final char[] candidates = { ',', '\t', ';', '|' };
        int maxCount = 0;
        char bestDelimiter = ',';

        for (final char candidate : candidates) {
            final int count = countOccurrences(line, candidate);
            if (count > maxCount) {
                maxCount = count;
                bestDelimiter = candidate;
            }
        }

        if (logger.isDebugEnabled()) {