com.krawler.notify.email.EmailNotification.java Source code

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Here is the source code for com.krawler.notify.email.EmailNotification.java

Source

/*
 * Copyright (C) 2012  Krawler Information Systems Pvt Ltd
 * All rights reserved.
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/
package com.krawler.notify.email;

import java.util.Map;

import javax.mail.PasswordAuthentication;
import javax.mail.Session;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.krawler.notify.Notification;
import com.krawler.notify.NotificationException;
import com.krawler.notify.NotificationListener;
import com.krawler.notify.SenderCache;

public abstract class EmailNotification implements Notification, NotificationListener {
    protected SenderCache<EmailSender> senderCache;
    protected final Log logger = LogFactory.getLog(getClass());
    private MessageStore messageStore = new MessageStore();

    public void setMessageStore(MessageStore messageStore) {
        this.messageStore = messageStore;
    }

    public void setSenderCache(SenderCache<EmailSender> senderCache) {
        this.senderCache = senderCache;
    }

    public MessageStore getMessageStore() {
        return messageStore;
    }

    public final void produce() throws NotificationException {
        Session session;
        session = senderCache.getSender(getSenderKey(), getCustomSetting(), getUserName(), getPassword())
                .createSession(this);
        MessageProducer producer = new MessageProducer(this, session);
        Thread t = new Thread(producer);
        t.start();
    }

    public Map<String, Object> getCustomSetting() {
        return null;
    }

    public String getUserName() {
        return null;
    }

    public String getPassword() {
        return null;
    }

    protected PasswordAuthentication getPasswordAuthentication() {
        String userName = getUserName();
        String password = getPassword();

        if (userName != null && userName.length() > 0 && password != null && password.length() > 0) {
            return new PasswordAuthentication(userName, password);
        }

        return null;
    }

    public abstract void prepare(Session session) throws NotificationException;

    public abstract long getMessageCount() throws NotificationException;

    @Override
    public void send() throws NotificationException {
        senderCache.getSender(getSenderKey(), getCustomSetting(), getUserName(), getPassword()).send(this);
    }

    @Override
    public void queue() throws NotificationException {
        senderCache.getSender(getSenderKey(), getCustomSetting(), getUserName(), getPassword()).queue(this);
    }

    public String getSenderKey() {
        return null;
    }
}