From 3d5e2252740e3e6561ae7812ab41c806fbabd77d Mon Sep 17 00:00:00 2001
From: Skylot <118523+skylot@users.noreply.github.com>
Date: Tue, 22 Oct 2024 17:58:51 +0100
Subject: [PATCH] fix: clear temp root dir instead delete (#2312)

---
 .../main/java/jadx/api/JadxDecompiler.java    |  2 +-
 .../java/jadx/core/utils/files/FileUtils.java | 28 +++++++++++++++++--
 2 files changed, 26 insertions(+), 4 deletions(-)

diff --git a/jadx-core/src/main/java/jadx/api/JadxDecompiler.java b/jadx-core/src/main/java/jadx/api/JadxDecompiler.java
index 4cacd98ec..aabaa886c 100644
--- a/jadx-core/src/main/java/jadx/api/JadxDecompiler.java
+++ b/jadx-core/src/main/java/jadx/api/JadxDecompiler.java
@@ -178,7 +178,7 @@ public final class JadxDecompiler implements Closeable {
 		closeInputs();
 		closeLoaders();
 		args.close();
-		FileUtils.deleteTempRootDir();
+		FileUtils.clearTempRootDir();
 	}
 
 	private void closeInputs() {
diff --git a/jadx-core/src/main/java/jadx/core/utils/files/FileUtils.java b/jadx-core/src/main/java/jadx/core/utils/files/FileUtils.java
index 6f2719cb9..59320ce8a 100644
--- a/jadx-core/src/main/java/jadx/core/utils/files/FileUtils.java
+++ b/jadx-core/src/main/java/jadx/core/utils/files/FileUtils.java
@@ -152,7 +152,7 @@ public class FileUtils {
 		}
 	}
 
-	private static final SimpleFileVisitor<Path> FILE_DELETE_VISITOR = new SimpleFileVisitor<Path>() {
+	private static final SimpleFileVisitor<Path> FILE_DELETE_VISITOR = new SimpleFileVisitor<>() {
 		@Override
 		public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
 			Files.delete(file);
@@ -174,8 +174,30 @@ public class FileUtils {
 		}
 	}
 
-	public static void deleteTempRootDir() {
-		deleteDirIfExists(tempRootDir);
+	public static void clearTempRootDir() {
+		clearDir(tempRootDir);
+	}
+
+	public static void clearDir(Path clearDir) {
+		try {
+			Files.walkFileTree(clearDir, Collections.emptySet(), Integer.MAX_VALUE, new SimpleFileVisitor<>() {
+				@Override
+				public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
+					Files.delete(file);
+					return FileVisitResult.CONTINUE;
+				}
+
+				@Override
+				public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
+					if (!dir.equals(clearDir)) {
+						Files.delete(dir);
+					}
+					return FileVisitResult.CONTINUE;
+				}
+			});
+		} catch (Exception e) {
+			throw new JadxRuntimeException("Failed to clear directory " + clearDir, e);
+		}
 	}
 
 	public static Path createTempDir(String prefix) {