToUTF16(base::StringPrintf("%s, %02d %s %d %02d:%02d:%02d GMT", 44 kDays[then.day_of_week], 45 then.day_of_month, 46 kMonths[then.month - 1], 47 then.year, 48 then.hour, 49 then.minute, 50 then.second)); 51} 52 53} // namespace installer 54 55