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fix for reading empty files

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Stepan Usatiuk
2024-06-18 22:55:40 +02:00
parent de47391d43
commit 89d0a2b2d7
1 changed files with 8 additions and 0 deletions
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8
server/src/main/java/com/usatiuk/dhfs/storage/files/service/DhfsFileServiceImpl.java
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@@ -211,6 +211,10 @@ public class DhfsFileServiceImpl implements DhfsFileService {
try { try {
file.runReadLocked((fsNodeData, fileData) -> { file.runReadLocked((fsNodeData, fileData) -> {
var chunksAll = fileData.getChunks(); var chunksAll = fileData.getChunks();
if (chunksAll.isEmpty()) {
chunksList.set(new ArrayList<>());
return null;
}
chunksList.set(chunksAll.tailMap(chunksAll.floorKey(offset)).entrySet().stream().toList()); chunksList.set(chunksAll.tailMap(chunksAll.floorKey(offset)).entrySet().stream().toList());
return null; return null;
}); });
@@ -219,6 +223,10 @@ public class DhfsFileServiceImpl implements DhfsFileService {
return Optional.empty(); return Optional.empty();
} }
if (chunksList.get().isEmpty()) {
return Optional.of(new byte[0]);
}
var chunks = chunksList.get().iterator(); var chunks = chunksList.get().iterator();
ByteBuffer buf = ByteBuffer.allocate(length); ByteBuffer buf = ByteBuffer.allocate(length);