Update CraftBukkit to Minecraft 1.4(.2).

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

@@ -0,0 +1,83 @@
+package org.bukkit.craftbukkit.entity;
+
+import net.minecraft.server.EntityHanging;
+import org.bukkit.block.Block;
+import org.bukkit.block.BlockFace;
+import org.bukkit.craftbukkit.CraftServer;
+import org.bukkit.entity.EntityType;
+import org.bukkit.entity.Hanging;
+
+public class CraftHanging extends CraftEntity implements Hanging {
+    public CraftHanging(CraftServer server, EntityHanging entity) {
+        super(server, entity);
+    }
+
+    public BlockFace getAttachedFace() {
+        return getFacing().getOppositeFace();
+    }
+
+    public void setFacingDirection(BlockFace face) {
+        setFacingDirection(face, false);
+    }
+
+    public boolean setFacingDirection(BlockFace face, boolean force) {
+        Block block = getLocation().getBlock().getRelative(getAttachedFace()).getRelative(face.getOppositeFace()).getRelative(getFacing());
+        EntityHanging hanging = getHandle();
+        int x = hanging.x, y = hanging.y, z = hanging.z, dir = hanging.direction;
+        hanging.x = block.getX();
+        hanging.y = block.getY();
+        hanging.z = block.getZ();
+        switch (face) {
+            case EAST:
+            default:
+                getHandle().setDirection(0);
+                break;
+            case NORTH:
+                getHandle().setDirection(1);
+                break;
+            case WEST:
+                getHandle().setDirection(2);
+                break;
+            case SOUTH:
+                getHandle().setDirection(3);
+                break;
+        }
+        if (!force && !hanging.survives()) {
+            // Revert since it doesn't fit
+            hanging.x = x;
+            hanging.y = y;
+            hanging.z = z;
+            hanging.setDirection(dir);
+            return false;
+        }
+        return true;
+    }
+
+    public BlockFace getFacing() {
+        switch (this.getHandle().direction) {
+            case 0:
+            default:
+                return BlockFace.EAST;
+            case 1:
+                return BlockFace.NORTH;
+            case 2:
+                return BlockFace.WEST;
+            case 3:
+                return BlockFace.SOUTH;
+        }
+    }
+
+    @Override
+    public EntityHanging getHandle() {
+        return (EntityHanging) entity;
+    }
+
+    @Override
+    public String toString() {
+        return "CraftHanging";
+    }
+
+    public EntityType getType() {
+        return EntityType.UNKNOWN;
+    }
+}