public static boolean handleParts()

in server/src/main/java/org/apache/hupa/server/utils/MessageUtils.java [140:203]
51 lines of code
15 McCabe index (conditional complexity)

    public static boolean handleParts(Message message, Object content, StringBuffer sbPlain,
            ArrayList<MessageAttachment> attachmentList) throws UnsupportedEncodingException, MessagingException,
            IOException {
        boolean isHTML = false;
        if (content instanceof String) {
            if (message.getContentType().toLowerCase().startsWith("text/html")) {
                isHTML = true;
            } else {
                isHTML = false;
            }
            sbPlain.append((String) content);

        } else if (content instanceof Multipart) {

            Multipart mp = (Multipart) content;
            String multipartContentType = mp.getContentType().toLowerCase();

            String text = null;

            if (multipartContentType.startsWith("multipart/alternative")) {
                isHTML = handleMultiPartAlternative(mp, sbPlain);
            } else {
                for (int i = 0; i < mp.getCount(); i++) {
                    Part part = mp.getBodyPart(i);

                    String contentType = part.getContentType().toLowerCase();

                    Boolean bodyRead = sbPlain.length() > 0;

                    if (!bodyRead && contentType.startsWith("text/plain")) {
                        isHTML = false;
                        text = (String) part.getContent();
                    } else if (!bodyRead && contentType.startsWith("text/html")) {
                        isHTML = true;
                        text = (String) part.getContent();
                    } else if (!bodyRead && contentType.startsWith("message/rfc822")) {
                        // Extract the message and pass it
                        MimeMessage msg = (MimeMessage) part.getDataHandler().getContent();
                        isHTML = handleParts(msg, msg.getContent(), sbPlain, attachmentList);
                    } else {
                        if (part.getFileName() != null) {
                            // Inline images are not added to the attachment
                            // list
                            // TODO: improve the in-line images detection
                            if (part.getHeader("Content-ID") == null) {
                                MessageAttachment attachment = new MessageAttachmentImpl();
                                attachment.setName(MimeUtility.decodeText(part.getFileName()));
                                attachment.setContentType(part.getContentType());
                                attachment.setSize(part.getSize());
                                attachmentList.add(attachment);
                            }
                        } else {
                            isHTML = handleParts(message, part.getContent(), sbPlain, attachmentList);
                        }
                    }

                }
                if (text != null)
                    sbPlain.append(text);
            }

        }
        return isHTML;
    }