fCraft.IPKeyAttribute.Validate C# (CSharp) Method

        public override void Validate( string value )
        {
            base.Validate( value );

            IPAddress test;
            if ( value.Length == 0 ) {
                test = GetBlankValueSubstitute();
            } else if ( !IPAddress.TryParse( value, out test ) ) {
                throw new FormatException( "Value cannot be parsed as an IP Address." );
            }
            if ( NotAny && test.Equals( IPAddress.Any ) ) {
                throw new FormatException( String.Format( "Value cannot be {0}", IPAddress.Any ) );
            }
            if ( NotNone && test.Equals( IPAddress.None ) ) {
                throw new FormatException( String.Format( "Value cannot be {0}", IPAddress.None ) );
            }
            if ( NotLAN && test.IsLAN() ) {
                throw new FormatException( "Value cannot be a LAN address." );
            }
            if ( NotLoopback && IPAddress.IsLoopback( test ) ) {
                throw new FormatException( "Value cannot be a loopback address." );
            }
        }