/*
 * Copyright 2006 the original author or authors.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.wamblee.crawler.kiss.notification;

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

/**
 * Authenticator to supply username and password to the mail server (if needed).
 * 
 *
 * @author Erik Brakkee
 */
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);
    }
}