org.apache.commons.validator
Class EmailValidator

java.lang.Object
  org.apache.commons.validator.EmailValidator

public class EmailValidator

extends java.lang.Object

Perform email validations.

This class is a Singleton; you can retrieve the instance via the getInstance() method.

Based on a script by Sandeep V. Tamhankar http://javascript.internet.com

Since:

Validator 1.1

Constructor Summary

protected

EmailValidator() Protected constructor for subclasses to use.

Method Summary

static EmailValidator	getInstance() Returns the Singleton instance of this validator.
boolean	isValid(java.lang.String email) Checks if a field has a valid e-mail address.
protected boolean	isValidDomain(java.lang.String domain) Returns true if the domain component of an email address is valid.
protected boolean	isValidIpAddress(org.apache.oro.text.perl.Perl5Util ipAddressMatcher) Validates an IP address.
protected boolean	isValidSymbolicDomain(java.lang.String domain) Validates a symbolic domain name.
protected boolean	isValidUser(java.lang.String user) Returns true if the user component of an email address is valid.

Methods inherited from class java.lang.Object

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

Constructor Detail

EmailValidator

protected EmailValidator()

Protected constructor for subclasses to use.

Method Detail

getInstance

public static EmailValidator getInstance()

Returns the Singleton instance of this validator.

isValid

public boolean isValid(java.lang.String email)

Checks if a field has a valid e-mail address.

Parameters:

email - The value validation is being performed on. A null value is considered invalid.

isValidDomain

protected boolean isValidDomain(java.lang.String domain)

Returns true if the domain component of an email address is valid.

Parameters:

domain - being validatied.

isValidUser

protected boolean isValidUser(java.lang.String user)

Returns true if the user component of an email address is valid.

Parameters:

user - being validated

isValidIpAddress

protected boolean isValidIpAddress(org.apache.oro.text.perl.Perl5Util ipAddressMatcher)

Validates an IP address. Returns true if valid.

Parameters:

ipAddressMatcher - Pattren matcher

isValidSymbolicDomain

protected boolean isValidSymbolicDomain(java.lang.String domain)

Validates a symbolic domain name. Returns true if it's valid.

Parameters:

domain - symbolic domain name