public T deserialize()

in sdk/core/azure-core-jackson/src/main/java/com/azure/android/core/serde/jackson/implementation/threeten/InstantDeserializer.java [165:225]
48 lines of code
16 McCabe index (conditional complexity)

    public T deserialize(JsonParser parser, DeserializationContext context) throws IOException {
        //NOTE: Timestamps contain no timezone info, and are always in configured TZ. Only
        //string values have to be adjusted to the configured TZ.
        switch (parser.getCurrentTokenId()) {
            case JsonTokenId.ID_NUMBER_FLOAT:
                return _fromDecimal(context, parser.getDecimalValue());

            case JsonTokenId.ID_NUMBER_INT:
                return _fromLong(context, parser.getLongValue());

            case JsonTokenId.ID_STRING: {
                String string = parser.getText().trim();
                if (string.length() == 0) {
                    return null;
                }
                // only check for other parsing modes if we are using default formatter
                if (_formatter == DateTimeFormatter.ISO_INSTANT ||
                    _formatter == DateTimeFormatter.ISO_OFFSET_DATE_TIME ||
                    _formatter == DateTimeFormatter.ISO_ZONED_DATE_TIME) {
                    // 22-Jan-2016, [datatype-jsr310#16]: Allow quoted numbers too
                    int dots = _countPeriods(string);
                    if (dots >= 0) { // negative if not simple number
                        try {
                            if (dots == 0) {
                                return _fromLong(context, Long.parseLong(string));
                            }
                            if (dots == 1) {
                                return _fromDecimal(context, new BigDecimal(string));
                            }
                        } catch (NumberFormatException e) {
                            // fall through to default handling, to get error there
                        }
                    }

                    string = replaceZeroOffsetAsZIfNecessary(string);
                }

                T value;
                try {
                    TemporalAccessor acc = _formatter.parse(string);
                    value = parsedToValue.apply(acc);
                    if (shouldAdjustToContextTimezone(context)) {
                        return adjust.apply(value, this.getZone(context));
                    }
                } catch (DateTimeException e) {
                    value = _handleDateTimeException(context, e, string);
                }
                return value;
            }

            case JsonTokenId.ID_EMBEDDED_OBJECT:
                // 20-Apr-2016, tatu: Related to [databind#1208], can try supporting embedded
                //    values quite easily
                return (T) parser.getEmbeddedObject();

            case JsonTokenId.ID_START_ARRAY:
                return _deserializeFromArray(parser, context);
        }
        return _handleUnexpectedToken(context, parser, JsonToken.VALUE_STRING,
            JsonToken.VALUE_NUMBER_INT, JsonToken.VALUE_NUMBER_FLOAT);
    }