replace usages of switch over keyed enums

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

@@ -72,6 +72,7 @@ import net.kyori.adventure.text.minimessage.Template;
 import org.bukkit.Bukkit;
 import org.bukkit.GameMode;
 import org.bukkit.Material;
+import org.bukkit.Tag;
 import org.bukkit.block.Block;
 import org.bukkit.block.BlockFace;
 import org.bukkit.block.BlockState;
@@ -113,11 +114,20 @@ import org.checkerframework.checker.nullness.qual.NonNull;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Objects;
+import java.util.Set;
 import java.util.UUID;
 
 @SuppressWarnings("unused")
 public class BlockEventListener implements Listener {
 
+    private static final Set<Material> PISTONS = Set.of(
+            Material.PISTON,
+            Material.STICKY_PISTON
+    );
+    private static final Set<Material> PHYSICS_BLOCKS = Set.of(
+            Material.TURTLE_EGG,
+            Material.TURTLE_SPAWN_EGG
+    );
     private final PlotAreaManager plotAreaManager;
     private final WorldEdit worldEdit;
 
@@ -223,50 +233,26 @@ public class BlockEventListener implements Listener {
             plot.debug("Prevented block physics and resent block change because disable-physics = true");
             return;
         }
-        switch (event.getChangedType()) {
+        if (event.getChangedType() == Material.COMPARATOR || PHYSICS_BLOCKS.contains(event.getChangedType())) {
-            case COMPARATOR: {
             if (!plot.getFlag(RedstoneFlag.class)) {
                 event.setCancelled(true);
                 plot.debug("Prevented comparator update because redstone = false");
             }
             return;
         }
-            case ANVIL:
-            case DRAGON_EGG:
-            case GRAVEL:
-            case SAND:
-            case TURTLE_EGG:
-            case TURTLE_HELMET:
-            case TURTLE_SPAWN_EGG: {
-                if (plot.getFlag(DisablePhysicsFlag.class)) {
-                    event.setCancelled(true);
-                    plot.debug("Prevented block physics because disable-physics = true");
-                }
-                return;
-            }
-            default:
         if (Settings.Redstone.DETECT_INVALID_EDGE_PISTONS) {
-                    switch (block.getType()) {
+            if (PISTONS.contains(block.getType())) {
-                        case PISTON, STICKY_PISTON -> {
                 org.bukkit.block.data.Directional piston = (org.bukkit.block.data.Directional) block.getBlockData();
-                            switch (piston.getFacing()) {
+                final BlockFace facing = piston.getFacing();
-                                case EAST -> location = location.add(1, 0, 0);
+                location = location.add(facing.getModX(), facing.getModY(), facing.getModZ());
-                                case SOUTH -> location = location.add(-1, 0, 0);
-                                case WEST -> location = location.add(0, 0, 1);
-                                case NORTH -> location = location.add(0, 0, -1);
-                            }
                 Plot newPlot = area.getOwnedPlotAbs(location);
                 if (!plot.equals(newPlot)) {
                     event.setCancelled(true);
                     plot.debug("Prevented piston update because of invalid edge piston detection");
-                                return;
                 }
             }
         }
     }
-                break;
-        }
-    }
 
     @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
     public void blockCreate(BlockPlaceEvent event) {
@@ -555,17 +541,14 @@ public class BlockEventListener implements Listener {
             event.setCancelled(true);
             return;
         }
-        switch (event.getNewState().getType()) {
+        if (Tag.SNOW.isTagged(event.getNewState().getType())) {
-            case SNOW:
-            case SNOW_BLOCK:
             if (!plot.getFlag(SnowFormFlag.class)) {
                 plot.debug("Snow could not form because snow-form = false");
                 event.setCancelled(true);
             }
             return;
-            case ICE:
+        }
-            case FROSTED_ICE:
+        if (Tag.ICE.isTagged(event.getNewState().getType())) {
-            case PACKED_ICE:
             if (!plot.getFlag(IceFormFlag.class)) {
                 plot.debug("Ice could not form because ice-form = false");
                 event.setCancelled(true);
@@ -590,18 +573,12 @@ public class BlockEventListener implements Listener {
             return;
         }
         Class<? extends BooleanFlag<?>> flag;
-        switch (event.getNewState().getType()) {
+        if (Tag.SNOW.isTagged(event.getNewState().getType())) {
-            case SNOW:
-            case SNOW_BLOCK:
             flag = SnowFormFlag.class;
-                break;
+        } else if (Tag.ICE.isTagged(event.getNewState().getType())) {
-            case ICE:
-            case FROSTED_ICE:
-            case PACKED_ICE:
             flag = IceFormFlag.class;
-                break;
+        } else {
-            default:
+            return;
-                return; // other blocks are ignored by this event
         }
         boolean allowed = plot.getFlag(flag);
         Entity entity = event.getEntity();
@@ -705,50 +682,32 @@ public class BlockEventListener implements Listener {
             event.setCancelled(true);
             return;
         }
-        switch (block.getType()) {
+        if (Tag.ICE.isTagged(block.getType())) {
-            case ICE:
             if (!plot.getFlag(IceMeltFlag.class)) {
                 plot.debug("Ice could not melt because ice-melt = false");
                 event.setCancelled(true);
             }
-                break;
+            return;
-            case SNOW:
+        }
+        if (Tag.SNOW.isTagged(block.getType())) {
             if (!plot.getFlag(SnowMeltFlag.class)) {
                 plot.debug("Snow could not melt because snow-melt = false");
                 event.setCancelled(true);
             }
-                break;
+            return;
-            case FARMLAND:
+        }
+        if (block.getType() == Material.FARMLAND) {
             if (!plot.getFlag(SoilDryFlag.class)) {
                 plot.debug("Soil could not dry because soil-dry = false");
                 event.setCancelled(true);
             }
-                break;
+            return;
-            case TUBE_CORAL_BLOCK:
+        }
-            case BRAIN_CORAL_BLOCK:
+        if (Tag.CORAL_BLOCKS.isTagged(block.getType())) {
-            case BUBBLE_CORAL_BLOCK:
-            case FIRE_CORAL_BLOCK:
-            case HORN_CORAL_BLOCK:
-            case TUBE_CORAL:
-            case BRAIN_CORAL:
-            case BUBBLE_CORAL:
-            case FIRE_CORAL:
-            case HORN_CORAL:
-            case TUBE_CORAL_FAN:
-            case BRAIN_CORAL_FAN:
-            case BUBBLE_CORAL_FAN:
-            case FIRE_CORAL_FAN:
-            case HORN_CORAL_FAN:
-            case BRAIN_CORAL_WALL_FAN:
-            case BUBBLE_CORAL_WALL_FAN:
-            case FIRE_CORAL_WALL_FAN:
-            case HORN_CORAL_WALL_FAN:
-            case TUBE_CORAL_WALL_FAN:
             if (!plot.getFlag(CoralDryFlag.class)) {
                 plot.debug("Coral could not dry because coral-dry = false");
                 event.setCancelled(true);
             }
-                break;
         }
     }
 

Bukkit/src/main/java/com/plotsquared/bukkit/listener/BlockEventListener117.java

@@ -33,6 +33,7 @@ import com.plotsquared.core.plot.Plot;
 import com.plotsquared.core.plot.PlotArea;
 import com.plotsquared.core.plot.flag.implementations.CopperOxideFlag;
 import com.plotsquared.core.plot.flag.implementations.MiscInteractFlag;
+import org.bukkit.Material;
 import org.bukkit.block.Block;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Item;
@@ -46,11 +47,31 @@ import org.bukkit.event.block.BlockReceiveGameEvent;
 
 import java.util.List;
 import java.util.Objects;
+import java.util.Set;
 import java.util.UUID;
 
 @SuppressWarnings("unused")
 public class BlockEventListener117 implements Listener {
 
+    private static final Set<Material> COPPER_OXIDIZING = Set.of(
+            Material.COPPER_BLOCK,
+            Material.EXPOSED_COPPER,
+            Material.WEATHERED_COPPER,
+            Material.OXIDIZED_COPPER,
+            Material.CUT_COPPER,
+            Material.EXPOSED_CUT_COPPER,
+            Material.WEATHERED_CUT_COPPER,
+            Material.OXIDIZED_CUT_COPPER,
+            Material.CUT_COPPER_STAIRS,
+            Material.EXPOSED_CUT_COPPER_STAIRS,
+            Material.WEATHERED_CUT_COPPER_STAIRS,
+            Material.OXIDIZED_CUT_COPPER_STAIRS,
+            Material.CUT_COPPER_SLAB,
+            Material.EXPOSED_CUT_COPPER_SLAB,
+            Material.WEATHERED_CUT_COPPER_SLAB,
+            Material.OXIDIZED_CUT_COPPER_SLAB
+    );
+
     @Inject
     public BlockEventListener117() {
     }
@@ -155,23 +176,7 @@ public class BlockEventListener117 implements Listener {
         if (plot == null) {
             return;
         }
-        switch (event.getNewState().getType()) {
+        if (COPPER_OXIDIZING.contains(event.getNewState().getType())) {
-            case COPPER_BLOCK:
-            case EXPOSED_COPPER:
-            case WEATHERED_COPPER:
-            case OXIDIZED_COPPER:
-            case CUT_COPPER:
-            case EXPOSED_CUT_COPPER:
-            case WEATHERED_CUT_COPPER:
-            case OXIDIZED_CUT_COPPER:
-            case CUT_COPPER_STAIRS:
-            case EXPOSED_CUT_COPPER_STAIRS:
-            case WEATHERED_CUT_COPPER_STAIRS:
-            case OXIDIZED_CUT_COPPER_STAIRS:
-            case CUT_COPPER_SLAB:
-            case EXPOSED_CUT_COPPER_SLAB:
-            case WEATHERED_CUT_COPPER_SLAB:
-            case OXIDIZED_CUT_COPPER_SLAB:
             if (!plot.getFlag(CopperOxideFlag.class)) {
                 plot.debug("Copper could not oxide because copper-oxide = false");
                 event.setCancelled(true);

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

@@ -131,17 +131,17 @@ public class EntitySpawnListener implements Listener {
             return;
         }
         Plot plot = location.getOwnedPlotAbs();
-        if (plot == null) {
         EntityType type = entity.getType();
+        if (plot == null) {
             if (!area.isMobSpawning()) {
-                switch (type) {
+                if (type == EntityType.PLAYER) {
-                    case DROPPED_ITEM:
+                    return;
+                }
+                if (type == EntityType.DROPPED_ITEM) {
                     if (Settings.Enabled_Components.KILL_ROAD_ITEMS) {
                         event.setCancelled(true);
                         return;
                     }
-                    case PLAYER:
-                        return;
                 }
                 if (type.isAlive()) {
                     event.setCancelled(true);
@@ -155,12 +155,13 @@ public class EntitySpawnListener implements Listener {
         if (Settings.Done.RESTRICT_BUILDING && DoneFlag.isDone(plot)) {
             event.setCancelled(true);
         }
-        switch (entity.getType()) {
+        if (type == EntityType.ENDER_CRYSTAL) {
-            case ENDER_CRYSTAL:
             if (BukkitEntityUtil.checkEntity(entity, plot)) {
                 event.setCancelled(true);
             }
-            case SHULKER:
+            return;
+        }
+        if (type == EntityType.SHULKER) {
             if (!entity.hasMetadata("shulkerPlot")) {
                 entity.setMetadata("shulkerPlot", new FixedMetadataValue((Plugin) PlotSquared.platform(), plot.getId()));
             }

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

@@ -237,15 +237,15 @@ public class PaperListener implements Listener {
         if (plot == null) {
             EntityType type = event.getType();
             if (!area.isMobSpawning()) {
-                switch (type) {
+                if (type == EntityType.PLAYER) {
-                    case DROPPED_ITEM:
+                    return;
+                }
+                if (type == EntityType.DROPPED_ITEM) {
                     if (Settings.Enabled_Components.KILL_ROAD_ITEMS) {
                         event.setShouldAbortSpawn(true);
                         event.setCancelled(true);
                         return;
                     }
-                    case PLAYER:
-                        return;
                 }
                 if (type.isAlive()) {
                     event.setShouldAbortSpawn(true);

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

@@ -89,6 +89,7 @@ import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
 import org.bukkit.FluidCollisionMode;
 import org.bukkit.Material;
+import org.bukkit.Tag;
 import org.bukkit.block.Block;
 import org.bukkit.block.BlockFace;
 import org.bukkit.block.BlockState;
@@ -166,6 +167,20 @@ import java.util.regex.Pattern;
 @SuppressWarnings("unused")
 public class PlayerEventListener extends PlotListener implements Listener {
 
+    private static final Set<Material> MINECARTS = Set.of(
+            Material.MINECART,
+            Material.TNT_MINECART,
+            Material.CHEST_MINECART,
+            Material.COMMAND_BLOCK_MINECART,
+            Material.FURNACE_MINECART,
+            Material.HOPPER_MINECART
+    );
+    private static final Set<Material> BOOKS = Set.of(
+            Material.BOOK,
+            Material.KNOWLEDGE_BOOK,
+            Material.WRITABLE_BOOK,
+            Material.WRITTEN_BOOK
+    );
     private final EventDispatcher eventDispatcher;
     private final WorldEdit worldEdit;
     private final PlotAreaManager plotAreaManager;
@@ -880,33 +895,25 @@ public class PlayerEventListener extends PlotListener implements Listener {
                 oldLore = lore.toString();
             }
         }
+        Material itemType = newItem.getType();
         if (!"[(+NBT)]".equals(newLore) || (current.equals(newItem) && newLore.equals(oldLore))) {
-            switch (newItem.getType()) {
+            if (newMeta == null || (itemType != Material.LEGACY_BANNER && itemType != Material.PLAYER_HEAD)) {
-                case LEGACY_BANNER:
-                case PLAYER_HEAD:
-                    if (newMeta != null) {
-                        break;
-                    }
-                default:
                 return;
             }
         }
         Block block = player.getTargetBlock(null, 7);
         org.bukkit.block.BlockState state = block.getState();
         Material stateType = state.getType();
-        Material itemType = newItem.getType();
         if (stateType != itemType) {
-            switch (stateType) {
+            if (stateType == Material.LEGACY_WALL_BANNER || stateType == Material.LEGACY_STANDING_BANNER) {
-                case LEGACY_STANDING_BANNER:
+                if (itemType != Material.LEGACY_BANNER) {
-                case LEGACY_WALL_BANNER:
+                    return;
-                    if (itemType == Material.LEGACY_BANNER) {
-                        break;
                 }
-                case LEGACY_SKULL:
+            } else if (stateType == Material.LEGACY_SKULL) {
-                    if (itemType == Material.LEGACY_SKULL_ITEM) {
+                if (itemType != Material.LEGACY_SKULL_ITEM) {
-                        break;
+                    return;
                 }
-                default:
+            } else {
                 return;
             }
         }
@@ -1133,14 +1140,21 @@ public class PlayerEventListener extends PlotListener implements Listener {
                     //Allow all players to eat while also allowing the block place event ot be fired
                     return;
                 }
-                switch (type) {
+                if (type == Material.ARMOR_STAND) {
-                    case ACACIA_BOAT, BIRCH_BOAT, CHEST_MINECART, COMMAND_BLOCK_MINECART, DARK_OAK_BOAT, FURNACE_MINECART, HOPPER_MINECART, JUNGLE_BOAT, MINECART, OAK_BOAT, SPRUCE_BOAT, TNT_MINECART -> eventType = PlayerBlockEventType.PLACE_VEHICLE;
-                    case FIREWORK_ROCKET, FIREWORK_STAR -> eventType = PlayerBlockEventType.SPAWN_MOB;
-                    case BOOK, KNOWLEDGE_BOOK, WRITABLE_BOOK, WRITTEN_BOOK -> eventType = PlayerBlockEventType.READ;
-                    case ARMOR_STAND -> {
                     location = BukkitUtil.adapt(block.getRelative(event.getBlockFace()).getLocation());
                     eventType = PlayerBlockEventType.PLACE_MISC;
                 }
+                if (Tag.ITEMS_BOATS.isTagged(type) || MINECARTS.contains(type)) {
+                    eventType = PlayerBlockEventType.PLACE_VEHICLE;
+                    break;
+                }
+                if (type == Material.FIREWORK_ROCKET || type == Material.FIREWORK_STAR) {
+                    eventType = PlayerBlockEventType.SPAWN_MOB;
+                    break;
+                }
+                if (BOOKS.contains(type)) {
+                    eventType = PlayerBlockEventType.READ;
+                    break;
                 }
                 break;
             }