More work

.lift.toml

@@ -0,0 +1,4 @@
+jdkVersion = "17"
+build = "gradle clean build -x test"
+tools = ["findsecbugs", "ErrorProne", "Semgrep", "Detekt", "Infer"]
+ignoreRules = ["CatchAndPrintStackTrace", "ReferenceEquality", "FallThrough", "FutureReturnValueIgnored", "MixedMutabilityReturnType", "EmptyCatch", "MissingCasesInEnumSwitch", "OperatorPrecedence", "StaticAssignmentInConstructor", "ReferenceEquality", "EqualsHashCode", "EqualsGetClass"]

Bukkit/src/main/java/com/plotsquared/bukkit/BukkitPlatform.java

@@ -218,6 +218,7 @@ public final class BukkitPlatform extends JavaPlugin implements Listener, PlotPl
     private PlatformWorldManager<World> worldManager;
     private Locale serverLocale;
 
+    @SuppressWarnings("StringSplitter")
     @Override
     public int @NonNull [] serverVersion() {
         if (this.version == null) {
@@ -970,7 +971,6 @@ public final class BukkitPlatform extends JavaPlugin implements Listener, PlotPl
                                                 }
                                                 iterator.remove();
                                                 entity.remove();
-                                                continue;
                                             }
                                         }
                                     } else {
@@ -982,7 +982,6 @@ public final class BukkitPlatform extends JavaPlugin implements Listener, PlotPl
                                             }
                                             iterator.remove();
                                             entity.remove();
-                                            continue;
                                         }
                                     }
                                 }
@@ -1223,7 +1222,7 @@ public final class BukkitPlatform extends JavaPlugin implements Listener, PlotPl
 
     @Override
     @NonNull
-    @SuppressWarnings("ALL")
+    @SuppressWarnings("unchecked")
     public PlayerManager<? extends PlotPlayer<Player>, ? extends Player> playerManager() {
         return (PlayerManager<BukkitPlayer, Player>) injector().getInstance(PlayerManager.class);
     }

Bukkit/src/main/java/com/plotsquared/bukkit/entity/ReplicatingEntityWrapper.java

@@ -461,6 +461,7 @@ public final class ReplicatingEntityWrapper extends EntityWrapper {
         this.tamed.tamed = tamed.isTamed();
     }
 
+    @SuppressWarnings("deprecation") // Paper deprecation
     @Override
     public Entity spawn(World world, int xOffset, int zOffset) {
         Location location = new Location(world, this.getX() + xOffset, this.getY(), this.z + zOffset);

Bukkit/src/main/java/com/plotsquared/bukkit/inject/WorldManagerModule.java

@@ -36,6 +36,7 @@ import org.bukkit.World;
 
 public class WorldManagerModule extends AbstractModule {
 
+    @SuppressWarnings("removal") // Internal use only
     @Provides
     @Singleton
     PlatformWorldManager<World> provideWorldManager() {

Bukkit/src/main/java/com/plotsquared/bukkit/listener/PaperListener113.java

@@ -36,7 +36,6 @@ import com.plotsquared.core.plot.world.PlotAreaManager;
 import net.kyori.adventure.text.minimessage.Template;
 import org.bukkit.block.Banner;
 import org.bukkit.block.Beacon;
-import org.bukkit.block.Bed;
 import org.bukkit.block.BlockState;
 import org.bukkit.block.CommandBlock;
 import org.bukkit.block.Comparator;
@@ -51,6 +50,7 @@ import org.bukkit.block.Jukebox;
 import org.bukkit.block.Sign;
 import org.bukkit.block.Skull;
 import org.bukkit.block.Structure;
+import org.bukkit.block.data.type.Bed;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.block.BlockPlaceEvent;
 import org.checkerframework.checker.nullness.qual.NonNull;

Bukkit/src/main/java/com/plotsquared/bukkit/listener/PlayerEventListener.java

@@ -224,6 +224,7 @@ public class PlayerEventListener extends PlotListener implements Listener {
         }
     }
 
+    @SuppressWarnings("StringSplitter")
     @EventHandler(ignoreCancelled = true, priority = EventPriority.HIGHEST)
     public void playerCommand(PlayerCommandPreprocessEvent event) {
         String msg = event.getMessage().toLowerCase().replaceAll("/", "").trim();
@@ -379,6 +380,7 @@ public class PlayerEventListener extends PlotListener implements Listener {
         this.eventDispatcher.doRespawnTask(pp);
     }
 
+    @SuppressWarnings("deprecation") // We explicitly want #getHomeSynchronous here
     @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
     public void onTeleport(PlayerTeleportEvent event) {
         Player player = event.getPlayer();
@@ -1667,6 +1669,7 @@ public class PlayerEventListener extends PlotListener implements Listener {
         }
     }
 
+    @SuppressWarnings("deprecation") // #getLocate is needed for Spigot compatibility
     @EventHandler
     public void onLocaleChange(final PlayerLocaleChangeEvent event) {
         // The event is fired before the player is deemed online upon login

Bukkit/src/main/java/com/plotsquared/bukkit/listener/SingleWorldListener.java

@@ -43,7 +43,6 @@ import java.lang.reflect.Method;
 
 import static com.plotsquared.core.util.ReflectionUtils.getRefClass;
 
-@SuppressWarnings("unused")
 public class SingleWorldListener implements Listener {
 
     private final Method methodGetHandleChunk;

Bukkit/src/main/java/com/plotsquared/bukkit/player/BukkitPlayer.java

@@ -162,6 +162,7 @@ public class BukkitPlayer extends PlotPlayer<Player> {
         }
     }
 
+    @SuppressWarnings("StringSplitter")
     @Override
     @NonNegative
     public int hasPermissionRange(
@@ -319,7 +320,7 @@ public class BukkitPlayer extends PlotPlayer<Player> {
         if (id == ItemTypes.AIR) {
             // Let's just stop all the discs because why not?
             for (final Sound sound : Arrays.stream(Sound.values())
-                    .filter(sound -> sound.name().contains("DISC")).collect(Collectors.toList())) {
+                    .filter(sound -> sound.name().contains("DISC")).toList()) {
                 player.stopSound(sound);
             }
             // this.player.playEffect(BukkitUtil.getLocation(location), Effect.RECORD_PLAY, Material.AIR);
@@ -331,6 +332,7 @@ public class BukkitPlayer extends PlotPlayer<Player> {
         }
     }
 
+    @SuppressWarnings("deprecation") // Needed for Spigot compatibility
     @Override
     public void kick(final String message) {
         this.player.kickPlayer(message);

Bukkit/src/main/java/com/plotsquared/bukkit/queue/BukkitQueueCoordinator.java

@@ -199,7 +199,7 @@ public class BukkitQueueCoordinator extends BasicQueueCoordinator {
                     }
                 }
                 if (localChunk.getTiles().size() > 0) {
-                    localChunk.getTiles().forEach(((blockVector3, tag) -> {
+                    localChunk.getTiles().forEach((blockVector3, tag) -> {
                         try {
                             BaseBlock block = getWorld().getBlock(blockVector3).toBaseBlock(tag);
                             getWorld().setBlock(blockVector3, block, noSideEffectSet);
@@ -207,7 +207,7 @@ public class BukkitQueueCoordinator extends BasicQueueCoordinator {
                             StateWrapper sw = new StateWrapper(tag);
                             sw.restoreTag(getWorld().getName(), blockVector3.getX(), blockVector3.getY(), blockVector3.getZ());
                         }
-                    }));
+                    });
                 }
                 if (localChunk.getEntities().size() > 0) {
                     localChunk.getEntities().forEach((location, entity) -> getWorld().createEntity(location, entity));

Bukkit/src/main/java/com/plotsquared/bukkit/schematic/StateWrapper.java

@@ -166,6 +166,7 @@ public class StateWrapper {
         return str;
     }
 
+    @SuppressWarnings("deprecation") // #setLine is needed for Spigot compatibility
     public boolean restoreTag(String worldName, int x, int y, int z) {
         if (this.tag == null) {
             return false;

Bukkit/src/main/java/com/plotsquared/bukkit/util/BukkitInventoryUtil.java

@@ -77,6 +77,7 @@ public class BukkitInventoryUtil extends InventoryUtil {
         return stack;
     }
 
+    @SuppressWarnings("deprecation") // Paper deprecation
     @Override
     public void open(PlotInventory inv) {
         BukkitPlayer bp = (BukkitPlayer) inv.getPlayer();
@@ -113,6 +114,7 @@ public class BukkitInventoryUtil extends InventoryUtil {
         bp.player.updateInventory();
     }
 
+    @SuppressWarnings("deprecation") // Paper deprecation
     public PlotItemStack getItem(ItemStack item) {
         if (item == null) {
             return null;
@@ -145,6 +147,7 @@ public class BukkitInventoryUtil extends InventoryUtil {
                 .toArray(PlotItemStack[]::new);
     }
 
+    @SuppressWarnings("deprecation") // #getTitle is needed for Spigot compatibility
     @Override
     public boolean isOpen(PlotInventory plotInventory) {
         if (!plotInventory.isOpen()) {

Bukkit/src/main/java/com/plotsquared/bukkit/util/UpdateUtility.java

@@ -61,6 +61,7 @@ public class UpdateUtility implements Listener {
         internalVersion = PlotSquared.get().getVersion();
     }
 
+    @SuppressWarnings({"deprecation", "DefaultCharset"}) // Suppress Json deprecation, we can't use features from gson 2.8.1 and newer yet
     public void updateChecker() {
         task = Bukkit.getScheduler().runTaskTimerAsynchronously(this.javaPlugin, () -> {
             try {
@@ -68,7 +69,7 @@ public class UpdateUtility implements Listener {
                         "https://api.spigotmc.org/simple/0.1/index.php?action=getResource&id=77506")
                         .openConnection();
                 connection.setRequestMethod("GET");
-                JsonObject result = (new JsonParser())
+                JsonObject result = new JsonParser()
                         .parse(new JsonReader(new InputStreamReader(connection.getInputStream())))
                         .getAsJsonObject();
                 spigotVersion = result.get("current_version").getAsString();
@@ -91,7 +92,7 @@ public class UpdateUtility implements Listener {
                 notify = false;
                 LOGGER.info("Congratulations! You are running the latest PlotSquared version");
             }
-        }, 0L, Settings.UpdateChecker.POLL_RATE * 60 * 20);
+        }, 0L, (long) Settings.UpdateChecker.POLL_RATE * 60 * 20);
     }
 
     private void cancelTask() {

Bukkit/src/main/java/com/plotsquared/bukkit/util/fawe/FaweSchematicHandler.java

@@ -75,6 +75,7 @@ public class FaweSchematicHandler extends SchematicHandler {
         return delegate.save(tag, path);
     }
 
+    @SuppressWarnings("removal") // Just the override
     @Override
     public void upload(final CompoundTag tag, final UUID uuid, final String file, final RunnableVal<URL> whenDone) {
         delegate.upload(tag, uuid, file, whenDone);

Core/src/main/java/com/plotsquared/core/player/MetaDataAccess.java

@@ -53,7 +53,7 @@ public abstract class MetaDataAccess<T> implements AutoCloseable {
         this.lockAccess = lockAccess;
     }
 
-    @SuppressWarnings("ALL")
+    @SuppressWarnings("unchecked")
     private static <E extends Throwable> void sneakyThrow(final Throwable e) throws E {
         throw (E) e;
     }

Core/src/main/java/com/plotsquared/core/plot/flag/FlagContainer.java

@@ -96,7 +96,7 @@ public class FlagContainer {
     }
 
     /**
-     * Cast a plot flag with wildcard parameters into a parametrisized
+     * Cast a plot flag with wildcard parameters into a parametrized
      * PlotFlag. This is an unsafe operation, and should only be performed
      * if the generic parameters are known beforehand.
      *
@@ -105,7 +105,7 @@ public class FlagContainer {
      * @param <T>  Flag type
      * @return Casted flag
      */
-    @SuppressWarnings("ALL")
+    @SuppressWarnings("unchecked")
     public static <V, T extends PlotFlag<V, ?>> T castUnsafe(
             final PlotFlag<?, ?> flag
     ) {
@@ -181,6 +181,7 @@ public class FlagContainer {
      * @param <V>  flag value type
      * @return value of flag removed
      */
+    @SuppressWarnings("unchecked")
     public <V, T extends PlotFlag<V, ?>> V removeFlag(final T flag) {
         final Object value = this.flagMap.remove(flag.getClass());
         if (this.plotFlagUpdateHandler != null) {

Core/src/main/java/com/plotsquared/core/util/EntityUtil.java

@@ -73,6 +73,7 @@ public class EntityUtil {
         return i;
     }
 
+    @SuppressWarnings("unchecked")
     public static boolean checkEntity(Plot plot, PlotFlag<Integer, ?>... flags) {
         if (Settings.Done.RESTRICT_BUILDING && DoneFlag.isDone(plot)) {
             return true;