/**
 * Copyright (c) 2005 UPS_SCS NL
 *  
 */
package org.wamblee.crawler.kiss;

import javax.mail.Authenticator;
import javax.mail.PasswordAuthentication;

/**
 * Authenticator to supply username and password to the mail server
 * (if needed).
 *
 */
public class UsernamePasswordAuthenticator extends Authenticator {
    
    private String _username; 
    private String _password; 

    /**
     * Constructs the authenticator.
     * @param aUsername User name. 
     * @param aPassword Password.
     */
    public UsernamePasswordAuthenticator(String aUsername, String aPassword) { 
        _username = aUsername; 
        _password = aPassword; 
    }
    
    /*
     *  (non-Javadoc)
     * @see javax.mail.Authenticator#getPasswordAuthentication()
     */
    @Override
    protected PasswordAuthentication getPasswordAuthentication( ) {
        if ( _username == null ) { 
            return null; 
        }
        return new PasswordAuthentication(_username, _password);
    }
}