public ISBN(string isbnNumber)
{
int isbnLength = isbnNumber.Replace("-", "").Replace(" ", "").Length;
if (isbnLength == 10)
innerObject = new ISBN10(isbnNumber);
else if (isbnLength == 13)
innerObject = new ISBN13(isbnNumber);
else
throw new ArgumentException("Invalid Format", "isbnText");
}
public ISBN(string isbnNumber)
{
int isbnLength = isbnNumber.Replace("-", "").Replace(" ", "").Length;
if (isbnLength == 10)
{
innerObject = new ISBN10(isbnNumber);
}
else if (isbnLength == 13)
{
innerObject = new ISBN13(isbnNumber);
}
else
{
throw new ArgumentException("Invalid Format", "isbnText");
}
}
/// <summary>
/// Processes the specified ISBN.
/// </summary>
/// <param name="isbn">The ISBN to process.</param>
/// <returns>The <see cref="IISBN"/> generated.</returns>
static IISBN ProcessISBN(string isbn)
{
IISBN ret = null;
try
{
if (isbn.Length == 10)
{
ret = new ISBN10(isbn);
}
else if (isbn.Length == 13)
{
ret = new ISBN13(isbn);
}
}
catch { } // don't care
return(ret);
}
public ISBN(IISBN innerObject)
{
this.innerObject = innerObject;
}
public ISBN(IISBN innerObject)
{
this.innerObject = innerObject;
}
public bool Equals(IISBN other)
{
return(Id.Equals(other.Id));
}
public Book(IISBN isbn)
{
ISBN = isbn;
}
