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com.github.jchanghong.gson.jacksons.kt Maven / Gradle / Ivy
package com.github.jchanghong.gson
import com.fasterxml.jackson.annotation.JsonFormat
import com.fasterxml.jackson.core.JsonParser
import com.fasterxml.jackson.core.JsonToken
import com.fasterxml.jackson.core.JsonTokenId
import com.fasterxml.jackson.databind.DeserializationContext
import com.fasterxml.jackson.databind.DeserializationFeature
import com.fasterxml.jackson.datatype.jsr310.deser.JSR310DateTimeDeserializerBase
import com.github.jchanghong.kotlin.*
import java.io.IOException
import java.time.*
import java.time.format.DateTimeFormatter
import java.util.*
/**
* Deserializer for Java 8 temporal [LocalDateTime]s.
*
* @author Nick Williams
* @since 2.2.0
*/
class LocalDateTimeDeserializer2 : JSR310DateTimeDeserializerBase {
private constructor() : this(DEFAULT_FORMATTER) {}
constructor(formatter: DateTimeFormatter?) : super(LocalDateTime::class.java, formatter) {}
/**
* Since 2.10
*/
protected constructor(base: LocalDateTimeDeserializer2?, leniency: Boolean?) : super(base, leniency) {}
override fun withDateFormat(formatter: DateTimeFormatter): LocalDateTimeDeserializer2 {
return LocalDateTimeDeserializer2(formatter)
}
override fun withLeniency(leniency: Boolean): LocalDateTimeDeserializer2 {
return LocalDateTimeDeserializer2(this, leniency)
}
override fun withShape(shape: JsonFormat.Shape): LocalDateTimeDeserializer2 {
return this
}
@Throws(IOException::class)
override fun deserialize(parser: JsonParser, context: DeserializationContext): LocalDateTime? {
if (parser.currentToken == JsonToken.VALUE_NULL) return null
if (parser.currentToken == JsonToken.VALUE_NUMBER_INT) return Date(parser.longValue).toLocalDateTime()
val toString = parser.valueAsString
val toLocalDateTime = toString.toLocalDateTimeOrNull()
if (toLocalDateTime != null) return toLocalDateTime
if (parser.hasTokenId(JsonTokenId.ID_STRING)) {
val string = parser.text.trim { it <= ' ' }
return if (string.isEmpty()) {
if (!isLenient) {
_failForNotLenient(parser, context, JsonToken.VALUE_STRING)!!
} else null
} else try {
if (_formatter == DEFAULT_FORMATTER) {
// JavaScript by default includes time and zone in JSON serialized Dates (UTC/ISO instant format).
if (string.length > 10 && string[10] == 'T') {
return if (string.endsWith("Z")) {
LocalDateTime.ofInstant(Instant.parse(string), ZoneOffset.UTC)
} else {
LocalDateTime.parse(string, DEFAULT_FORMATTER)
}
}
}
LocalDateTime.parse(string, _formatter)
} catch (e: DateTimeException) {
_handleDateTimeException(context, e, string)
}
}
if (parser.isExpectedStartArrayToken) {
var t = parser.nextToken()
if (t == JsonToken.END_ARRAY) {
return null
}
if ((t == JsonToken.VALUE_STRING || t == JsonToken.VALUE_EMBEDDED_OBJECT)
&& context.isEnabled(DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS)
) {
val parsed = deserialize(parser, context)
if (parser.nextToken() != JsonToken.END_ARRAY) {
handleMissingEndArrayForSingle(parser, context)
}
return parsed
}
if (t == JsonToken.VALUE_NUMBER_INT) {
val result: LocalDateTime
val year = parser.intValue
val month = parser.nextIntValue(-1)
val day = parser.nextIntValue(-1)
val hour = parser.nextIntValue(-1)
val minute = parser.nextIntValue(-1)
t = parser.nextToken()
if (t == JsonToken.END_ARRAY) {
result = LocalDateTime.of(year, month, day, hour, minute)
} else {
val second = parser.intValue
t = parser.nextToken()
if (t == JsonToken.END_ARRAY) {
result = LocalDateTime.of(year, month, day, hour, minute, second)
} else {
var partialSecond = parser.intValue
if (partialSecond < 1000 &&
!context.isEnabled(DeserializationFeature.READ_DATE_TIMESTAMPS_AS_NANOSECONDS)
) partialSecond *= 1000000 // value is milliseconds, convert it to nanoseconds
if (parser.nextToken() != JsonToken.END_ARRAY) {
throw context.wrongTokenException(
parser, handledType(), JsonToken.END_ARRAY,
"Expected array to end"
)
}
result = LocalDateTime.of(year, month, day, hour, minute, second, partialSecond)
}
}
return result
}
context.reportInputMismatch(
handledType(),
"Unexpected token (%s) within Array, expected VALUE_NUMBER_INT",
t
)
}
if (parser.hasToken(JsonToken.VALUE_EMBEDDED_OBJECT)) {
return parser.embeddedObject as LocalDateTime
}
if (parser.hasToken(JsonToken.VALUE_NUMBER_INT)) {
_throwNoNumericTimestampNeedTimeZone(parser, context)
}
return _handleUnexpectedToken(context, parser, "Expected array or string.")
}
companion object {
private const val serialVersionUID = 1L
private val DEFAULT_FORMATTER = DateTimeFormatter.ISO_LOCAL_DATE_TIME
val INSTANCE = LocalDateTimeDeserializer2()
}
}
class DateDeserializer2 : JSR310DateTimeDeserializerBase {
private constructor() : this(DEFAULT_FORMATTER) {}
constructor(formatter: DateTimeFormatter?) : super(Date::class.java, formatter) {}
/**
* Since 2.10
*/
protected constructor(base: DateDeserializer2?, leniency: Boolean?) : super(base, leniency) {}
override fun withDateFormat(formatter: DateTimeFormatter): DateDeserializer2 {
return DateDeserializer2(formatter)
}
override fun withLeniency(leniency: Boolean): DateDeserializer2 {
return DateDeserializer2(this, leniency)
}
override fun withShape(shape: JsonFormat.Shape): DateDeserializer2 {
return this
}
@Throws(IOException::class)
override fun deserialize(parser: JsonParser, context: DeserializationContext): Date? {
if (parser.currentToken == JsonToken.VALUE_NULL) return null
if (parser.currentToken == JsonToken.VALUE_NUMBER_INT) return Date(parser.longValue)
val toString = parser.valueAsString
val toLocalDateTime = toString.toDateJdk7OrNull()
if (toLocalDateTime != null) return toLocalDateTime
if (parser.hasTokenId(JsonTokenId.ID_STRING)) {
val string = parser.text.trim { it <= ' ' }
return if (string.isEmpty()) {
if (!isLenient) {
_failForNotLenient(parser, context, JsonToken.VALUE_STRING)!!
} else null
} else try {
if (_formatter == DEFAULT_FORMATTER) {
// JavaScript by default includes time and zone in JSON serialized Dates (UTC/ISO instant format).
if (string.length > 10 && string[10] == 'T') {
return if (string.endsWith("Z")) {
LocalDateTime.ofInstant(Instant.parse(string), ZoneOffset.UTC)?.toDateOrNow()
} else {
LocalDateTime.parse(string, DEFAULT_FORMATTER)?.toDateOrNow()
}
}
}
LocalDateTime.parse(string, _formatter)?.toDateOrNow()
} catch (e: DateTimeException) {
_handleDateTimeException(context, e, string)
}
}
if (parser.isExpectedStartArrayToken) {
var t = parser.nextToken()
if (t == JsonToken.END_ARRAY) {
return null
}
if ((t == JsonToken.VALUE_STRING || t == JsonToken.VALUE_EMBEDDED_OBJECT)
&& context.isEnabled(DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS)
) {
val parsed = deserialize(parser, context)
if (parser.nextToken() != JsonToken.END_ARRAY) {
handleMissingEndArrayForSingle(parser, context)
}
return parsed
}
if (t == JsonToken.VALUE_NUMBER_INT) {
val result: LocalDateTime
val year = parser.intValue
val month = parser.nextIntValue(-1)
val day = parser.nextIntValue(-1)
val hour = parser.nextIntValue(-1)
val minute = parser.nextIntValue(-1)
t = parser.nextToken()
if (t == JsonToken.END_ARRAY) {
result = LocalDateTime.of(year, month, day, hour, minute)
} else {
val second = parser.intValue
t = parser.nextToken()
if (t == JsonToken.END_ARRAY) {
result = LocalDateTime.of(year, month, day, hour, minute, second)
} else {
var partialSecond = parser.intValue
if (partialSecond < 1000 &&
!context.isEnabled(DeserializationFeature.READ_DATE_TIMESTAMPS_AS_NANOSECONDS)
) partialSecond *= 1000000 // value is milliseconds, convert it to nanoseconds
if (parser.nextToken() != JsonToken.END_ARRAY) {
throw context.wrongTokenException(
parser, handledType(), JsonToken.END_ARRAY,
"Expected array to end"
)
}
result = LocalDateTime.of(year, month, day, hour, minute, second, partialSecond)
}
}
return result?.toDateOrNow()
}
context.reportInputMismatch(
handledType(),
"Unexpected token (%s) within Array, expected VALUE_NUMBER_INT",
t
)
}
if (parser.hasToken(JsonToken.VALUE_EMBEDDED_OBJECT)) {
return (parser.embeddedObject as? LocalDateTime)?.toDateOrNow()
}
if (parser.hasToken(JsonToken.VALUE_NUMBER_INT)) {
_throwNoNumericTimestampNeedTimeZone(parser, context)
}
return _handleUnexpectedToken(context, parser, "Expected array or string.")
}
companion object {
private const val serialVersionUID = 1L
private val DEFAULT_FORMATTER = DateTimeFormatter.ISO_LOCAL_DATE_TIME
val INSTANCE = DateDeserializer2()
}
}
/**
* Deserializer for Java 8 temporal [LocalDate]s.
*
* @author Nick Williams
*/
class LocalDateDeserializer2 : JSR310DateTimeDeserializerBase {
protected constructor() : this(DEFAULT_FORMATTER) {}
constructor(dtf: DateTimeFormatter?) : super(LocalDate::class.java, dtf) {}
/**
* Since 2.10
*/
constructor(base: LocalDateDeserializer2?, dtf: DateTimeFormatter?) : super(base, dtf) {}
/**
* Since 2.10
*/
protected constructor(base: LocalDateDeserializer2?, leniency: Boolean?) : super(base, leniency) {}
/**
* Since 2.11
*/
protected constructor(base: LocalDateDeserializer2?, shape: JsonFormat.Shape?) : super(base, shape) {}
override fun withDateFormat(dtf: DateTimeFormatter): LocalDateDeserializer2 {
return LocalDateDeserializer2(this, dtf)
}
override fun withLeniency(leniency: Boolean): LocalDateDeserializer2 {
return LocalDateDeserializer2(this, leniency)
}
override fun withShape(shape: JsonFormat.Shape): LocalDateDeserializer2 {
return LocalDateDeserializer2(this, shape)
}
@Throws(IOException::class)
override fun deserialize(parser: JsonParser, context: DeserializationContext): LocalDate? {
if (parser.currentToken == JsonToken.VALUE_NULL) return null
if (parser.currentToken == JsonToken.VALUE_NUMBER_INT) return Date(parser.longValue).toLocalDateTime()
?.toLocalDate()
val toString = parser.valueAsString
val toLocalDateTime = toString.toLocalDateOrNull()
if (toLocalDateTime != null) return toLocalDateTime
if (parser.hasToken(JsonToken.VALUE_STRING)) {
val string = parser.text.trim { it <= ' ' }
if (string.length == 0) {
return if (!isLenient) {
_failForNotLenient(parser, context, JsonToken.VALUE_STRING)!!
} else null
}
// as per [datatype-jsr310#37], only check for optional (and, incorrect...) time marker 'T'
// if we are using default formatter
val format = _formatter
return try {
if (format == DEFAULT_FORMATTER) {
// JavaScript by default includes time in JSON serialized Dates (UTC/ISO instant format).
if (string.length > 10 && string[10] == 'T') {
return if (string.endsWith("Z")) {
LocalDateTime.ofInstant(Instant.parse(string), ZoneOffset.UTC).toLocalDate()
} else {
LocalDate.parse(string, DateTimeFormatter.ISO_LOCAL_DATE_TIME)
}
}
}
LocalDate.parse(string, format)
} catch (e: DateTimeException) {
_handleDateTimeException(context, e, string)
}
}
if (parser.isExpectedStartArrayToken) {
val t = parser.nextToken()
if (t == JsonToken.END_ARRAY) {
return null
}
if (context.isEnabled(DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS)
&& (t == JsonToken.VALUE_STRING || t == JsonToken.VALUE_EMBEDDED_OBJECT)
) {
val parsed = deserialize(parser, context)
if (parser.nextToken() != JsonToken.END_ARRAY) {
handleMissingEndArrayForSingle(parser, context)
}
return parsed
}
if (t == JsonToken.VALUE_NUMBER_INT) {
val year = parser.intValue
val month = parser.nextIntValue(-1)
val day = parser.nextIntValue(-1)
if (parser.nextToken() != JsonToken.END_ARRAY) {
throw context.wrongTokenException(
parser, handledType(), JsonToken.END_ARRAY,
"Expected array to end"
)
}
return LocalDate.of(year, month, day)
}
context.reportInputMismatch(
handledType(),
"Unexpected token (%s) within Array, expected VALUE_NUMBER_INT",
t
)
}
if (parser.hasToken(JsonToken.VALUE_EMBEDDED_OBJECT)) {
return parser.embeddedObject as LocalDate
}
// 06-Jan-2018, tatu: Is this actually safe? Do users expect such coercion?
return if (parser.hasToken(JsonToken.VALUE_NUMBER_INT)) {
// issue 58 - also check for NUMBER_INT, which needs to be specified when serializing.
if (_shape == JsonFormat.Shape.NUMBER_INT || isLenient) {
LocalDate.ofEpochDay(parser.longValue)
} else _failForNotLenient(parser, context, JsonToken.VALUE_STRING)!!
} else _handleUnexpectedToken(context, parser, "Expected array or string.")
}
companion object {
private const val serialVersionUID = 1L
private val DEFAULT_FORMATTER = DateTimeFormatter.ISO_LOCAL_DATE
val INSTANCE = LocalDateDeserializer2()
}
}
