Return the image the given image was swapped with.

diff --git a/src/main/java/net/pterodactylus/sone/data/Album.java b/src/main/java/net/pterodactylus/sone/data/Album.java
index 56bddb2..cc32f88 100644 (file)
--- a/src/main/java/net/pterodactylus/sone/data/Album.java
+++ b/src/main/java/net/pterodactylus/sone/data/Album.java
@@ -214,15 +214,18 @@ public class Album implements Fingerprintable {
         *
         * @param image
         *            The image to move up
+        * @return The image that the given image swapped the place with, or
+        *         <code>null</code> if the image did not change its place
         */
-       public void moveImageUp(Image image) {
+       public Image moveImageUp(Image image) {
                Validation.begin().isNotNull("Image", image).check().isEqual("Image Album", image.getAlbum(), this).isEqual("Album Owner", image.getAlbum().getSone(), sone).check();
                int oldIndex = imageIds.indexOf(image.getId());
                if (oldIndex <= 0) {
-                       return;
+                       return null;
                }
                imageIds.remove(image.getId());
                imageIds.add(oldIndex - 1, image.getId());
+               return images.get(imageIds.get(oldIndex));
        }
 
        /**
@@ -231,15 +234,18 @@ public class Album implements Fingerprintable {
         *
         * @param image
         *            The image to move down
+        * @return The image that the given image swapped the place with, or
+        *         <code>null</code> if the image did not change its place
         */
-       public void moveImageDown(Image image) {
+       public Image moveImageDown(Image image) {
                Validation.begin().isNotNull("Image", image).check().isEqual("Image Album", image.getAlbum(), this).isEqual("Album Owner", image.getAlbum().getSone(), sone).check();
                int oldIndex = imageIds.indexOf(image.getId());
                if ((oldIndex == -1) || (oldIndex >= (imageIds.size() - 1))) {
-                       return;
+                       return null;
                }
                imageIds.remove(image.getId());
                imageIds.add(oldIndex + 1, image.getId());
+               return images.get(imageIds.get(oldIndex));
        }
 
        /**