From 351edbf4e5dc679dfe65258c6919e9a2a75f7ae8 Mon Sep 17 00:00:00 2001
From: BuildTools <unconfigured@null.spigotmc.org>
Date: Tue, 2 Dec 2014 15:29:04 +0100
Subject: [PATCH] Fix CraftMetaBanner serialization.

---
 .../bukkit/craftbukkit/inventory/CraftMetaBanner.java    | 9 +++++++--
 .../org/bukkit/craftbukkit/inventory/CraftMetaItem.java  | 1 +
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaBanner.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaBanner.java
index d61615bfad..713d70cd1b 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaBanner.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaBanner.java
@@ -145,8 +145,13 @@ public class CraftMetaBanner extends CraftMetaItem implements BannerMeta {
     ImmutableMap.Builder<String, Object> serialize(ImmutableMap.Builder<String, Object> builder) {
         super.serialize(builder);
         
-        builder.put(BASE.BUKKIT, base);        
-        builder.put(PATTERNS.BUKKIT, ImmutableList.copyOf(patterns));
+        if(base != null){
+            builder.put(BASE.BUKKIT, base);
+        }
+
+        if(!patterns.isEmpty()){
+            builder.put(PATTERNS.BUKKIT, ImmutableList.copyOf(patterns));
+        }
 
         return builder;
     }
diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java
index c9738c4f09..1f7b5239aa 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java
@@ -96,6 +96,7 @@ class CraftMetaItem implements ItemMeta, Repairable {
 
         static {
             classMap = ImmutableMap.<Class<? extends CraftMetaItem>, String>builder()
+                    .put(CraftMetaBanner.class, "BANNER")
                     .put(CraftMetaBook.class, "BOOK")
                     .put(CraftMetaSkull.class, "SKULL")
                     .put(CraftMetaLeatherArmor.class, "LEATHER_ARMOR")