/*
* Copyright (c) 2003-2011, Simon Brown
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* - Neither the name of Pebble nor the names of its contributors may
* be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package net.sourceforge.pebble.event.blogentry;
import net.sourceforge.pebble.api.decorator.ContentDecoratorContext;
import net.sourceforge.pebble.api.event.blogentry.BlogEntryEvent;
import net.sourceforge.pebble.domain.Blog;
import net.sourceforge.pebble.domain.BlogEntry;
import net.sourceforge.pebble.util.MailUtils;
import javax.mail.Session;
import java.text.SimpleDateFormat;
import java.util.List;
/**
* Sends an e-mail notification to e-mail subscribers when new blog entries
* are added.
*
* @author Simon Brown
*/
public class EmailSubscriptionListener extends BlogEntryListenerSupport {
/** a token to be replaced when sending e-mails */
private static final String EMAIL_ADDRESS_TOKEN = "EMAIL_ADDRESS";
/**
* Called when a blog entry has been published.
*
* @param event a BlogEntryEvent instance
*/
public void blogEntryPublished(BlogEntryEvent event) {
BlogEntry blogEntry = event.getBlogEntry();
sendNotification((BlogEntry)blogEntry.clone());
}
private void sendNotification(BlogEntry blogEntry) {
Blog blog = blogEntry.getBlog();
// first of all decorate the blog entry, as if it was being rendered
// via a HTML page or XML feed
ContentDecoratorContext context = new ContentDecoratorContext();
context.setView(ContentDecoratorContext.DETAIL_VIEW);
context.setMedia(ContentDecoratorContext.EMAIL);
blog.getContentDecoratorChain().decorate(context, blogEntry);
SimpleDateFormat sdf = new SimpleDateFormat("dd MMM yyyy HH:mm:ss z");
sdf.setTimeZone(blog.getTimeZone());
String subject = MailUtils.getBlogEntryPrefix(blog) + " " + blogEntry.getTitle();
String message = "<a href=\"" + blogEntry.getLocalPermalink() + "\">Blog entry</a> posted by " + (blogEntry.getUser() != null ? blogEntry.getUser().getName() : blogEntry.getAuthor()) + " on " + sdf.format(blogEntry.getDate());
message += "\n<br>";
if (blogEntry.getExcerpt() != null && blogEntry.getExcerpt().trim().length() > 0) {
message += blogEntry.getExcerpt();
} else {
message += blogEntry.getBody();
}
message += "\n<br>";
message += "<a href=\"" + blogEntry.getLocalPermalink() + "\">Permalink</a>";
message += " | ";
message += "<a href=\"" + blog.getUrl() + "unsubscribe.action?email=" + EMAIL_ADDRESS_TOKEN + "\">Opt-out</a>";
List<String> to = blog.getEmailSubscriptionList().getEmailAddresses();
// now send personalized e-mails to the blog owner and everybody
// that left a comment specifying their e-mail address
try {
Session session = MailUtils.createSession();
for (String emailAddress : to) {
// customize the opt-out link and send the message
MailUtils.sendMail(session, blog, emailAddress, subject,
message.replaceAll(EMAIL_ADDRESS_TOKEN, emailAddress));
}
} catch (Exception e) {
e.printStackTrace();
} catch (NoClassDefFoundError e) {
// most likely: JavaMail is not in classpath
e.printStackTrace();
}
}
}