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fix(official-bots): replace null with Option to pass scalafix DisableSyntax.null

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Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
LQ63
2026-06-09 12:52:52 +02:00
parent eba0457b15
commit 9a69335dab
1 changed files with 25 additions and 19 deletions
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modules/official-bots/src/main/scala/de/nowchess/bot/service/TournamentBotGamePlayer.scala
+25 -19
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@@ -103,7 +103,7 @@ class TournamentBotGamePlayer:
log.infof("Playing game %s as %s", gameId, color)
val stream = openGameStream(cfg, gameId)
maybeMoveFromCurrentState(cfg, gameId, color)
if stream != null then consumeGameStream(cfg, gameId, color, stream)
stream.foreach(consumeGameStream(cfg, gameId, color, _))
activeGames.remove(gameId)
} match
case Failure(ex) => log.errorf(ex, "Game %s crashed", gameId); activeGames.remove(gameId)
@@ -125,15 +125,19 @@ class TournamentBotGamePlayer:
val reader = new BufferedReader(new InputStreamReader(stream))
// scalafix:off DisableSyntax.var
var done = false
var line = reader.readLine()
// scalafix:on DisableSyntax.var
while line != null && running && !done do
parse(line).foreach: node =>
node.path("type").asText() match
case "move" => maybeMove(cfg, gameId, color, node.path("turn").asText(), "ongoing", node.path("fen").asText())
case "gameEnd" => log.infof("Game %s ended — status=%s", gameId, node.path("status").asText()); done = true
case _ => ()
line = reader.readLine()
Iterator
.continually(reader.readLine())
.map(Option(_))
.takeWhile(opt => opt.isDefined && running && !done)
.flatten
.foreach { line =>
parse(line).foreach: node =>
node.path("type").asText() match
case "move" => maybeMove(cfg, gameId, color, node.path("turn").asText(), "ongoing", node.path("fen").asText())
case "gameEnd" => log.infof("Game %s ended — status=%s", gameId, node.path("status").asText()); done = true
case _ => ()
}
private def maybeMove(
cfg: TournamentBotConfig,
@@ -172,14 +176,14 @@ class TournamentBotGamePlayer:
node
}.getOrElse(None)
private def openGameStream(cfg: TournamentBotConfig, gameId: String): InputStream =
private def openGameStream(cfg: TournamentBotConfig, gameId: String): Option[InputStream] =
Try {
val response = authed(cfg, target(cfg).path("game").path(gameId).path("stream"))
.header("Accept", "application/x-ndjson")
.get()
if response.getStatus == 200 then response.readEntity(classOf[InputStream])
else { log.warnf("Game stream %s returned status %d", gameId, response.getStatus); response.close(); null }
}.getOrElse(null)
if response.getStatus == 200 then Some(response.readEntity(classOf[InputStream]))
else { log.warnf("Game stream %s returned status %d", gameId, response.getStatus); response.close(); None }
}.getOrElse(None)
private def engine(cfg: TournamentBotConfig): Bot =
botController.getBot(cfg.difficulty).orElse(botController.getBot("medium")).get
@@ -196,12 +200,14 @@ class TournamentBotGamePlayer:
private def forEachLine(stream: InputStream)(handle: String => Unit): Unit =
val reader = new BufferedReader(new InputStreamReader(stream))
// scalafix:off DisableSyntax.var
var line: String = reader.readLine()
// scalafix:on DisableSyntax.var
while line != null && running do
Try(handle(line)).failed.foreach(ex => log.warnf(ex, "Error handling stream line"))
line = reader.readLine()
Iterator
.continually(reader.readLine())
.map(Option(_))
.takeWhile(opt => opt.isDefined && running)
.flatten
.foreach { line =>
Try(handle(line)).failed.foreach(ex => log.warnf(ex, "Error handling stream line"))
}
private def toUci(move: Move): String =
val base = s"${move.from}${move.to}"