Replacement of some deprecated method (#672)

- PlainComponentSerializer -> PlainTextComponentSerializer
- BinaryTagHolder#of -> BinaryTagHolder#binaryTagHolder

api/src/main/java/com/velocitypowered/api/event/ResultedEvent.java

@@ -10,7 +10,8 @@ package com.velocitypowered.api.event;
 import com.google.common.base.Preconditions;
 import java.util.Optional;
 import net.kyori.adventure.text.Component;
-import net.kyori.adventure.text.serializer.plain.PlainComponentSerializer;
+import net.kyori.adventure.text.serializer.plain.PlainTextComponentSerializer;
+
 import org.checkerframework.checker.nullness.qual.Nullable;
 
 /**
@@ -109,7 +110,7 @@ public interface ResultedEvent<R extends ResultedEvent.Result> {
         return "allowed";
       }
       if (reason != null) {
-        return "denied: " + PlainComponentSerializer.plain().serialize(reason);
+        return "denied: " + PlainTextComponentSerializer.plainText().serialize(reason);
       }
       return "denied";
     }

proxy/src/main/java/com/velocitypowered/proxy/VelocityServer.java

@@ -282,7 +282,7 @@ public class VelocityServer implements ProxyServer, ForwardingAudience {
       logger.error("Encountered an I/O error whilst loading translations", e);
       return;
     }
-    GlobalTranslator.get().addSource(translationRegistry);
+    GlobalTranslator.translator().addSource(translationRegistry);
   }
 
   @SuppressFBWarnings("DM_EXIT")

proxy/src/main/java/com/velocitypowered/proxy/connection/client/ConnectedPlayer.java

@@ -92,11 +92,13 @@ import net.kyori.adventure.platform.facet.FacetPointers;
 import net.kyori.adventure.platform.facet.FacetPointers.Type;
 import net.kyori.adventure.pointer.Pointers;
 import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.KeybindComponent;
 import net.kyori.adventure.text.TranslatableComponent;
+import net.kyori.adventure.text.flattener.ComponentFlattener;
 import net.kyori.adventure.text.format.NamedTextColor;
 import net.kyori.adventure.text.serializer.gson.GsonComponentSerializer;
 import net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer;
-import net.kyori.adventure.text.serializer.plain.PlainComponentSerializer;
+import net.kyori.adventure.text.serializer.plain.PlainTextComponentSerializer;
 import net.kyori.adventure.title.Title.Times;
 import net.kyori.adventure.title.TitlePart;
 import net.kyori.adventure.translation.GlobalTranslator;
@@ -110,8 +112,12 @@ import org.jetbrains.annotations.NotNull;
 public class ConnectedPlayer implements MinecraftConnectionAssociation, Player {
 
   private static final int MAX_PLUGIN_CHANNELS = 1024;
-  private static final PlainComponentSerializer PASS_THRU_TRANSLATE = new PlainComponentSerializer(
-      c -> "", TranslatableComponent::key);
+  private static final PlainTextComponentSerializer PASS_THRU_TRANSLATE = PlainTextComponentSerializer.builder()
+    .flattener(ComponentFlattener.basic().toBuilder()
+      .mapper(KeybindComponent.class, c -> "")
+      .mapper(TranslatableComponent.class, TranslatableComponent::key)
+      .build())
+    .build();
   static final PermissionProvider DEFAULT_PERMISSIONS = s -> PermissionFunction.ALWAYS_UNDEFINED;
 
   private static final Logger logger = LogManager.getLogger(ConnectedPlayer.class);

proxy/src/main/java/com/velocitypowered/proxy/protocol/netty/GS4QueryHandler.java

@@ -45,7 +45,8 @@ import java.util.List;
 import java.util.Optional;
 import java.util.concurrent.TimeUnit;
 import java.util.stream.Collectors;
-import net.kyori.adventure.text.serializer.plain.PlainComponentSerializer;
+import net.kyori.adventure.text.serializer.plain.PlainTextComponentSerializer;
+
 import org.apache.logging.log4j.LogManager;
 
 public class GS4QueryHandler extends SimpleChannelInboundHandler<DatagramPacket> {
@@ -83,7 +84,7 @@ public class GS4QueryHandler extends SimpleChannelInboundHandler<DatagramPacket>
 
   private QueryResponse createInitialResponse() {
     return QueryResponse.builder()
-        .hostname(PlainComponentSerializer.plain().serialize(server.getConfiguration().getMotd()))
+        .hostname(PlainTextComponentSerializer.plainText().serialize(server.getConfiguration().getMotd()))
         .gameVersion(ProtocolVersion.SUPPORTED_VERSION_STRING)
         .map(server.getConfiguration().getQueryMap())
         .currentPlayers(server.getPlayerCount())

proxy/src/main/java/com/velocitypowered/proxy/protocol/packet/LegacyDisconnect.java

@@ -23,7 +23,7 @@ import com.velocitypowered.api.proxy.server.ServerPing.Players;
 import com.velocitypowered.proxy.protocol.packet.legacyping.LegacyMinecraftPingVersion;
 import net.kyori.adventure.text.TextComponent;
 import net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer;
-import net.kyori.adventure.text.serializer.plain.PlainComponentSerializer;
+import net.kyori.adventure.text.serializer.plain.PlainTextComponentSerializer;
 
 public class LegacyDisconnect {
 
@@ -54,7 +54,7 @@ public class LegacyDisconnect {
         // remove all section symbols, along with fetching just the first line of an (unformatted)
         // MOTD.
         return new LegacyDisconnect(String.join(LEGACY_COLOR_CODE,
-            cleanSectionSymbol(getFirstLine(PlainComponentSerializer.plain().serialize(
+            cleanSectionSymbol(getFirstLine(PlainTextComponentSerializer.plainText().serialize(
                 response.getDescriptionComponent()))),
             Integer.toString(players.getOnline()),
             Integer.toString(players.getMax())));

proxy/src/main/java/com/velocitypowered/proxy/protocol/util/VelocityLegacyHoverEventSerializer.java

@@ -29,7 +29,7 @@ import net.kyori.adventure.text.event.HoverEvent;
 import net.kyori.adventure.text.event.HoverEvent.ShowEntity;
 import net.kyori.adventure.text.event.HoverEvent.ShowItem;
 import net.kyori.adventure.text.serializer.gson.LegacyHoverEventSerializer;
-import net.kyori.adventure.text.serializer.plain.PlainComponentSerializer;
+import net.kyori.adventure.text.serializer.plain.PlainTextComponentSerializer;
 import net.kyori.adventure.util.Codec.Decoder;
 import net.kyori.adventure.util.Codec.Encoder;
 import org.checkerframework.checker.nullness.qual.NonNull;
@@ -54,7 +54,7 @@ public class VelocityLegacyHoverEventSerializer implements LegacyHoverEventSeria
   @Override
   public HoverEvent.@NonNull ShowItem deserializeShowItem(@NonNull Component input)
       throws IOException {
-    String snbt = PlainComponentSerializer.plain().serialize(input);
+    String snbt = PlainTextComponentSerializer.plainText().serialize(input);
     CompoundBinaryTag item = TagStringIO.get().asCompound(snbt);
 
     Key key;
@@ -66,13 +66,13 @@ public class VelocityLegacyHoverEventSerializer implements LegacyHoverEventSeria
     }
 
     byte count = item.getByte("Count", (byte) 1);
-    return ShowItem.of(key, count, BinaryTagHolder.of(snbt));
+    return ShowItem.of(key, count, BinaryTagHolder.binaryTagHolder(snbt));
   }
 
   @Override
   public HoverEvent.@NonNull ShowEntity deserializeShowEntity(@NonNull Component input,
       Decoder<Component, String, ? extends RuntimeException> componentDecoder) throws IOException {
-    String snbt = PlainComponentSerializer.plain().serialize(input);
+    String snbt = PlainTextComponentSerializer.plainText().serialize(input);
     CompoundBinaryTag item = TagStringIO.get().asCompound(snbt);
 
     Component name;