velosurf.validation
Class Email

java.lang.Object
  velosurf.validation.FieldConstraint
      velosurf.validation.Email

public class Email
extends FieldConstraint

An 'email' constraint. Syntax is:

    <column type="email"/>
  

(Alas, unvalued attributes are not valid in XML...)
Or:

     <column>
       <email [dns-check="true | false"] [smtp-check="true | false" ] [message="error-message"]>
     </column>
   

Author:

Claude Brisson

Nested Class Summary

(package private) class

Email.FastTimeoutConnect

Field Summary

private boolean	_dnsCheck
private boolean	_smtpCheck
private static java.util.regex.Pattern	_validEmail

Fields inherited from class velosurf.validation.FieldConstraint

_message

Constructor Summary

Email()
Default constructor.

Email(boolean dnsCheck, boolean smtpCheck)
Constructor.

Method Summary

private boolean	checkDNS(java.lang.String hostname)
private boolean	checkSMTP(java.lang.String user, java.lang.String hostname)
private java.util.List<java.lang.String>	resolveMXDNS(java.lang.String hostname)
java.lang.String	toString()
boolean	validate(java.lang.Object data)

Methods inherited from class velosurf.validation.FieldConstraint

getMessage, setMessage, validate

Methods inherited from class java.lang.Object

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

Field Detail

_dnsCheck

private boolean _dnsCheck

_smtpCheck

private boolean _smtpCheck

_validEmail

private static java.util.regex.Pattern _validEmail

Constructor Detail

Email

public Email()

Default constructor.

Email

public Email(boolean dnsCheck,
             boolean smtpCheck)

Constructor.

Parameters:

dnsCheck - whether to validate this email using a DNS query

smtpCheck - whether to validate this email using an STMP query

Method Detail

validate

public boolean validate(java.lang.Object data)

Overrides:

validate in class FieldConstraint

Parameters:

data - the data to be validated

Returns:

true if data matches the regex pattern

checkDNS

private boolean checkDNS(java.lang.String hostname)

resolveMXDNS

private java.util.List<java.lang.String> resolveMXDNS(java.lang.String hostname)

checkSMTP

private boolean checkSMTP(java.lang.String user,
                          java.lang.String hostname)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object