fix Path overloads

Author: AndreiKingsley

dataframe-arrow/src/main/kotlin/org/jetbrains/kotlinx/dataframe/io/ArrowWriter.kt

@@ -100,12 +100,7 @@ public interface ArrowWriter : AutoCloseable {
 
     /** Path overload for Arrow IPC writing. */
     public fun writeArrowIPC(path: Path, append: Boolean = true) {
-        // For append=true use FileOutputStream on File to preserve semantics; otherwise use Files.newOutputStream
-        if (append) {
-            writeArrowIPC(FileOutputStream(path.toFile(), /* append = */ true))
-        } else {
-            Files.newOutputStream(path).use { os -> writeArrowIPC(os) }
-        }
+        writeArrowIPC(path.toFile(), append)
     }
 
     /**
@@ -147,7 +142,7 @@ public interface ArrowWriter : AutoCloseable {
 
     /** Path overload for Arrow Feather writing. */
     public fun writeArrowFeather(path: Path) {
-        Files.newOutputStream(path).use { os -> writeArrowFeather(os) }
+        writeArrowFeather(path.toFile())
     }
 
     /**

dataframe-arrow/src/main/kotlin/org/jetbrains/kotlinx/dataframe/io/arrowReading.kt

@@ -75,7 +75,7 @@ public fun DataFrame.Companion.readArrowFeather(
 public fun DataFrame.Companion.readArrowIPC(
     file: File,
     nullability: NullabilityOptions = NullabilityOptions.Infer,
-): AnyFrame = Files.newByteChannel(file.toPath()).use { readArrowIPC(it, nullability = nullability) }
+): AnyFrame = readArrowIPC(file.toPath(), nullability)
 
 /** Path overload for reading Arrow IPC from file path. */
 public fun DataFrame.Companion.readArrowIPC(
@@ -134,7 +134,7 @@ public fun DataFrame.Companion.readArrowIPC(
 public fun DataFrame.Companion.readArrowFeather(
     file: File,
     nullability: NullabilityOptions = NullabilityOptions.Infer,
-): AnyFrame = Files.newByteChannel(file.toPath()).use { readArrowFeather(it, nullability = nullability) }
+): AnyFrame = readArrowFeather(file.toPath(), nullability)
 
 /** Path overload for reading Arrow Feather from file path. */
 public fun DataFrame.Companion.readArrowFeather(

dataframe-arrow/src/main/kotlin/org/jetbrains/kotlinx/dataframe/io/arrowWriting.kt

@@ -54,9 +54,7 @@ public fun AnyFrame.writeArrowIPC(file: File, append: Boolean = true) {
 
 /** Path overload for IPC writing. */
 public fun AnyFrame.writeArrowIPC(path: Path, append: Boolean = true) {
-    this.arrowWriter().use { writer ->
-        writer.writeArrowIPC(path, append)
-    }
+    writeArrowIPC(path.toFile(), append)
 }
 
 /**
@@ -99,9 +97,7 @@ public fun AnyFrame.writeArrowFeather(file: File) {
 
 /** Path overload for Feather writing. */
 public fun AnyFrame.writeArrowFeather(path: Path) {
-    this.arrowWriter().use { writer ->
-        writer.writeArrowFeather(path)
-    }
+    writeArrowFeather(path.toFile())
 }
 
 /**