Package org.apache.commons.validator.routines

Class ECNumberValidator

java.lang.Object

org.apache.commons.validator.routines.ECNumberValidator

All Implemented Interfaces:

Serializable

public final class ECNumberValidator
extends Object
implements Serializable

EC number validation.

The European Community number (EC number) is a unique seven-digit identifier that is assigned to chemical substances. For example, the EC number of arsenic is 231-148-6:

Check digit calculation is based on modulus 11 with digits being weighted based on their position (from left to right).

For further information see Wikipedia - EC number.

Since:

1.9.0

See Also:

• Serialized Form

Method Summary

Modifier and Type	Method	Description
static ECNumberValidator	getInstance()	Gets the singleton instance of this validator.
boolean	isValid(String code)	Tests whether the code is a valid EC number.
Object	validate(String code)	Checks the code is valid EC number.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

getInstance

public static ECNumberValidator getInstance()

Gets the singleton instance of this validator.

Returns:

A singleton instance of the EC Number validator.

isValid

public boolean isValid(String code)

Tests whether the code is a valid EC number.

Parameters:

code - The code to validate.

Returns:

true if a EC number, otherwise false.

validate

public Object validate(String code)

Checks the code is valid EC number.

Parameters:

code - The code to validate.

Returns:

An EC number code with dashes removed if valid, otherwise null.