/// <summary>
/// Returns the string formatted payload
/// </summary>
/// <param name="record">Object <see cref="NFCNdefRecord"/></param>
/// <returns>String formatted payload</returns>
public static string GetMessage(NFCNdefRecord record)
{
if (record == null)
{
return(string.Empty);
}
return(GetMessage(record.TypeFormat, record.Payload, record.Uri));
}
/// <summary>
/// Transforms a <see cref="NFCNdefRecord"/> into an Android <see cref="NdefRecord"/>
/// </summary>
/// <param name="record">Object <see cref="NFCNdefRecord"/></param>
/// <returns>Android <see cref="NdefRecord"/></returns>
NdefRecord GetAndroidNdefRecord(NFCNdefRecord record)
{
if (record == null)
{
return(null);
}
NdefRecord ndefRecord = null;
switch (record.TypeFormat)
{
case NFCNdefTypeFormat.WellKnown:
var languageCode = record.LanguageCode;
if (string.IsNullOrWhiteSpace(languageCode))
{
languageCode = Configuration.DefaultLanguageCode;
}
if (languageCode.Length > 5)
{
languageCode = languageCode.Substring(0, 5); //max support 5 chars like en-US or de-AT
}
ndefRecord = NdefRecord.CreateTextRecord(languageCode, Encoding.UTF8.GetString(record.Payload));
//no need to force it to 2 letters only
//ndefRecord = NdefRecord.CreateTextRecord(languageCode.Substring(0, 2), Encoding.UTF8.GetString(record.Payload));
break;
case NFCNdefTypeFormat.Mime:
ndefRecord = NdefRecord.CreateMime(record.MimeType, record.Payload);
break;
case NFCNdefTypeFormat.Uri:
ndefRecord = NdefRecord.CreateUri(Encoding.UTF8.GetString(record.Payload));
break;
case NFCNdefTypeFormat.External:
ndefRecord = NdefRecord.CreateExternal(record.ExternalDomain, record.ExternalType, record.Payload);
break;
case NFCNdefTypeFormat.Empty:
ndefRecord = GetEmptyNdefRecord();
break;
case NFCNdefTypeFormat.Unknown:
case NFCNdefTypeFormat.Unchanged:
case NFCNdefTypeFormat.Reserved:
default:
break;
}
return(ndefRecord);
}
/// <summary>
/// Transforms an array of <see cref="NFCNdefPayload"/> into an array of <see cref="NFCNdefRecord"/>
/// </summary>
/// <param name="records">Array of <see cref="NFCNdefPayload"/></param>
/// <returns>Array of <see cref="NFCNdefRecord"/></returns>
NFCNdefRecord[] GetRecords(NFCNdefPayload[] records)
{
var results = new NFCNdefRecord[records.Length];
for (var i = 0; i < records.Length; i++)
{
var record = records[i];
var ndefRecord = new NFCNdefRecord
{
TypeFormat = (NFCNdefTypeFormat)record.TypeNameFormat,
Payload = record.Payload.ToByteArray()
};
results.SetValue(ndefRecord, i);
}
return(results);
}
/// <summary>
/// Transforms an array of <see cref="NdefRecord"/> into an array of <see cref="NFCNdefRecord"/>
/// </summary>
/// <param name="records">Array of <see cref="NdefRecord"/></param>
/// <returns>Array of <see cref="NFCNdefRecord"/></returns>
NFCNdefRecord[] GetRecords(NdefRecord[] records)
{
var results = new NFCNdefRecord[records.Length];
for (var i = 0; i < records.Length; i++)
{
var ndefRecord = new NFCNdefRecord
{
TypeFormat = (NFCNdefTypeFormat)records[i].Tnf,
Uri = records[i].ToUri()?.ToString(),
MimeType = records[i].ToMimeType(),
Payload = records[i].GetPayload()
};
results.SetValue(ndefRecord, i);
}
return(results);
}
/// <summary>
/// Returns NDEF payload
/// </summary>
/// <param name="record"><see cref="NFCNdefRecord"/></param>
/// <returns><see cref="NFCNdefPayload"/></returns>
NFCNdefPayload GetiOSPayload(NFCNdefRecord record)
{
if (record == null)
{
return(null);
}
NFCNdefPayload payload = null;
switch (record.TypeFormat)
{
case NFCNdefTypeFormat.WellKnown:
var lang = record.LanguageCode;
if (string.IsNullOrWhiteSpace(lang))
{
lang = Configuration.DefaultLanguageCode;
}
var langData = Encoding.ASCII.GetBytes(lang.Substring(0, 2));
var payloadData = new byte[] { 0x02 }.Concat(langData).Concat(record.Payload).ToArray();
payload = new NFCNdefPayload(NFCTypeNameFormat.NFCWellKnown, NSData.FromString("T"), new NSData(), NSData.FromString(Encoding.UTF8.GetString(payloadData), NSStringEncoding.UTF8));
break;
case NFCNdefTypeFormat.Mime:
payload = new NFCNdefPayload(NFCTypeNameFormat.Media, record.MimeType, new NSData(), NSData.FromArray(record.Payload));
break;
case NFCNdefTypeFormat.Uri:
payload = NFCNdefPayload.CreateWellKnownTypePayload(NSUrl.FromString(Encoding.UTF8.GetString(record.Payload)));
break;
case NFCNdefTypeFormat.External:
payload = new NFCNdefPayload(NFCTypeNameFormat.NFCExternal, record.ExternalType, new NSData(), NSData.FromString(Encoding.UTF8.GetString(record.Payload), NSStringEncoding.UTF8));
break;
case NFCNdefTypeFormat.Empty:
payload = GetEmptyPayload();
break;
case NFCNdefTypeFormat.Unknown:
case NFCNdefTypeFormat.Unchanged:
case NFCNdefTypeFormat.Reserved:
default:
break;
}
return(payload);
}
/// <summary>
/// Transforms a <see cref="NFCNdefRecord"/> into an Android <see cref="NdefRecord"/>
/// </summary>
/// <param name="record">Object <see cref="NFCNdefRecord"/></param>
/// <returns>Android <see cref="NdefRecord"/></returns>
NdefRecord GetAndroidNdefRecord(NFCNdefRecord record)
{
if (record == null)
{
return(null);
}
NdefRecord ndefRecord = null;
switch (record.TypeFormat)
{
case NFCNdefTypeFormat.WellKnown:
var languageCode = record.LanguageCode;
if (string.IsNullOrWhiteSpace(languageCode))
{
languageCode = Configuration.DefaultLanguageCode;
}
ndefRecord = NdefRecord.CreateTextRecord(languageCode.Substring(0, 2), Encoding.UTF8.GetString(record.Payload));
break;
case NFCNdefTypeFormat.Mime:
ndefRecord = NdefRecord.CreateMime(record.MimeType, record.Payload);
break;
case NFCNdefTypeFormat.Uri:
ndefRecord = NdefRecord.CreateUri(Encoding.UTF8.GetString(record.Payload));
break;
case NFCNdefTypeFormat.External:
ndefRecord = NdefRecord.CreateExternal(record.ExternalDomain, record.ExternalType, record.Payload);
break;
case NFCNdefTypeFormat.Empty:
ndefRecord = GetEmptyNdefRecord();
break;
case NFCNdefTypeFormat.Unknown:
case NFCNdefTypeFormat.Unchanged:
case NFCNdefTypeFormat.Reserved:
default:
break;
}
return(ndefRecord);
}
/// <summary>
/// Returns NDEF payload
/// </summary>
/// <param name="record"><see cref="NFCNdefRecord"/></param>
/// <returns><see cref="NFCNdefPayload"/></returns>
NFCNdefPayload GetiOSPayload(NFCNdefRecord record)
{
if (record == null)
{
return(null);
}
NFCNdefPayload payload = null;
switch (record.TypeFormat)
{
case NFCNdefTypeFormat.WellKnown:
payload = NFCNdefPayload.CreateWellKnownTypePayload(Encoding.UTF8.GetString(record.Payload), NSLocale.CurrentLocale);
break;
case NFCNdefTypeFormat.Mime:
payload = new NFCNdefPayload(NFCTypeNameFormat.Media, record.MimeType, new NSData(), NSData.FromArray(record.Payload));
break;
case NFCNdefTypeFormat.Uri:
payload = NFCNdefPayload.CreateWellKnownTypePayload(NSUrl.FromString(Encoding.UTF8.GetString(record.Payload)));
break;
case NFCNdefTypeFormat.External:
payload = new NFCNdefPayload(NFCTypeNameFormat.NFCExternal, record.ExternalType, new NSData(), NSData.FromString(Encoding.UTF8.GetString(record.Payload), NSStringEncoding.UTF8));
break;
case NFCNdefTypeFormat.Empty:
payload = GetEmptyPayload();
break;
case NFCNdefTypeFormat.Unknown:
case NFCNdefTypeFormat.Unchanged:
case NFCNdefTypeFormat.Reserved:
default:
break;
}
return(payload);
}
/// <summary>
/// Transforms a <see cref="NFCNdefRecord"/> into an Android <see cref="NdefRecord"/>
/// </summary>
/// <param name="record">Object <see cref="NFCNdefRecord"/></param>
/// <returns>Android <see cref="NdefRecord"/></returns>
NdefRecord GetAndroidNdefRecord(NFCNdefRecord record)
{
if (record == null)
{
return(null);
}
NdefRecord ndefRecord = null;
switch (record.TypeFormat)
{
case NFCNdefTypeFormat.WellKnown:
ndefRecord = NdefRecord.CreateTextRecord(Locale.Default.ToLanguageTag(), Encoding.UTF8.GetString(record.Payload));
break;
case NFCNdefTypeFormat.Mime:
ndefRecord = NdefRecord.CreateMime(record.MimeType, record.Payload);
break;
case NFCNdefTypeFormat.Uri:
ndefRecord = NdefRecord.CreateUri(Encoding.UTF8.GetString(record.Payload));
break;
case NFCNdefTypeFormat.External:
ndefRecord = NdefRecord.CreateExternal(record.ExternalDomain, record.ExternalType, record.Payload);
break;
case NFCNdefTypeFormat.Empty:
ndefRecord = GetEmptyNdefRecord();
break;
case NFCNdefTypeFormat.Unknown:
case NFCNdefTypeFormat.Unchanged:
case NFCNdefTypeFormat.Reserved:
default:
break;
}
return(ndefRecord);
}
/// <summary>
/// Transforms an array of <see cref="NFCNdefPayload"/> into an array of <see cref="NFCNdefRecord"/>
/// </summary>
/// <param name="records">Array of <see cref="NFCNdefPayload"/></param>
/// <returns>Array of <see cref="NFCNdefRecord"/></returns>
NFCNdefRecord[] GetRecords(NFCNdefPayload[] records)
{
if (records == null)
{
return(null);
}
var results = new NFCNdefRecord[records.Length];
for (var i = 0; i < records.Length; i++)
{
var record = records[i];
var ndefRecord = new NFCNdefRecord
{
TypeFormat = (NFCNdefTypeFormat)record.TypeNameFormat,
Uri = records[i].ToUri()?.ToString(),
MimeType = records[i].ToMimeType(),
Payload = record.Payload.ToByteArray()
};
results.SetValue(ndefRecord, i);
}
return(results);
}
