private long readDigits()

in protocols/imap/src/main/java/org/apache/james/imap/decode/ImapRequestLineReader.java [783:830]
48 lines of code
20 McCabe index (conditional complexity)

    private long readDigits(int add, long total, boolean first, boolean stopOnParen
            ) throws DecodingException {
        final char next;
        if (first) {
            next = nextWordChar();
        } else {
            consume();
            next = nextChar();
        }
        final long currentTotal = (10 * total) + add;
        switch (next) {
        case '0':
            return readDigits(0, currentTotal, false, stopOnParen);
        case '1':
            return readDigits(1, currentTotal, false, stopOnParen);
        case '2':
            return readDigits(2, currentTotal, false, stopOnParen);
        case '3':
            return readDigits(3, currentTotal, false, stopOnParen);
        case '4':
            return readDigits(4, currentTotal, false, stopOnParen);
        case '5':
            return readDigits(5, currentTotal, false, stopOnParen);
        case '6':
            return readDigits(6, currentTotal, false, stopOnParen);
        case '7':
            return readDigits(7, currentTotal, false, stopOnParen);
        case '8':
            return readDigits(8, currentTotal, false, stopOnParen);
        case '9':
            return readDigits(9, currentTotal, false, stopOnParen);
        case '.':
        case ' ':
        case '>':
        case '\r':
        case '\n':
        case '\t':
            return currentTotal;
        case ')':
            if (stopOnParen) {
                return currentTotal;
            } else {
                throw new DecodingException(HumanReadableText.ILLEGAL_ARGUMENTS, "Expected a digit but was " + next);
            }
        default:
            throw new DecodingException(HumanReadableText.ILLEGAL_ARGUMENTS, "Expected a digit but was " + next);
        }
    }