private static List <DateTimeZone> LoadSource(Options options, out string version)
{
var source = options.Source;
if (source == null)
{
var tzdbSource = TzdbDateTimeZoneSource.Default;
version = tzdbSource.TzdbVersion;
return(tzdbSource.GetIds().Select(id => tzdbSource.ForId(id)).ToList());
}
if (source.EndsWith(".nzd"))
{
var data = LoadFileOrUrl(source);
var tzdbSource = TzdbDateTimeZoneSource.FromStream(new MemoryStream(data));
version = tzdbSource.TzdbVersion;
return(tzdbSource.GetIds().Select(id => tzdbSource.ForId(id)).ToList());
}
else
{
var compiler = new TzdbZoneInfoCompiler(log: null);
var database = compiler.Compile(source);
version = database.Version;
return(database.GenerateDateTimeZones()
.Concat(database.Aliases.Keys.Select(database.GenerateDateTimeZone))
.ToList());
}
}
private static int Main(string[] args)
{
Options options = new Options();
ICommandLineParser parser = new CommandLineParser(new CommandLineParserSettings(Console.Error));
if (!parser.ParseArguments(args, options))
{
return(1);
}
var data = FileUtility.LoadFileOrUrl(options.Source);
TzdbDateTimeZoneSource source = TzdbDateTimeZoneSource.FromStream(new MemoryStream(data));
var dumper = new ZoneDumper(source, options);
try
{
using (var writer = options.OutputFile is null ? Console.Out : File.CreateText(options.OutputFile))
{
dumper.Dump(writer);
}
}
catch (UserErrorException e)
{
Console.Error.WriteLine($"Error: {e.Message}");
return(1);
}
return(0);
}
private void LoadData()
{
// init noda time
using (var stream = File.OpenRead(Directory.GetFiles(_nzdPath)[0]))
{
_tzdbSource = TzdbDateTimeZoneSource.FromStream(stream);
_tzdbProvider = new DateTimeZoneCache(_tzdbSource);
}
// this has to be loaded first
LoadMetaZones();
// these can be loaded in parallel
var actions = new Action[]
{
LoadZoneCountries,
LoadZoneAliases,
LoadWindowsMappings,
LoadLanguages
};
Task.WhenAll(actions.Select(Task.Run)).Wait();
// patch the data for any known issues
PatchData();
// this has to come last, as it relies on patched data
LoadSelectionZones();
}
public IActionResult TimeZones(string?version = null, string?format = null)
{
var source = TzdbDateTimeZoneSource.Default;
if (version != null)
{
var release = repository.GetRelease($"tzdb{version}.nzd");
if (release == null)
{
return(BadRequest("Unknown version"));
}
source = TzdbDateTimeZoneSource.FromStream(release.GetContent());
}
var releaseModel = IanaRelease.FromTzdbDateTimeZoneSource(source);
if (format == "json")
{
return(Json(releaseModel));
}
var releases = repository.GetReleases()
.Select(release => NzdNamePattern.Match(release.Name))
.Where(m => m.Success)
.Select(m => m.Groups[1].Value)
.ToList();
var model = (releases, releaseModel);
return(View(model));
}
private static async Task <CurrentTzdbProvider> DownloadAsync()
{
using (var client = new HttpClient())
{
var latest = new Uri((await client.GetStringAsync("http://nodatime.org/tzdb/latest.txt")).TrimEnd());
var fileName = latest.Segments.Last();
var path = Path.Combine(Path.GetTempPath(), fileName);
if (!File.Exists(path))
{
using (var httpStream = await client.GetStreamAsync(latest))
using (var fileStream = File.Create(path))
{
await httpStream.CopyToAsync(fileStream);
}
}
using (var fileStream = File.OpenRead(path))
{
var source = TzdbDateTimeZoneSource.FromStream(fileStream);
var provider = new DateTimeZoneCache(source);
return(new CurrentTzdbProvider(provider, source.Aliases));
}
}
}
protected virtual void LoadTimeZoneData()
{
using (Stream stream = File.Open(Path.Combine(SharpIrcBotUtil.AppDirectory, Config.TimeZoneDatabaseFile), FileMode.Open, FileAccess.Read, FileShare.Read))
{
TzdbDateTimeZoneSource timeZoneSource = TzdbDateTimeZoneSource.FromStream(stream);
TimeZoneProvider = new DateTimeZoneCache(timeZoneSource);
}
}
/// <summary>
/// Returns the data in this database as a <see cref="TzdbDateTimeZoneSource"/> with no
/// Windows mappings.
/// </summary>
public TzdbDateTimeZoneSource ToTzdbDateTimeZoneSource()
{
var ms = new MemoryStream();
var writer = new TzdbStreamWriter(ms);
writer.Write(this, new WindowsZones("n/a", Version, "n/a", new MapZone[0]));
ms.Position = 0;
return(TzdbDateTimeZoneSource.FromStream(ms));
}
private static TzdbDateTimeZoneSource Read(CompilerOptions options)
{
string file = Path.ChangeExtension(options.OutputFileName, "nzd");
using (var stream = File.OpenRead(file))
{
return(TzdbDateTimeZoneSource.FromStream(stream));
}
}
private TimezoneDB()
{
try {
using (Stream stream = File.OpenRead(tzdbFilename)) {
source = TzdbDateTimeZoneSource.FromStream(stream);
}
} catch {
log.Warn("Custom TZDB source failed. Falling back to NodaTime.dll");
source = TzdbDateTimeZoneSource.Default;
}
log.Info("Using NodaTime " + source.VersionId);
}
/// <summary>
/// Returns the data in this database as a <see cref="TzdbDateTimeZoneSource"/> with no
/// Windows mappings.
/// </summary>
public TzdbDateTimeZoneSource ToTzdbDateTimeZoneSource()
{
var ms = new MemoryStream();
var writer = new TzdbStreamWriter();
writer.Write(this,
new WindowsZones("n/a", Version, "n/a", new MapZone[0]), // No Windows mappings,
new Dictionary <string, string>(), // No additional name-to-id mappings
ms);
ms.Position = 0;
return(TzdbDateTimeZoneSource.FromStream(ms));
}
private TimezoneDB()
{
try {
using (Stream stream = File.OpenRead(tzdbFile)) {
source = TzdbDateTimeZoneSource.FromStream(stream);
}
} catch {
log.Warn("Custom TZDB source failed. Falling back to NodaTime.dll");
source = TzdbDateTimeZoneSource.Default;
}
log.Info("Using NodaTime " + source.VersionId);
Microsoft.Win32.SystemEvents.TimeChanged += SystemEvents_TimeChanged;
}
private static int Main(string[] args)
{
Options options = new Options();
ICommandLineParser parser = new CommandLineParser(new CommandLineParserSettings(Console.Error));
if (!parser.ParseArguments(args, options))
{
return(1);
}
if (options.FromYear > options.ToYear)
{
Console.WriteLine("Error: 'from' year must be not be later than 'to' year");
return(1);
}
IDateTimeZoneSource source = TzdbDateTimeZoneSource.Default;
if (options.File != null)
{
using (var stream = File.OpenRead(options.File))
{
source = TzdbDateTimeZoneSource.FromStream(stream);
}
}
Console.WriteLine("TZDB version: {0}", source.VersionId);
var provider = new DateTimeZoneCache(source);
if (options.Zone != null)
{
var zone = provider.GetZoneOrNull(options.Zone);
if (zone == null)
{
Console.WriteLine("Unknown time zone: {0}", options.Zone);
return(1);
}
DumpZone(zone, Console.Out, options.FromYear, options.ToYear);
}
else
{
foreach (var id in provider.Ids)
{
DumpZone(provider[id], Console.Out, options.FromYear, options.ToYear);
}
}
return(0);
}
private static async Task <bool> ValidateAsync(HttpClient httpClient, string url)
{
try
{
Console.WriteLine($"Validating {url}");
byte[] data = await httpClient.GetByteArrayAsync(url);
var source = TzdbDateTimeZoneSource.FromStream(new MemoryStream(data));
source.Validate();
return(true);
}
catch (Exception e)
{
Console.WriteLine($"{e.GetType().Name}: {e.Message}");
return(false);
}
}
private static TzdbDateTimeZoneSource LoadSource(string source)
{
if (source == null)
{
return(TzdbDateTimeZoneSource.Default);
}
if (source.EndsWith(".nzd"))
{
var data = LoadFileOrUrl(source);
return(TzdbDateTimeZoneSource.FromStream(new MemoryStream(data)));
}
else
{
var compiler = new TzdbZoneInfoCompiler(log: null);
var database = compiler.Compile(source);
return(database.ToTzdbDateTimeZoneSource());
}
}
public void CanLoadNodaTimeResourceFromOnePointOneRelease()
{
var assembly = typeof(TzdbDateTimeZoneSourceTest).Assembly;
TzdbDateTimeZoneSource source;
using (Stream stream = assembly.GetManifestResourceStream("NodaTime.Test.TestData.Tzdb2013bFromNodaTime1.1.nzd"))
{
source = TzdbDateTimeZoneSource.FromStream(stream);
}
Assert.AreEqual("TZDB: 2013b (mapping: 8274)", source.VersionId);
var utc = Instant.FromUtc(2007, 8, 24, 9, 30, 0);
// Test a regular zone with rules.
var london = source.ForId("Europe/London");
var inLondon = new ZonedDateTime(utc, london);
var expectedLocal = new LocalDateTime(2007, 8, 24, 10, 30);
Assert.AreEqual(expectedLocal, inLondon.LocalDateTime);
// Test a fixed-offset zone.
var utcFixed = source.ForId("Etc/UTC");
var inUtcFixed = new ZonedDateTime(utc, utcFixed);
expectedLocal = new LocalDateTime(2007, 8, 24, 9, 30);
Assert.AreEqual(expectedLocal, inUtcFixed.LocalDateTime);
// Test an alias.
var jersey = source.ForId("Japan"); // Asia/Tokyo
var inJersey = new ZonedDateTime(utc, jersey);
expectedLocal = new LocalDateTime(2007, 8, 24, 18, 30);
Assert.AreEqual(expectedLocal, inJersey.LocalDateTime);
// Test ZoneLocations.
var france = source.ZoneLocations.Single(g => g.CountryName == "France");
// Tolerance of about 2 seconds
Assert.AreEqual(48.86666, france.Latitude, 0.00055);
Assert.AreEqual(2.3333, france.Longitude, 0.00055);
Assert.AreEqual("Europe/Paris", france.ZoneId);
Assert.AreEqual("FR", france.CountryCode);
Assert.AreEqual("", france.Comment);
}
private static string GetOffset(string timezone)
{
var result = "0";
if (_tzdbDateTimeZoneSource == null)
{
using (var stream = File.OpenRead($"{AppDomain.CurrentDomain.BaseDirectory}GeoDb\\tzdb2019c.nzd"))
{
_tzdbDateTimeZoneSource = TzdbDateTimeZoneSource.FromStream(stream);
}
}
var zonedDateTime = _tzdbDateTimeZoneSource.ForId(timezone)
.AtStrictly(new LocalDateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, DateTime.Now.Hour, DateTime.Now.Minute));
result = TimeSpan.FromMilliseconds(zonedDateTime.Offset.Milliseconds).TotalHours.ToString();
return(result);
}
private static async Task <TzdbDateTimeZoneSource> LoadSourceAsync(string?source)
{
if (source is null)
{
return(TzdbDateTimeZoneSource.Default);
}
if (source.EndsWith(".nzd"))
{
var data = await FileUtility.LoadFileOrUrlAsync(source);
return(TzdbDateTimeZoneSource.FromStream(new MemoryStream(data)));
}
else
{
var compiler = new TzdbZoneInfoCompiler(log: null);
var database = await compiler.CompileAsync(source);
return(database.ToTzdbDateTimeZoneSource());
}
}
private static ICollection <string> GetIanaTimeZoneIds()
{
var tempDir = Path.GetTempPath() + Path.GetRandomFileName().Substring(0, 8);
try
{
TestHelpers.DownloadLatestNodaTimeDataAsync(tempDir).Wait();
using (var stream = File.OpenRead(Directory.GetFiles(tempDir, "*.nzd")[0]))
{
var source = TzdbDateTimeZoneSource.FromStream(stream);
var provider = new DateTimeZoneCache(source);
return(provider.Ids.OrderBy(x => x).ToArray());
}
}
finally
{
Directory.Delete(tempDir, true);
}
}
private static TzdbDateTimeZoneSource Read(CompilerOptions options)
{
#pragma warning disable 0618
string file = Path.ChangeExtension(options.OutputFileName, Extensions[options.OutputType]);
switch (options.OutputType)
{
case OutputType.ResX:
return(new TzdbDateTimeZoneSource(new ResourceSet(new ResXResourceReader(file))));
case OutputType.Resource:
return(new TzdbDateTimeZoneSource(new ResourceSet(new ResourceReader(file))));
case OutputType.NodaZoneData:
using (var stream = File.OpenRead(file))
{
return(TzdbDateTimeZoneSource.FromStream(stream));
}
default:
throw new ArgumentException("Invalid output type: " + options.OutputType, "options");
}
#pragma warning restore 0618
}
/// <summary>
/// Gets the time zone provider.
/// It reads the file form its configuration settings
/// This is for making an updatable file outside the program source
/// </summary>
/// <returns></returns>
public static IDateTimeZoneProvider GetTimeZoneProvider()
{
if (provider != null)
{
return(provider);
}
lock (lockObject)
{
if (provider != null)
{
return(provider);
}
// Or use Assembly.GetManifestResourceStream for an embedded file
string tzdbFileName = FWUtils.ConfigUtils.GetAppSettings().Localization.TzdbFile;
string tzdbFileFullName = System.IO.Path.Combine(FWUtils.ConfigUtils.ApplicationPath, tzdbFileName);
using (var stream = System.IO.File.OpenRead(tzdbFileFullName))
{
var source = TzdbDateTimeZoneSource.FromStream(stream);
provider = new DateTimeZoneCache(source);
}
}
return(provider);
}
private static List <DateTimeZone> LoadSource(Options options)
{
var source = options.Source;
if (source == null)
{
var provider = DateTimeZoneProviders.Tzdb;
return(provider.Ids.Select(id => provider[id]).ToList());
}
if (source.EndsWith(".nzd"))
{
var data = LoadFileOrUrl(source);
var tzdbSource = TzdbDateTimeZoneSource.FromStream(new MemoryStream(data));
return(tzdbSource.GetIds().Select(id => tzdbSource.ForId(id)).ToList());
}
else
{
var compiler = new TzdbZoneInfoCompiler(log: null);
var database = compiler.Compile(source);
return(database.GenerateDateTimeZones()
.Concat(database.Aliases.Keys.Select(database.GenerateDateTimeZone))
.ToList());
}
}
// Usage:
// $ dotnet run -- [--help] [--start_year start] [--until_year until]
// [--nzd_file {file}]
// < zones.txt
// > validation_data.json
//
// Based on the equivalent Java program 'compare_java'.
//
static void Main(string[] args)
{
// Parse command line flags
int argc = args.Length;
int argi = 0;
/*
* if (argc == 0) {
* UsageAndExit(1);
* }
*/
string start = "2000";
string until = "2050";
string nzdFilePath = "";
while (argc > 0)
{
string arg0 = args[argi];
if ("--start_year".Equals(arg0))
{
{ argc--; argi++; arg0 = args[argi]; } // shift-left
start = arg0;
}
else if ("--until_year".Equals(arg0))
{
{ argc--; argi++; arg0 = args[argi]; } // shift-left
until = arg0;
}
else if ("--nzd_file".Equals(arg0))
{
{ argc--; argi++; arg0 = args[argi]; } // shift-left
nzdFilePath = arg0;
}
else if ("--help".Equals(arg0))
{
UsageAndExit(0);
break;
}
else if ("--".Equals(arg0))
{
break;
}
else if (arg0.StartsWith("-"))
{
Console.Error.WriteLine($"Unknown flag '{arg0}'");
UsageAndExit(1);
}
else if (!arg0.StartsWith("-"))
{
break;
}
{ argc--; argi++; } // shift-left
}
int startYear = int.Parse(start);
int untilYear = int.Parse(until);
// https://nodatime.org/3.0.x/userguide/tzdb
IDateTimeZoneProvider provider;
if (!string.IsNullOrEmpty(nzdFilePath))
{
// Read the TZDB file from disk.
using (var stream = File.OpenRead(nzdFilePath))
{
var source = TzdbDateTimeZoneSource.FromStream(stream);
provider = new DateTimeZoneCache(source);
}
}
else
{
provider = DateTimeZoneProviders.Tzdb;
}
List <string> zones = ReadZones();
GenerateData generator = new GenerateData(startYear, untilYear, provider);
IDictionary <string, List <TestItem> > testData = generator.CreateTestData(zones);
generator.PrintJson(testData);
}
public static IDateTimeZoneProvider LoadTzdb(string path = null)
{
IDateTimeZoneProvider provider;
// Load the time zone database from a file, if specified.
path = path ?? UtilityConfiguration.Active.TimeZoneDB;
if (!string.IsNullOrWhiteSpace(path))
{
Uri uri = new Uri(path.TrimStart('\\', '/'), UriKind.RelativeOrAbsolute);
if (!uri.IsAbsoluteUri)
{
uri = new Uri(UtilityExtensions.AppDomainBaseUri, uri);
}
// If the URI is a file, load it from the file system, otherwise download it
if (uri.IsFile)
{
path = uri.LocalPath;
if (!File.Exists(path))
{
throw new FileNotFoundException(
// ReSharper disable once AssignNullToNotNullAttribute
string.Format(Resources.TimeHelper_TimeHelper_TimeZoneDB_Not_Found, path));
}
try
{
using (FileStream stream = File.OpenRead(path))
// ReSharper disable once AssignNullToNotNullAttribute
provider = new DateTimeZoneCache(TzdbDateTimeZoneSource.FromStream(stream));
}
catch (Exception e)
{
// ReSharper disable once AssignNullToNotNullAttribute
throw new FileLoadException(
string.Format(Resources.TimeHelper_TimeHelper_TimeZoneDB_Failed, path),
e);
}
}
else
{
path = uri.AbsoluteUri;
try
{
// ReSharper disable AssignNullToNotNullAttribute
WebRequest request = WebRequest.Create(uri);
using (WebResponse response = request.GetResponse())
using (Stream stream = response.GetResponseStream())
provider = new DateTimeZoneCache(TzdbDateTimeZoneSource.FromStream(stream));
// ReSharper restore AssignNullToNotNullAttribute
}
catch (Exception e)
{
// ReSharper disable once AssignNullToNotNullAttribute
throw new FileLoadException(
string.Format(Resources.TimeHelper_TimeHelper_TimeZoneDB_Failed, path),
e);
}
}
}
// ReSharper disable once AssignNullToNotNullAttribute
else
{
// ReSharper disable once AssignNullToNotNullAttribute
provider = DateTimeZoneProviders.Tzdb;
}
Debug.Assert(provider != null);
return(provider);
}
