package com.alibaba.fastjson.parser.deserializer;
import java.io.IOException;
import java.lang.reflect.Type;
import java.time.Duration;
import java.time.Instant;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.OffsetDateTime;
import java.time.OffsetTime;
import java.time.Period;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.time.temporal.TemporalAccessor;
import java.util.Locale;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.parser.DefaultJSONParser;
import com.alibaba.fastjson.parser.JSONLexer;
import com.alibaba.fastjson.parser.JSONToken;
import com.alibaba.fastjson.serializer.*;
public class Jdk8DateCodec extends ContextObjectDeserializer implements ObjectSerializer, ContextObjectSerializer, ObjectDeserializer {
public static final Jdk8DateCodec instance = new Jdk8DateCodec();
private final static String defaultPatttern = "yyyy-MM-dd HH:mm:ss";
private final static DateTimeFormatter defaultFormatter = DateTimeFormatter.ofPattern(defaultPatttern);
private final static DateTimeFormatter formatter_dt19_tw = DateTimeFormatter.ofPattern("yyyy/MM/dd HH:mm:ss");
private final static DateTimeFormatter formatter_dt19_cn = DateTimeFormatter.ofPattern("yyyy年M月d日 HH:mm:ss");
private final static DateTimeFormatter formatter_dt19_cn_1 = DateTimeFormatter.ofPattern("yyyy年M月d日 H时m分s秒");
private final static DateTimeFormatter formatter_dt19_kr = DateTimeFormatter.ofPattern("yyyy년M월d일 HH:mm:ss");
private final static DateTimeFormatter formatter_dt19_us = DateTimeFormatter.ofPattern("MM/dd/yyyy HH:mm:ss");
private final static DateTimeFormatter formatter_dt19_eur = DateTimeFormatter.ofPattern("dd/MM/yyyy HH:mm:ss");
private final static DateTimeFormatter formatter_dt19_de = DateTimeFormatter.ofPattern("dd.MM.yyyy HH:mm:ss");
private final static DateTimeFormatter formatter_dt19_in = DateTimeFormatter.ofPattern("dd-MM-yyyy HH:mm:ss");
private final static DateTimeFormatter formatter_d8 = DateTimeFormatter.ofPattern("yyyyMMdd");
private final static DateTimeFormatter formatter_d10_tw = DateTimeFormatter.ofPattern("yyyy/MM/dd");
private final static DateTimeFormatter formatter_d10_cn = DateTimeFormatter.ofPattern("yyyy年M月d日");
private final static DateTimeFormatter formatter_d10_kr = DateTimeFormatter.ofPattern("yyyy년M월d일");
private final static DateTimeFormatter formatter_d10_us = DateTimeFormatter.ofPattern("MM/dd/yyyy");
private final static DateTimeFormatter formatter_d10_eur = DateTimeFormatter.ofPattern("dd/MM/yyyy");
private final static DateTimeFormatter formatter_d10_de = DateTimeFormatter.ofPattern("dd.MM.yyyy");
private final static DateTimeFormatter formatter_d10_in = DateTimeFormatter.ofPattern("dd-MM-yyyy");
private final static DateTimeFormatter ISO_FIXED_FORMAT =
DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss").withZone(ZoneId.systemDefault());
private final static String formatter_iso8601_pattern = "yyyy-MM-dd'T'HH:mm:ss";
private final static DateTimeFormatter formatter_iso8601 = DateTimeFormatter.ofPattern(formatter_iso8601_pattern);
@SuppressWarnings("unchecked")
public <T> T deserialze(DefaultJSONParser parser, Type type, Object fieldName, String format, int feature) {
JSONLexer lexer = parser.lexer;
if (lexer.token() == JSONToken.NULL){
lexer.nextToken();
return null;
}
if (lexer.token() == JSONToken.LITERAL_STRING) {
String text = lexer.stringVal();
lexer.nextToken();
DateTimeFormatter formatter = null;
if (format != null) {
if (defaultPatttern.equals(format)) {
formatter = defaultFormatter;
} else {
formatter = DateTimeFormatter.ofPattern(format);
}
}
if ("".equals(text)) {
return null;
}
if (type == LocalDateTime.class) {
LocalDateTime localDateTime;
if (text.length() == 10 || text.length() == 8) {
LocalDate localDate = parseLocalDate(text, format, formatter);
localDateTime = LocalDateTime.of(localDate, LocalTime.MIN);
} else {
localDateTime = parseDateTime(text, formatter);
}
return (T) localDateTime;
} else if (type == LocalDate.class) {
LocalDate localDate;
if (text.length() == 23) {
LocalDateTime localDateTime = LocalDateTime.parse(text);
localDate = LocalDate.of(localDateTime.getYear(), localDateTime.getMonthValue(),
localDateTime.getDayOfMonth());
} else {
localDate = parseLocalDate(text, format, formatter);
}
return (T) localDate;
} else if (type == LocalTime.class) {
LocalTime localDate;
if (text.length() == 23) {
LocalDateTime localDateTime = LocalDateTime.parse(text);
localDate = LocalTime.of(localDateTime.getHour(), localDateTime.getMinute(),
localDateTime.getSecond(), localDateTime.getNano());
} else {
localDate = LocalTime.parse(text);
}
return (T) localDate;
} else if (type == ZonedDateTime.class) {
if (formatter == defaultFormatter) {
formatter = ISO_FIXED_FORMAT;
}
ZonedDateTime zonedDateTime = parseZonedDateTime(text, formatter);
return (T) zonedDateTime;
} else if (type == OffsetDateTime.class) {
OffsetDateTime offsetDateTime = OffsetDateTime.parse(text);
return (T) offsetDateTime;
} else if (type == OffsetTime.class) {
OffsetTime offsetTime = OffsetTime.parse(text);
return (T) offsetTime;
} else if (type == ZoneId.class) {
ZoneId offsetTime = ZoneId.of(text);
return (T) offsetTime;
} else if (type == Period.class) {
Period period = Period.parse(text);
return (T) period;
} else if (type == Duration.class) {
Duration duration = Duration.parse(text);
return (T) duration;
} else if (type == Instant.class) {
Instant instant = Instant.parse(text);
return (T) instant;
}
} else {
throw new UnsupportedOperationException();
}
return null;
}
protected LocalDateTime parseDateTime(String text, DateTimeFormatter formatter) {
if (formatter == null) {
if (text.length() == 19) {
char c4 = text.charAt(4);
char c7 = text.charAt(7);
char c10 = text.charAt(10);
char c13 = text.charAt(13);
char c16 = text.charAt(16);
if (c13 == ':' && c16 == ':') {
if (c4 == '-' && c7 == '-') {
if (c10 == 'T') {
formatter = DateTimeFormatter.ISO_LOCAL_DATE_TIME;
} else if (c10 == ' ') {
formatter = defaultFormatter;
}
} else if (c4 == '-' && c7 == '-') {
formatter = defaultFormatter;
} else if (c4 == '/' && c7 == '/') { // tw yyyy/mm/dd
formatter = formatter_dt19_tw;
} else {
char c0 = text.charAt(0);
char c1 = text.charAt(1);
char c2 = text.charAt(2);
char c3 = text.charAt(3);
char c5 = text.charAt(5);
if (c2 == '/' && c5 == '/') { // mm/dd/yyyy or mm/dd/yyyy
int v0 = (c0 - '0') * 10 + (c1 - '0');
int v1 = (c3 - '0') * 10 + (c4 - '0');
if (v0 > 12) {
formatter = formatter_dt19_eur;
} else if (v1 > 12) {
formatter = formatter_dt19_us;
} else {
String country = Locale.getDefault().getCountry();
if (country.equals("US")) {
formatter = formatter_dt19_us;
} else if (country.equals("BR") //
|| country.equals("AU")) {
formatter = formatter_dt19_eur;
}
}
} else if (c2 == '.' && c5 == '.') { // dd.mm.yyyy
formatter = formatter_dt19_de;
} else if (c2 == '-' && c5 == '-') { // dd-mm-yyyy
formatter = formatter_dt19_in;
}
}
}
}
if (text.length() >= 17) {
char c4 = text.charAt(4);
if (c4 == '年') {
if (text.charAt(text.length() - 1) == '秒') {
formatter = formatter_dt19_cn_1;
} else {
formatter = formatter_dt19_cn;
}
} else if (c4 == '년') {
formatter = formatter_dt19_kr;
}
}
}
return formatter == null ? //
LocalDateTime.parse(text) //
: LocalDateTime.parse(text, formatter);
}
protected LocalDate parseLocalDate(String text, String format, DateTimeFormatter formatter) {
if (formatter == null) {
if (text.length() == 8) {
formatter = formatter_d8;
}
if (text.length() == 10) {
char c4 = text.charAt(4);
char c7 = text.charAt(7);
if (c4 == '/' && c7 == '/') { // tw yyyy/mm/dd
formatter = formatter_d10_tw;
}
char c0 = text.charAt(0);
char c1 = text.charAt(1);
char c2 = text.charAt(2);
char c3 = text.charAt(3);
char c5 = text.charAt(5);
if (c2 == '/' && c5 == '/') { // mm/dd/yyyy or mm/dd/yyyy
int v0 = (c0 - '0') * 10 + (c1 - '0');
int v1 = (c3 - '0') * 10 + (c4 - '0');
if (v0 > 12) {
formatter = formatter_d10_eur;
} else if (v1 > 12) {
formatter = formatter_d10_us;
} else {
String country = Locale.getDefault().getCountry();
if (country.equals("US")) {
formatter = formatter_d10_us;
} else if (country.equals("BR") //
|| country.equals("AU")) {
formatter = formatter_d10_eur;
}
}
} else if (c2 == '.' && c5 == '.') { // dd.mm.yyyy
formatter = formatter_d10_de;
} else if (c2 == '-' && c5 == '-') { // dd-mm-yyyy
formatter = formatter_d10_in;
}
}
if (text.length() >= 9) {
char c4 = text.charAt(4);
if (c4 == '年') {
formatter = formatter_d10_cn;
} else if (c4 == '년') {
formatter = formatter_d10_kr;
}
}
}
return formatter == null ? //
LocalDate.parse(text) //
: LocalDate.parse(text, formatter);
}
protected ZonedDateTime parseZonedDateTime(String text, DateTimeFormatter formatter) {
if (formatter == null) {
if (text.length() == 19) {
char c4 = text.charAt(4);
char c7 = text.charAt(7);
char c10 = text.charAt(10);
char c13 = text.charAt(13);
char c16 = text.charAt(16);
if (c13 == ':' && c16 == ':') {
if (c4 == '-' && c7 == '-') {
if (c10 == 'T') {
formatter = DateTimeFormatter.ISO_LOCAL_DATE_TIME;
} else if (c10 == ' ') {
formatter = defaultFormatter;
}
} else if (c4 == '-' && c7 == '-') {
formatter = defaultFormatter;
} else if (c4 == '/' && c7 == '/') { // tw yyyy/mm/dd
formatter = formatter_dt19_tw;
} else {
char c0 = text.charAt(0);
char c1 = text.charAt(1);
char c2 = text.charAt(2);
char c3 = text.charAt(3);
char c5 = text.charAt(5);
if (c2 == '/' && c5 == '/') { // mm/dd/yyyy or mm/dd/yyyy
int v0 = (c0 - '0') * 10 + (c1 - '0');
int v1 = (c3 - '0') * 10 + (c4 - '0');
if (v0 > 12) {
formatter = formatter_dt19_eur;
} else if (v1 > 12) {
formatter = formatter_dt19_us;
} else {
String country = Locale.getDefault().getCountry();
if (country.equals("US")) {
formatter = formatter_dt19_us;
} else if (country.equals("BR") //
|| country.equals("AU")) {
formatter = formatter_dt19_eur;
}
}
} else if (c2 == '.' && c5 == '.') { // dd.mm.yyyy
formatter = formatter_dt19_de;
} else if (c2 == '-' && c5 == '-') { // dd-mm-yyyy
formatter = formatter_dt19_in;
}
}
}
}
if (text.length() >= 17) {
char c4 = text.charAt(4);
if (c4 == '年') {
if (text.charAt(text.length() - 1) == '秒') {
formatter = formatter_dt19_cn_1;
} else {
formatter = formatter_dt19_cn;
}
} else if (c4 == '년') {
formatter = formatter_dt19_kr;
}
}
}
return formatter == null ? //
ZonedDateTime.parse(text) //
: ZonedDateTime.parse(text, formatter);
}
public int getFastMatchToken() {
return JSONToken.LITERAL_STRING;
}
public void write(JSONSerializer serializer, Object object, Object fieldName, Type fieldType,
int features) throws IOException {
SerializeWriter out = serializer.out;
if (object == null) {
out.writeNull();
} else {
if (fieldType == null) {
fieldType = object.getClass();
}
if (fieldType == LocalDateTime.class) {
final int mask = SerializerFeature.UseISO8601DateFormat.getMask();
LocalDateTime dateTime = (LocalDateTime) object;
String format = serializer.getDateFormatPattern();
if (format == null && (features & mask) != 0 || serializer.isEnabled(SerializerFeature.UseISO8601DateFormat)) {
format = formatter_iso8601_pattern;
}
if (dateTime.getNano() == 0 || format != null) {
if (format == null) {
format = JSON.DEFFAULT_DATE_FORMAT;
}
write(out, dateTime, format);
} else {
out.writeString(object.toString());
}
} else {
out.writeString(object.toString());
}
}
}
public void write(JSONSerializer serializer, Object object, BeanContext context) throws IOException {
SerializeWriter out = serializer.out;
String format = context.getFormat();
write(out, (TemporalAccessor) object, format);
}
private void write(SerializeWriter out, TemporalAccessor object, String format) {
DateTimeFormatter formatter;
if (format == formatter_iso8601_pattern) {
formatter = formatter_iso8601;
} else {
formatter = DateTimeFormatter.ofPattern(format);
}
String text = formatter.format((TemporalAccessor) object);
out.writeString(text);
}
}