protected void fillMailHeaders()

in bindings/servicemix-mail/src/main/java/org/apache/servicemix/mail/marshaler/DefaultMailMarshaler.java [387:480]
75 lines of code
22 McCabe index (conditional complexity)

    protected void fillMailHeaders(MimeMessage mimeMessage, NormalizedMessage nmsg, String configuredSender, String configuredReceiver)
        throws Exception {
        // fill the "To" field of the mail
        // if there is a TO property, this overrides the standard receiver
        if (nmsg.getProperty(AbstractMailMarshaler.MSG_TAG_TO) != null) {
            Address[] to = InternetAddress.parse(nmsg.getProperty(AbstractMailMarshaler.MSG_TAG_TO)
                .toString());
            if (to != null) {
                mimeMessage.setRecipients(Message.RecipientType.TO, to);
            } 
        // there is no TO property, so try the configured receiver
        } else {
            if (configuredReceiver != null) {
                Address[] to = InternetAddress.parse(configuredReceiver);
                if (to != null) {
                    mimeMessage.setRecipients(Message.RecipientType.TO, to);
                } 
            }
        }

        // fill the "Cc" field of the mail
        if (nmsg.getProperty(AbstractMailMarshaler.MSG_TAG_CC) != null) {
            Address[] cc = InternetAddress.parse(nmsg.getProperty(AbstractMailMarshaler.MSG_TAG_CC)
                .toString());
            if (cc != null) {
                mimeMessage.setRecipients(Message.RecipientType.CC, cc);
            }
        }

        // fill the "Bcc" field of the mail
        if (nmsg.getProperty(AbstractMailMarshaler.MSG_TAG_BCC) != null) {
            Address[] bcc = InternetAddress.parse(nmsg.getProperty(AbstractMailMarshaler.MSG_TAG_BCC)
                .toString());
            if (bcc != null) {
                mimeMessage.setRecipients(Message.RecipientType.BCC, bcc);
            }
        }

        // fill the "From" field of the mail
        if (configuredSender != null && configuredSender.trim().length() > 0) {
            // if sender is configured through xbean then use it
            Address from = InternetAddress.parse(configuredSender)[0];
            if (from != null) {
                mimeMessage.setFrom(from);
            }
        } else if (nmsg.getProperty(AbstractMailMarshaler.MSG_TAG_FROM) != null) {
            // use the delivered From field from the message
            Address from = InternetAddress.parse(nmsg.getProperty(AbstractMailMarshaler.MSG_TAG_FROM)
                .toString())[0];
            if (from != null) {
                mimeMessage.setFrom(from);
            }
        } else {
            // there was no From field delivered, so use the default sender
            Address from = InternetAddress.parse(getDefaultSenderForOutgoingMails())[0];
            if (from != null) {
                mimeMessage.setFrom(from);
            }
        }

        // fill the "Subject" field of the mail
        if (nmsg.getProperty(AbstractMailMarshaler.MSG_TAG_SUBJECT) != null) {
            String subject = nmsg.getProperty(AbstractMailMarshaler.MSG_TAG_SUBJECT).toString();
            if (subject != null) {
                mimeMessage.setSubject(subject);
            } else {
                mimeMessage.setSubject(AbstractMailMarshaler.DUMMY_SUBJECT);
            }
        } else {
            mimeMessage.setSubject(AbstractMailMarshaler.DUMMY_SUBJECT);
        }        

        // fill the "Date" field of the mail
        if (nmsg.getProperty(AbstractMailMarshaler.MSG_TAG_SENTDATE) != null) {
            String sentDate = nmsg.getProperty(AbstractMailMarshaler.MSG_TAG_SENTDATE).toString();
            if (sentDate != null) {
            	try {
            		mimeMessage.setSentDate(DateFormat.getInstance().parse(sentDate));
            	} catch (ParseException ex) {
            		// unparsable date
            		mimeMessage.setSentDate(new Date());
            	}
            }
        }

        // fill the "Reply-To" field of the mail
        if (nmsg.getProperty(AbstractMailMarshaler.MSG_TAG_REPLYTO) != null) {
            Address[] replyTo = InternetAddress.parse(nmsg.getProperty(AbstractMailMarshaler.MSG_TAG_REPLYTO)
                .toString());
            if (replyTo != null) {
                mimeMessage.setReplyTo(replyTo);
            }
        }
    }