Universal availability check for an interactive console with JDK >= 2…

…2 support

main/client/src/mill/main/client/ServerLauncher.java

@@ -118,7 +118,7 @@ public Result acquireLocksAndRun(String outDir) throws Exception {
   int run(Path serverDir, boolean setJnaNoSys, Locks locks) throws Exception {
 
     try (OutputStream f = Files.newOutputStream(serverDir.resolve(ServerFiles.runArgs))) {
-      f.write(System.console() != null ? 1 : 0);
+      f.write(Util.hasConsole() ? 1 : 0);
       Util.writeString(f, BuildInfo.millVersion);
       Util.writeArgs(args, f);
       Util.writeMap(env, f);

main/client/src/mill/main/client/Util.java

@@ -5,6 +5,8 @@
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
 import java.math.BigInteger;
 import java.nio.charset.Charset;
 import java.nio.charset.StandardCharsets;
@@ -38,6 +40,32 @@ public static final int ExitServerCodeWhenVersionMismatch() {
       !System.getProperty("java.specification.version").startsWith("1.");
   private static Charset utf8 = Charset.forName("UTF-8");
 
+  /**
+   * Determines if we have an interactive console attached to the application.
+   * <p>
+   * Before JDK 22 we could use <code>System.console() != null</code> to do that check.
+   * However, with JDK >= 22 it no longer works because <code>System.console()</code>
+   * always returns a console instance even for redirected streams. Instead,
+   * JDK >= 22 introduced the method <a href="https://docs.oracle.com/en/java/javase/22/docs/api/java.base/java/io/Console.html#isTerminal()">`Console.isTerminal`</a>.
+   * See: JLine As The Default Console Provider (JDK-8308591)
+   * <p>
+   * This method takes into account these differences and is compatible with
+   * both JDK versions < 22 and later.
+   */
+  public static boolean hasConsole() {
+    Console console = System.console();
+
+    if (console != null) {
+      try {
+        Method method = console.getClass().getMethod("isTerminal");
+        return (Boolean) method.invoke(console);
+      } catch (InvocationTargetException | NoSuchMethodException | IllegalAccessException ignored) {
+        return true;
+      }
+    } else
+      return false;
+  }
+
   public static String[] parseArgs(InputStream argStream) throws IOException {
     int argsLength = readInt(argStream);
     String[] args = new String[argsLength];

main/util/src/mill/util/Util.scala

@@ -8,7 +8,7 @@ import mill.api.{BuildInfo, Ctx, IO, PathRef, Result}
 
 object Util {
 
-  def isInteractive(): Boolean = System.console() != null
+  def isInteractive(): Boolean = mill.main.client.Util.hasConsole()
 
   val newLine: String = System.lineSeparator()
 

runner/client/src/mill/runner/client/MillProcessLauncher.java

@@ -218,7 +218,7 @@ static void writeTerminalDims(boolean tputExists, Path serverDir) throws Excepti
     String str;
 
     try {
-      if (java.lang.System.console() == null) str = "0 0";
+      if (!Util.hasConsole()) str = "0 0";
       else {
         if (!tputExists) {
           // Hardcoded size of a quarter screen terminal on 13" windows laptop

runner/src/mill/runner/MillMain.scala

@@ -10,7 +10,7 @@ import mill.java9rtexport.Export
 import mill.api.{MillException, SystemStreams, WorkspaceRoot, internal}
 import mill.bsp.{BspContext, BspServerResult}
 import mill.main.BuildInfo
-import mill.main.client.{OutFiles, ServerFiles}
+import mill.main.client.{OutFiles, ServerFiles, Util}
 import mill.main.client.lock.Lock
 import mill.util.{Colors, PrintLogger, PromptLogger}
 
@@ -68,7 +68,7 @@ object MillMain {
         (initialSystemStreams, Seq(), None)
       }
 
-    if (Properties.isWin && System.console() != null)
+    if (Properties.isWin && Util.hasConsole())
       io.github.alexarchambault.windowsansi.WindowsAnsi.setup()
 
     val (result, _) =