Coverage Summary for Class: JvmDateTimeTransformer (com.kotlinorm.beans.transformers)

 /**
  * Copyright 2022-2025 kronos-orm
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 
 package com.kotlinorm.beans.transformers
 
 import com.kotlinorm.Kronos.defaultDateFormat
 import com.kotlinorm.Kronos.timeZone
 import com.kotlinorm.interfaces.ValueTransformer
 import java.time.Instant
 import java.time.LocalDateTime
 import java.time.format.DateTimeFormatter
 import java.time.format.DateTimeParseException
 import java.util.*
 import kotlin.reflect.KClass
 
 /**
  * Transformer for DateTime type.
  *
  * @author OUSC
  */
 object JvmDateTimeTransformer : ValueTransformer {
     private val dateTimeTypes = listOf(
         "java.sql.Date",
         "java.sql.Timestamp",
         "java.util.Date",
         "java.time.LocalDateTime",
         "java.time.LocalDate",
         "java.time.LocalTime",
         "java.time.Instant",
         "java.time.ZonedDateTime",
         "java.time.OffsetDateTime",
     )
 
     override fun isMatch(targetKotlinType: String, superTypesOfValue: List<String>, kClassOfValue: KClass<*>): Boolean {
         return kClassOfValue.qualifiedName in dateTimeTypes ||
                 superTypesOfValue.intersect(dateTimeTypes).isNotEmpty() ||
                 targetKotlinType in dateTimeTypes
     }
 
     override fun transform(
         targetKotlinType: String,
         value: Any,
         superTypesOfValue: List<String>,
         dateTimeFormat: String?,
         kClassOfValue: KClass<*>
     ): Any {
         val pattern = dateTimeFormat ?: defaultDateFormat
         val localDateTime = if (value is Number) {
             if (targetKotlinType == "java.time.Instant") {
                 Instant.ofEpochMilli(value.toLong())
             }
             LocalDateTime.ofInstant(Instant.ofEpochMilli(value.toLong()), timeZone)
         } else if (value is Instant) {
             LocalDateTime.ofInstant(value, timeZone)
         } else if (value is java.sql.Date) {
             LocalDateTime.ofInstant(value.toInstant(), timeZone)
         } else if (value is java.sql.Timestamp) {
             LocalDateTime.ofInstant(value.toInstant(), timeZone)
         } else {
             try {
                 LocalDateTime.parse(value.toString(), DateTimeFormatter.ofPattern(pattern))
             } catch (_: DateTimeParseException) {
                 LocalDateTime.parse(value.toString())
             } catch (e: Exception) {
                 throw e
             }
         }
         return when (targetKotlinType) {
             "java.time.LocalDateTime" -> localDateTime
             "kotlin.String" -> DateTimeFormatter.ofPattern(pattern).format(localDateTime)
             "kotlin.Long" -> localDateTime.atZone(timeZone).toInstant().toEpochMilli()
             "java.time.LocalDate" -> localDateTime.toLocalDate()
             "java.time.LocalTime" -> localDateTime.toLocalTime()
             "java.time.Instant" -> localDateTime.atZone(timeZone).toInstant()
             "java.time.ZonedDateTime" -> localDateTime.atZone(timeZone)
             "java.time.OffsetDateTime" -> localDateTime.atZone(timeZone).toOffsetDateTime()
             "java.util.Date" -> Date.from(localDateTime.atZone(timeZone).toInstant())
             "java.sql.Date" -> java.sql.Date.valueOf(localDateTime.toLocalDate())
             "java.sql.Timestamp" -> java.sql.Timestamp.valueOf(localDateTime)
             else -> null
         } ?: throw IllegalArgumentException("Unsupported target type: $targetKotlinType")
     }
 }