public ITimestampStringConverter Resolve(string format)
{
string[] formatParts = format?.Split(new char[] { ':' }, count: 2, options: StringSplitOptions.RemoveEmptyEntries);
string converterId = formatParts?.FirstOrDefault();
string configuration = formatParts?.Skip(1).FirstOrDefault();
ITimestampStringConverter converter = String.IsNullOrWhiteSpace(converterId)
? CreateDefaultConverter()
: ResolveConverterFromId(converterId);
// if was not resolved and no configuration is provided but converterId has value,
// value of the converterId may be the configuration for the default converter.
if (converter == null &&
String.IsNullOrWhiteSpace(configuration) &&
String.IsNullOrWhiteSpace(converterId) == false)
{
converter = CreateDefaultConverter();
configuration = converterId;
}
if (String.IsNullOrWhiteSpace(configuration) == false)
{
converter.Configure(configuration);
}
return(converter);
}
private static IEnumerable <Selection> ReadSelectionFromOptions(SelectorOptions options)
{
ITimestampStringConverter timestampConverter = TimestampStringConverterResolver.Default.Resolve(options.TimestampFormat);
var selection = Selection.Parse(options.FromTimestamp, options.ToTimestamp, timestampConverter);
return(new[] { selection });
}
private static void Configure(FilterContext context, BaseFilterOptions options)
{
ITimestampStringConverter timestampConverter = TimestampStringConverterResolver.Default.Resolve(options.TimestampFormat);
if (String.IsNullOrWhiteSpace(options.FromTimestampString) == false)
{
options.FromTimestamp = timestampConverter.Convert(options.FromTimestampString);
}
if (String.IsNullOrWhiteSpace(options.ToTimestampString) == false)
{
options.ToTimestamp = timestampConverter.Convert(options.ToTimestampString);
}
}
protected override void ConfigureOverride(FilterContext context, ITimestampSerializationOptions options)
{
ITimestampStringConverter timestampConverter = TimestampStringConverterResolver.Default.Resolve(options.TimestampFormat);
var converters = new ISerializationConfiguration[] {
new CsvConvertersSerializationConfiguration(new SelectionCsvConverter())
};
context.IO
.Formats
.GetOrDefault(FileFormat.CSV)?
.Configurations
.AddRange(converters);
}
private void SetupDateTimeOffsetSerialization(JsonSerializer serializer, ITimestampStringConverter timestampConverter)
{
serializer.DateTimeZoneHandling = DateTimeZoneHandling.Local;
if (timestampConverter == null)
{
serializer.DateFormatHandling = DateFormatHandling.IsoDateFormat;
serializer.DateParseHandling = DateParseHandling.DateTimeOffset;
}
else
{
serializer.DateTimeZoneHandling = DateTimeZoneHandling.Local;
serializer.DateParseHandling = DateParseHandling.None;
serializer.Converters.Add(new DateTimeOffsetJsonConverter(timestampConverter));
}
}
public void ReadAll_RecordsWithDateTimestamp()
{
ITimestampStringConverter timestampConverter = TimestampStringConverterResolver.Default.Resolve("date");
var serialization = new CsvSerializationFactory
(
new CsvGazeToolkitDataConvertersSerializationConfiguration(),
new CsvTimestampedDataSerializationConfiguration("Timestamp"),
new CsvTimestampSerializationConfiguration(timestampConverter),
new CsvConvertersSerializationConfiguration(new ValidationPointCsvConverter())
);
DateTimeOffset startTimestamp = new DateTimeOffset(2018, 11, 20, 12, 08, 28, 477, TimeSpan.FromHours(2));
DateTimeOffset startA = startTimestamp;
DateTimeOffset endA = startTimestamp.AddSeconds(1);
DateTimeOffset startB = endA.AddSeconds(2);
DateTimeOffset endB = startB.AddSeconds(1);
DateTimeOffset startC = endB.AddSeconds(2);
DateTimeOffset endC = startC.AddSeconds(1);
string[] lines = new[]
{
"Validation,Point,X,Y,StartTime,EndTime"
, $"1,1,0.1,0.1,{timestampConverter.ConvertBack(startA)},{timestampConverter.ConvertBack(endA)}"
, $"2,1,0.5,0.9,{timestampConverter.ConvertBack(startB)},{timestampConverter.ConvertBack(endB)}"
, $"3,1,0.9,0.1,{timestampConverter.ConvertBack(startC)},{timestampConverter.ConvertBack(endC)}"
};
string input = String.Join(Environment.NewLine, lines);
using (var inputReader = new StringReader(input))
using (var reader = serialization.CreateReaderForType(inputReader, typeof(ValidationPoint), null))
{
var records = reader.ReadAll <ValidationPoint>().ToList();
Assert.AreEqual(3, records.Count);
AssertRecord(new ValidationPoint(1, 1, new GazeToolkit.Point2(0.1, 0.1), startA, endA), records[0]);
AssertRecord(new ValidationPoint(2, 1, new GazeToolkit.Point2(0.5, 0.9), startB, endB), records[1]);
AssertRecord(new ValidationPoint(3, 1, new GazeToolkit.Point2(0.9, 0.1), startC, endC), records[2]);
}
}
protected override void ConfigureOverride(FilterContext context, ITimestampSerializationOptions options)
{
ITimestampStringConverter timestampConverter = TimestampStringConverterResolver.Default.Resolve(options.TimestampFormat);
context.IO
.Formats
.GetOrDefault(FileFormat.JSON)?
.Configurations
.Add
(
new JsonTimestampSerializationConfiguration(timestampConverter)
);
context.IO
.Formats
.GetOrDefault(FileFormat.CSV)?
.Configurations
.Add
(
new CsvTimestampSerializationConfiguration(timestampConverter)
);
}
public static Selection Parse(string name, string fromValue, string toValue, ITimestampStringConverter timestampConverter)
{
if (timestampConverter == null)
{
throw new ArgumentNullException(nameof(timestampConverter));
}
DateTimeOffset?from = null;
DateTimeOffset?to = null;
if (String.IsNullOrWhiteSpace(fromValue) == false)
{
from = timestampConverter.Convert(fromValue);
}
if (String.IsNullOrWhiteSpace(toValue) == false)
{
to = timestampConverter.Convert(toValue);
}
return(new Selection(name, from, to));
}
public JsonTimestampSerializationConfiguration(ITimestampStringConverter converter)
{
Converter = converter;
}
public DoublyTimestampedDataPayloadJsonConverter(string timestampField, string referenceTimestampField, ITimestampStringConverter referenceTimestampConverter)
{
_timestampField = timestampField;
_referenceTimestampField = referenceTimestampField;
_referenceTimestampConverter = referenceTimestampConverter;
}
private void SetupDateTimeOffsetSerialization(CsvSerializerContext serializer, ITimestampStringConverter timestampConverter)
{
if (timestampConverter != null)
{
serializer.Configuration.TypeConverterCache.AddConverter <DateTimeOffset>(new DateTimeOffsetTypeConverter(timestampConverter));
}
}
public CsvTimestampSerializationConfiguration(ITimestampStringConverter timestampConverter)
{
TimestampConverter = timestampConverter;
}
public DateTimeOffsetTypeConverter(ITimestampStringConverter timestampConverter)
{
_timestampConverter = timestampConverter;
}