Convert debug/holder module (#43747)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/43747

Convert module to Kotlin.
changelog: [internal] internal

Reviewed By: cortinico

Differential Revision: D55598977

fbshipit-source-id: d289e230bae721de6d7d209663fcdc35ec37fbac

packages/react-native/ReactAndroid/src/main/java/com/facebook/debug/holder/NoopPrinter.java

@@ -1,31 +0,0 @@
-/*
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- */
-
-package com.facebook.debug.holder;
-
-import com.facebook.debug.debugoverlay.model.DebugOverlayTag;
-import com.facebook.infer.annotation.Nullsafe;
-
-/** No-op implementation of {@link Printer}. */
-@Nullsafe(Nullsafe.Mode.LOCAL)
-public class NoopPrinter implements Printer {
-
-  public static final NoopPrinter INSTANCE = new NoopPrinter();
-
-  private NoopPrinter() {}
-
-  @Override
-  public void logMessage(DebugOverlayTag tag, String message, Object... args) {}
-
-  @Override
-  public void logMessage(DebugOverlayTag tag, String message) {}
-
-  @Override
-  public boolean shouldDisplayLogMessage(final DebugOverlayTag tag) {
-    return false;
-  }
-}

packages/react-native/ReactAndroid/src/main/java/com/facebook/debug/holder/NoopPrinter.kt

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+package com.facebook.debug.holder
+
+import com.facebook.debug.debugoverlay.model.DebugOverlayTag
+
+/** No-op implementation of [Printer]. */
+public object NoopPrinter : Printer {
+
+  public override fun logMessage(tag: DebugOverlayTag, message: String, vararg args: Any?): Unit =
+      Unit
+
+  public override fun logMessage(tag: DebugOverlayTag, message: String): Unit = Unit
+
+  public override fun shouldDisplayLogMessage(tag: DebugOverlayTag): Boolean = false
+}

packages/react-native/ReactAndroid/src/main/java/com/facebook/debug/holder/Printer.java

@@ -1,20 +0,0 @@
-/*
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- */
-
-package com.facebook.debug.holder;
-
-import com.facebook.debug.debugoverlay.model.DebugOverlayTag;
-
-/** Interface to debugging tool. */
-public interface Printer {
-
-  void logMessage(final DebugOverlayTag tag, final String message, Object... args);
-
-  void logMessage(final DebugOverlayTag tag, final String message);
-
-  boolean shouldDisplayLogMessage(final DebugOverlayTag tag);
-}

packages/react-native/ReactAndroid/src/main/java/com/facebook/debug/holder/Printer.kt

@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+package com.facebook.debug.holder
+
+import com.facebook.debug.debugoverlay.model.DebugOverlayTag
+
+/** Interface to debugging tool. */
+public interface Printer {
+
+  public fun logMessage(tag: DebugOverlayTag, message: String, vararg args: Any?)
+
+  public fun logMessage(tag: DebugOverlayTag, message: String)
+
+  public fun shouldDisplayLogMessage(tag: DebugOverlayTag): Boolean
+}

packages/react-native/ReactAndroid/src/main/java/com/facebook/debug/holder/PrinterHolder.java

@@ -1,29 +0,0 @@
-/*
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- */
-
-package com.facebook.debug.holder;
-
-import com.facebook.infer.annotation.Nullsafe;
-
-/** Holder for debugging tool instance. */
-@Nullsafe(Nullsafe.Mode.LOCAL)
-public class PrinterHolder {
-
-  private static Printer sPrinter = NoopPrinter.INSTANCE;
-
-  public static void setPrinter(Printer printer) {
-    if (printer == null) {
-      sPrinter = NoopPrinter.INSTANCE;
-    } else {
-      sPrinter = printer;
-    }
-  }
-
-  public static Printer getPrinter() {
-    return sPrinter;
-  }
-}

packages/react-native/ReactAndroid/src/main/java/com/facebook/debug/holder/PrinterHolder.kt

@@ -0,0 +1,13 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+package com.facebook.debug.holder
+
+/** Holder for debugging tool instance. */
+public object PrinterHolder {
+  @JvmStatic public var printer: Printer = NoopPrinter
+}