private long parseInt64()

in asterixdb-jdbc/asterix-jdbc-core/src/main/java/org/apache/asterix/jdbc/core/ADBRowStore.java [1114:1144]

• 31 lines of code
• 9 McCabe index (conditional complexity)

    private <T> long parseInt64(T buffer, int begin, int end, ICharAccessor<T> charAccessor) throws SQLException {
        if (end < begin) {
            throw new IllegalArgumentException();
        }
        boolean positive = true;
        long value = 0;
        int offset = begin;
        char c = charAccessor.charAt(buffer, offset);
        if (c == '+') {
            offset++;
        } else if (c == '-') {
            offset++;
            positive = false;
        }
        try {
            for (; offset < end; offset++) {
                c = charAccessor.charAt(buffer, offset);
                if (c >= '0' && c <= '9') {
                    value = Math.addExact(Math.multiplyExact(value, 10L), '0' - c);
                } else {
                    throw getErrorReporter().errorInProtocol(String.valueOf(c));
                }
            }
            if (positive) {
                value = Math.multiplyExact(value, -1L);
            }
            return value;
        } catch (ArithmeticException e) {
            throw getErrorReporter().errorInProtocol();
        }
    }