From 70f9ac229c91fc281fd685a69b0f46cf79ff9e2c Mon Sep 17 00:00:00 2001
From: Sebastian Stenzel <sebastian.stenzel@gmail.com>
Date: Wed, 6 Sep 2023 13:34:58 +0200
Subject: [PATCH] replace `WindowsUtil` with `OS` enum

---
 .../org/cryptomator/frontend/fuse/OS.java     | 32 +++++++++++++++++++
 .../frontend/fuse/ReadWriteAdapter.java       |  2 +-
 .../frontend/fuse/WindowsUtil.java            | 10 ------
 3 files changed, 33 insertions(+), 11 deletions(-)
 create mode 100644 src/main/java/org/cryptomator/frontend/fuse/OS.java
 delete mode 100644 src/main/java/org/cryptomator/frontend/fuse/WindowsUtil.java

diff --git a/src/main/java/org/cryptomator/frontend/fuse/OS.java b/src/main/java/org/cryptomator/frontend/fuse/OS.java
new file mode 100644
index 0000000..a39f884
--- /dev/null
+++ b/src/main/java/org/cryptomator/frontend/fuse/OS.java
@@ -0,0 +1,32 @@
+package org.cryptomator.frontend.fuse;
+
+enum OS {
+	LINUX,
+	MAC,
+	WINDOWS,
+	UNKNOWN;
+
+	private static String osName() {
+		class Holder {
+			private static final String OS_NAME = System.getProperty("os.name", "").toLowerCase();
+		}
+		return Holder.OS_NAME;
+	}
+
+	public static OS current() {
+		var name = osName();
+		if (name.contains("linux")) {
+			return LINUX;
+		} else if (name.contains("mac")) {
+			return MAC;
+		} else if (name.contains("windows")) {
+			return WINDOWS;
+		} else {
+			return UNKNOWN;
+		}
+	}
+
+	public boolean isCurrent() {
+		return equals(OS.current());
+	}
+}
\ No newline at end of file
diff --git a/src/main/java/org/cryptomator/frontend/fuse/ReadWriteAdapter.java b/src/main/java/org/cryptomator/frontend/fuse/ReadWriteAdapter.java
index 810c312..b8f069f 100644
--- a/src/main/java/org/cryptomator/frontend/fuse/ReadWriteAdapter.java
+++ b/src/main/java/org/cryptomator/frontend/fuse/ReadWriteAdapter.java
@@ -160,7 +160,7 @@ public int chmod(String path, int mode, FileInfo fi) {
 			LOG.warn("chmod {} failed, file not found.", path);
 			return -errno.enoent();
 		} catch (UnsupportedOperationException e) {
-			if (!WindowsUtil.IS_RUNNING_OS) { //prevent spamming warnings
+			if (OS.WINDOWS.isCurrent()) { //prevent spamming warnings
 				LOG.warn("Setting posix permissions not supported by underlying file system.");
 			}
 			return -errno.enosys();
diff --git a/src/main/java/org/cryptomator/frontend/fuse/WindowsUtil.java b/src/main/java/org/cryptomator/frontend/fuse/WindowsUtil.java
deleted file mode 100644
index d5705a1..0000000
--- a/src/main/java/org/cryptomator/frontend/fuse/WindowsUtil.java
+++ /dev/null
@@ -1,10 +0,0 @@
-package org.cryptomator.frontend.fuse;
-
-public class WindowsUtil {
-
-	public static final boolean IS_RUNNING_OS = System.getProperty("os.name").toLowerCase().contains("windows");
-
-	private WindowsUtil() {}
-
-
-}