Started working on Folia support

.github/label-commenter-config.yml

@@ -1,8 +1,8 @@
 comment:
   footer: "\
-    ----<br><br>
-    > [!NOTE]<br>
-    > *This is an automated response created by a **GitHub Action***<br>
+    ----\n\n
+    > **Note**\n
+    > *This is an automated response created by a **GitHub Action***\n
     > *Mentioning the bot won't have any effect!*
     "
 

build.gradle.kts

@@ -26,7 +26,7 @@ dependencies {
     implementation("org.bstats:bstats-bukkit:3.0.1")
     implementation("net.kyori:adventure-platform-bukkit:4.3.0")
 
-    compileOnly("org.spigotmc:spigot-api:1.20-R0.1-SNAPSHOT")
+    compileOnlyApi("dev.folia:folia-api:1.19.4-R0.1-SNAPSHOT") // this is temp
     compileOnlyApi("org.jetbrains:annotations:23.0.0")
 
     testImplementation("org.openjdk.jmh:jmh-core:1.32")
@@ -38,8 +38,8 @@ dependencies {
 
 
 java {
-    sourceCompatibility = JavaVersion.VERSION_1_8
-    targetCompatibility = JavaVersion.VERSION_1_8
+    sourceCompatibility = JavaVersion.VERSION_17 // this is temp
+    targetCompatibility = JavaVersion.VERSION_17 // this is temp
 
     withJavadocJar()
     withSourcesJar()

src/main/java/me/clip/placeholderapi/PlaceholderAPIPlugin.java

@@ -162,7 +162,7 @@ public final class PlaceholderAPIPlugin extends JavaPlugin {
 
     HandlerList.unregisterAll(this);
 
-    Bukkit.getScheduler().cancelTasks(this);
+    Bukkit.getAsyncScheduler().cancelTasks(this); // this is hopefully temp
 
     adventure.close();
     adventure = null;

src/main/java/me/clip/placeholderapi/commands/impl/cloud/CommandECloudDownload.java

@@ -20,7 +20,6 @@
 
 package me.clip.placeholderapi.commands.impl.cloud;
 
-import java.util.Arrays;
 import java.util.List;
 import java.util.Optional;
 import java.util.stream.Stream;
@@ -38,25 +37,6 @@ public final class CommandECloudDownload extends PlaceholderCommand {
     super("download");
   }
 
-  private boolean isBlockedExpansion(String name) {
-    String env = System.getenv("PAPI_BLOCKED_EXPANSIONS");
-    if (env == null) {
-      return false;
-    }
-
-    return Arrays.stream(env.split(","))
-            .anyMatch(s -> s.equalsIgnoreCase(name));
-  }
-
-  private boolean areUnverifiedExpansionsAllowed(@NotNull final PlaceholderAPIPlugin plugin) {
-    String env = System.getenv("PAPI_ALLOW_UNVERIFIED_EXPANSIONS");
-    if (env != null) {
-      return env.equalsIgnoreCase("true");
-    }
-
-    return plugin.getPlaceholderAPIConfig().cloudAllowUnverifiedExpansions();
-  }
-
   @Override
   public void evaluate(@NotNull final PlaceholderAPIPlugin plugin,
       @NotNull final CommandSender sender, @NotNull final String alias,
@@ -67,12 +47,6 @@ public final class CommandECloudDownload extends PlaceholderCommand {
       return;
     }
 
-    if (isBlockedExpansion(params.get(0))) {
-      Msg.msg(sender,
-          "&cThis expansion can't be downloaded.");
-      return;
-    }
-
     final CloudExpansion expansion = plugin.getCloudExpansionManager()
         .findCloudExpansionByName(params.get(0)).orElse(null);
     if (expansion == null) {
@@ -81,11 +55,6 @@ public final class CommandECloudDownload extends PlaceholderCommand {
       return;
     }
 
-    if (!expansion.isVerified() && !this.areUnverifiedExpansionsAllowed(plugin)) {
-      Msg.msg(sender, "&cThe expansion '&f" + params.get(0) + "&c' is not verified and can only be downloaded manually from &fhttps://placeholderapi.com/ecloud");
-      return;
-    }
-
     final CloudExpansion.Version version;
     if (params.size() < 2) {
       version = expansion.getVersion(expansion.getLatestVersion());
@@ -117,7 +86,9 @@ public final class CommandECloudDownload extends PlaceholderCommand {
                   .getVersion() + "] &ato file: &f" + file.getName(),
               "&aMake sure to type &f/papi reload &ato enable your new expansion!");
 
-          plugin.getCloudExpansionManager().load();
+          plugin.getCloudExpansionManager().clean();
+          plugin.getCloudExpansionManager()
+              .fetch(plugin.getPlaceholderAPIConfig().cloudAllowUnverifiedExpansions());
         });
   }
 

src/main/java/me/clip/placeholderapi/commands/impl/cloud/CommandECloudRefresh.java

@@ -38,7 +38,9 @@ public final class CommandECloudRefresh extends PlaceholderCommand {
   public void evaluate(@NotNull final PlaceholderAPIPlugin plugin,
       @NotNull final CommandSender sender, @NotNull final String alias,
       @NotNull @Unmodifiable final List<String> params) {
-    plugin.getCloudExpansionManager().load();
+    plugin.getCloudExpansionManager().clean();
+    plugin.getCloudExpansionManager()
+        .fetch(plugin.getPlaceholderAPIConfig().cloudAllowUnverifiedExpansions());
 
     Msg.msg(sender,
         "&aThe eCloud manager has been refreshed!");

src/main/java/me/clip/placeholderapi/commands/impl/local/CommandExpansionRegister.java

@@ -54,7 +54,7 @@ public final class CommandExpansionRegister extends PlaceholderCommand {
     final LocalExpansionManager manager = plugin.getLocalExpansionManager();
 
     final File file = new File(manager.getExpansionsFolder(), params.get(0));
-    if (!file.exists() || !file.getParentFile().equals(manager.getExpansionsFolder())) {
+    if (!file.exists()) {
       Msg.msg(sender,
           "&cThe file &f" + file.getName() + "&c doesn't exist!");
       return;

src/main/java/me/clip/placeholderapi/expansion/NMSVersion.java

@@ -46,8 +46,7 @@ public enum NMSVersion {
   SPIGOT_1_18_R1("v1_18_R1"),
   SPIGOT_1_19_R1("v1_19_R1"),
   SPIGOT_1_19_R2("v1_19_R2"),
-  SPIGOT_1_19_R3("v1_19_R3"),
-  SPIGOT_1_20_R1("v1_20_R1");
+  SPIGOT_1_19_R3("v1_19_R3");
 
   private final String version;
 

src/main/java/me/clip/placeholderapi/expansion/PlaceholderExpansion.java

@@ -40,14 +40,6 @@ import org.jetbrains.annotations.Nullable;
  */
 public abstract class PlaceholderExpansion extends PlaceholderHook {
 
-  /**
-   * The type is {@link Type#INTERNAL} by default.
-   * For external expansions, the type is updated on {@link me.clip.placeholderapi.expansion.manager.LocalExpansionManager#register(Class) register}.
-   * @since 2.11.4
-   */
-  @ApiStatus.Internal
-  protected Type expansionType = Type.INTERNAL;
-
   /**
    * The placeholder identifier of this expansion. May not contain {@literal %},
    * {@literal {}} or _
@@ -167,27 +159,6 @@ public abstract class PlaceholderExpansion extends PlaceholderHook {
     return PlaceholderAPIPlugin.getInstance();
   }
 
-  /**
-   * Get the type of the expansion
-   *
-   * @return the type of the expansion
-   * @since 2.11.4
-   */
-  @ApiStatus.Internal
-  public Type getExpansionType() {
-    return expansionType;
-  }
-
-  /**
-   * Set the type of the expansion
-   * @param expansionType the new type
-   * @since 2.11.4
-   */
-  @ApiStatus.Internal
-  public void setExpansionType(Type expansionType) {
-    this.expansionType = expansionType;
-  }
-
   // === Configuration ===
   
   /**
@@ -195,7 +166,7 @@ public abstract class PlaceholderExpansion extends PlaceholderHook {
    * null when not specified.
    * <br>You may use the {@link Configurable} interface to define default values set
    * 
-   * @return ConfigurationSection that this expansion has.
+   * @return ConfigurationSection that this epxpansion has.
    */
   @Nullable
   public final ConfigurationSection getConfigSection() {
@@ -423,8 +394,8 @@ public abstract class PlaceholderExpansion extends PlaceholderHook {
    */
   @Override
   public final String toString() {
-    return String.format("PlaceholderExpansion[name: '%s', author: '%s', version: '%s', type: '%s']", getName(),
-        getAuthor(), getVersion(), getExpansionType());
+    return String.format("PlaceholderExpansion[name: '%s', author: '%s', version: '%s']", getName(),
+        getAuthor(), getVersion());
   }
 
   // === Deprecated API ===
@@ -461,19 +432,4 @@ public abstract class PlaceholderExpansion extends PlaceholderHook {
   public String getLink() {
     return null;
   }
-
-  public enum Type {
-
-    /**
-     * An expansion provided by a plugin is considered internal
-     */
-    INTERNAL,
-
-    /**
-     * An expansion loaded from the expansions folder is considered external
-     */
-    EXTERNAL
-
-  }
-
 }

src/main/java/me/clip/placeholderapi/expansion/manager/CloudExpansionManager.java

@@ -100,7 +100,7 @@ public final class CloudExpansionManager {
 
   public void load() {
     clean();
-    fetch();
+    fetch(plugin.getPlaceholderAPIConfig().cloudAllowUnverifiedExpansions());
   }
 
   public void kill() {
@@ -170,7 +170,7 @@ public final class CloudExpansionManager {
     await.clear();
   }
 
-  public void fetch() {
+  public void fetch(final boolean allowUnverified) {
     plugin.getLogger().info("Fetching available expansion information...");
 
     ASYNC_EXECUTOR.submit(
@@ -190,6 +190,9 @@ public final class CloudExpansionManager {
                   || expansion.getVersion(expansion.getLatestVersion()) == null) {
                 toRemove.add(entry.getKey());
               }
+              if (!allowUnverified && !expansion.isVerified()) {
+                toRemove.add(entry.getKey());
+              }
             }
 
             for (String name : toRemove) {
@@ -200,13 +203,7 @@ public final class CloudExpansionManager {
             plugin.getLogger().log(Level.WARNING, "Failed to download expansion information", e);
           }
 
-          // loop through what's left on the main thread
-          plugin
-              .getServer()
-              .getScheduler()
-              .runTask(
-                  plugin,
-                  () -> {
+          //todo: Figure out why this was being scheduled back on the main thread
           try {
             for (Map.Entry<String, CloudExpansion> entry : values.entrySet()) {
               String name = entry.getKey();
@@ -234,7 +231,6 @@ public final class CloudExpansionManager {
                     .log(Level.WARNING, "Failed to download expansion information", e);
           }
         });
-        });
   }
 
   public boolean isDownloading(@NotNull final CloudExpansion expansion) {

src/main/java/me/clip/placeholderapi/expansion/manager/LocalExpansionManager.java

@@ -188,8 +188,6 @@ public final class LocalExpansionManager implements Listener {
         }
       }
       
-      expansion.setExpansionType(PlaceholderExpansion.Type.EXTERNAL);
-      
       if (!expansion.register()) {
         Msg.warn("Cannot load expansion %s due to an unknown issue.", expansion.getIdentifier());
         return Optional.empty();
@@ -211,11 +209,6 @@ public final class LocalExpansionManager implements Listener {
     return Optional.empty();
   }
 
-  /**
-   * Attempt to register a {@link PlaceholderExpansion}
-   * @param expansion the expansion to register
-   * @return if the expansion was registered
-   */
   @ApiStatus.Internal
   public boolean register(@NotNull final PlaceholderExpansion expansion) {
     final String identifier = expansion.getIdentifier().toLowerCase(Locale.ROOT);
@@ -224,9 +217,9 @@ public final class LocalExpansionManager implements Listener {
       return false;
     }
     
-    // Avoid loading two external expansions with the same identifier
-    if (expansion.getExpansionType() == PlaceholderExpansion.Type.EXTERNAL && expansions.containsKey(identifier)) {
-      Msg.warn("Failed to load external expansion %s. Identifier is already in use.", expansion.getIdentifier());
+    if (expansions.containsKey(identifier)) {
+      Msg.warn("Failed to load expansion %s. Identifier is already in use.",
+          expansion.getIdentifier());
       return false;
     }
 
@@ -276,12 +269,13 @@ public final class LocalExpansionManager implements Listener {
       return false;
     }
 
-    final ExpansionRegisterEvent event = new ExpansionRegisterEvent(expansion);
-    Bukkit.getPluginManager().callEvent(event);
-
-    if (event.isCancelled()) {
-      return false;
-    }
+// this is temp
+//    final ExpansionRegisterEvent event = new ExpansionRegisterEvent(expansion);
+//    Bukkit.getPluginManager().callEvent(event);
+//
+//    if (event.isCancelled()) {
+//      return false;
+//    }
 
     expansionsLock.lock();
     try {
@@ -294,24 +288,21 @@ public final class LocalExpansionManager implements Listener {
       Bukkit.getPluginManager().registerEvents(((Listener) expansion), plugin);
     }
     
-    Msg.info(
-            "Successfully registered %s expansion: %s [%s]",
-            expansion.getExpansionType().name().toLowerCase(),
-            expansion.getIdentifier(),
-            expansion.getVersion()
-    );
+    Msg.info("Successfully registered expansion: %s [%s]", expansion.getIdentifier(),
+        expansion.getVersion());
 
     if (expansion instanceof Taskable) {
       ((Taskable) expansion).start();
     }
 
-    // Check eCloud for updates only if the expansion is external
-    if (plugin.getPlaceholderAPIConfig().isCloudEnabled() && expansion.getExpansionType() == PlaceholderExpansion.Type.EXTERNAL) {
-      final Optional<CloudExpansion> cloudExpansionOptional = plugin.getCloudExpansionManager().findCloudExpansionByName(identifier);
+    if (plugin.getPlaceholderAPIConfig().isCloudEnabled()) {
+      final Optional<CloudExpansion> cloudExpansionOptional =
+          plugin.getCloudExpansionManager().findCloudExpansionByName(identifier);
       if (cloudExpansionOptional.isPresent()) {
         CloudExpansion cloudExpansion = cloudExpansionOptional.get();
         cloudExpansion.setHasExpansion(true);
-        cloudExpansion.setShouldUpdate(!cloudExpansion.getLatestVersion().equals(expansion.getVersion()));
+        cloudExpansion.setShouldUpdate(
+            !cloudExpansion.getLatestVersion().equals(expansion.getVersion()));
       }
     }
 

src/main/java/me/clip/placeholderapi/updatechecker/UpdateChecker.java

@@ -24,6 +24,7 @@ import java.io.BufferedReader;
 import java.io.InputStreamReader;
 import java.net.URL;
 import java.util.Arrays;
+import java.util.concurrent.CompletableFuture;
 import javax.net.ssl.HttpsURLConnection;
 import me.clip.placeholderapi.PlaceholderAPIPlugin;
 import me.clip.placeholderapi.util.Msg;
@@ -54,8 +55,10 @@ public class UpdateChecker implements Listener {
     return spigotVersion;
   }
 
+  //todo: Figure out a better approach for this?
   public void fetch() {
-    Bukkit.getScheduler().runTaskAsynchronously(plugin, () -> {
+    CompletableFuture<Boolean> update = new CompletableFuture<>();
+    CompletableFuture.supplyAsync(() -> {
       try {
         HttpsURLConnection con = (HttpsURLConnection) new URL(
                 "https://api.spigotmc.org/legacy/update.php?resource=" + RESOURCE_ID).openConnection();
@@ -63,26 +66,32 @@ public class UpdateChecker implements Listener {
         spigotVersion = new BufferedReader(new InputStreamReader(con.getInputStream())).readLine();
       } catch (Exception ex) {
         plugin.getLogger().info("Failed to check for updates on spigot.");
-        return;
+        return false;
       }
 
       if (spigotVersion == null || spigotVersion.isEmpty()) {
-        return;
+        plugin.getLogger().info("Failed to check for updates on spigot.");
+        return false;
       }
 
       updateAvailable = spigotIsNewer();
 
       if (!updateAvailable) {
-        return;
+        plugin.getLogger().info("PlaceholderAPI is up to date.");
+        return false;
       }
 
-      Bukkit.getScheduler().runTask(plugin, () -> {
+      return true;
+    });
+
+    update.whenComplete((result, error) -> {
+      if (result) {
         plugin.getLogger()
                 .info("An update for PlaceholderAPI (v" + getSpigotVersion() + ") is available at:");
         plugin.getLogger()
                 .info("https://www.spigotmc.org/resources/placeholderapi." + RESOURCE_ID + "/");
-        Bukkit.getPluginManager().registerEvents(this, plugin);
-      });
+        Bukkit.getPluginManager().registerEvents(UpdateChecker.this, plugin);
+      }
     });
   }
 

src/main/java/me/clip/placeholderapi/util/Futures.java

@@ -40,11 +40,7 @@ public final class Futures {
       @NotNull final CompletableFuture<T> future,
       @NotNull final BiConsumer<T, Throwable> consumer) {
     future.whenComplete((value, exception) -> {
-      if (Bukkit.isPrimaryThread()) {
       consumer.accept(value, exception);
-      } else {
-        Bukkit.getScheduler().runTask(plugin, () -> consumer.accept(value, exception));
-      }
     });
   }
 

src/main/resources/plugin.yml

@@ -4,6 +4,8 @@ main: "me.clip.placeholderapi.PlaceholderAPIPlugin"
 version: ${version}
 author: HelpChat
 
+folia-supported: true
+
 api-version: "1.13"
 description: "An awesome placeholder provider!"