with checkNotNull] fbandroid/libraries/fresco/animated-gif-lite/src/m…

…ain/java/com/facebook/animated/giflite/GifDecoder.java

Reviewed By: jocelynluizzi13

Differential Revision: D68764961

fbshipit-source-id: d73802bb6b42734990e86571140f58df7a776fab

animated-gif-lite/src/main/java/com/facebook/animated/giflite/GifDecoder.java

@@ -12,6 +12,7 @@
 import com.facebook.animated.giflite.draw.MovieAnimatedImage;
 import com.facebook.animated.giflite.draw.MovieDrawer;
 import com.facebook.animated.giflite.draw.MovieFrame;
+import com.facebook.common.preconditions.Preconditions;
 import com.facebook.imagepipeline.animated.base.AnimatedDrawableFrameInfo;
 import com.facebook.imagepipeline.animated.base.AnimatedImageResult;
 import com.facebook.imagepipeline.common.ImageDecodeOptions;
@@ -44,15 +45,12 @@ public CloseableImage decode(
       GifMetadataDecoder decoder = GifMetadataDecoder.create(is, out);
 
       if (out.size() > 0) { // let's use the fixed gif version if exists
-        // NULLSAFE_FIXME[Nullable Dereference]
-        is.close();
+        Preconditions.checkNotNull(is).close();
         is = new ByteArrayInputStream(out.toByteArray());
       }
 
-      // NULLSAFE_FIXME[Nullable Dereference]
-      is.reset();
+      Preconditions.checkNotNull(is).reset();
 
-      // NULLSAFE_FIXME[Parameter Not Nullable]
       Movie movie = Movie.decodeStream(is);
 
       MovieDrawer drawer = new MovieDrawer(movie);
@@ -84,8 +82,7 @@ public CloseableImage decode(
       throw new RuntimeException("Error while decoding gif", e);
     } finally {
       try {
-        // NULLSAFE_FIXME[Nullable Dereference]
-        is.close();
+        Preconditions.checkNotNull(is).close();
       } catch (IOException ignored) {
       }
     }