将 org.jackhuang.hmcl.ui 从 java.io.File 迁移至 NIO (#4501)

HMCLCore/src/main/java/org/jackhuang/hmcl/util/io/FileUtils.java

@@ -26,10 +26,7 @@ import org.jackhuang.hmcl.util.platform.OperatingSystem;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
-import java.io.BufferedWriter;
-import java.io.FileNotFoundException;
-import java.io.IOException;
-import java.io.OutputStream;
+import java.io.*;
 import java.nio.file.*;
 import java.nio.file.attribute.BasicFileAttributes;
 import java.time.ZonedDateTime;
@@ -50,6 +47,28 @@ public final class FileUtils {
     private FileUtils() {
     }
 
+    public static @Nullable Path toPath(@Nullable File file) {
+        try {
+            return file != null ? file.toPath() : null;
+        } catch (InvalidPathException e) {
+            LOG.warning("Invalid path: " + file);
+            return null;
+        }
+    }
+
+    public static @Nullable List<Path> toPaths(@Nullable List<File> files) {
+        if (files == null) return null;
+        return files.stream().map(FileUtils::toPath).filter(Objects::nonNull).toList();
+    }
+
+    public static @Nullable File toFile(@Nullable Path file) {
+        try {
+            return file != null ? file.toFile() : null;
+        } catch (UnsupportedOperationException ignored) {
+            return null;
+        }
+    }
+
     public static boolean canCreateDirectory(String path) {
         try {
             return canCreateDirectory(Paths.get(path));