protected void doGet()

in server/src/main/java/org/apache/hupa/server/servlet/DownloadAttachmentServlet.java [72:124]
48 lines of code
8 McCabe index (conditional complexity)

    protected void doGet(HttpServletRequest request,
            HttpServletResponse response) throws ServletException, IOException {

        User user = (User) request.getSession().getAttribute(SConsts.USER_SESS_ATTR);
        if (user == null)
            throw new ServletException("Invalid session");

        String message_uuid = request.getParameter(SConsts.PARAM_UID);
        String attachmentName = request.getParameter(SConsts.PARAM_NAME);
        String folderName = request.getParameter(SConsts.PARAM_FOLDER);
        String mode = request.getParameter(SConsts.PARAM_MODE);
        boolean inline = "inline".equals(mode);
        if (!inline) {
        response.setHeader("Content-disposition", "attachment; filename="
            + attachmentName + "");
        }
        InputStream in = null;
        OutputStream out = response.getOutputStream();

        IMAPFolder folder = null;
        try {
            Store store = cache.get(user);
            folder = (IMAPFolder) store.getFolder(folderName);
            if (folder.isOpen() == false) {
                folder.open(Folder.READ_ONLY);
            }
            Message m = folder.getMessageByUID(Long.parseLong(message_uuid));

            Object content = m.getContent();
            Part part  = MessageUtils.handleMultiPart(logger, content, attachmentName);
            if (part.getContentType()!=null) {
                response.setContentType(part.getContentType());
            } else {
                response.setContentType("application/download");
            }

            handleAttachmentData(request, m, attachmentName, part.getInputStream(), out);
            return;
        } catch (Exception e) {
            logger.error("Error while downloading attachment "
                    + attachmentName + " of message " + message_uuid
                    + " for user " + user.getName(), e);
        } finally {
            IOUtils.closeQuietly(in);
            IOUtils.closeQuietly(out);
            if (folder != null) {
                try {
                    folder.close(false);
                } catch (MessagingException e) {
                }
            }
        }
    }