Handle custom name in newer versions without serializing from/to JSON

NMS/Interfaces/src/main/java/com/gmail/filoghost/holographicdisplays/nms/interfaces/ChatComponentAdapter.java

@@ -0,0 +1,35 @@
+/*
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *  
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *  GNU General Public License for more details.
+ *  
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+package com.gmail.filoghost.holographicdisplays.nms.interfaces;
+
+import java.util.List;
+
+public interface ChatComponentAdapter<T> {
+	
+	T cast(Object chatComponentObject);
+	
+	String getText(T chatComponent);
+	
+	List<T> getSiblings(T chatComponent);
+	
+	void addSibling(T chatComponent, T newSibling);
+	
+	default T cloneComponent(T chatComponent) {
+		return cloneComponent(chatComponent, getText(chatComponent));
+	}
+	
+	T cloneComponent(T chatComponent, String newText);
+	
+}

NMS/Interfaces/src/main/java/com/gmail/filoghost/holographicdisplays/nms/interfaces/CustomNameHelper.java

@@ -0,0 +1,80 @@
+/*
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *  
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *  GNU General Public License for more details.
+ *  
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+package com.gmail.filoghost.holographicdisplays.nms.interfaces;
+
+import java.util.List;
+
+public class CustomNameHelper {
+	
+	
+	public static String replaceCustomNameString(Object customNameObject, String target, String replacement) {
+		String customName = (String) customNameObject;
+		if (customName.contains(target)) {
+			return customName.replace(target, replacement);
+		} else {
+			return customName;
+		}
+	}
+	
+	public static <T> T replaceCustomNameChatComponent(ChatComponentAdapter<T> versionAdapter, Object customNameObject, String target, String replacement) {
+		// Custom name is expected to be a ChatComponentText with empty text and child components (called "siblings") that do not contain more components.
+		T rootComponent = versionAdapter.cast(customNameObject);
+		if (!versionAdapter.getText(rootComponent).isEmpty()) {
+			throw new IllegalArgumentException("Expected root component with empty text");
+		}
+		
+		boolean[] childrenContainingTarget = null;
+		List<T> children = versionAdapter.getSiblings(rootComponent);
+		int childrenSize = children.size();
+		
+		for (int i = 0; i < childrenSize; i++) {
+			T childComponent = versionAdapter.cast(children.get(i));
+
+			if (!versionAdapter.getSiblings(childComponent).isEmpty()) {
+				throw new IllegalArgumentException("Expected child component without sub-nodes");
+			}
+			
+			if (versionAdapter.getText(childComponent).contains(target)) {
+				// Lazy initialization for performance, since this method can be called frequently.
+				if (childrenContainingTarget == null) {
+					childrenContainingTarget = new boolean[childrenSize];
+				}
+				childrenContainingTarget[i] = true;
+			}
+		}
+		
+		if (childrenContainingTarget == null) {
+			// No match found, return original unmodified object.
+			return rootComponent;
+		}
+		
+		// Clone all the objects and apply replacements where needed.
+		T clonedRoot = versionAdapter.cloneComponent(rootComponent);
+		for (int i = 0; i < childrenSize; i++) {
+			T childComponent = children.get(i);
+			
+			String newText = versionAdapter.getText(childComponent);
+			if (childrenContainingTarget[i]) {
+				newText = newText.replace(target, replacement);
+			}
+			
+			T clonedChild = versionAdapter.cloneComponent(childComponent, newText);
+			versionAdapter.addSibling(clonedRoot, clonedChild);
+		}
+		
+		return clonedRoot;
+	}
+
+}

NMS/Interfaces/src/main/java/com/gmail/filoghost/holographicdisplays/nms/interfaces/NMSManager.java

@@ -40,4 +40,6 @@ public interface NMSManager {
 
 	public org.bukkit.entity.Entity getEntityFromID(org.bukkit.World bukkitWorld, int entityID);
 
+	public Object replaceCustomNameText(Object customNameObject, String target, String replacement);
+
 }

NMS/Interfaces/src/main/java/com/gmail/filoghost/holographicdisplays/nms/interfaces/entity/NMSNameable.java

@@ -16,10 +16,13 @@ package com.gmail.filoghost.holographicdisplays.nms.interfaces.entity;
 
 public interface NMSNameable extends NMSEntityBase {
 	
-	// Sets a custom name for this entity.
+	// Sets a custom name as a String.
 	public void setCustomNameNMS(String name);
 	
-	// Returns the custom name of this entity.
+	// Returns the custom name as a String.
-	public String getCustomNameNMS();
+	public String getCustomNameStringNMS();
+
+	// Returns the custom name as version-dependent NMS object (String for MC 1.12 and below, ChatComponent for MC 1.13+ a ChatComponent).
+	public Object getCustomNameObjectNMS();
 	
 }

NMS/v1_10_R1/src/main/java/com/gmail/filoghost/holographicdisplays/nms/v1_10_R1/EntityNMSArmorStand.java

@@ -174,10 +174,15 @@ public class EntityNMSArmorStand extends EntityArmorStand implements NMSArmorSta
 	}
 	
 	@Override
-	public String getCustomNameNMS() {
+	public String getCustomNameStringNMS() {
 		return this.customName;
 	}
 	
+	@Override
+	public Object getCustomNameObjectNMS() {
+		return super.getCustomName();
+	}
+	
 	@Override
 	public void setLockTick(boolean lock) {
 		lockTick = lock;

NMS/v1_10_R1/src/main/java/com/gmail/filoghost/holographicdisplays/nms/v1_10_R1/NmsManagerImpl.java

@@ -25,6 +25,7 @@ import org.bukkit.inventory.ItemStack;
 import com.gmail.filoghost.holographicdisplays.api.line.HologramLine;
 import com.gmail.filoghost.holographicdisplays.api.line.ItemLine;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.ItemPickupManager;
+import com.gmail.filoghost.holographicdisplays.nms.interfaces.CustomNameHelper;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.NMSManager;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.entity.NMSArmorStand;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.entity.NMSEntityBase;
@@ -146,5 +147,10 @@ public class NmsManagerImpl implements NMSManager {
 		
 		return nmsEntity.getBukkitEntity();
 	}
+	
+	@Override
+	public Object replaceCustomNameText(Object customNameObject, String target, String replacement) {
+		return CustomNameHelper.replaceCustomNameString(customNameObject, target, replacement);
+	}
 
 }

NMS/v1_11_R1/src/main/java/com/gmail/filoghost/holographicdisplays/nms/v1_11_R1/EntityNMSArmorStand.java

@@ -183,10 +183,15 @@ public class EntityNMSArmorStand extends EntityArmorStand implements NMSArmorSta
 	}
 	
 	@Override
-	public String getCustomNameNMS() {
+	public String getCustomNameStringNMS() {
 		return this.customName;
 	}
 	
+	@Override
+	public Object getCustomNameObjectNMS() {
+		return super.getCustomName();
+	}
+	
 	@Override
 	public void setLockTick(boolean lock) {
 		lockTick = lock;

NMS/v1_11_R1/src/main/java/com/gmail/filoghost/holographicdisplays/nms/v1_11_R1/NmsManagerImpl.java

@@ -24,6 +24,7 @@ import org.bukkit.inventory.ItemStack;
 import com.gmail.filoghost.holographicdisplays.api.line.HologramLine;
 import com.gmail.filoghost.holographicdisplays.api.line.ItemLine;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.ItemPickupManager;
+import com.gmail.filoghost.holographicdisplays.nms.interfaces.CustomNameHelper;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.NMSManager;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.entity.NMSArmorStand;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.entity.NMSEntityBase;
@@ -155,5 +156,10 @@ public class NmsManagerImpl implements NMSManager {
 		
 		return nmsEntity.getBukkitEntity();
 	}
+	
+	@Override
+	public Object replaceCustomNameText(Object customNameObject, String target, String replacement) {
+		return CustomNameHelper.replaceCustomNameString(customNameObject, target, replacement);
+	}
 
 }

NMS/v1_12_R1/src/main/java/com/gmail/filoghost/holographicdisplays/nms/v1_12_R1/EntityNMSArmorStand.java

@@ -183,10 +183,15 @@ public class EntityNMSArmorStand extends EntityArmorStand implements NMSArmorSta
 	}
 	
 	@Override
-	public String getCustomNameNMS() {
+	public String getCustomNameStringNMS() {
 		return this.customName;
 	}
 	
+	@Override
+	public Object getCustomNameObjectNMS() {
+		return super.getCustomName();
+	}
+	
 	@Override
 	public void setLockTick(boolean lock) {
 		lockTick = lock;

NMS/v1_12_R1/src/main/java/com/gmail/filoghost/holographicdisplays/nms/v1_12_R1/NmsManagerImpl.java

@@ -24,6 +24,7 @@ import org.bukkit.inventory.ItemStack;
 import com.gmail.filoghost.holographicdisplays.api.line.HologramLine;
 import com.gmail.filoghost.holographicdisplays.api.line.ItemLine;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.ItemPickupManager;
+import com.gmail.filoghost.holographicdisplays.nms.interfaces.CustomNameHelper;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.NMSManager;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.entity.NMSArmorStand;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.entity.NMSEntityBase;
@@ -156,4 +157,9 @@ public class NmsManagerImpl implements NMSManager {
 		return nmsEntity.getBukkitEntity();
 	}
 	
+	@Override
+	public Object replaceCustomNameText(Object customNameObject, String target, String replacement) {
+		return CustomNameHelper.replaceCustomNameString(customNameObject, target, replacement);
+	}
+	
 }

NMS/v1_13_R1/src/main/java/com/gmail/filoghost/holographicdisplays/nms/v1_13_R1/EntityNMSArmorStand.java

@@ -185,10 +185,15 @@ public class EntityNMSArmorStand extends EntityArmorStand implements NMSArmorSta
 	}
 	
 	@Override
-	public String getCustomNameNMS() {
+	public String getCustomNameStringNMS() {
 		return this.customName;
 	}
 	
+	@Override
+	public Object getCustomNameObjectNMS() {
+		return super.getCustomName();
+	}
+	
 	@Override
 	public void setLockTick(boolean lock) {
 		lockTick = lock;

NMS/v1_13_R1/src/main/java/com/gmail/filoghost/holographicdisplays/nms/v1_13_R1/NmsManagerImpl.java

@@ -16,6 +16,7 @@ package com.gmail.filoghost.holographicdisplays.nms.v1_13_R1;
 
 import java.lang.reflect.Method;
 import java.util.List;
+
 import org.bukkit.Bukkit;
 import org.bukkit.craftbukkit.v1_13_R1.CraftWorld;
 import org.bukkit.craftbukkit.v1_13_R1.entity.CraftEntity;
@@ -23,7 +24,9 @@ import org.bukkit.inventory.ItemStack;
 
 import com.gmail.filoghost.holographicdisplays.api.line.HologramLine;
 import com.gmail.filoghost.holographicdisplays.api.line.ItemLine;
+import com.gmail.filoghost.holographicdisplays.nms.interfaces.ChatComponentAdapter;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.ItemPickupManager;
+import com.gmail.filoghost.holographicdisplays.nms.interfaces.CustomNameHelper;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.NMSManager;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.entity.NMSArmorStand;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.entity.NMSEntityBase;
@@ -33,8 +36,10 @@ import com.gmail.filoghost.holographicdisplays.util.Validator;
 import com.gmail.filoghost.holographicdisplays.util.VersionUtils;
 import com.gmail.filoghost.holographicdisplays.util.reflection.ReflectField;
 
+import net.minecraft.server.v1_13_R1.ChatComponentText;
 import net.minecraft.server.v1_13_R1.Entity;
 import net.minecraft.server.v1_13_R1.EntityTypes;
+import net.minecraft.server.v1_13_R1.IChatBaseComponent;
 import net.minecraft.server.v1_13_R1.MathHelper;
 import net.minecraft.server.v1_13_R1.RegistryID;
 import net.minecraft.server.v1_13_R1.RegistryMaterials;
@@ -168,4 +173,43 @@ public class NmsManagerImpl implements NMSManager {
 		return nmsEntity.getBukkitEntity();
 	}
 	
+	@Override
+	public Object replaceCustomNameText(Object customNameObject, String target, String replacement) {
+		return CustomNameHelper.replaceCustomNameChatComponent(NMSChatComponentAdapter.INSTANCE, customNameObject, target, replacement);
+	}
+	
+	private static enum NMSChatComponentAdapter implements ChatComponentAdapter<IChatBaseComponent> {
+
+		INSTANCE {
+			
+			public ChatComponentText cast(Object chatComponentObject) {
+				return (ChatComponentText) chatComponentObject;
+			}
+			
+			@Override
+			public String getText(IChatBaseComponent chatComponent) {
+				return chatComponent.getText();
+			}
+	
+			@Override
+			public List<IChatBaseComponent> getSiblings(IChatBaseComponent chatComponent) {
+				return chatComponent.a();
+			}
+	
+			@Override
+			public void addSibling(IChatBaseComponent chatComponent, IChatBaseComponent newSibling) {
+				chatComponent.addSibling(newSibling);
+			}
+	
+			@Override
+			public ChatComponentText cloneComponent(IChatBaseComponent chatComponent, String newText) {
+				ChatComponentText clonedChatComponent = new ChatComponentText(newText);
+				clonedChatComponent.setChatModifier(chatComponent.getChatModifier().clone());
+				return clonedChatComponent;
+			}
+			
+		}
+		
+	}
+	
 }

NMS/v1_13_R2/src/main/java/com/gmail/filoghost/holographicdisplays/nms/v1_13_R2/EntityNMSArmorStand.java

@@ -185,10 +185,15 @@ public class EntityNMSArmorStand extends EntityArmorStand implements NMSArmorSta
 	}
 	
 	@Override
-	public String getCustomNameNMS() {
+	public String getCustomNameStringNMS() {
 		return this.customName;
 	}
 	
+	@Override
+	public Object getCustomNameObjectNMS() {
+		return super.getCustomName();
+	}
+	
 	@Override
 	public void setLockTick(boolean lock) {
 		lockTick = lock;

NMS/v1_13_R2/src/main/java/com/gmail/filoghost/holographicdisplays/nms/v1_13_R2/NmsManagerImpl.java

@@ -16,6 +16,7 @@ package com.gmail.filoghost.holographicdisplays.nms.v1_13_R2;
 
 import java.lang.reflect.Method;
 import java.util.List;
+
 import org.bukkit.Bukkit;
 import org.bukkit.craftbukkit.v1_13_R2.CraftWorld;
 import org.bukkit.craftbukkit.v1_13_R2.entity.CraftEntity;
@@ -23,7 +24,9 @@ import org.bukkit.inventory.ItemStack;
 
 import com.gmail.filoghost.holographicdisplays.api.line.HologramLine;
 import com.gmail.filoghost.holographicdisplays.api.line.ItemLine;
+import com.gmail.filoghost.holographicdisplays.nms.interfaces.ChatComponentAdapter;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.ItemPickupManager;
+import com.gmail.filoghost.holographicdisplays.nms.interfaces.CustomNameHelper;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.NMSManager;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.entity.NMSArmorStand;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.entity.NMSEntityBase;
@@ -33,8 +36,10 @@ import com.gmail.filoghost.holographicdisplays.util.Validator;
 import com.gmail.filoghost.holographicdisplays.util.VersionUtils;
 import com.gmail.filoghost.holographicdisplays.util.reflection.ReflectField;
 
+import net.minecraft.server.v1_13_R2.ChatComponentText;
 import net.minecraft.server.v1_13_R2.Entity;
 import net.minecraft.server.v1_13_R2.EntityTypes;
+import net.minecraft.server.v1_13_R2.IChatBaseComponent;
 import net.minecraft.server.v1_13_R2.IRegistry;
 import net.minecraft.server.v1_13_R2.MathHelper;
 import net.minecraft.server.v1_13_R2.RegistryID;
@@ -169,4 +174,43 @@ public class NmsManagerImpl implements NMSManager {
 		return nmsEntity.getBukkitEntity();
 	}
 	
+	@Override
+	public Object replaceCustomNameText(Object customNameObject, String target, String replacement) {
+		return CustomNameHelper.replaceCustomNameChatComponent(NMSChatComponentAdapter.INSTANCE, customNameObject, target, replacement);
+	}
+	
+	private static enum NMSChatComponentAdapter implements ChatComponentAdapter<IChatBaseComponent> {
+
+		INSTANCE {
+			
+			public ChatComponentText cast(Object chatComponentObject) {
+				return (ChatComponentText) chatComponentObject;
+			}
+			
+			@Override
+			public String getText(IChatBaseComponent chatComponent) {
+				return chatComponent.getText();
+			}
+	
+			@Override
+			public List<IChatBaseComponent> getSiblings(IChatBaseComponent chatComponent) {
+				return chatComponent.a();
+			}
+	
+			@Override
+			public void addSibling(IChatBaseComponent chatComponent, IChatBaseComponent newSibling) {
+				chatComponent.addSibling(newSibling);
+			}
+	
+			@Override
+			public ChatComponentText cloneComponent(IChatBaseComponent chatComponent, String newText) {
+				ChatComponentText clonedChatComponent = new ChatComponentText(newText);
+				clonedChatComponent.setChatModifier(chatComponent.getChatModifier().clone());
+				return clonedChatComponent;
+			}
+			
+		}
+		
+	}
+	
 }

NMS/v1_14_R1/pom.xml

@@ -42,7 +42,7 @@
 		<dependency>
 			<groupId>org.spigotmc</groupId>
 			<artifactId>spigot</artifactId>
-			<version>1.14-R0.1-SNAPSHOT</version>
+			<version>1.14.4-R0.1-SNAPSHOT</version>
 			<scope>provided</scope>
 		</dependency>
 	</dependencies>

NMS/v1_14_R1/src/main/java/com/gmail/filoghost/holographicdisplays/nms/v1_14_R1/EntityNMSArmorStand.java

@@ -187,10 +187,15 @@ public class EntityNMSArmorStand extends EntityArmorStand implements NMSArmorSta
 	}
 	
 	@Override
-	public String getCustomNameNMS() {
+	public String getCustomNameStringNMS() {
 		return this.customName;
 	}
 	
+	@Override
+	public Object getCustomNameObjectNMS() {
+		return super.getCustomName();
+	}
+	
 	@Override
 	public void setLockTick(boolean lock) {
 		lockTick = lock;

NMS/v1_14_R1/src/main/java/com/gmail/filoghost/holographicdisplays/nms/v1_14_R1/NmsManagerImpl.java

@@ -14,6 +14,8 @@
  */
 package com.gmail.filoghost.holographicdisplays.nms.v1_14_R1;
 
+import java.util.List;
+
 import org.bukkit.Bukkit;
 import org.bukkit.craftbukkit.v1_14_R1.CraftWorld;
 import org.bukkit.craftbukkit.v1_14_R1.entity.CraftEntity;
@@ -21,6 +23,8 @@ import org.bukkit.inventory.ItemStack;
 
 import com.gmail.filoghost.holographicdisplays.api.line.HologramLine;
 import com.gmail.filoghost.holographicdisplays.api.line.ItemLine;
+import com.gmail.filoghost.holographicdisplays.nms.interfaces.ChatComponentAdapter;
+import com.gmail.filoghost.holographicdisplays.nms.interfaces.CustomNameHelper;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.ItemPickupManager;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.NMSManager;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.entity.NMSArmorStand;
@@ -31,9 +35,12 @@ import com.gmail.filoghost.holographicdisplays.util.Validator;
 import com.gmail.filoghost.holographicdisplays.util.reflection.ReflectField;
 import com.gmail.filoghost.holographicdisplays.util.reflection.ReflectMethod;
 
+import net.minecraft.server.v1_14_R1.ChatBaseComponent;
+import net.minecraft.server.v1_14_R1.ChatComponentText;
 import net.minecraft.server.v1_14_R1.Entity;
 import net.minecraft.server.v1_14_R1.EntityTypes;
 import net.minecraft.server.v1_14_R1.EnumCreatureType;
+import net.minecraft.server.v1_14_R1.IChatBaseComponent;
 import net.minecraft.server.v1_14_R1.IRegistry;
 import net.minecraft.server.v1_14_R1.MathHelper;
 import net.minecraft.server.v1_14_R1.RegistryID;
@@ -148,4 +155,60 @@ public class NmsManagerImpl implements NMSManager {
 		return nmsEntity.getBukkitEntity();
 	}
 	
+	@Override
+	public Object replaceCustomNameText(Object customNameObject, String target, String replacement) {
+		return CustomNameHelper.replaceCustomNameChatComponent(NMSChatComponentAdapter.INSTANCE, customNameObject, target, replacement);
+	}
+	
+	private static enum NMSChatComponentAdapter implements ChatComponentAdapter<IChatBaseComponent> {
+
+		INSTANCE {
+			
+			private boolean useNewGetSiblingsMethod = true;
+			private final ReflectField<List<IChatBaseComponent>> OLD_SIBLINGS_FIELD = new ReflectField<>(ChatBaseComponent.class, "a");
+			
+			public ChatComponentText cast(Object chatComponentObject) {
+				return (ChatComponentText) chatComponentObject;
+			}
+			
+			@Override
+			public String getText(IChatBaseComponent chatComponent) {
+				return chatComponent.getText();
+			}
+	
+			@Override
+			public List<IChatBaseComponent> getSiblings(IChatBaseComponent chatComponent) {
+				if (useNewGetSiblingsMethod) {
+					try {
+						return chatComponent.getSiblings();
+					} catch (NoSuchMethodError e) {
+						// The method was named differently in older 1.14 versions, use workaround.
+						useNewGetSiblingsMethod = false;
+					}
+				}
+				
+				// Access siblings field directly in older 1.14 versions.
+				try {
+					return OLD_SIBLINGS_FIELD.get(chatComponent);
+				} catch (Exception e) {
+					throw new RuntimeException(e);
+				}
+			}
+	
+			@Override
+			public void addSibling(IChatBaseComponent chatComponent, IChatBaseComponent newSibling) {
+				chatComponent.addSibling(newSibling);
+			}
+	
+			@Override
+			public ChatComponentText cloneComponent(IChatBaseComponent chatComponent, String newText) {
+				ChatComponentText clonedChatComponent = new ChatComponentText(newText);
+				clonedChatComponent.setChatModifier(chatComponent.getChatModifier().clone());
+				return clonedChatComponent;
+			}
+			
+		}
+		
+	}
+	
 }

NMS/v1_15_R1/src/main/java/com/gmail/filoghost/holographicdisplays/nms/v1_15_R1/EntityNMSArmorStand.java

@@ -170,9 +170,14 @@ public class EntityNMSArmorStand extends EntityArmorStand implements NMSArmorSta
     }
 
     @Override
-    public String getCustomNameNMS() {
+    public String getCustomNameStringNMS() {
         return this.customName;
     }
+    
+	@Override
+	public Object getCustomNameObjectNMS() {
+		return super.getCustomName();
+	}
 
     @Override
     public void setLockTick(boolean lock) {

NMS/v1_15_R1/src/main/java/com/gmail/filoghost/holographicdisplays/nms/v1_15_R1/NmsManagerImpl.java

@@ -14,6 +14,8 @@
  */
 package com.gmail.filoghost.holographicdisplays.nms.v1_15_R1;
 
+import java.util.List;
+
 import org.bukkit.Bukkit;
 import org.bukkit.craftbukkit.v1_15_R1.CraftWorld;
 import org.bukkit.craftbukkit.v1_15_R1.entity.CraftEntity;
@@ -21,7 +23,9 @@ import org.bukkit.inventory.ItemStack;
 
 import com.gmail.filoghost.holographicdisplays.api.line.HologramLine;
 import com.gmail.filoghost.holographicdisplays.api.line.ItemLine;
+import com.gmail.filoghost.holographicdisplays.nms.interfaces.ChatComponentAdapter;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.ItemPickupManager;
+import com.gmail.filoghost.holographicdisplays.nms.interfaces.CustomNameHelper;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.NMSManager;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.entity.NMSArmorStand;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.entity.NMSEntityBase;
@@ -31,9 +35,11 @@ import com.gmail.filoghost.holographicdisplays.util.Validator;
 import com.gmail.filoghost.holographicdisplays.util.reflection.ReflectField;
 import com.gmail.filoghost.holographicdisplays.util.reflection.ReflectMethod;
 
+import net.minecraft.server.v1_15_R1.ChatComponentText;
 import net.minecraft.server.v1_15_R1.Entity;
 import net.minecraft.server.v1_15_R1.EntityTypes;
 import net.minecraft.server.v1_15_R1.EnumCreatureType;
+import net.minecraft.server.v1_15_R1.IChatBaseComponent;
 import net.minecraft.server.v1_15_R1.IRegistry;
 import net.minecraft.server.v1_15_R1.MathHelper;
 import net.minecraft.server.v1_15_R1.RegistryID;
@@ -148,4 +154,43 @@ public class NmsManagerImpl implements NMSManager {
 		return nmsEntity.getBukkitEntity();
 	}
 	
+	@Override
+	public Object replaceCustomNameText(Object customNameObject, String target, String replacement) {
+		return CustomNameHelper.replaceCustomNameChatComponent(NMSChatComponentAdapter.INSTANCE, customNameObject, target, replacement);
+	}
+	
+	private static enum NMSChatComponentAdapter implements ChatComponentAdapter<IChatBaseComponent> {
+
+		INSTANCE {
+			
+			public ChatComponentText cast(Object chatComponentObject) {
+				return (ChatComponentText) chatComponentObject;
+			}
+			
+			@Override
+			public String getText(IChatBaseComponent chatComponent) {
+				return chatComponent.getText();
+			}
+	
+			@Override
+			public List<IChatBaseComponent> getSiblings(IChatBaseComponent chatComponent) {
+				return chatComponent.getSiblings();
+			}
+	
+			@Override
+			public void addSibling(IChatBaseComponent chatComponent, IChatBaseComponent newSibling) {
+				chatComponent.addSibling(newSibling);
+			}
+	
+			@Override
+			public ChatComponentText cloneComponent(IChatBaseComponent chatComponent, String newText) {
+				ChatComponentText clonedChatComponent = new ChatComponentText(newText);
+				clonedChatComponent.setChatModifier(chatComponent.getChatModifier().clone());
+				return clonedChatComponent;
+			}
+			
+		}
+		
+	}
+	
 }

NMS/v1_8_R2/src/main/java/com/gmail/filoghost/holographicdisplays/nms/v1_8_R2/EntityNMSArmorStand.java

@@ -173,10 +173,15 @@ public class EntityNMSArmorStand extends EntityArmorStand implements NMSArmorSta
 	}
 	
 	@Override
-	public String getCustomNameNMS() {
+	public String getCustomNameStringNMS() {
 		return this.customName;
 	}
 	
+	@Override
+	public Object getCustomNameObjectNMS() {
+		return super.getCustomName();
+	}
+	
 	@Override
 	public void setLockTick(boolean lock) {
 		lockTick = lock;

NMS/v1_8_R2/src/main/java/com/gmail/filoghost/holographicdisplays/nms/v1_8_R2/NmsManagerImpl.java

@@ -26,6 +26,7 @@ import org.bukkit.inventory.ItemStack;
 import com.gmail.filoghost.holographicdisplays.api.line.HologramLine;
 import com.gmail.filoghost.holographicdisplays.api.line.ItemLine;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.ItemPickupManager;
+import com.gmail.filoghost.holographicdisplays.nms.interfaces.CustomNameHelper;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.NMSManager;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.entity.NMSArmorStand;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.entity.NMSEntityBase;
@@ -152,4 +153,9 @@ public class NmsManagerImpl implements NMSManager {
 		return nmsEntity.getBukkitEntity();
 	}
 	
+	@Override
+	public Object replaceCustomNameText(Object customNameObject, String target, String replacement) {
+		return CustomNameHelper.replaceCustomNameString(customNameObject, target, replacement);
+	}
+	
 }

NMS/v1_8_R3/src/main/java/com/gmail/filoghost/holographicdisplays/nms/v1_8_R3/EntityNMSArmorStand.java

@@ -173,10 +173,15 @@ public class EntityNMSArmorStand extends EntityArmorStand implements NMSArmorSta
 	}
 	
 	@Override
-	public String getCustomNameNMS() {
+	public String getCustomNameStringNMS() {
 		return this.customName;
 	}
 	
+	@Override
+	public Object getCustomNameObjectNMS() {
+		return super.getCustomName();
+	}
+	
 	@Override
 	public void setLockTick(boolean lock) {
 		lockTick = lock;

NMS/v1_8_R3/src/main/java/com/gmail/filoghost/holographicdisplays/nms/v1_8_R3/NmsManagerImpl.java

@@ -26,6 +26,7 @@ import org.bukkit.inventory.ItemStack;
 import com.gmail.filoghost.holographicdisplays.api.line.HologramLine;
 import com.gmail.filoghost.holographicdisplays.api.line.ItemLine;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.ItemPickupManager;
+import com.gmail.filoghost.holographicdisplays.nms.interfaces.CustomNameHelper;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.NMSManager;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.entity.NMSArmorStand;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.entity.NMSEntityBase;
@@ -151,5 +152,10 @@ public class NmsManagerImpl implements NMSManager {
 		
 		return nmsEntity.getBukkitEntity();
 	}
+	
+	@Override
+	public Object replaceCustomNameText(Object customNameObject, String target, String replacement) {
+		return CustomNameHelper.replaceCustomNameString(customNameObject, target, replacement);
+	}
 
 }

NMS/v1_9_R1/src/main/java/com/gmail/filoghost/holographicdisplays/nms/v1_9_R1/EntityNMSArmorStand.java

@@ -182,10 +182,15 @@ public class EntityNMSArmorStand extends EntityArmorStand implements NMSArmorSta
 	}
 	
 	@Override
-	public String getCustomNameNMS() {
+	public String getCustomNameStringNMS() {
 		return this.customName;
 	}
 	
+	@Override
+	public Object getCustomNameObjectNMS() {
+		return super.getCustomName();
+	}
+	
 	@Override
 	public void setLockTick(boolean lock) {
 		lockTick = lock;

NMS/v1_9_R1/src/main/java/com/gmail/filoghost/holographicdisplays/nms/v1_9_R1/NmsManagerImpl.java

@@ -25,6 +25,7 @@ import org.bukkit.inventory.ItemStack;
 import com.gmail.filoghost.holographicdisplays.api.line.HologramLine;
 import com.gmail.filoghost.holographicdisplays.api.line.ItemLine;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.ItemPickupManager;
+import com.gmail.filoghost.holographicdisplays.nms.interfaces.CustomNameHelper;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.NMSManager;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.entity.NMSArmorStand;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.entity.NMSEntityBase;
@@ -147,4 +148,9 @@ public class NmsManagerImpl implements NMSManager {
 		return nmsEntity.getBukkitEntity();
 	}
 	
+	@Override
+	public Object replaceCustomNameText(Object customNameObject, String target, String replacement) {
+		return CustomNameHelper.replaceCustomNameString(customNameObject, target, replacement);
+	}
+	
 }

NMS/v1_9_R2/src/main/java/com/gmail/filoghost/holographicdisplays/nms/v1_9_R2/EntityNMSArmorStand.java

@@ -174,10 +174,15 @@ public class EntityNMSArmorStand extends EntityArmorStand implements NMSArmorSta
 	}
 	
 	@Override
-	public String getCustomNameNMS() {
+	public String getCustomNameStringNMS() {
 		return this.customName;
 	}
 	
+	@Override
+	public Object getCustomNameObjectNMS() {
+		return super.getCustomName();
+	}
+	
 	@Override
 	public void setLockTick(boolean lock) {
 		lockTick = lock;

NMS/v1_9_R2/src/main/java/com/gmail/filoghost/holographicdisplays/nms/v1_9_R2/NmsManagerImpl.java

@@ -25,6 +25,7 @@ import org.bukkit.inventory.ItemStack;
 import com.gmail.filoghost.holographicdisplays.api.line.HologramLine;
 import com.gmail.filoghost.holographicdisplays.api.line.ItemLine;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.ItemPickupManager;
+import com.gmail.filoghost.holographicdisplays.nms.interfaces.CustomNameHelper;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.NMSManager;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.entity.NMSArmorStand;
 import com.gmail.filoghost.holographicdisplays.nms.interfaces.entity.NMSEntityBase;
@@ -147,4 +148,9 @@ public class NmsManagerImpl implements NMSManager {
 		return nmsEntity.getBukkitEntity();
 	}
 	
+	@Override
+	public Object replaceCustomNameText(Object customNameObject, String target, String replacement) {
+		return CustomNameHelper.replaceCustomNameString(customNameObject, target, replacement);
+	}
+	
 }

Plugin/src/main/java/com/gmail/filoghost/holographicdisplays/bridge/protocollib/current/MetadataHelper.java

@@ -18,7 +18,6 @@ import java.util.List;
 import java.util.Optional;
 
 import com.comphenix.protocol.utility.MinecraftReflection;
-import com.comphenix.protocol.wrappers.WrappedChatComponent;
 import com.comphenix.protocol.wrappers.WrappedDataWatcher;
 import com.comphenix.protocol.wrappers.WrappedDataWatcher.Registry;
 import com.comphenix.protocol.wrappers.WrappedDataWatcher.Serializer;
@@ -82,6 +81,12 @@ public class MetadataHelper {
 		}
 	}
 	
+	
+	public void setEntityStatus(WrappedDataWatcher dataWatcher, byte statusBitmask) {
+		requireMinimumVersion(NMSVersion.v1_9_R1);
+		dataWatcher.setObject(new WrappedDataWatcherObject(entityStatusIndex, byteSerializer), statusBitmask);
+	}
+	
 
 	public WrappedWatchableObject getCustomNameWacthableObject(WrappedDataWatcher metadata) {
 		return metadata.getWatchableObject(customNameIndex);
@@ -101,54 +106,45 @@ public class MetadataHelper {
 	}
 	
 	
-	public String getSerializedCustomName(WrappedWatchableObject customNameWatchableObject) {
+	public Object getCustomNameNMSObject(WrappedWatchableObject customNameWatchableObject) {
-		Object customNameWatchableObjectValue = customNameWatchableObject.getValue();
+		Object customNameNMSObject = customNameWatchableObject.getRawValue();
+		if (customNameNMSObject == null) {
+			return null;
+		}
 		
 		if (NMSVersion.isGreaterEqualThan(NMSVersion.v1_13_R1)) {
-			if (!(customNameWatchableObjectValue instanceof Optional)) {
+			if (!(customNameNMSObject instanceof Optional)) {
-				return null;
+				throw new IllegalArgumentException("Expected custom name of type " + Optional.class);
 			}
 			
-			Optional<?> customNameOptional = (Optional<?>) customNameWatchableObjectValue;
+			return ((Optional<?>) customNameNMSObject).orElse(null);
-			if (!customNameOptional.isPresent()) {
+			
-				return null;
+		} else {			
+			if (!(customNameNMSObject instanceof String)) {
+				throw new IllegalArgumentException("Expected custom name of type " + String.class);
 			}
 			
-			WrappedChatComponent componentWrapper = WrappedChatComponent.fromHandle(customNameOptional.get());
+			return (String) customNameNMSObject;
-			return componentWrapper.getJson();
-			
-		} else {
-			if (!(customNameWatchableObjectValue instanceof String)) {
-				return null;
-			}
-			
-			return (String) customNameWatchableObjectValue;
 		}
 	}
 	
 	
-	public void setSerializedCustomName(WrappedWatchableObject customNameWatchableObject, String serializedCustomName) {
+	public void setCustomNameNMSObject(WrappedWatchableObject customNameWatchableObject, Object customNameNMSObject) {
 		if (NMSVersion.isGreaterEqualThan(NMSVersion.v1_13_R1)) {
-			customNameWatchableObject.setValue(Optional.of(WrappedChatComponent.fromJson(serializedCustomName).getHandle()));
+			customNameWatchableObject.setValue(Optional.ofNullable(customNameNMSObject));
 		} else {
-			customNameWatchableObject.setValue(serializedCustomName);
+			customNameWatchableObject.setValue(customNameNMSObject);
 		}
 	}
-	
-
-	public void setEntityStatus(WrappedDataWatcher dataWatcher, byte statusBitmask) {
-		requireMinimumVersion(NMSVersion.v1_9_R1);
-		dataWatcher.setObject(new WrappedDataWatcherObject(entityStatusIndex, byteSerializer), statusBitmask);
-	}
 
 	
-	public void setCustomName(WrappedDataWatcher dataWatcher, String customName) {
+	public void setCustomNameNMSObject(WrappedDataWatcher dataWatcher, Object customNameNMSObject) {
 		requireMinimumVersion(NMSVersion.v1_9_R1);
 		
 		if (NMSVersion.isGreaterEqualThan(NMSVersion.v1_13_R1)) {
-			dataWatcher.setObject(new WrappedDataWatcherObject(customNameIndex, chatComponentSerializer), Optional.of(WrappedChatComponent.fromText(customName).getHandle()));
+			dataWatcher.setObject(new WrappedDataWatcherObject(customNameIndex, chatComponentSerializer), Optional.ofNullable(customNameNMSObject));
 		} else {
-			dataWatcher.setObject(new WrappedDataWatcherObject(customNameIndex, stringSerializer), customName);
+			dataWatcher.setObject(new WrappedDataWatcherObject(customNameIndex, stringSerializer), customNameNMSObject);
 		}
 	}
 

Plugin/src/main/java/com/gmail/filoghost/holographicdisplays/bridge/protocollib/current/PacketHelper.java

@@ -56,9 +56,9 @@ public class PacketHelper {
 			
 			metadataHelper.setEntityStatus(dataWatcher, (byte) 0x20); // Invisible
 
-			String customName = armorStand.getCustomNameNMS();
+			String customName = armorStand.getCustomNameStringNMS();
 			if (customName != null && !customName.isEmpty()) {
-				metadataHelper.setCustomName(dataWatcher, customName);
+				metadataHelper.setCustomNameNMSObject(dataWatcher, armorStand.getCustomNameObjectNMS());
 				metadataHelper.setCustomNameVisible(dataWatcher, true);
 			}
 			

Plugin/src/main/java/com/gmail/filoghost/holographicdisplays/bridge/protocollib/current/ProtocolLibHookImpl.java

@@ -196,19 +196,25 @@ public class ProtocolLibHookImpl implements ProtocolLibHook {
 	
 	private boolean replaceRelativePlaceholders(WrappedWatchableObject customNameWatchableObject, Player player, Collection<RelativePlaceholder> relativePlaceholders) {
 		if (customNameWatchableObject == null) {
-			return true;
-		}
-		
-		String customName = metadataHelper.getSerializedCustomName(customNameWatchableObject);
-		if (customName == null) {
 			return false;
 		}
 		
-		for (RelativePlaceholder relativePlaceholder : relativePlaceholders) {
+		final Object originalCustomNameNMSObject = metadataHelper.getCustomNameNMSObject(customNameWatchableObject);
-			customName = customName.replace(relativePlaceholder.getTextPlaceholder(), relativePlaceholder.getReplacement(player));
+		if (originalCustomNameNMSObject == null) {
+			return false;
 		}
 		
-		metadataHelper.setSerializedCustomName(customNameWatchableObject, customName);
+		Object replacedCustomNameNMSObject = originalCustomNameNMSObject;
+		for (RelativePlaceholder relativePlaceholder : relativePlaceholders) {
+			replacedCustomNameNMSObject = nmsManager.replaceCustomNameText(replacedCustomNameNMSObject, relativePlaceholder.getTextPlaceholder(), relativePlaceholder.getReplacement(player));
+		}
+		
+		if (replacedCustomNameNMSObject == originalCustomNameNMSObject) {
+			// It means nothing has been replaced, since original custom name has been returned.
+			return false;
+		}
+		
+		metadataHelper.setCustomNameNMSObject(customNameWatchableObject, replacedCustomNameNMSObject);
 		return true;
 	}
 	

Plugin/src/main/java/com/gmail/filoghost/holographicdisplays/placeholder/PlaceholdersManager.java

@@ -345,7 +345,7 @@ public class PlaceholdersManager {
 	
 	
 	private static void updatePlaceholders(DynamicLineData lineData) {
-		String oldCustomName = lineData.getEntity().getCustomNameNMS();
+		String oldCustomName = lineData.getEntity().getCustomNameStringNMS();
 		String newCustomName = lineData.getOriginalName();
 		
 		if (!lineData.getPlaceholders().isEmpty()) {