private String toJdbcString()

in src/main/java/com/aliyun/dts/subscribe/clients/record/value/DateTime.java [295:419]
113 lines of code
36 McCabe index (conditional complexity)

    private String toJdbcString(int segments, boolean trimTrailingZero) {
        StringBuffer datatimeBuf = new StringBuffer(32);
        if (isSet(segments, SEG_YEAR)) {
            int yearV = this.year > 0 ? this.year : -this.year;
            String yearZeros = "0000";
            String yearString = Integer.toString(yearV);
            if (yearV < 1000) {
                yearString = yearZeros.substring(0, (4 - yearString.length())) + yearString;
            }
            datatimeBuf.append(yearString);
        }

        if (isSet(segments, SEG_MONTH)) {
            datatimeBuf.append("-");
            int monthV = this.month > 0 ? this.month : -this.month;
            if (monthV < 10) {
                datatimeBuf.append("0").append(monthV);
            } else {
                datatimeBuf.append(monthV);
            }
        }

        if (isSet(segments, SEG_DAY)) {
            if (datatimeBuf.length() > 0) {
                datatimeBuf.append("-");
            }
            int dayV = this.day > 0 ? this.day : -this.day;
            if (dayV < 10) {
                datatimeBuf.append("0").append(dayV);
            } else {
                datatimeBuf.append(dayV);
            }
        }

        if (isSet(segments, SEG_HOUR)) {
            if (datatimeBuf.length() > 0) {
                datatimeBuf.append(" ");
            }
            int hourV = this.hour > 0 ? this.hour : -this.hour;
            if (hourV < 10) {
                datatimeBuf.append("0").append(hourV);
            } else {
                datatimeBuf.append(hourV);
            }
        }

        if (isSet(segments, SEG_MINITE)) {
            datatimeBuf.append(":");
            int minuteV = this.minute > 0 ? this.minute : -this.minute;
            if (minuteV < 10) {
                datatimeBuf.append("0").append(minuteV);
            } else {
                datatimeBuf.append(minuteV);
            }
        }

        if (isSet(segments, SEG_SECOND)) {
            datatimeBuf.append(":");
            int secondV = this.second > 0 ? this.second : -this.second;
            if (secondV < 10) {
                datatimeBuf.append("0").append(secondV);
            } else {
                datatimeBuf.append(secondV);
            }
        }

        if (isSet(segments, SEG_NAONS)) {
            int naonsV = this.naons > 0 ? this.naons : -this.naons;
            int trailZeroCount = 0;
            int remainingNumberCount = 0;

            if (0 == naonsV) {
                trailZeroCount = 8;
                remainingNumberCount = 1;
            } else {
                while (0 == (naonsV % 10)) {
                    trailZeroCount++;
                    naonsV /= 10;
                }
                int tmp = naonsV;
                while (tmp > 0) {
                    remainingNumberCount++;
                    tmp /= 10;
                }
            }

            if (!trimTrailingZero) {
                datatimeBuf.append(".");
                int prefixPadZeroNumber = 9 - trailZeroCount - remainingNumberCount;
                while (prefixPadZeroNumber > 0) {
                    datatimeBuf.append("0");
                    prefixPadZeroNumber--;
                }
                datatimeBuf.append(naonsV);

                while (trailZeroCount > 0) {
                    datatimeBuf.append('0');
                    trailZeroCount--;
                }
            } else {
                if (0 != naonsV) {
                    datatimeBuf.append(".");
                    int prefixPadZeroNumber = 9 - trailZeroCount - remainingNumberCount;
                    while (prefixPadZeroNumber > 0) {
                        datatimeBuf.append("0");
                        prefixPadZeroNumber--;
                    }
                    datatimeBuf.append(naonsV);
                }
            }
        }

        if (isSet(segments, SEG_TIMEZONE) && timeOffset != null) {
            datatimeBuf.append(" ").append(timeOffset);
        }

        if (isSet(segments, SEG_COMMON_ERA) && null != commonEra) {
            datatimeBuf.append(" ").append(commonEra);
        }

        if (isSet(segments, SEG_NEGATIVE)) {
            return "-" + datatimeBuf.toString();
        }
        return datatimeBuf.toString();
    }