Add a null check on path.getFileName()HEADmaster

1 files changed, 3 insertions, 2 deletions

diff --git a/src/main/java/org/reasm/batch/Assembler.java b/src/main/java/org/reasm/batch/Assembler.java
index eec3dcb..5289e5b 100644
--- a/src/main/java/org/reasm/batch/Assembler.java
+++ b/src/main/java/org/reasm/batch/Assembler.java
@@ -57,8 +57,9 @@ public class Assembler {
 
                 // Create the main source file.
                 final Path path = Paths.get(args[0]);
-                final SourceFile mainSourceFile = new SourceFile(new String(Files.readAllBytes(path), "UTF-8"), path.getFileName()
-                        .toString());
+                final Path fileName = path.getFileName();
+                final SourceFile mainSourceFile = new SourceFile(new String(Files.readAllBytes(path), "UTF-8"),
+                        fileName == null ? "" : fileName.toString());
 
                 // Create a configuration.
                 final FileFetcher fileFetcher = new LocalFileFetcher(args[0]);