public InternetAddress readAddress()

in geronimo-javamail_1.5/geronimo-javamail_1.5_provider/src/main/java/org/apache/geronimo/javamail/store/imap/connection/IMAPResponseTokenizer.java [968:1039]
53 lines of code
10 McCabe index (conditional complexity)

    public InternetAddress readAddress() throws MessagingException {
        // we recurse, expecting a null response back for sublists.
        if (peek().getType() != '(') {
            return null;
        }

        // must start with a paren
        checkLeftParen();

        // personal information
        String personal = readStringOrNil();
        // the domain routine information.
        String routing = readStringOrNil();
        // the target mailbox
        String mailbox = readStringOrNil();
        // and finally the host
        String host = readStringOrNil();
        // and validate the closing paren
        checkRightParen();

        // if this is a real address, we need to compose
        if (host != null) {
            StringBuffer address = new StringBuffer();
            if (routing != null) {
                address.append(routing);
                address.append(':');
            }
            address.append(mailbox);
            address.append('@');
            address.append(host);

            try {
                return new InternetAddress(address.toString(), personal);
            } catch (UnsupportedEncodingException e) {
                throw new ResponseFormatException("Invalid Internet address format");
            }
        }
        else {
            // we're going to recurse on this.  If the mailbox is null (the group name), this is the group item
            // terminator.
            if (mailbox == null) {
                return null;
            }

            StringBuffer groupAddress = new StringBuffer();

            groupAddress.append(mailbox);
            groupAddress.append(':');
            int count = 0;

            while (true) {
                // now recurse until we hit the end of the list
                InternetAddress member = readAddress();
                if (member == null) {
                    groupAddress.append(';');

                    try {
                        return new InternetAddress(groupAddress.toString(), personal);
                    } catch (UnsupportedEncodingException e) {
                        throw new ResponseFormatException("Invalid Internet address format");
                    }
                }
                else {
                    if (count != 0) {
                        groupAddress.append(',');
                    }
                    groupAddress.append(member.toString());
                    count++;
                }
            }
        }
    }