/** * Send <strong><em>one</em></strong> mail to multiple recipients and multiple BCC recipients * <em>(in one mail)</em>. * * @param transport transport connection, if null transport is create inside the method * @param sender the "From" field * @param recipients the "To" field with multiple addresses. * @param bccRecipients the "Bcc" field with multiple addresses. * @param subject the Subject of the message * @param content the Content of the message * @param isHTML flag indicating wether the Content is html (<code>true</code>) or text (<code> * false</code>) * @throws MessagingException Forwarded exception from javax.mail * @throws IllegalArgumentException if no recipient provided or no sender */ public void sendMail( Transport transport, InternetAddress sender, List<InternetAddress> recipients, List<InternetAddress> ccRecipients, List<InternetAddress> bccRecipients, String subject, String content, String txtContent, boolean isHTML, Collection<Attachment> attachments) throws MessagingException { String recipientsStr = new LinkedList<InternetAddress>(recipients).toString(); if (sender == null || recipients == null || recipients.size() == 0) { throw new IllegalArgumentException( "Sender null (sender: " + sender + ") or no recipient: " + recipients); } if (props != null) { logger.info( "Sending mail with subject: " + subject + " to: " + recipients.size() + " recipients: " + recipientsStr + "\n" + "Using smtp: " + props.getProperty(SMTP_HOST_PARAM, DEFAULT_SMTP_HOST) + " / " + props.getProperty(SMTP_USER_PARAM) + " / " + props.getProperty(SMTP_PASSWORD_PARAM)); } Date sendDate = new Date(); if (!DEBUG) { Session mailSession = Session.getDefaultInstance(props); MimeMessage msg = new MimeMessage(mailSession); msg.setSentDate(sendDate); msg.setFrom(sender); msg.setRecipients( Message.RecipientType.TO, recipients.toArray(new InternetAddress[recipients.size()])); if (ccRecipients != null && ccRecipients.size() > 0) { msg.setRecipients( Message.RecipientType.CC, ccRecipients.toArray(new InternetAddress[ccRecipients.size()])); } if (bccRecipients != null && bccRecipients.size() > 0) { msg.setRecipients( Message.RecipientType.BCC, bccRecipients.toArray(new InternetAddress[bccRecipients.size()])); } msg.setSubject(subject, ContentContext.CHARACTER_ENCODING); if (isHTML) { MimeBodyPart wrap = new MimeBodyPart(); MimeMultipart cover = new MimeMultipart("alternative"); MimeBodyPart bp = new MimeBodyPart(); if (txtContent == null) { txtContent = StringHelper.html2txt(content); } bp.setText(txtContent, ContentContext.CHARACTER_ENCODING); cover.addBodyPart(bp); bp = new MimeBodyPart(); bp.setText(content, ContentContext.CHARACTER_ENCODING, "html"); cover.addBodyPart(bp); wrap.setContent(cover); MimeMultipart contentMail = new MimeMultipart("related"); if (attachments != null) { for (Attachment attach : attachments) { String id = UUID.randomUUID().toString(); /* * sb.append("<img src=\"cid:"); sb.append(id); * sb.append("\" alt=\"ATTACHMENT\"/>\n"); */ MimeBodyPart attachment = new MimeBodyPart(); DataSource fds = new ByteArrayDataSource( attach.getData(), ResourceHelper.getFileExtensionToMineType( StringHelper.getFileExtension(attach.getName()))); attachment.setDataHandler(new DataHandler(fds)); attachment.setHeader("Content-ID", "<" + id + ">"); attachment.setFileName(attach.getName()); contentMail.addBodyPart(attachment); } } contentMail.addBodyPart(wrap); msg.setContent(contentMail); msg.setSentDate(new Date()); } else { assert attachments == null : "no attachements in text format."; msg.setText(content); } /* * if (isHTML) { msg.addHeader("Content-Type", * "text/html; charset=\"" + ContentContext.CHARACTER_ENCODING + * "\""); } */ msg.saveChanges(); if (transport == null || !transport.isConnected()) { transport = getMailTransport(staticConfig); try { transport.sendMessage(msg, msg.getAllRecipients()); } finally { transport.close(); } } else { transport.sendMessage(msg, msg.getAllRecipients()); } } else { FileOutputStream out = null; try { PrintStream w = System.out; if (tempDir != null && new File(tempDir).exists()) { File mailFile = new File( tempDir, "mail-debug/mail-" + StringHelper.renderFileTime(sendDate) + "-" + StringHelper.stringToFileName(subject) + ".txt"); mailFile.getParentFile().mkdirs(); out = new FileOutputStream(mailFile, true); w = new PrintStream(mailFile, ContentContext.CHARACTER_ENCODING); } else { w.println(""); } w.println("FROM:"); w.println(sender.toString()); w.print("TO: #"); w.println(Integer.toString(recipients.size())); for (InternetAddress recipient : recipients) { w.println(recipient.toString()); } if (ccRecipients != null) { w.print("CC: #"); w.println(Integer.toString(ccRecipients.size())); for (InternetAddress ccRecipient : ccRecipients) { w.println(ccRecipient.toString()); } } if (bccRecipients != null) { w.print("BCC: #"); w.println(Integer.toString(bccRecipients.size())); for (InternetAddress bccRecipient : bccRecipients) { w.println(bccRecipient.toString()); } } w.println("SUBJECT:"); w.println(subject); w.print("IS HTML: "); w.println(isHTML); w.println("CONTENT:"); w.print("--BEGIN--"); w.print(content); w.println("--END--"); w.println(""); w.flush(); } catch (IOException e) { throw new RuntimeException("Exception when writing debug mail file.", e); } finally { ResourceHelper.safeClose(out); } } logger.info("Mail sent to: " + recipientsStr); }