Method list

app/src/main/java/com/sun/mail/pop3/POP3Folder.java:100–103

Always throws MessagingException because no POP3 folders can contain subfolders. @exception MessagingException always

(String pattern)

     * @exception	MessagingException	always
     */
    @Override
    public Folder[] list(String pattern) throws MessagingException {
	throw new MessagingException("not a directory");
    }

    /**
     * Always returns a NUL character because POP3 doesn't support a hierarchy.