protected boolean nextField()

in core/src/main/java/org/apache/james/mime4j/stream/MimeEntity.java [262:299]
36 lines of code
12 McCabe index (conditional complexity)

    protected boolean nextField() throws MimeException, IOException {
        int maxHeaderCount = config.getMaxHeaderCount();
        // the loop is here to transparently skip invalid headers
        for (;;) {
            if (endOfHeader) {
                return false;
            }
            if (maxHeaderCount > 0 && headerCount >= maxHeaderCount) {
                throw new MaxHeaderLimitException("Maximum header limit (" + maxHeaderCount + ") exceeded");
            }
            headerCount++;
            fieldBuilder.reset();
            readRawField();
            try {
                RawField rawfield = fieldBuilder.build();
                if (rawfield == null) {
                    continue;
                }
                if (rawfield.getDelimiterIdx() != rawfield.getName().length()) {
                    monitor(Event.OBSOLETE_HEADER);
                }
                Field parsedField = bodyDescBuilder.addField(rawfield);
                field = parsedField != null ? parsedField : rawfield;
                return true;
            } catch (MimeException e) {
                monitor(Event.INVALID_HEADER);
                if (config.isMalformedHeaderStartsBody()) {
                    LineReaderInputStream instream = getDataStream();
                    RecycledByteArrayBuffer buf = fieldBuilder.getRaw();
                    // Complain, if raw data is not available or cannot be 'unread'
                    if (buf == null || !instream.unread(buf)) {
                        throw new MimeParseEventException(Event.INVALID_HEADER);
                    }
                    return false;
                }
            }
        }
    }