package javaxt.exchange;

import java.util.regex.Pattern;

//******************************************************************************

//** EmailAddress Class

//******************************************************************************

/**

* Used to represent an email address.

*

******************************************************************************/

public class EmailAddress {

/** Email validation from mkyong:

* http://www.mkyong.com/regular-expressions/how-to-validate-email-address-with-regular-expression/

*/

private static final Pattern pattern = Pattern.compile(

//"^[_A-Za-z0-9-]+(\\.[_A-Za-z0-9-]+)*@[A-Za-z0-9]+(\\.[A-Za-z0-9]+)*(\\.[A-Za-z]{2,})$"

"^[_A-Za-z0-9-+]+(\\.[_A-Za-z0-9-+]+)*@[A-Za-z0-9-]+(\\.[A-Za-z0-9-]+)*(\\.[A-Za-z]{2,})$"

);

private String emailAddress;

//**************************************************************************

//** Constructor

//**************************************************************************

/** Creates a new instance of EmailAddress. */

public EmailAddress(String email) throws ExchangeException {

String emailAddress = email;

if (emailAddress!=null){

emailAddress = emailAddress.toLowerCase().trim();

if (!pattern.matcher(emailAddress).matches()) emailAddress = null;

}

if (emailAddress==null){

throw new ExchangeException("Invalid Email Address: " + email); //<--DO NOT CHANGE THIS ERROR MESSAGE! Check code for usage...

}

this.emailAddress = emailAddress;

}

//**************************************************************************

//** toString

//**************************************************************************

/** Returns the email address used to instantiate this class. Note that the

* email address is trimmed and converted to lower case in the constructor.

*/

public String toString(){

return emailAddress;

}

public int hashCode(){

return emailAddress.hashCode();

}

//**************************************************************************

//** equals

//**************************************************************************

/** Performs case insensitive string comparison between two email addresses.

* @param obj String or EmailAddress

*/

public boolean equals(Object obj){

if (obj!=null){

if (obj instanceof EmailAddress){

return obj.toString().equalsIgnoreCase(emailAddress);

}

else if (obj instanceof String){

try{

return new EmailAddress((String) obj).toString().equalsIgnoreCase(emailAddress);

}

catch(Exception e){

}

}

}

return false;

}

}