From 328793c5e332d879e7f8e14dc9922099f1c0dd8d Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Wed, 8 May 2024 18:30:30 +0200
Subject: ChunkList: Add writeCrc32List method

---
 .../java/org/openslx/filetransfer/util/ChunkList.java  | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/main/java/org/openslx/filetransfer/util/ChunkList.java b/src/main/java/org/openslx/filetransfer/util/ChunkList.java
index bd927b1..4944847 100644
--- a/src/main/java/org/openslx/filetransfer/util/ChunkList.java
+++ b/src/main/java/org/openslx/filetransfer/util/ChunkList.java
@@ -1,5 +1,6 @@
 package org.openslx.filetransfer.util;
 
+import java.io.FileOutputStream;
 import java.io.IOException;
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
@@ -521,4 +522,21 @@ public class ChunkList
 		return chunk.sha1sum != null && Arrays.equals( FileChunk.NULL_BLOCK_SHA1, chunk.sha1sum );
 	}
 
+	/**
+	 * Write DNBD3 CRC32 list to given file.
+	 * 
+	 * @throws IllegalStateException
+	 * @throws IOException
+	 */
+	public void writeCrc32List( String crcfile ) throws IllegalStateException, IOException
+	{
+		byte[] dnbd3Crc32List = null;
+		dnbd3Crc32List = getDnbd3Crc32List();
+		if ( dnbd3Crc32List != null ) {
+			try ( FileOutputStream fos = new FileOutputStream( crcfile ) ) {
+				fos.write( dnbd3Crc32List );
+			}
+		}
+	}
+
 }
-- 
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