Migrate placeholder to gradle as well

Author: AlexProgrammerDE

PistonQueuePlaceholder/.gitignore

@@ -0,0 +1,35 @@
+plugins {
+    `java-library`
+    `maven-publish`
+}
+
+repositories {
+    maven {
+        url = uri("https://hub.spigotmc.org/nexus/content/repositories/snapshots/")
+    }
+    maven {
+        url = uri("https://repo.extendedclip.com/content/repositories/placeholderapi/")
+    }
+    maven {
+        url = uri("https://papermc.io/repo/repository/maven-public/")
+    }
+    mavenCentral()
+}
+
+dependencies {
+    compileOnly("org.spigotmc:spigot-api:1.18.1-R0.1-SNAPSHOT")
+    compileOnly("me.clip:placeholderapi:2.11.3")
+
+    compileOnly("org.projectlombok:lombok:1.18.30")
+    annotationProcessor("org.projectlombok:lombok:1.18.30")
+}
+
+group = "net.pistonmaster"
+version = "3.0.0-SNAPSHOT"
+description = "PistonQueuePlaceholder"
+java.sourceCompatibility = JavaVersion.VERSION_1_8
+java.targetCompatibility = JavaVersion.VERSION_1_8
+
+tasks.withType<JavaCompile> {
+    options.encoding = "UTF-8"
+}

PistonQueuePlaceholder/build.gradle.kts

@@ -0,0 +1 @@
+rootProject.name = "PistonQueuePlaceholder"

PistonQueuePlaceholder/pom.xml

@@ -32,7 +32,7 @@ public boolean canRegister() {
     }
 
     @Override
-    public String onRequest(OfflinePlayer player, String identifier) {
+    public String onRequest(OfflinePlayer player, @NotNull String identifier) {
         for (Map.Entry<String, Integer> entry : plugin.getOnlineQueue().entrySet()) {
             if (identifier.equalsIgnoreCase("online_queue_" + entry.getKey())) {
                 return String.valueOf(entry.getValue());

PistonQueuePlaceholder/settings.gradle.kts

@@ -2,7 +2,6 @@
 
 import com.google.common.io.ByteArrayDataInput;
 import com.google.common.io.ByteStreams;
-import io.papermc.lib.PaperLib;
 import lombok.Getter;
 import org.bukkit.ChatColor;
 import org.bukkit.entity.Player;
@@ -66,10 +65,19 @@ public void onPluginMessageReceived(String channel, @NotNull Player player, byte
     }
 
     private void checkIfBungee() {
-        if (!PaperLib.isSpigot()) {
-            getLogger().severe(ChatColor.RED + "You probably run CraftBukkit. Update at least to spigot for this plugin to work!");
+        if (!isSpigot()) {
+            getLogger().severe(ChatColor.RED + "You probably run CraftBukkit. Update at least to Spigot for this plugin to work!");
             getLogger().severe(ChatColor.RED + "Plugin disabled!");
             getServer().getPluginManager().disablePlugin(this);
         }
     }
+
+    private boolean isSpigot() {
+        try {
+            Class.forName("org.spigotmc.SpigotConfig");
+            return true;
+        } catch (ClassNotFoundException e) {
+            return false;
+        }
+    }
 }

PistonQueuePlaceholder/src/main/java/net/pistonmaster/pistonqueue/placeholder/PAPIExpansion.java

@@ -38,6 +38,8 @@ dependencyResolutionManagement {
 
 rootProject.name = "PistonQueue"
 
+includeBuild("PistonQueuePlaceholder")
+
 setOf(
     "build-data",
     "shared",