/// <summary>
/// Encode the raw data using the Bookland/ISBN algorithm.
/// </summary>
private string Encode_ISBN_Bookland()
{
if (!CheckNumericOnly(Raw_Data))
Error("EBOOKLANDISBN-1: Numeric Data Only");
string type = "UNKNOWN";
if (Raw_Data.Length == 10 || Raw_Data.Length == 9)
{
if (Raw_Data.Length == 10) Raw_Data = Raw_Data.Remove(9, 1);
Raw_Data = "978" + Raw_Data;
type = "ISBN";
}//if
else if (Raw_Data.Length == 12 && Raw_Data.StartsWith("978"))
{
type = "BOOKLAND-NOCHECKDIGIT";
}//else if
else if (Raw_Data.Length == 13 && Raw_Data.StartsWith("978"))
{
type = "BOOKLAND-CHECKDIGIT";
Raw_Data = Raw_Data.Remove(12, 1);
}//else if
//check to see if its an unknown type
if (type == "UNKNOWN") Error("EBOOKLANDISBN-2: Invalid input. Must start with 978 and be length must be 9, 10, 12, 13 characters.");
EAN13 ean13 = new EAN13(Raw_Data);
return ean13.Encoded_Value;
}
/// <summary>
/// Encode the raw data using the JAN-13 algorithm.
/// </summary>
private string Encode_JAN13()
{
if (!Raw_Data.StartsWith("49")) Error("EJAN13-1: Invalid Country Code for JAN13 (49 required)");
if (!CheckNumericOnly(Raw_Data))
Error("EJAN13-2: Numeric Data Only");
EAN13 ean13 = new EAN13(Raw_Data);
return ean13.Encoded_Value;
}
/// <summary>
/// Encode the raw data using the JAN-13 algorithm.
/// </summary>
private string Encode_JAN13()
{
if (!Raw_Data.StartsWith("49"))
{
Error("EJAN13-1: Invalid Country Code for JAN13 (49 required)");
}
if (!CheckNumericOnly(Raw_Data))
{
Error("EJAN13-2: Numeric Data Only");
}
EAN13 ean13 = new EAN13(Raw_Data);
return(ean13.Encoded_Value);
}//Encode_JAN13
/// <summary>
/// Encode the raw data using the Bookland/ISBN algorithm.
/// </summary>
private string Encode_ISBN_Bookland()
{
if (!CheckNumericOnly(Raw_Data))
{
Error("EBOOKLANDISBN-1: Numeric Data Only");
}
string type = "UNKNOWN";
if (Raw_Data.Length == 10 || Raw_Data.Length == 9)
{
if (Raw_Data.Length == 10)
{
Raw_Data = Raw_Data.Remove(9, 1);
}
Raw_Data = "978" + Raw_Data;
type = "ISBN";
}//if
else if (Raw_Data.Length == 12 && Raw_Data.StartsWith("978"))
{
type = "BOOKLAND-NOCHECKDIGIT";
}//else if
else if (Raw_Data.Length == 13 && Raw_Data.StartsWith("978"))
{
type = "BOOKLAND-CHECKDIGIT";
Raw_Data = Raw_Data.Remove(12, 1);
}//else if
//check to see if its an unknown type
if (type == "UNKNOWN")
{
Error("EBOOKLANDISBN-2: Invalid input. Must start with 978 and be length must be 9, 10, 12, 13 characters.");
}
EAN13 ean13 = new EAN13(Raw_Data);
return(ean13.Encoded_Value);
}//Encode_ISBN_Bookland
