Struct SepaIBAN

Helper class for working with IBANs.

Implements

System.IComparable<SepaIBAN>

System.IComparable

Inherited Members

System.Object.Equals(System.Object, System.Object)

System.Object.GetType()

System.Object.ReferenceEquals(System.Object, System.Object)

Namespace: Subsembly.Sepa

Assembly: Subsembly.Sepa.dll

Syntax

public struct SepaIBAN : IComparable<SepaIBAN>, IComparable

Constructors

SepaIBAN(String)

Wrap an IBAN given in its electronic format with a new SepaIBAN instance.

Declaration

public SepaIBAN(string sIBAN)

Parameters

Type	Name	Description
System.String	sIBAN	Complete IBAN that shall be wrapped by the new SepaIBAN instance. The IBAN must be given in its electronic format, i.e. it must not contain whitespace or symbol characters, and all letters must be upper case. If this parameter is null or an empty string, then this will be a NullIBAN. Use Capture(String) in order to pre-process a user entered IBAN.

Remarks

This constructor does not validate the given IBAN checksum, but it validates whether the given string looks like an IBAN using IsValid(String).

Exceptions

Type	Condition
System.ArgumentException	The given IBAN string was no IBAN in its eletronic format (i.e. IsValid(String) returns false on it.

SepaIBAN(String, String, String)

Makes a new SepaIBAN by coercing the given parameters with a valid checksum.

Declaration

public SepaIBAN(string sCountryCode, string sBankCode, string sAcctNo)

Parameters

Type	Name	Description
System.String	sCountryCode	The two letter country code of the country for which to generate the IBAN. This is not validated to be a real country code, and thus may be any string consisting of two upper case letters.
System.String	sBankCode	Optional bank code portion of the IBAN to be made, including any leading zeroes. May be null or an empty string.
System.String	sAcctNo	The complete account number portion of the IBAN to be made, including any leading zeroes. This must not be null and must not be an empty string.

Exceptions

Type	Condition
System.ArgumentNullException	The parameter sCountryCode or sAcctNo was null.
System.ArgumentException	The sCountryCode did not consist of two upper case characters, or, the sBankCode (if present) or sAcctNo did not consist solely of upper case characters and digits. Or the combined length did exceed the 34 character IBAN limit.

Fields

MAXLENGTH

The maximum length of any IBAN in electronic format without IBAN prefix and without any symbols or whitespace is 34.

Declaration

public const int MAXLENGTH = 34

Field Value

Type	Description
System.Int32

MINLENGTH

The minimum length of any IBAN in electronic format without IBAN prefix and without any symbols or whitespace is 6.

Declaration

public const int MINLENGTH = 6

Field Value

Type	Description
System.Int32

NullIBAN

Represents an unset SepaIBAN instance.

Declaration

public static readonly SepaIBAN NullIBAN

Field Value

Type	Description
SepaIBAN

Properties

AcctNo

Provides the branch and account number part of this IBAN, less any leading zeroes.

Declaration

public readonly string AcctNo { get; }

Property Value

Type	Description
System.String

Remarks

May be null, if it cannot be determined, because the IBAN structure is not known.

BankCode

Provides the bank identification code part of this IBAN, less any leading zeroes.

Declaration

public readonly string BankCode { get; }

Property Value

Type	Description
System.String

Remarks

May be null, if it cannot be determined, because the IBAN structure is not known.

CountryCode

Provides the country code portion of this IBAN.

Declaration

public readonly string CountryCode { get; }

Property Value

Type	Description
System.String

IBAN

Provides the wrapped IBAN in its electronic format. The value is null if this IBAN IsNull.

Declaration

public readonly string IBAN { get; }

Property Value

Type	Description
System.String

IsNull

Indicates whether this IBAN is the NullIBAN.

Declaration

public readonly bool IsNull { get; }

Property Value

Type	Description
System.Boolean

Length

Returns the actual length of this IBAN. If this IsNull, then zero is returned.

Declaration

public readonly int Length { get; }

Property Value

Type	Description
System.Int32

Methods

Capture(String)

Creates the electronic format IBAN representation from a given paper format IBAN.

Declaration

public static string Capture(string sPaperIBAN)

Parameters

Type	Name	Description
System.String	sPaperIBAN	Paper format IBAN to be captured in electronic format. This may be prefixed with IBAN and may contain any number of blanks.

Returns

Type	Description
System.String	Electronic format IBAN without blanks and without optional IBAN prefix. Any lower case characters have been converted to upper case. The result was not validated as an IBAN. It is up to the caller to validate the IBAN using IsValid(String) or other methods. The result may even be an empty string! If the parameter sPaperIBAN was null or an empty string, then the return value will be null.

Remarks

If the given paper IBAN starts with the prefix "IBAN", then this prefix is removed from the captured electronic IBAN.

Any non alphanumeric characters, such as whitespace or symbols, are removed from the captured electronic IBAN.

Any lower case letters are converted into upper case letters.

If the

IsValid(String)

CompareTo(SepaIBAN)

Declaration

public int CompareTo(SepaIBAN aOtherIBAN)

Parameters

Type	Name	Description
SepaIBAN	aOtherIBAN

Returns

Type	Description
System.Int32

CompareTo(Object)

Declaration

public int CompareTo(object aObject)

Parameters

Type	Name	Description
System.Object	aObject

Returns

Type	Description
System.Int32

Equals(Object)

Compares the electronic IBAN representation for equivalence.

Declaration

public override bool Equals(object obj)

Parameters

Type	Name	Description
System.Object	obj	Right hand side to compare to.

Returns

Type	Description
System.Boolean	True if both are essentially the same IBAN.

Overrides

System.ValueType.Equals(System.Object)

Format()

Formats this electronic format IBAN into a paper format IBAN.

Declaration

public string Format()

Returns

Type	Description
System.String	Paper format IBAN. If this method is applied to the NullIBAN, then an empty string is returned.

Remarks

The paper representation of the IBAN is the same as the electronic format except that the IBAN is split up in groups of 4 characters separated by a space. The last group is variable in length, up to 4 characters.

Capture(String)

Format(String)

Nicely formats the given IBAN input into groups of four IBAN characters.

Declaration

public static string Format(string sIBAN)

Parameters

Type	Name	Description
System.String	sIBAN

Returns

Type	Description
System.String

GetCountryCode(String)

Returns the country code portion of the given IBAN.

Declaration

public static string GetCountryCode(string sIBAN)

Parameters

Type	Name	Description
System.String	sIBAN	Complete IBAN to extract the country code from. The IBAN must be given in its electronic format, i.e. it must not contain whitespace or symbol characters, and all letters must be upper case. Use Capture(String) in order to pre-process a paper format IBAN. This parameter may be null.

Returns

Type	Description
System.String	If the parameter was null, or an empty string, or an invalid IBAN, then null is returned. Otherwise the two letter country code is returned.

GetGermanAcctNo(String)

Extract the german account number from an IBAN.

Declaration

public static string GetGermanAcctNo(string sIBAN)

Parameters

Type	Name	Description
System.String	sIBAN

Returns

Type	Description
System.String	The german account number for a valid german IBAN or null otherwise.

See Also

SepaGermanIBAN

GetGermanBankCode(String)

Extract the german bank code (Bankleitzahl) from an IBAN.

Declaration

public static string GetGermanBankCode(string sIBAN)

Parameters

Type	Name	Description
System.String	sIBAN

Returns

Type	Description
System.String	The german bankcode for a valid german IBAN or null otherwise.

See Also

SepaGermanIBAN

GetHashCode()

Provides an hash code based on the electronic IBAN representation of this IBAN.

Declaration

public override int GetHashCode()

Returns

Type	Description
System.Int32	Hashcode.

Overrides

System.ValueType.GetHashCode()

IsValid(String)

Tests whether a string is a valid IBAN in its electronic format.

Declaration

public static bool IsValid(string sIBAN)

Parameters

Type	Name	Description
System.String	sIBAN	Complete IBAN to be checked. The IBAN must be given in its electronic format, i.e. it must not contain whitespace or symbol characters, and all letters must be upper case. This parameter must not be null. Use Capture(String) in order to pre-process a paper format IBAN.

Returns

Type	Description
System.Boolean	If the given string is a valid IBAN, then true is returned. Otherwise false is returned. If the parameter sIBAN was null, then false is returned, too.

Remarks

The test first checks the string length (must be within MINLENGTH and MAXLENGTH), and whether the string consists solely of upper case alphanumeric characters. Then it checks whether the string starts with a two letter country code, followed by the two digits checksum. Also the checksum itself is verified. Finally it checks the length using all well known SepaIBANSpecs.

Capture(String)

ToString()

Returns the electronic format of this IBAN.

Declaration

public override string ToString()

Returns

Type	Description
System.String	Electronic format of this IBAN.

Overrides

System.ValueType.ToString()

TryCapture(String)

Tries to Capture(String) an IBAN. If no valid IBAN was captured, then NullIBAN is returned.

Declaration

public static SepaIBAN TryCapture(string sPaperIBAN)

Parameters

Type	Name	Description
System.String	sPaperIBAN

Returns

Type	Description
SepaIBAN

Operators

Equality(SepaIBAN, SepaIBAN)

Equality operator compares the electronic format of the IBAN.

Declaration

public static bool operator ==(SepaIBAN lhs, SepaIBAN rhs)

Parameters

Type	Name	Description
SepaIBAN	lhs
SepaIBAN	rhs

Returns

Type	Description
System.Boolean

Inequality(SepaIBAN, SepaIBAN)

Inequality operator compares the electronic format of the IBAN.

Declaration

public static bool operator !=(SepaIBAN lhs, SepaIBAN rhs)

Parameters

Type	Name	Description
SepaIBAN	lhs
SepaIBAN	rhs

Returns

Type	Description
System.Boolean

Implements

System.IComparable<T>

System.IComparable