SPIGOT-4147: Fix ItemFrames not able to be placed UP or DOWN

src/main/java/org/bukkit/craftbukkit/entity/CraftHanging.java

@@ -1,11 +1,10 @@
 package org.bukkit.craftbukkit.entity;
 
-import net.minecraft.server.BlockPosition;
 import net.minecraft.server.EntityHanging;
 import net.minecraft.server.EnumDirection;
-import org.bukkit.block.Block;
 import org.bukkit.block.BlockFace;
 import org.bukkit.craftbukkit.CraftServer;
+import org.bukkit.craftbukkit.block.CraftBlock;
 import org.bukkit.entity.EntityType;
 import org.bukkit.entity.Hanging;
 
@@ -51,17 +50,7 @@ public class CraftHanging extends CraftEntity implements Hanging {
     public BlockFace getFacing() {
         EnumDirection direction = this.getHandle().direction;
         if (direction == null) return BlockFace.SELF;
-        switch (direction) {
-            case SOUTH:
-            default:
-                return BlockFace.SOUTH;
-            case WEST:
-                return BlockFace.WEST;
-            case NORTH:
-                return BlockFace.NORTH;
-            case EAST:
-                return BlockFace.EAST;
-        }
+        return CraftBlock.notchToBlockFace(direction);
     }
 
     @Override

src/main/java/org/bukkit/craftbukkit/entity/CraftItemFrame.java

@@ -1,6 +1,7 @@
 package org.bukkit.craftbukkit.entity;
 
 import net.minecraft.server.BlockPosition;
+import net.minecraft.server.EntityHanging;
 import net.minecraft.server.EntityItemFrame;
 import net.minecraft.server.EnumDirection;
 import net.minecraft.server.ItemStack;
@@ -12,6 +13,7 @@ import org.bukkit.Rotation;
 import org.bukkit.block.BlockFace;
 import org.bukkit.craftbukkit.CraftServer;
 import org.bukkit.craftbukkit.CraftWorld;
+import org.bukkit.craftbukkit.block.CraftBlock;
 import org.bukkit.craftbukkit.inventory.CraftItemStack;
 import org.bukkit.entity.EntityType;
 import org.bukkit.entity.ItemFrame;
@@ -21,8 +23,15 @@ public class CraftItemFrame extends CraftHanging implements ItemFrame {
         super(server, entity);
     }
 
+    @Override
     public boolean setFacingDirection(BlockFace face, boolean force) {
-        if (!super.setFacingDirection(face, force)) {
+        EntityHanging hanging = getHandle();
+        EnumDirection oldDir = hanging.direction;
+        EnumDirection newDir = CraftBlock.blockFaceToNotch(face);
+
+        getHandle().setDirection(newDir);
+        if (!force && !hanging.survives()) {
+            hanging.setDirection(oldDir);
             return false;
         }