/*
* ====================================================================
* Copyright (C) 1997-2008 by Naijatek.com
*
* All copyright notices regarding MyAlumni MUST remain
* intact in the scripts and in the outputted HTML.
* The "powered by" text/logo with a link back to
* http://www.naijatek.com in
* the footer of the pages MUST remain visible when the pages
* are viewed on the internet or intranet.
*
* 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
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Support can be obtained from support forums at:
* http://www.naijatek.com/myalumni/forum
*
* Correspondence and Marketing Questions can be sent to:
* info at naijatek com
*
* <p>Title: MyAlumni </p>
* <p>Description: This system helps keep alive the line of communications between alumni/alumnus</p>
* <p>Copyright: Copyright (c) 1997-2008</p>
* <p>Company: Naijatek Solutions (http://www.naijatek.com)</p>
* @author Folashade Adeyosoye (shardayyy@naijatek.com)
* @version 1.0
*/
package net.naijatek.myalumni.util.mail;
import net.naijatek.myalumni.framework.exceptions.MailServerException;
import org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessagePreparator;
import org.springframework.mail.MailPreparationException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import freemarker.template.Configuration;
import freemarker.template.Template;
import freemarker.template.TemplateException;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.InternetAddress;
import javax.mail.MessagingException;
import javax.mail.Message;
import java.util.Map;
import java.util.Iterator;
import java.util.List;
import java.io.*;
/**
* @spring.bean id="templateMailer"
*/
public class FreeMarkerTemplateMailerImpl extends Thread implements ITemplateMailer {
private JavaMailSender mailSender;
private Configuration configuration ;
private static final Log logger = LogFactory.getLog(FreeMarkerTemplateMailerImpl.class);
public FreeMarkerTemplateMailerImpl(JavaMailSender mailSender, Configuration configuration) {
super();
this.mailSender = mailSender;
this.configuration = configuration;
}
public FreeMarkerTemplateMailerImpl() {
super();
}
public void mail(final String email, final Map map, final String bodyTemplatePrefix, final String subjectTemplatePrefix) {
MimeMessagePreparator preparator = new MimeMessagePreparator() {
public void prepare(MimeMessage mimeMessage) throws MessagingException, IOException {
mimeMessage.setRecipient(Message.RecipientType.TO, new InternetAddress(email));
//
// Get the subject
//
//BodyPart subjectPart = new MimeBodyPart();
Template subjectTextTemplate = configuration.getTemplate(subjectTemplatePrefix);
final StringWriter subjectTextWriter = new StringWriter();
try {
subjectTextTemplate.process(map, subjectTextWriter);
} catch (TemplateException e) {
throw new MailPreparationException("Can't generate Subject Text", e);
}
mimeMessage.setSubject(subjectTextWriter.toString());
//
// Create a "text" Multipart message
//
Template bodyTextTemplate = configuration.getTemplate(bodyTemplatePrefix);
final StringWriter bodyTextWriter = new StringWriter();
try {
bodyTextTemplate.process(map, bodyTextWriter);
} catch (TemplateException e) {
throw new MailPreparationException("Can't generate Body Text", e);
}
mimeMessage.setText(bodyTextWriter.toString());
/* // @TODO - This part handles sending an attachement
textPart.setDataHandler(new DataHandler(new DataSource() {
public InputStream getInputStream() throws IOException {
return new StringBufferInputStream(bodyTextWriter.toString());
}
public OutputStream getOutputStream() throws IOException {
throw new IOException("Read-only data");
}
public String getContentType() {
return "text/plain";
}
public String getName() {
return "main";
}
}));
mp.addBodyPart(textPart);*/
/* // Create a "HTML" Multipart message
Multipart htmlContent = new MimeMultipart("related");
BodyPart htmlPage = new MimeBodyPart();
Template htmlTemplate = configuration.getTemplate(templatePrefix + "-html.ftl");
final StringWriter htmlWriter = new StringWriter();
try {
htmlTemplate.process(map, htmlWriter);
} catch (TemplateException e) {
throw new MailPreparationException("Can't generate HTML subscription mail", e);
}
htmlPage.setDataHandler(new DataHandler(new DataSource() {
public InputStream getInputStream() throws IOException {
return new StringBufferInputStream(htmlWriter.toString());
}
public OutputStream getOutputStream() throws IOException {
throw new IOException("Read-only data");
}
public String getContentType() {
return "text/html";
}
public String getName() {
return "main";
}
}));
htmlContent.addBodyPart(htmlPage);
BodyPart htmlPart = new MimeBodyPart();
htmlPart.setContent(htmlContent);
mp.addBodyPart(htmlPart);
mimeMessage.setContent(mp);*/
}
};
mailSender.send(preparator);
}
public void massMail(final List emails, final List contexts, final String bodyTemplatePrefix, final String subjectTemplatePrefix) {
int i = 0;
for (Iterator iterator = emails.iterator(); iterator.hasNext(); i++) {
String email = (String) iterator.next();
mail(email, (Map) contexts.get( i ), bodyTemplatePrefix, subjectTemplatePrefix);
}
}
/** @spring.property ref="mailSender" */
public void setMailSender(JavaMailSender mailSender) {
this.mailSender = mailSender;
}
/** @spring.property ref="freemarkerConfig" */
public void setConfiguration(FreeMarkerConfigurer freeMarkerConfigurer) {
this.configuration = freeMarkerConfigurer.getConfiguration();
}
private static void checkGoodEmail(final String input) throws MailServerException {
if (input == null) {
throw new MailServerException("Sorry, null string is not a good email.");
}
int atIndex = input.indexOf('@');
int dotIndex = input.lastIndexOf('.');
if (atIndex == -1 || dotIndex == -1 || atIndex >= dotIndex) {
throw new MailServerException("Error: '" + input + "' is not a valid email value. Please try again.");
}
// now check for content of the string
byte[] s = input.getBytes();
int length = s.length;
byte b = 0;
for (int i = 0; i < length; i++) {
b = s[i];
if (b >= 'a' && b <= 'z') {
// lower char
} else if (b >= 'A' && b <= 'Z') {
// upper char
} else if (b >= '0' && b <= '9' && i != 0) {
// numeric char
} else if ( ( b=='_' || b=='-' || b=='.' || b=='@' ) && i != 0 ) {
// _ char
} else {
// not good char, throw an BadInputException
throw new MailServerException(input + " is not a valid email. Reason: character '" + (char)b + "' is not accepted in an email.");
}
}// for
// last check
try {
new javax.mail.internet.InternetAddress(input);
}
catch (Exception ex) {
logger.error("Error when running checkGoodEmail", ex);
throw new MailServerException("Assertion: dont want to occur in Util.checkGoodEmail");
}
}
}