Enforce immutability

1 files changed, 4 insertions, 4 deletions

diff --git a/src/ch/epfl/xblast/client/GameStateDeserializer.java b/src/ch/epfl/xblast/client/GameStateDeserializer.java
index 2c06dbc..e2039ed 100644
--- a/src/ch/epfl/xblast/client/GameStateDeserializer.java
+++ b/src/ch/epfl/xblast/client/GameStateDeserializer.java
@@ -108,10 +108,10 @@ public final class GameStateDeserializer {
      * @return a list of Images corresponding to the serialized element
      */
     private static List<Image> deserializeImageChunk(List<Byte> data, ImageCollection imageCollection) {
-        return RunLengthEncoder.decode(data).stream()
+        return Collections.unmodifiableList(RunLengthEncoder.decode(data).stream()
                 .map(Byte::toUnsignedInt)
                 .map(imageCollection::imageOrNull)
-                .collect(Collectors.toList());
+                .collect(Collectors.toList()));
     }
 
     /**
@@ -131,9 +131,9 @@ public final class GameStateDeserializer {
                 .range(0, Cell.SPIRAL_ORDER.size()).mapToObj(i -> i)
                 .collect(Collectors.toMap(Cell.SPIRAL_ORDER::get, spiralOrdered::get));
 
-        return Cell.ROW_MAJOR_ORDER.stream()
+        return Collections.unmodifiableList(Cell.ROW_MAJOR_ORDER.stream()
                 .map(imageMap::get)
-                .collect(Collectors.toList());
+                .collect(Collectors.toList()));
     }
 
     /**