Updating to 1.7.8

This was necessitated by two new NMS changes:
* NBTCompressedStreamTools.a(DataInput, int) now includes an additional
  parameter NBTReadLimiter
* GameProfile changed the type of getId() from String to UUID, along
  with the constructor (String, String) to (UUID, String).

ProtocolLib/pom.xml

@@ -232,7 +232,7 @@
   	<dependency>
   		<groupId>org.bukkit</groupId>
   		<artifactId>craftbukkit</artifactId>
-  		<version>1.7.2-R0.1-SNAPSHOT</version>
+  		<version>1.7.8-R0.1-SNAPSHOT</version>
   		<scope>provided</scope>
   	</dependency>
   	<dependency>

ProtocolLib/src/main/java/com/comphenix/protocol/events/SerializedOfflinePlayer.java

@@ -23,6 +23,7 @@ import java.io.ObjectOutputStream;
 import java.io.Serializable;
 import java.lang.reflect.Method;
 import java.util.Map;
+import java.util.UUID;
 import java.util.concurrent.ConcurrentHashMap;
 
 import net.sf.cglib.proxy.Enhancer;
@@ -53,6 +54,7 @@ class SerializedOfflinePlayer implements OfflinePlayer, Serializable {
 	
 	// Relevant data about an offline player
 	private String name;
+	private UUID uuid;
 	private long firstPlayed;
 	private long lastPlayed;
 	private boolean operator;
@@ -77,6 +79,7 @@ class SerializedOfflinePlayer implements OfflinePlayer, Serializable {
 	 */
 	public SerializedOfflinePlayer(OfflinePlayer offline) {
 		this.name = offline.getName();
+		this.uuid = offline.getUniqueId();
 		this.firstPlayed = offline.getFirstPlayed();
 		this.lastPlayed = offline.getLastPlayed();
 		this.operator = offline.isOp();
@@ -116,6 +119,11 @@ class SerializedOfflinePlayer implements OfflinePlayer, Serializable {
 		return lastPlayed;
 	}
 
+	@Override
+	public UUID getUniqueId() {
+		return uuid;
+	}
+	
 	@Override
 	public String getName() {
 		return name;

ProtocolLib/src/main/java/com/comphenix/protocol/reflect/FuzzyReflection.java

@@ -132,7 +132,7 @@ public class FuzzyReflection {
 		} catch (IllegalArgumentException e) {
 			// Try getting the field instead
 			// Note that this will throw an exception if not found
-			field = getFieldByType("instance", source.getClass());
+			field = getFieldByType("instance", source);
 		}
 
 		// Convert into unchecked exceptions

ProtocolLib/src/main/java/com/comphenix/protocol/reflect/accessors/Accessors.java

@@ -106,6 +106,41 @@ public final class Accessors {
 		return new DefaultFieldAccessor(field);
 	}
 	
+	/**
+	 * Retrieve a field accessor for a field with the given name and equivalent type, or NULL.
+	 * @param clazz - the declaration class.
+	 * @param fieldName - the field name.
+	 * @param fieldType - assignable field type.
+	 * @return The field accessor, or NULL if not found.
+	 */
+	public static FieldAccessor getFieldAcccessorOrNull(Class<?> clazz, String fieldName, Class<?> fieldType) {
+		 try {
+			 FieldAccessor accessor = Accessors.getFieldAccessor(clazz, fieldName, true);
+			 
+			 // Verify the type
+			 if (fieldType.isAssignableFrom(accessor.getField().getType())) {
+				 return accessor; 
+			 }
+			 return null;
+		 } catch (IllegalArgumentException e) {
+			 return null;
+		 }
+	}
+	
+	/**
+	 * Find a specific constructor in a class.
+	 * @param clazz - the class.
+	 * @param parameters - the signature of the constructor to find.
+	 * @return The constructor, or NULL if not found.
+	 */
+	public static ConstructorAccessor getConstructorAccessorOrNull(Class<?> clazz, Class<?>... parameters) {
+		try {
+			return Accessors.getConstructorAccessor(clazz, parameters);
+		} catch (IllegalArgumentException e) {
+			return null; // Not found
+		}
+	}
+	
 	/**
 	 * Retrieve a field accessor that will cache the content of the field.
 	 * <p>
@@ -198,6 +233,8 @@ public final class Accessors {
 	 * @param instanceClass - the parent class.
 	 * @param parameters - the parameters.
 	 * @return The constructor accessor.
+	 * @throws IllegalArgumentException If we cannot find this constructor.
+	 * @throws IllegalStateException If we cannot access reflection.
 	 */
 	public static ConstructorAccessor getConstructorAccessor(Class<?> instanceClass, Class<?>... parameters) {
 		try {

ProtocolLib/src/main/java/com/comphenix/protocol/utility/MinecraftReflection.java

@@ -1327,6 +1327,16 @@ public class MinecraftReflection {
 		}
  	}
 	
+	/**
+	 * Retrieve the NBT read limiter class.
+	 * <p>
+	 * This is only supported in 1.7.8 (released 2014) and higher.
+	 * @return The NBT read limiter.
+	 */
+	public static Class<?> getNBTReadLimiterClass() {
+		return getMinecraftClass("NBTReadLimiter");
+	}
+	
 	/**
 	 * Retrieve the NBT Compound class.
 	 * @return The NBT Compond class.

ProtocolLib/src/main/java/com/comphenix/protocol/utility/MinecraftVersion.java

@@ -43,6 +43,11 @@ public class MinecraftVersion implements Comparable<MinecraftVersion>, Serializa
 	 */
 	private static final String VERSION_PATTERN = ".*\\(.*MC.\\s*([a-zA-z0-9\\-\\.]+)\\s*\\)";
 	
+	/**
+	 * Version 1.7.8 - the update that changed the skin format (and distribution - R.I.P. player disguise)
+	 */
+	public static final MinecraftVersion SKIN_UPDATE = new MinecraftVersion("1.7.8");
+	
 	/**
 	 * Version 1.7.2 - the update that changed the world.
 	 */

ProtocolLib/src/main/java/com/comphenix/protocol/wrappers/WrappedGameProfile.java

@@ -1,6 +1,14 @@
 package com.comphenix.protocol.wrappers;
 
+import java.util.UUID;
+
+import org.apache.commons.lang.StringUtils;
+
+import com.comphenix.protocol.reflect.accessors.Accessors;
+import com.comphenix.protocol.reflect.accessors.ConstructorAccessor;
+import com.comphenix.protocol.reflect.accessors.FieldAccessor;
 import com.google.common.base.Objects;
+import com.google.common.base.Strings;
 
 import net.minecraft.util.com.mojang.authlib.GameProfile;
 
@@ -9,6 +17,10 @@ import net.minecraft.util.com.mojang.authlib.GameProfile;
  * @author Kristian
  */
 public class WrappedGameProfile extends AbstractWrapper {
+	// Version 1.7.2 and 1.7.8 respectively
+	private static final ConstructorAccessor CREATE_STRING_STRING = Accessors.getConstructorAccessorOrNull(GameProfile.class, String.class, String.class);
+	private static final FieldAccessor GET_UUID_STRING = Accessors.getFieldAcccessorOrNull(GameProfile.class, "id", String.class);
+	
 	// Profile from a handle
 	private WrappedGameProfile(Object profile) {
 		super(GameProfile.class);
@@ -21,7 +33,43 @@ public class WrappedGameProfile extends AbstractWrapper {
 	 * @param name - the name of the player.
 	 */
 	public WrappedGameProfile(String id, String name) {
-		this(new GameProfile(id, name));
+		super(GameProfile.class);
+		
+		if (CREATE_STRING_STRING != null) {
+			setHandle(CREATE_STRING_STRING.invoke(id, name));
+		} else {
+			parseUUID(id, name);
+			setHandle(new GameProfile(parseUUID(id, name), name));
+		}
+	}
+
+	private UUID parseUUID(String id, String name) {
+		try {
+			int missing = 4 - StringUtils.countMatches(id, "-");
+			
+			// Lenient - add missing data
+			if (missing > 0) {
+				id += StringUtils.repeat("-0", missing);
+			}
+			return UUID.fromString(id);
+		} catch (IllegalArgumentException e) {
+			throw new IllegalArgumentException("Cannot construct profile [" + id + ", " + name + "]", e);
+		}
+	}
+	
+	/**
+	 * Construct a new game profile with the given properties.
+	 * @param uuid - the UUID of the player.
+	 * @param name - the name of the player.
+	 */
+	public WrappedGameProfile(UUID uuid, String name) {
+		super(GameProfile.class);
+		
+		if (CREATE_STRING_STRING != null) {
+			setHandle(CREATE_STRING_STRING.invoke(uuid.toString(), name));
+		} else {
+			setHandle(new GameProfile(uuid, name));
+		}
 	}
 	
 	/**
@@ -39,7 +87,9 @@ public class WrappedGameProfile extends AbstractWrapper {
 	 * @return The UUID of the player, or NULL if not computed.
 	 */
 	public String getId() {
-		return getProfile().getId();
+		if (GET_UUID_STRING == null)
+			return (String) GET_UUID_STRING.get(handle);
+		return getProfile().getId() != null ? getProfile().getId().toString() : null;
 	}
 
 	/**

ProtocolLib/src/main/java/com/comphenix/protocol/wrappers/WrappedServerPing.java

@@ -288,7 +288,7 @@ public class WrappedServerPing extends AbstractWrapper {
 		
 		for (Player player : players) {
 			GameProfile profile = (GameProfile) ENTITY_HUMAN_PROFILE.get(BukkitUnwrapper.getInstance().unwrapItem(player));
-			profiles.add(new WrappedGameProfile(profile.getId(), profile.getName()));
+			profiles.add(WrappedGameProfile.fromHandle(profile));
 		}
 		setPlayers(profiles);
 	}

ProtocolLib/src/main/java/com/comphenix/protocol/wrappers/nbt/io/NbtBinarySerializer.java

@@ -6,6 +6,8 @@ import java.lang.reflect.Method;
 
 import com.comphenix.protocol.reflect.FieldAccessException;
 import com.comphenix.protocol.reflect.FuzzyReflection;
+import com.comphenix.protocol.reflect.accessors.Accessors;
+import com.comphenix.protocol.reflect.accessors.MethodAccessor;
 import com.comphenix.protocol.utility.MinecraftReflection;
 import com.comphenix.protocol.wrappers.nbt.NbtBase;
 import com.comphenix.protocol.wrappers.nbt.NbtCompound;
@@ -14,9 +16,62 @@ import com.comphenix.protocol.wrappers.nbt.NbtList;
 import com.comphenix.protocol.wrappers.nbt.NbtWrapper;
 
 public class NbtBinarySerializer {
+	private static final Class<?> NBT_BASE_CLASS = MinecraftReflection.getNBTBaseClass();
+	
+	private interface LoadMethod {
+		/**
+		 * Load an NBT compound from a given stream.
+		 * @param input - the input stream.
+		 * @return The loaded NBT compound.
+		 */
+		public abstract Object loadNbt(DataInput input);
+	}
+	
+	/**
+	 * Load an NBT compound from the NBTBase static method pre-1.7.2.
+	 */
+	private static class LoadMethodNbtClass implements LoadMethod {
+		private MethodAccessor accessor = getNbtLoadMethod(DataInput.class);
+		
+		@Override
+		public Object loadNbt(DataInput input) {
+			return accessor.invoke(null, input);
+		}
+	}
+	
+	/**
+	 * Load an NBT compound from the NBTCompressedStreamTools static method in 1.7.2 - 1.7.5
+	 */
+	private static class LoadMethodWorldUpdate implements LoadMethod {
+		private MethodAccessor accessor = getNbtLoadMethod(DataInput.class, int.class);
+		
+		@Override
+		public Object loadNbt(DataInput input) {
+			return accessor.invoke(null, input, 0);
+		}
+	}
+
+	/**
+	 * Load an NBT compound from the NBTCompressedStreamTools static method in 1.7.8
+	 */
+	private static class LoadMethodSkinUpdate implements LoadMethod {
+		private Class<?> readLimitClass = MinecraftReflection.getNBTReadLimiterClass();
+		private Object readLimiter = FuzzyReflection.fromClass(readLimitClass).getSingleton();
+		private MethodAccessor accessor = getNbtLoadMethod(DataInput.class, int.class, readLimitClass);
+		
+		@Override
+		public Object loadNbt(DataInput input) {
+			return accessor.invoke(null, input, 0, readLimiter);
+		}
+	}
+	
 	// Used to read and write NBT
 	private static Method methodWrite;
-	private static Method methodLoad;
+	
+	/**
+	 * Method selected for loading NBT compounds.
+	 */
+	private static LoadMethod loadMethod;
 	
 	/**
 	 * Retrieve a default instance of the NBT binary serializer.
@@ -51,32 +106,36 @@ public class NbtBinarySerializer {
 	 * @return An NBT tag.
 	 */
 	public <TType> NbtWrapper<TType> deserialize(DataInput source) {
-		if (methodLoad == null) {
+		LoadMethod method = loadMethod;
-			Class<?> base = MinecraftReflection.getNBTBaseClass();
-			Class<?>[] params = MinecraftReflection.isUsingNetty() ? 
-					new Class<?>[] { DataInput.class, int.class } : 
-					new Class<?>[] { DataInput.class };
 		
-			// Use the base class
+		if (loadMethod == null) {
-			methodLoad = getUtilityClass().getMethodByParameters("load", base, params);
+			if (MinecraftReflection.isUsingNetty()) {
-			methodLoad.setAccessible(true);
+				try {
+					method = new LoadMethodWorldUpdate();
+				} catch (IllegalArgumentException e) {
+					// Cannot find that method - must be in 1.7.8
+					method = new LoadMethodSkinUpdate();
+				}
+			} else {
+				method = new LoadMethodNbtClass();
+			}
+			
+			// Save the selected method
+			loadMethod = method;
 		}
 		
 		try {
-			Object result = null;
+			return NbtFactory.fromNMS(method.loadNbt(source), null);
-			
-			// Invoke the correct utility method
-			if (MinecraftReflection.isUsingNetty())
-				result = methodLoad.invoke(null, source, 0);
-			else
-				result = methodLoad.invoke(null, source);
-			return NbtFactory.fromNMS(result, null);
 		} catch (Exception e) {
 			throw new FieldAccessException("Unable to read NBT from " + source, e);
 		}
 	}
 	
-	private FuzzyReflection getUtilityClass() {
+	private static MethodAccessor getNbtLoadMethod(Class<?>... parameters) {
+		return Accessors.getMethodAccessor(getUtilityClass().getMethodByParameters("load", NBT_BASE_CLASS, parameters), true);
+	}
+	
+	private static FuzzyReflection getUtilityClass() {
 		if (MinecraftReflection.isUsingNetty()) {
 			return FuzzyReflection.fromClass(MinecraftReflection.getNbtCompressedStreamToolsClass(), true);
 		} else {

ProtocolLib/src/test/java/com/comphenix/protocol/BukkitInitialization.java

@@ -4,12 +4,12 @@ import static org.mockito.Matchers.any;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
 
-import net.minecraft.server.v1_7_R1.Block;
+import net.minecraft.server.v1_7_R3.Block;
-import net.minecraft.server.v1_7_R1.Item;
+import net.minecraft.server.v1_7_R3.Item;
-import net.minecraft.server.v1_7_R1.StatisticList;
+import net.minecraft.server.v1_7_R3.StatisticList;
 
 // Will have to be updated for every version though
-import org.bukkit.craftbukkit.v1_7_R1.inventory.CraftItemFactory;
+import org.bukkit.craftbukkit.v1_7_R3.inventory.CraftItemFactory;
 
 import org.bukkit.Bukkit;
 import org.bukkit.Material;
@@ -69,6 +69,6 @@ public class BukkitInitialization {
 	 */
 	public static void initializePackage() {
 		// Initialize reflection
-		MinecraftReflection.setMinecraftPackage("net.minecraft.server.v1_7_R1", "org.bukkit.craftbukkit.v1_7_R1");
+		MinecraftReflection.setMinecraftPackage("net.minecraft.server.v1_7_R3", "org.bukkit.craftbukkit.v1_7_R3");
 	}
 }

ProtocolLib/src/test/java/com/comphenix/protocol/events/PacketContainerTest.java

@@ -22,15 +22,15 @@ import java.lang.reflect.Array;
 import java.util.List;
 import java.util.UUID;
 
-import net.minecraft.server.v1_7_R1.AttributeModifier;
+import net.minecraft.server.v1_7_R3.AttributeModifier;
-import net.minecraft.server.v1_7_R1.AttributeSnapshot;
+import net.minecraft.server.v1_7_R3.AttributeSnapshot;
-import net.minecraft.server.v1_7_R1.PacketPlayOutUpdateAttributes;
+import net.minecraft.server.v1_7_R3.PacketPlayOutUpdateAttributes;
 
 import org.apache.commons.lang.SerializationUtils;
 import org.apache.commons.lang.builder.ToStringBuilder;
 import org.apache.commons.lang.builder.ToStringStyle;
 // Will have to be updated for every version though
-import org.bukkit.craftbukkit.v1_7_R1.inventory.CraftItemFactory;
+import org.bukkit.craftbukkit.v1_7_R3.inventory.CraftItemFactory;
 
 import org.bukkit.ChatColor;
 import org.bukkit.Material;
@@ -332,7 +332,7 @@ public class PacketContainerTest {
 	@Test
 	public void testGameProfiles() {
 		PacketContainer spawnEntity = new PacketContainer(PacketType.Play.Server.NAMED_ENTITY_SPAWN);
-		WrappedGameProfile profile = new WrappedGameProfile("id", "name");
+		WrappedGameProfile profile = new WrappedGameProfile("d7047a08-3150-4aa8-a2f2-7c1e2b17e298", "name");
 		spawnEntity.getGameProfiles().write(0, profile);
 		
 		assertEquals(profile, spawnEntity.getGameProfiles().read(0));

ProtocolLib/src/test/java/com/comphenix/protocol/utility/MinecraftReflectionTest.java

@@ -3,14 +3,14 @@ package com.comphenix.protocol.utility;
 import static org.junit.Assert.*;
 import static org.mockito.Mockito.*;
 
-import net.minecraft.server.v1_7_R1.ChatComponentText;
+import net.minecraft.server.v1_7_R3.ChatComponentText;
-import net.minecraft.server.v1_7_R1.ChatSerializer;
+import net.minecraft.server.v1_7_R3.ChatSerializer;
-import net.minecraft.server.v1_7_R1.ChunkCoordIntPair;
+import net.minecraft.server.v1_7_R3.ChunkCoordIntPair;
-import net.minecraft.server.v1_7_R1.IChatBaseComponent;
+import net.minecraft.server.v1_7_R3.IChatBaseComponent;
-import net.minecraft.server.v1_7_R1.NBTCompressedStreamTools;
+import net.minecraft.server.v1_7_R3.NBTCompressedStreamTools;
-import net.minecraft.server.v1_7_R1.ServerPing;
+import net.minecraft.server.v1_7_R3.ServerPing;
-import net.minecraft.server.v1_7_R1.ServerPingPlayerSample;
+import net.minecraft.server.v1_7_R3.ServerPingPlayerSample;
-import net.minecraft.server.v1_7_R1.ServerPingServerData;
+import net.minecraft.server.v1_7_R3.ServerPingServerData;
 
 import org.bukkit.block.Block;
 import org.bukkit.entity.Entity;

ProtocolLib/src/test/java/com/comphenix/protocol/utility/StreamSerializerTest.java

@@ -8,10 +8,10 @@ import java.io.DataInputStream;
 import java.io.DataOutputStream;
 import java.io.IOException;
 
-import net.minecraft.server.v1_7_R1.IntHashMap;
+import net.minecraft.server.v1_7_R3.IntHashMap;
 
 import org.bukkit.Material;
-import org.bukkit.craftbukkit.v1_7_R1.inventory.CraftItemFactory;
+import org.bukkit.craftbukkit.v1_7_R3.inventory.CraftItemFactory;
 import org.bukkit.inventory.ItemStack;
 import org.junit.BeforeClass;
 import org.junit.Test;

ProtocolLib/src/test/java/com/comphenix/protocol/wrappers/ChunkCoordIntPairTest.java

@@ -15,15 +15,15 @@ public class ChunkCoordIntPairTest {
 
 	@Test
 	public void test() {
-		net.minecraft.server.v1_7_R1.ChunkCoordIntPair pair = new net.minecraft.server.v1_7_R1.ChunkCoordIntPair(1, 2);
+		net.minecraft.server.v1_7_R3.ChunkCoordIntPair pair = new net.minecraft.server.v1_7_R3.ChunkCoordIntPair(1, 2);
 		ChunkCoordIntPair specific = ChunkCoordIntPair.getConverter().getSpecific(pair);
 		
 		assertEquals(1, specific.getChunkX());
 		assertEquals(2, specific.getChunkZ());
 		
-		net.minecraft.server.v1_7_R1.ChunkCoordIntPair roundtrip = 
+		net.minecraft.server.v1_7_R3.ChunkCoordIntPair roundtrip = 
-			(net.minecraft.server.v1_7_R1.ChunkCoordIntPair) ChunkCoordIntPair.getConverter().
+			(net.minecraft.server.v1_7_R3.ChunkCoordIntPair) ChunkCoordIntPair.getConverter().
-			getGeneric(net.minecraft.server.v1_7_R1.ChunkCoordIntPair.class, specific);
+			getGeneric(net.minecraft.server.v1_7_R3.ChunkCoordIntPair.class, specific);
 		
 		assertEquals(1, roundtrip.x);
 		assertEquals(2, roundtrip.z);

ProtocolLib/src/test/java/com/comphenix/protocol/wrappers/CloningTest.java

@@ -16,7 +16,7 @@ public class CloningTest {
 	
 	@Test
 	public void cloneGameProfile() {
-		WrappedGameProfile profile = new WrappedGameProfile("id", "name");
+		WrappedGameProfile profile = new WrappedGameProfile("8817d9ec-72e6-4abe-a496-cda667c3efe1", "name");
 		WrappedGameProfile copy = WrappedGameProfile.fromHandle(
 			AggregateCloner.DEFAULT.clone(profile.getHandle())
 		);

ProtocolLib/src/test/java/com/comphenix/protocol/wrappers/EnumWrappersTest.java

@@ -2,12 +2,12 @@ package com.comphenix.protocol.wrappers;
 
 import static org.junit.Assert.*;
 
-import net.minecraft.server.v1_7_R1.EnumChatVisibility;
+import net.minecraft.server.v1_7_R3.EnumChatVisibility;
-import net.minecraft.server.v1_7_R1.EnumClientCommand;
+import net.minecraft.server.v1_7_R3.EnumClientCommand;
-import net.minecraft.server.v1_7_R1.EnumDifficulty;
+import net.minecraft.server.v1_7_R3.EnumDifficulty;
-import net.minecraft.server.v1_7_R1.EnumEntityUseAction;
+import net.minecraft.server.v1_7_R3.EnumEntityUseAction;
-import net.minecraft.server.v1_7_R1.EnumGamemode;
+import net.minecraft.server.v1_7_R3.EnumGamemode;
-import net.minecraft.server.v1_7_R1.EnumProtocol;
+import net.minecraft.server.v1_7_R3.EnumProtocol;
 
 import org.junit.BeforeClass;
 import org.junit.Test;

ProtocolLib/src/test/java/com/comphenix/protocol/wrappers/WrappedAttributeTest.java

@@ -4,9 +4,9 @@ import static org.junit.Assert.*;
 
 import java.util.List;
 
-import net.minecraft.server.v1_7_R1.AttributeModifier;
+import net.minecraft.server.v1_7_R3.AttributeModifier;
-import net.minecraft.server.v1_7_R1.AttributeSnapshot;
+import net.minecraft.server.v1_7_R3.AttributeSnapshot;
-import net.minecraft.server.v1_7_R1.PacketPlayOutUpdateAttributes;
+import net.minecraft.server.v1_7_R3.PacketPlayOutUpdateAttributes;
 
 import org.junit.Before;
 import org.junit.BeforeClass;

ProtocolLib/src/test/java/com/comphenix/protocol/wrappers/WrappedWatchableObjectTest.java

@@ -3,7 +3,7 @@ package com.comphenix.protocol.wrappers;
 import static org.junit.Assert.*;
 
 import org.bukkit.Material;
-import org.bukkit.craftbukkit.v1_7_R1.inventory.CraftItemFactory;
+import org.bukkit.craftbukkit.v1_7_R3.inventory.CraftItemFactory;
 import org.bukkit.inventory.ItemStack;
 import org.junit.BeforeClass;
 import org.junit.Test;

ProtocolLib/src/test/java/com/comphenix/protocol/wrappers/nbt/NbtFactoryTest.java

@@ -27,7 +27,7 @@ import java.io.DataOutput;
 import java.io.DataOutputStream;
 
 import org.bukkit.Material;
-import org.bukkit.craftbukkit.v1_7_R1.inventory.CraftItemFactory;
+import org.bukkit.craftbukkit.v1_7_R3.inventory.CraftItemFactory;
 import org.bukkit.inventory.ItemStack;
 import org.junit.BeforeClass;
 import org.junit.Test;