/// <summary>
/// Go through the records stored in this message, parse them and assign
/// them to the individual properties. This also checks if the child records
/// are actually valid for a Handover Select message.
/// </summary>
public void SetAndAssignChildRecords(byte[] payloadToParse)
{
// Create NDEF message based on payload
var childRecordsMsg = NdefMessage.FromByteArray(payloadToParse);
// Clear previous child records
_handoverAlternativeCarrierRecords = null;
_handoverErrorRecord = null;
// Assign new child records from the source message
if (childRecordsMsg.Count < 1)
{
throw new NdefException(NdefExceptionMessages.ExHandoverSelectMsgInvalidRecords);
}
foreach (var curChildRecord in childRecordsMsg)
{
// Alternate carrier record
if (curChildRecord.CheckSpecializedType(false) == typeof(NdefHandoverAlternativeCarrierRecord))
{
if (HandoverErrorRecord != null)
{
// Error record needs to be last - there can't be an AC record
// after we have already found an error record.
throw new NdefException(NdefExceptionMessages.ExHandoverSelectMsgInvalidRecords);
}
if (_handoverAlternativeCarrierRecords == null)
{
_handoverAlternativeCarrierRecords = new List <NdefHandoverAlternativeCarrierRecord>();
}
_handoverAlternativeCarrierRecords.Add(new NdefHandoverAlternativeCarrierRecord(curChildRecord));
}
else if (curChildRecord.CheckSpecializedType(false) == typeof(NdefHandoverErrorRecord))
{
if (_handoverErrorRecord != null)
{
// Only one error record is allowed
throw new NdefException(NdefExceptionMessages.ExHandoverSelectMsgInvalidRecords);
}
_handoverErrorRecord = new NdefHandoverErrorRecord(curChildRecord);
}
else
{
// Unknown record found that should not be in this message
throw new NdefException(NdefExceptionMessages.ExHandoverSelectMsgInvalidRecords);
}
}
}
/// <summary>
/// Checks the type name format and type of this record and returns
/// the appropriate specialized class, if one is available and known
/// for this record type.
/// </summary>
/// <param name="checkForSubtypes">If set to true, also checks for
/// subtypes of the URL / SmartPoster record where the library offers
/// a convenient handling class - e.g. for SMS or Mailto records,
/// which are actually URL schemes.</param>
/// <returns>Type name of the specialized class that can understand
/// and manipulate the payload through convenience methods.</returns>
public Type CheckSpecializedType(bool checkForSubtypes)
{
// Note: can't check for specialized types like the geo record
// or the SMS record yet, as these are just convenience classes
// for creating URI / Smart Poster records.
if (checkForSubtypes)
{
// Need to check specialized URI / Sp records before checking for base types.
if (NdefSmsRecord.IsRecordType(this))
{
return(typeof(NdefSmsRecord));
}
if (NdefMailtoRecord.IsRecordType(this))
{
return(typeof(NdefMailtoRecord));
}
if (NdefTelRecord.IsRecordType(this))
{
return(typeof(NdefTelRecord));
}
if (NdefWindowsSettingsRecord.IsRecordType(this))
{
return(typeof(NdefWindowsSettingsRecord));
}
}
// Unique / base record types
if (NdefUriRecord.IsRecordType(this))
{
return(typeof(NdefUriRecord));
}
if (NdefSpRecord.IsRecordType(this))
{
return(typeof(NdefSpRecord));
}
if (NdefTextRecord.IsRecordType(this))
{
return(typeof(NdefTextRecord));
}
if (NdefSpActRecord.IsRecordType(this))
{
return(typeof(NdefSpActRecord));
}
if (NdefSpSizeRecord.IsRecordType(this))
{
return(typeof(NdefSpSizeRecord));
}
if (NdefSpMimeTypeRecord.IsRecordType(this))
{
return(typeof(NdefSpMimeTypeRecord));
}
if (NdefLaunchAppRecord.IsRecordType(this))
{
return(typeof(NdefLaunchAppRecord));
}
if (NdefAndroidAppRecord.IsRecordType(this))
{
return(typeof(NdefAndroidAppRecord));
}
if (NdefVcardRecordBase.IsRecordType(this))
{
return(typeof(NdefVcardRecordBase));
}
if (NdefIcalendarRecordBase.IsRecordType(this))
{
return(typeof(NdefIcalendarRecordBase));
}
if (NdefBtSecureSimplePairingRecord.IsRecordType(this))
{
return(typeof(NdefBtSecureSimplePairingRecord));
}
if (NdefHandoverSelectRecord.IsRecordType(this))
{
return(typeof(NdefHandoverSelectRecord));
}
if (NdefHandoverErrorRecord.IsRecordType(this))
{
return(typeof(NdefHandoverErrorRecord));
}
if (NdefHandoverAlternativeCarrierRecord.IsRecordType(this))
{
return(typeof(NdefHandoverAlternativeCarrierRecord));
}
if (NdefMimeImageRecordBase.IsRecordType(this))
{
return(typeof(NdefMimeImageRecordBase));
}
return(typeof(NdefRecord));
}
/// <summary>
/// Go through the records stored in this message, parse them and assign
/// them to the individual properties. This also checks if the child records
/// are actually valid for a Handover Select message.
/// </summary>
public void SetAndAssignChildRecords(byte[] payloadToParse)
{
// Create NDEF message based on payload
var childRecordsMsg = NdefMessage.FromByteArray(payloadToParse);
// Clear previous child records
_handoverAlternativeCarrierRecords = null;
_handoverErrorRecord = null;
// Assign new child records from the source message
if (childRecordsMsg.Count < 1)
{
throw new NdefException(NdefExceptionMessages.ExHandoverSelectMsgInvalidRecords);
}
foreach (var curChildRecord in childRecordsMsg)
{
// Alternate carrier record
if (curChildRecord.CheckSpecializedType(false) == typeof(NdefHandoverAlternativeCarrierRecord))
{
if (HandoverErrorRecord != null)
{
// Error record needs to be last - there can't be an AC record
// after we have already found an error record.
throw new NdefException(NdefExceptionMessages.ExHandoverSelectMsgInvalidRecords);
}
if (_handoverAlternativeCarrierRecords == null)
{
_handoverAlternativeCarrierRecords = new List<NdefHandoverAlternativeCarrierRecord>();
}
_handoverAlternativeCarrierRecords.Add(new NdefHandoverAlternativeCarrierRecord(curChildRecord));
}
else if (curChildRecord.CheckSpecializedType(false) == typeof(NdefHandoverErrorRecord))
{
if (_handoverErrorRecord != null)
{
// Only one error record is allowed
throw new NdefException(NdefExceptionMessages.ExHandoverSelectMsgInvalidRecords);
}
_handoverErrorRecord = new NdefHandoverErrorRecord(curChildRecord);
}
else
{
// Unknown record found that should not be in this message
throw new NdefException(NdefExceptionMessages.ExHandoverSelectMsgInvalidRecords);
}
}
}
