feat: support 1.17.1+ brigadier on Paper

README.md

@@ -22,7 +22,7 @@ Uniform _currently_ targets the following platforms:
 | Platform      | Artifact           | Minecraft  |  Java  |
 |---------------|--------------------|:----------:|:------:|
 | Common        | `uniform-common`   |     -      | \>`17` |
-| Paper         | `uniform-paper`    | \>`1.20.6` | \>`21` |
+| Paper         | `uniform-paper`    | \>`1.17.1` | \>`21` |
 | Velocity      | `uniform-velocity` | \>`3.3.0`  | \>`17` |
 | Fabric 1.20.1 | `uniform-fabric`   | =`1.20.1`  | \>`17` |
 | Fabric 1.20.6 | `uniform-fabric`   | =`1.20.6`  | \>`21` |

common/src/main/java/net/william278/uniform/Graph.java

@@ -21,7 +21,6 @@
 
 package net.william278.uniform;
 
-import com.mojang.brigadier.Command;
 import com.mojang.brigadier.builder.LiteralArgumentBuilder;
 import com.mojang.brigadier.tree.CommandNode;
 import com.mojang.brigadier.tree.LiteralCommandNode;

example-plugin/build.gradle

@@ -4,8 +4,7 @@ plugins {
 }
 
 dependencies {
-    // implementation(project(":paper"))
-    implementation(project(":bukkit"))
+     implementation(project(":paper"))
 
     compileOnly 'io.papermc.paper:paper-api:1.20.6-R0.1-SNAPSHOT'
 }

example-plugin/src/main/java/net/william278/uniform/UniformExample.java

@@ -21,15 +21,15 @@
 
 package net.william278.uniform;
 
-import net.william278.uniform.bukkit.BukkitUniform;
+import net.william278.uniform.paper.PaperUniform;
 import org.bukkit.plugin.java.JavaPlugin;
 
 @SuppressWarnings("unused")
 public class UniformExample extends JavaPlugin {
 
     @Override
-    public void onLoad() {
-        BukkitUniform uniform = BukkitUniform.getInstance(this);
+    public void onEnable() {
+        PaperUniform uniform = PaperUniform.getInstance(this);
         uniform.register(new ExampleCommand());
     }
 

example-plugin/src/main/resources/paper-plugin.yml

@@ -1,4 +1,4 @@
 name: UniformExample
 version: 1.0
-api-version: "1.20"
+api-version: "1.19"
 main: net.william278.uniform.UniformExample

paper/src/main/java/net/william278/uniform/paper/LegacyPaperCommand.java

@@ -0,0 +1,86 @@
+/*
+ * This file is part of Uniform, licensed under the GNU General Public License v3.0.
+ *
+ *  Copyright (c) Tofaa2
+ *  Copyright (c) William278 <will27528@gmail.com>
+ *  Copyright (c) contributors
+ *
+ *  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 net.william278.uniform.paper;
+
+import com.destroystokyo.paper.brigadier.BukkitBrigadierCommandSource;
+import com.destroystokyo.paper.event.brigadier.CommandRegisteredEvent;
+import com.mojang.brigadier.builder.LiteralArgumentBuilder;
+import com.mojang.brigadier.tree.LiteralCommandNode;
+import lombok.AllArgsConstructor;
+import net.william278.uniform.BaseCommand;
+import net.william278.uniform.Command;
+import net.william278.uniform.CommandUser;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.plugin.java.JavaPlugin;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.List;
+import java.util.Set;
+
+@SuppressWarnings({"removal", "deprecation", "UnstableApiUsage"})
+public class LegacyPaperCommand extends BaseCommand<BukkitBrigadierCommandSource> {
+
+    public LegacyPaperCommand(@NotNull Command command) {
+        super(command);
+    }
+
+    public LegacyPaperCommand(@NotNull String name, @NotNull List<String> aliases) {
+        super(name, aliases);
+    }
+
+    public LegacyPaperCommand(@NotNull String name, @NotNull String description, @NotNull List<String> aliases) {
+        super(name, description, aliases);
+    }
+
+    @Override
+    @NotNull
+    protected CommandUser getUser(@NotNull Object user) {
+        return new LegacyPaperCommandUser((BukkitBrigadierCommandSource) user);
+    }
+
+    @Override
+    public void addSubCommand(@NotNull Command command) {
+        addSubCommand(new LegacyPaperCommand(command));
+    }
+
+    @AllArgsConstructor
+    static class Registrar implements Listener {
+        @NotNull
+        private final JavaPlugin plugin;
+        @NotNull
+        private final Set<LegacyPaperCommand> commands;
+
+        @EventHandler
+        public void commandRegisterEvent(CommandRegisteredEvent<BukkitBrigadierCommandSource> event) {
+            commands.forEach(command -> {
+                final LiteralCommandNode<BukkitBrigadierCommandSource> built = command.build();
+                event.getRoot().addChild(built);
+                command.getAliases().forEach(alias -> event.getRoot().addChild(
+                    LiteralArgumentBuilder.<BukkitBrigadierCommandSource>literal(alias).redirect(built).build()
+                ));
+            });
+            commands.clear();
+        }
+    }
+
+}

paper/src/main/java/net/william278/uniform/paper/LegacyPaperCommandUser.java

@@ -0,0 +1,53 @@
+/*
+ * This file is part of Uniform, licensed under the GNU General Public License v3.0.
+ *
+ *  Copyright (c) Tofaa2
+ *  Copyright (c) William278 <will27528@gmail.com>
+ *  Copyright (c) contributors
+ *
+ *  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 net.william278.uniform.paper;
+
+import com.destroystokyo.paper.brigadier.BukkitBrigadierCommandSource;
+import net.kyori.adventure.audience.Audience;
+import net.william278.uniform.CommandUser;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.UUID;
+
+@SuppressWarnings("removal")
+public record LegacyPaperCommandUser(@NotNull BukkitBrigadierCommandSource source) implements CommandUser {
+
+    @Override
+    @NotNull
+    public Audience getAudience() {
+        return source.getBukkitSender();
+    }
+
+    @Override
+    @Nullable
+    public String getName() {
+        return source.getBukkitEntity() != null ? source.getBukkitEntity().getName() : null;
+    }
+
+    @Override
+    @Nullable
+    public UUID getUuid() {
+        return source.getBukkitEntity() != null ? source.getBukkitEntity().getUniqueId() : null;
+    }
+
+}

paper/src/main/java/net/william278/uniform/paper/PaperCommand.java

@@ -23,6 +23,7 @@ package net.william278.uniform.paper;
 
 import com.mojang.brigadier.exceptions.CommandSyntaxException;
 import io.papermc.paper.command.brigadier.CommandSourceStack;
+import io.papermc.paper.plugin.lifecycle.event.types.LifecycleEvents;
 import net.william278.uniform.BaseCommand;
 import net.william278.uniform.Command;
 import net.william278.uniform.CommandUser;
@@ -30,10 +31,12 @@ import net.william278.uniform.element.ArgumentElement;
 import org.bukkit.Bukkit;
 import org.bukkit.Material;
 import org.bukkit.entity.Player;
+import org.bukkit.plugin.java.JavaPlugin;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.Collection;
 import java.util.List;
+import java.util.Set;
 
 @SuppressWarnings({"unused", "UnstableApiUsage"})
 public class PaperCommand extends BaseCommand<CommandSourceStack> {
@@ -50,6 +53,18 @@ public class PaperCommand extends BaseCommand<CommandSourceStack> {
         super(name, description, aliases);
     }
 
+    static void register(@NotNull JavaPlugin plugin, @NotNull Set<PaperCommand> commands) {
+        plugin.getLifecycleManager().registerEventHandler(LifecycleEvents.COMMANDS, (event) -> {
+            commands.forEach(command -> event.registrar().register(
+                plugin.getPluginMeta(),
+                command.build(),
+                command.getDescription(),
+                command.getAliases()
+            ));
+            commands.clear();
+        });
+    }
+
     public static ArgumentElement<CommandSourceStack, Material> material(String name) {
         return new ArgumentElement<>(name, reader -> {
             String materialName = reader.readString();

paper/src/main/java/net/william278/uniform/paper/PaperUniform.java

@@ -22,10 +22,7 @@
 package net.william278.uniform.paper;
 
 import com.google.common.collect.Sets;
-import io.papermc.paper.command.brigadier.CommandSourceStack;
-import io.papermc.paper.plugin.lifecycle.event.types.LifecycleEvents;
 import net.william278.uniform.Command;
-import net.william278.uniform.Uniform;
 import org.bukkit.plugin.java.JavaPlugin;
 import org.jetbrains.annotations.NotNull;
 
@@ -38,23 +35,30 @@ import java.util.Set;
  *
  * @since 1.0
  */
-@SuppressWarnings("UnstableApiUsage")
-public final class PaperUniform implements Uniform<CommandSourceStack, PaperCommand> {
+public final class PaperUniform {
 
     private static PaperUniform INSTANCE;
 
+    private final Set<LegacyPaperCommand> legacyCommands = Sets.newHashSet();
     private final Set<PaperCommand> commands = Sets.newHashSet();
 
     private PaperUniform(@NotNull JavaPlugin plugin) {
-        plugin.getLifecycleManager().registerEventHandler(LifecycleEvents.COMMANDS, (event) -> {
-            commands.forEach(command -> event.registrar().register(
-                plugin.getPluginMeta(),
-                command.build(),
-                command.getDescription(),
-                command.getAliases()
-            ));
-            commands.clear();
-        });
+        if (isUseModernApi()) {
+            PaperCommand.register(plugin, commands);
+        } else {
+            plugin.getServer().getPluginManager().registerEvents(
+                new LegacyPaperCommand.Registrar(plugin, legacyCommands), plugin
+            );
+        }
+    }
+
+    private static boolean isUseModernApi() {
+        try {
+            Class.forName("io.papermc.paper.command.brigadier.CommandSourceStack");
+            return true;
+        } catch (ClassNotFoundException e) {
+            return false;
+        }
     }
 
     /**
@@ -75,20 +79,32 @@ public final class PaperUniform implements Uniform<CommandSourceStack, PaperComm
      * @param commands The commands to register
      * @since 1.0
      */
-    @Override
-    public void register(@NotNull PaperCommand... commands) {
+    public void register(PaperCommand... commands) {
         Collections.addAll(this.commands, commands);
     }
 
+    /**
+     * Register a command to be added to the server's command manager
+     *
+     * @param commands The commands to register
+     * @since 1.0
+     */
+    public void register(LegacyPaperCommand... commands) {
+        Collections.addAll(this.legacyCommands, commands);
+    }
+
     /**
      * Register command(s) to be added to the server's command manager
      *
      * @param commands The commands to register
      * @since 1.0
      */
-    @Override
     public void register(@NotNull Command... commands) {
+        if (isUseModernApi()) {
             register(Arrays.stream(commands).map(PaperCommand::new).toArray(PaperCommand[]::new));
+        } else {
+            register(Arrays.stream(commands).map(LegacyPaperCommand::new).toArray(LegacyPaperCommand[]::new));
+        }
     }
 
 }