atrade/src/main/kotlin/network/DartCodeManager.kt

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Kotlin
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2026-01-22 16:21:18 +09:00
package network
import io.ktor.client.*
import io.ktor.client.request.*
import io.ktor.client.statement.*
import java.io.ByteArrayInputStream
import java.util.zip.ZipInputStream
import javax.xml.parsers.DocumentBuilderFactory
object DartCodeManager {
private val corpCodeMap = mutableMapOf<String, String>()
private const val DART_API_KEY = "61143d2af0759f6c28ce372d9e339d1e01687abc" // 지범님의 API 키 입력
/**
* 실행 호출하여 매핑 테이블 업데이트
*/
suspend fun updateCorpCodes(client: HttpClient) {
println("📂 [DART] 법인코드 매핑 데이터 업데이트 시작...")
try {
val url = "https://opendart.fss.or.kr/api/corpCode.xml?crtfc_key=$DART_API_KEY"
val response: HttpResponse = client.get(url)
val zipBytes = response.readBytes()
ZipInputStream(ByteArrayInputStream(zipBytes)).use { zis ->
var entry = zis.nextEntry
while (entry != null) {
if (entry.name == "CORPCODE.xml") {
parseXml(zis.readAllBytes())
break
}
entry = zis.nextEntry
}
}
println("✅ [DART] 매핑 완료: ${corpCodeMap.size}개의 상장사 로드됨")
} catch (e: Exception) {
println("❌ [DART] 법인코드 업데이트 실패: ${e.message}")
}
}
private fun parseXml(xmlBytes: ByteArray) {
val factory = DocumentBuilderFactory.newInstance()
val builder = factory.newDocumentBuilder()
val doc = builder.parse(ByteArrayInputStream(xmlBytes))
val nodeList = doc.getElementsByTagName("list")
for (i in 0 until nodeList.length) {
val element = nodeList.item(i) as org.w3c.dom.Element
val stockCode = element.getElementsByTagName("stock_code").item(0)?.textContent?.trim() ?: ""
val corpCode = element.getElementsByTagName("corp_code").item(0)?.textContent ?: ""
// 종목코드(stock_code)가 있는 상장사만 매핑에 추가
if (stockCode.isNotEmpty()) {
corpCodeMap[stockCode] = corpCode
}
}
}
/**
* 6자리 종목코드로 8자리 법인코드 반환
*/
fun getCorpCode(stockCode: String): String? {
return corpCodeMap[stockCode]
}
}