2021 - 05 - 08, Kotlin

Jackson 라이브러리 적용 예제

import com.fasterxml.jackson.module.kotlin.readValue
import java.io.File


class MemberRepository {

var lastMemberIndex = 0
var members = mutableListOf<Member>()
val memberData = mapper.readValue<MutableList<Member>>(File("./MembersData.json"))


fun addMember(memId: String, memPW: String): Int {

members = memberData


if (members.lastIndex == 0){
lastMemberIndex = 0
} else {
val lastIndex = members.lastIndex
val lastMember = members[lastIndex]
lastMemberIndex = lastMember.id
}

val memIndex = ++lastMemberIndex

members.add(Member(memIndex,memId,memPW))

mapper.writerWithDefaultPrettyPrinter().writeValue(File("./MembersData.json"),members)

return memIndex
}

@JvmName("getMembers1")
fun getMembers(): MutableList<Member> {
return members
}




}