/// <summary> Initializes the country meta data retriever. </summary>
/// <remarks> Sander.struijk, 25.02.2014. </remarks>
public static async Task InitializeAsync()
{
if (_hasBeenInitialized || _inProgress)
{
return;
}
_inProgress = true;
await ReadTextFileAsync("CountryCodes.txt").ContinueWith(task =>
{
foreach (var line in task.Result)
{
if (line.StartsWith("#") || string.IsNullOrEmpty(line))
{
continue;
}
var countryData = line.Split('|');
var countryMetaData = new CountryMetaData(countryData[0], countryData[1], countryData[2]);
for (var i = 3; i < countryData.Length; i++)
{
var key = countryData[i].ToLower();
if (CountryMetaDatas.ContainsKey(key))
{
continue;
}
CountryMetaDatas.Add(key, countryMetaData);
}
}
}).ContinueWith(task =>
{
_hasBeenInitialized = true;
_inProgress = false;
});
}
/// <summary> Initializes the country meta data retriever. </summary>
/// <remarks> Sander.struijk, 25.02.2014. </remarks>
public static void Initialize()
{
if (_hasBeenInitialized)
{
return;
}
var readCountryCodesFile = ReadTextFile("CountryCodes.txt");
foreach (var line in readCountryCodesFile)
{
if (line.StartsWith("#") || string.IsNullOrEmpty(line))
{
continue;
}
var countryData = line.Split('|');
var countryMetaData = new CountryMetaData(countryData[0], countryData[1], countryData[2]);
for (var i = 3; i < countryData.Length; i++)
{
var key = countryData[i].ToLower();
if (CountryMetaDatas.ContainsKey(key))
{
continue;
}
CountryMetaDatas.Add(key, countryMetaData);
}
}
_hasBeenInitialized = true;
}
/// <summary> Constructor. </summary>
/// <remarks> Sander.struijk, 26.02.2014. </remarks>
/// <param name="countryMetaData"> Information describing the country meta data. </param>
/// <param name="unformattedPhoneNumber"> The unformatted phone number. </param>
public PhoneNumber(CountryMetaData countryMetaData, string unformattedPhoneNumber)
{
NumberGroups = new List <string>();
var cleanedPhoneNumber = CleanPhoneNumber(unformattedPhoneNumber);
InitializePhoneNumberFields(countryMetaData, cleanedPhoneNumber);
InitializePhoneNumberFormatNumberGroups(countryMetaData);
}
/// <summary> Initializes the phone number format number groups. </summary>
/// <remarks> Sander.struijk, 26.02.2014. </remarks>
/// <param name="countryMetaData"> Information describing the country meta data. </param>
private void InitializePhoneNumberFormatNumberGroups(CountryMetaData countryMetaData)
{
var startIndex = 0;
foreach (var groupCount in countryMetaData.PhoneNumberFormat)
{
var numberGroup = Number.Substring(startIndex, groupCount);
startIndex += groupCount;
NumberGroups.Add(numberGroup);
}
}
/// <summary> Initializes the phone number fields. </summary>
/// <remarks> Sander.struijk, 26.02.2014. </remarks>
/// <param name="countryMetaData"> Information describing the country meta data. </param>
/// <param name="cleanedPhoneNumber"> The cleaned phone number. </param>
private void InitializePhoneNumberFields(CountryMetaData countryMetaData, string cleanedPhoneNumber)
{
var countryCode = cleanedPhoneNumber.Substring(0, cleanedPhoneNumber.Length - countryMetaData.PhoneNumberDigitCount);
var phoneNumber = cleanedPhoneNumber.Substring(cleanedPhoneNumber.Length - countryMetaData.PhoneNumberDigitCount);
if (PhoneNumberAlreadyHasCountryCode(countryMetaData, cleanedPhoneNumber))
{
CountryCode = !string.IsNullOrEmpty(countryMetaData.CountryCode) ? countryMetaData.CountryCode : countryCode;
Number = phoneNumber;
}
else if (CountryMetaDataHasCountryCode(countryMetaData))
{
CountryCode = countryMetaData.CountryCode;
Number = cleanedPhoneNumber;
}
else
{
CountryCode = string.Empty;
Number = cleanedPhoneNumber;
}
}
/// <summary> Phone number already has country code. </summary>
/// <remarks> Sander.struijk, 26.02.2014. </remarks>
/// <param name="countryMetaData"> Information describing the country meta data. </param>
/// <param name="cleanedPhoneNumber"> The cleaned phone number. </param>
/// <returns> true if it succeeds, false if it fails. </returns>
private static bool PhoneNumberAlreadyHasCountryCode(CountryMetaData countryMetaData, string cleanedPhoneNumber)
{
return(countryMetaData.PhoneNumberDigitCount > 0 && countryMetaData.PhoneNumberDigitCount < cleanedPhoneNumber.Length);
}
/// <summary> Country meta data has country code. </summary>
/// <remarks> Sander.struijk, 26.02.2014. </remarks>
/// <param name="countryMetaData"> Information describing the country meta data. </param>
/// <returns> true if it succeeds, false if it fails. </returns>
private static bool CountryMetaDataHasCountryCode(CountryMetaData countryMetaData)
{
return(!string.IsNullOrEmpty(countryMetaData.CountryCode));
}