misc cleanup

api/src/main/java/me/lucko/luckperms/api/Contexts.java

@@ -194,14 +194,13 @@ public class Contexts {
         final Contexts other = (Contexts) o;
         final Object this$context = this.getContexts();
         final Object other$context = other.getContexts();
-        if (this$context == null ? other$context != null : !this$context.equals(other$context)) return false;
-        if (this.isOp() != other.isOp()) return false;
-        if (this.isIncludeGlobal() != other.isIncludeGlobal()) return false;
-        if (this.isIncludeGlobalWorld() != other.isIncludeGlobalWorld()) return false;
-        if (this.isApplyGroups() != other.isApplyGroups()) return false;
-        if (this.isApplyGlobalGroups() != other.isApplyGlobalGroups()) return false;
-        if (this.isApplyGlobalWorldGroups() != other.isApplyGlobalWorldGroups()) return false;
-        return true;
+        return (this$context == null ? other$context == null : this$context.equals(other$context)) &&
+                this.isOp() == other.isOp() &&
+                this.isIncludeGlobal() == other.isIncludeGlobal() &&
+                this.isIncludeGlobalWorld() == other.isIncludeGlobalWorld() &&
+                this.isApplyGroups() == other.isApplyGroups() &&
+                this.isApplyGlobalGroups() == other.isApplyGlobalGroups() &&
+                this.isApplyGlobalWorldGroups() == other.isApplyGlobalWorldGroups();
     }
 
     /**

api/src/main/java/me/lucko/luckperms/api/LogEntry.java

@@ -171,13 +171,13 @@ public class LogEntry implements Comparable<LogEntry> {
         if (o == this) return true;
         if (!(o instanceof LogEntry)) return false;
         final LogEntry other = (LogEntry) o;
-        if (this.getTimestamp() != other.getTimestamp()) return false;
-        if (this.getActor() == null ? other.getActor() != null : !this.getActor().equals(other.getActor())) return false;
-        if (this.getActorName() == null ? other.getActorName() != null : !this.getActorName().equals(other.getActorName())) return false;
-        if (this.getType() != other.getType()) return false;
-        if (this.getActed() == null ? other.getActed() != null : !this.getActed().equals(other.getActed())) return false;
-        if (this.getActedName() == null ? other.getActedName() != null : !this.getActedName().equals(other.getActedName())) return false;
-        return this.getAction() == null ? other.getAction() == null : this.getAction().equals(other.getAction());
+        return this.getTimestamp() == other.getTimestamp() &&
+                (this.getActor() == null ? other.getActor() == null : this.getActor().equals(other.getActor())) &&
+                (this.getActorName() == null ? other.getActorName() == null : this.getActorName().equals(other.getActorName())) &&
+                this.getType() == other.getType() &&
+                (this.getActed() == null ? other.getActed() == null : this.getActed().equals(other.getActed())) &&
+                (this.getActedName() == null ? other.getActedName() == null : this.getActedName().equals(other.getActedName())) &&
+                (this.getAction() == null ? other.getAction() == null : this.getAction().equals(other.getAction()));
     }
 
     @Override

api/src/main/java/me/lucko/luckperms/api/MetaUtils.java

@@ -149,8 +149,7 @@ public class MetaUtils {
 
         try {
             holder.setPermission(metaNode.build());
-        } catch (ObjectAlreadyHasException ignored) {
-        }
+        } catch (ObjectAlreadyHasException ignored) {}
     }
 
     /**
@@ -233,8 +232,7 @@ public class MetaUtils {
 
         try {
             holder.setPermission(node.build());
-        } catch (ObjectAlreadyHasException ignored) {
-        }
+        } catch (ObjectAlreadyHasException ignored) {}
     }
 
     /**

api/src/main/java/me/lucko/luckperms/api/event/cause/CreationCause.java

@@ -40,6 +40,6 @@ public enum CreationCause {
     /**
      * The creation was caused by a LuckPerms internal
      */
-    INTERNAL;
+    INTERNAL
 
 }

api/src/main/java/me/lucko/luckperms/api/event/cause/DeletionCause.java

@@ -40,6 +40,6 @@ public enum DeletionCause {
     /**
      * The deletion was caused by a LuckPerms internal
      */
-    INTERNAL;
+    INTERNAL
 
 }

api/src/main/java/me/lucko/luckperms/api/event/user/track/TrackAction.java

@@ -35,6 +35,6 @@ public enum TrackAction {
     /**
      * The user was demoted down a track
      */
-    DEMOTION;
+    DEMOTION
 
 }

bukkit-placeholders/src/main/java/me/lucko/luckperms/api/placeholders/LuckPermsPlaceholderExpansion.java

@@ -146,9 +146,7 @@ public class LuckPermsPlaceholderExpansion extends PlaceholderExpansion {
             String trackName = identifier.substring("on_track_".length());
 
             Optional<Track> track = api.getTrackSafe(trackName);
-            if (!track.isPresent()) return "";
-
-            return formatBoolean(track.get().containsGroup(user.getPrimaryGroup()));
+            return track.map(t -> formatBoolean(t.containsGroup(user.getPrimaryGroup()))).orElse("");
         }
 
         if (identifier.startsWith("expiry_time_") && identifier.length() > "expiry_time_".length()) {

bukkit/src/main/java/me/lucko/luckperms/bukkit/LPBukkitPlugin.java

@@ -288,9 +288,7 @@ public class LPBukkitPlugin extends JavaPlugin implements LuckPermsPlugin {
         }
 
         // replace the temporary executor when the Bukkit one starts
-        getServer().getScheduler().runTaskAsynchronously(this, () -> {
-            scheduler.setUseBukkitAsync(true);
-        });
+        getServer().getScheduler().runTaskAsynchronously(this, () -> scheduler.setUseBukkitAsync(true));
 
         // Load any online users (in the case of a reload)
         for (Player player : getServer().getOnlinePlayers()) {

bukkit/src/main/java/me/lucko/luckperms/bukkit/messaging/BungeeMessagingService.java

@@ -64,12 +64,11 @@ public class BungeeMessagingService extends AbstractMessagingService implements
             @Override
             public void run() {
                 Collection<? extends Player> players = plugin.getServer().getOnlinePlayers();
-                if (players.isEmpty()) {
+                Player p = Iterables.getFirst(players, null);
+                if (p == null) {
                     return;
                 }
 
-                Player p = Iterables.getFirst(players, null);
-
                 ByteArrayDataOutput out = ByteStreams.newDataOutput();
                 out.writeUTF(message);
 

bukkit/src/main/java/me/lucko/luckperms/bukkit/migration/MigrationPowerfulPerms.java

@@ -66,6 +66,7 @@ import java.util.function.Consumer;
 
 import static me.lucko.luckperms.common.constants.Permission.MIGRATION;
 
+@SuppressWarnings("unchecked")
 public class MigrationPowerfulPerms extends SubCommand<Object> {
     private static Method getPlayerPermissionsMethod = null;
     private static Method getPlayerGroupsMethod = null;

bukkit/src/main/java/me/lucko/luckperms/bukkit/model/Injector.java

@@ -38,6 +38,7 @@ import java.util.concurrent.ConcurrentHashMap;
 /**
  * Injects a {@link LPPermissible} into a {@link Player}
  */
+@SuppressWarnings("unchecked")
 @UtilityClass
 public class Injector {
     private static final Map<UUID, LPPermissible> INJECTED_PERMISSIBLES = new ConcurrentHashMap<>();

common/src/main/java/me/lucko/luckperms/common/commands/CommandManager.java

@@ -111,8 +111,8 @@ public class CommandManager {
 
     /**
      * Generic on command method to be called from the command executor object of the platform
-     * Unlike {@link #onCommand(Sender, String, List)}, this method is called in a new thread
-     *  @param sender who sent the command
+     * Unlike {@link #execute(Sender, String, List)}, this method is called in a new thread
+     * @param sender who sent the command
      * @param label  the command label used
      * @param args   the arguments provided
      */

common/src/main/java/me/lucko/luckperms/common/commands/MainCommand.java

@@ -175,6 +175,7 @@ public abstract class MainCommand<T> extends BaseCommand<Void, T> {
         return getSubCommands().stream().filter(sc -> sc.isAuthorized(sender)).count() != 0;
     }
 
+    @SuppressWarnings("DeprecatedIsStillUsed")
     @Deprecated
     @Override
     public Optional<List<Command<T, ?>>> getChildren() {

common/src/main/java/me/lucko/luckperms/common/commands/generic/parent/ParentSet.java

@@ -79,8 +79,7 @@ public class ParentSet extends SharedSubCommand {
 
                 try {
                     holder.setInheritGroup(group);
-                } catch (ObjectAlreadyHasException ignored) {
-                }
+                } catch (ObjectAlreadyHasException ignored) {}
 
                 if (holder instanceof User) {
                     ((User) holder).setPrimaryGroup(group.getName());
@@ -107,8 +106,7 @@ public class ParentSet extends SharedSubCommand {
 
                 try {
                     holder.setInheritGroup(group, server, world);
-                } catch (ObjectAlreadyHasException ignored) {
-                }
+                } catch (ObjectAlreadyHasException ignored) {}
 
                 Message.SET_PARENT_SERVER_WORLD_SUCCESS.send(sender, holder.getFriendlyName(), group.getDisplayName(), server, world);
                 break;

common/src/main/java/me/lucko/luckperms/common/commands/log/subcommands/LogRecent.java

@@ -97,7 +97,7 @@ public class LogRecent extends SubCommand<Log> {
 
         // User and possibly page
         final String s = args.get(0);
-        UUID u = null;
+        UUID u;
 
         u = Util.parseUuid(s);
         if (u == null) {

common/src/main/java/me/lucko/luckperms/common/commands/migration/MigrationMainCommand.java

@@ -101,7 +101,7 @@ public class MigrationMainCommand extends MainCommand<Object> {
         super("Migration", "Migration commands", "/%s migration", 1, null);
     }
 
-    @SuppressWarnings("deprecation")
+    @SuppressWarnings({"deprecation", "DeprecatedIsStillUsed"})
     @Deprecated
     @Override
     public synchronized Optional<List<Command<Object, ?>>> getChildren() {

common/src/main/java/me/lucko/luckperms/common/constants/Patterns.java

@@ -27,10 +27,12 @@ import lombok.experimental.UtilityClass;
 import com.google.common.cache.CacheBuilder;
 import com.google.common.cache.CacheLoader;
 import com.google.common.cache.LoadingCache;
+import com.google.common.collect.Maps;
 import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
 import com.google.common.util.concurrent.UncheckedExecutionException;
 
+import java.util.Map;
 import java.util.concurrent.ExecutionException;
 import java.util.regex.Pattern;
 
@@ -49,11 +51,18 @@ public class Patterns {
                 }
             });
 
+    private static final LoadingCache<Map.Entry<String, String>, String> DELIMITER_CACHE = CacheBuilder.newBuilder()
+            .build(new CacheLoader<Map.Entry<String, String>, String>() {
+                @Override
+                public String load(Map.Entry<String, String> e) {
+                    return "(?<!" + Pattern.quote(e.getKey()) + ")" + Pattern.quote(e.getValue());
+                }
+            });
+
     public static final Pattern COMMAND_SEPARATOR = Pattern.compile(" (?=([^\\\"]*\\\"[^\\\"]*\\\")*[^\\\"]*$)");
     public static final Pattern NON_ALPHA_NUMERIC = Pattern.compile("[\\/\\$\\.\\- ]");
     public static final Pattern NON_ALPHA_NUMERIC_SPACE = Pattern.compile("[\\/\\$\\.\\-]");
     public static final Pattern NON_USERNAME = Pattern.compile("[^A-Za-z0-9_ ]");
-    public static final Pattern SHORTHAND_NODE = Pattern.compile("\\.\\([^.]+\\)");
     public static final Pattern STRIP_COLOR_PATTERN = Pattern.compile("(?i)" + String.valueOf('§') + "[0-9A-FK-OR]");
     public static final Pattern NODE_CONTEXTS = Pattern.compile("\\(.+\\).*");
 
@@ -67,7 +76,7 @@ public class Patterns {
     }
 
     public static String buildDelimitedMatcher(String delim, String esc) {
-        return "(?<!" + Pattern.quote(esc) + ")" + Pattern.quote(delim);
+        return DELIMITER_CACHE.getUnchecked(Maps.immutableEntry(delim, esc));
     }
 
     public static Pattern compileDelimitedMatcher(String delim, String esc) {

common/src/main/java/me/lucko/luckperms/common/core/NodeFactory.java

@@ -242,4 +242,60 @@ public class NodeFactory {
     public static boolean isSuffixNode(String s) {
         return isChatMetaNode("suffix", s);
     }
+
+    public static Node make(String node) {
+        return newBuilder(node).build();
+    }
+
+    public static Node make(String node, boolean value) {
+        return newBuilder(node).setValue(value).build();
+    }
+
+    public static Node make(String node, boolean value, String server) {
+        return newBuilder(node).setValue(value).setServer(server).build();
+    }
+
+    public static Node make(String node, boolean value, String server, String world) {
+        return newBuilder(node).setValue(value).setServer(server).setWorld(world).build();
+    }
+
+    public static Node make(String node, String server) {
+        return newBuilder(node).setServer(server).build();
+    }
+
+    public static Node make(String node, String server, String world) {
+        return newBuilder(node).setServer(server).setWorld(world).build();
+    }
+
+    public static Node make(String node, boolean value, boolean temporary) {
+        return newBuilder(node).setValue(value).setExpiry(temporary ? 10L : 0L).build();
+    }
+
+    public static Node make(String node, boolean value, String server, boolean temporary) {
+        return newBuilder(node).setValue(value).setServer(server).setExpiry(temporary ? 10L : 0L).build();
+    }
+
+    public static Node make(String node, boolean value, String server, String world, boolean temporary) {
+        return newBuilder(node).setValue(value).setServer(server).setWorld(world).setExpiry(temporary ? 10L : 0L).build();
+    }
+
+    public static Node make(String node, String server, boolean temporary) {
+        return newBuilder(node).setServer(server).setExpiry(temporary ? 10L : 0L).build();
+    }
+
+    public static Node make(String node, String server, String world, boolean temporary) {
+        return newBuilder(node).setServer(server).setWorld(world).setExpiry(temporary ? 10L : 0L).build();
+    }
+
+    public static Node make(String node, boolean value, long expireAt) {
+        return newBuilder(node).setValue(value).setExpiry(expireAt).build();
+    }
+
+    public static Node make(String node, boolean value, String server, long expireAt) {
+        return newBuilder(node).setValue(value).setServer(server).setExpiry(expireAt).build();
+    }
+
+    public static Node make(String node, boolean value, String server, String world, long expireAt) {
+        return newBuilder(node).setValue(value).setServer(server).setWorld(world).setExpiry(expireAt).build();
+    }
 }

common/src/main/java/me/lucko/luckperms/common/core/model/ImmutableNode.java

@@ -136,15 +136,18 @@ public class ImmutableNode implements Node {
     private final String permission;
 
     @Getter
-    private Boolean value;
+    private final Boolean value;
 
     @Getter
     private boolean override;
 
-    private String server = null;
-    private String world = null;
+    // nullable
+    private final String server;
+    // nullable
+    private final String world;
 
-    private long expireAt = 0L;
+    // 0L for no expiry
+    private final long expireAt;
 
     @Getter
     private final ImmutableContextSet contexts;
@@ -153,6 +156,11 @@ public class ImmutableNode implements Node {
     private final ImmutableContextSet fullContexts;
 
     // Cached state
+
+    // these save on lots of instance creation when comparing nodes
+    private final Optional<String> optServer;
+    private final Optional<String> optWorld;
+
     private final boolean isGroup;
     private String groupName;
 
@@ -248,6 +256,8 @@ public class ImmutableNode implements Node {
         }
 
         this.fullContexts = fullContexts.makeImmutable();
+        this.optServer = Optional.ofNullable(this.server);
+        this.optWorld = Optional.ofNullable(this.world);
     }
 
     @Override
@@ -262,12 +272,12 @@ public class ImmutableNode implements Node {
 
     @Override
     public Optional<String> getServer() {
-        return Optional.ofNullable(server);
+        return optServer;
     }
 
     @Override
     public Optional<String> getWorld() {
-        return Optional.ofNullable(world);
+        return optWorld;
     }
 
     @Override
@@ -532,11 +542,7 @@ public class ImmutableNode implements Node {
             return false;
         }
 
-        if (!other.getContexts().equals(this.getContexts())) {
-            return false;
-        }
-
-        return true;
+        return other.getContexts().equals(this.getContexts());
     }
 
     @Override
@@ -569,11 +575,7 @@ public class ImmutableNode implements Node {
             return false;
         }
 
-        if (!other.getContexts().equals(this.getContexts())) {
-            return false;
-        }
-
-        return true;
+        return other.getContexts().equals(this.getContexts());
     }
 
     @Override
@@ -602,11 +604,7 @@ public class ImmutableNode implements Node {
             return false;
         }
 
-        if (!other.getContexts().equals(this.getContexts())) {
-            return false;
-        }
-
-        return true;
+        return other.getContexts().equals(this.getContexts());
     }
 
     @Override

common/src/main/java/me/lucko/luckperms/common/core/model/PermissionHolder.java

@@ -49,7 +49,6 @@ import me.lucko.luckperms.common.caching.holder.GetAllNodesRequest;
 import me.lucko.luckperms.common.commands.utils.Util;
 import me.lucko.luckperms.common.config.ConfigKeys;
 import me.lucko.luckperms.common.core.InheritanceInfo;
-import me.lucko.luckperms.common.core.NodeBuilder;
 import me.lucko.luckperms.common.core.NodeFactory;
 import me.lucko.luckperms.common.core.PriorityComparator;
 import me.lucko.luckperms.common.core.TemporaryModifier;
@@ -227,14 +226,14 @@ public abstract class PermissionHolder {
         Set<Node> enduring = getNodes();
         if (!enduring.isEmpty()) {
             combined.addAll(enduring.stream()
-                    .map(n -> makeLocal(n, getObjectName()))
+                    .map(n -> ImmutableLocalizedNode.of(n, getObjectName()))
                     .collect(Collectors.toList())
             );
         }
         Set<Node> tran = getTransientNodes();
         if (!tran.isEmpty()) {
             combined.addAll(tran.stream()
-                    .map(n -> makeLocal(n, getObjectName()))
+                    .map(n -> ImmutableLocalizedNode.of(n, getObjectName()))
                     .collect(Collectors.toList())
             );
         }
@@ -386,7 +385,7 @@ public abstract class PermissionHolder {
 
     public void setNodes(Map<String, Boolean> nodes) {
         Set<Node> set = nodes.entrySet().stream()
-                .map(e -> makeNode(e.getKey(), e.getValue()))
+                .map(e -> NodeFactory.fromSerialisedNode(e.getKey(), e.getValue()))
                 .collect(Collectors.toSet());
 
         setNodes(set);
@@ -606,39 +605,39 @@ public abstract class PermissionHolder {
      * Check if the holder has a permission node
      *
      * @param node the node to check
-     * @param t    whether to check transient nodes
+     * @param checkTransient    whether to check transient nodes
      * @return a tristate
      */
-    public Tristate hasPermission(Node node, boolean t) {
-        return getAlmostEquals(node, t).map(Node::getTristate).orElse(Tristate.UNDEFINED);
+    public Tristate hasPermission(Node node, boolean checkTransient) {
+        return getAlmostEquals(node, checkTransient).map(Node::getTristate).orElse(Tristate.UNDEFINED);
     }
 
     public Tristate hasPermission(Node node) {
         return hasPermission(node, false);
     }
 
-    public boolean hasPermission(String node, boolean b) {
-        return hasPermission(buildNode(node).setValue(b).build()).asBoolean() == b;
+    public boolean hasPermission(String node, boolean value) {
+        return hasPermission(NodeFactory.make(node, value)).asBoolean() == value;
     }
 
-    public boolean hasPermission(String node, boolean b, String server) {
-        return hasPermission(buildNode(node).setValue(b).setServer(server).build()).asBoolean() == b;
+    public boolean hasPermission(String node, boolean value, String server) {
+        return hasPermission(NodeFactory.make(node, value, server)).asBoolean() == value;
     }
 
-    public boolean hasPermission(String node, boolean b, String server, String world) {
-        return hasPermission(buildNode(node).setValue(b).setServer(server).setWorld(world).build()).asBoolean() == b;
+    public boolean hasPermission(String node, boolean value, String server, String world) {
+        return hasPermission(NodeFactory.make(node, value, server, world)).asBoolean() == value;
     }
 
-    public boolean hasPermission(String node, boolean b, boolean temporary) {
-        return hasPermission(buildNode(node).setValue(b).setExpiry(temporary ? 10L : 0L).build()).asBoolean() == b;
+    public boolean hasPermission(String node, boolean value, boolean temporary) {
+        return hasPermission(NodeFactory.make(node, value, temporary)).asBoolean() == value;
     }
 
-    public boolean hasPermission(String node, boolean b, String server, boolean temporary) {
-        return hasPermission(buildNode(node).setValue(b).setServer(server).setExpiry(temporary ? 10L : 0L).build()).asBoolean() == b;
+    public boolean hasPermission(String node, boolean value, String server, boolean temporary) {
+        return hasPermission(NodeFactory.make(node, value, server, temporary)).asBoolean() == value;
     }
 
-    public boolean hasPermission(String node, boolean b, String server, String world, boolean temporary) {
-        return hasPermission(buildNode(node).setValue(b).setServer(server).setWorld(world).setExpiry(temporary ? 10L : 0L).build()).asBoolean() == b;
+    public boolean hasPermission(String node, boolean value, String server, String world, boolean temporary) {
+        return hasPermission(NodeFactory.make(node, value, server, world, temporary)).asBoolean() == value;
     }
 
     /**
@@ -667,28 +666,28 @@ public abstract class PermissionHolder {
         return inheritsPermissionInfo(node).getResult();
     }
 
-    public boolean inheritsPermission(String node, boolean b) {
-        return inheritsPermission(buildNode(node).setValue(b).build()).asBoolean() == b;
+    public boolean inheritsPermission(String node, boolean value) {
+        return inheritsPermission(NodeFactory.make(node, value)).asBoolean() == value;
     }
 
-    public boolean inheritsPermission(String node, boolean b, String server) {
-        return inheritsPermission(buildNode(node).setValue(b).setServer(server).build()).asBoolean() == b;
+    public boolean inheritsPermission(String node, boolean value, String server) {
+        return inheritsPermission(NodeFactory.make(node, value, server)).asBoolean() == value;
     }
 
-    public boolean inheritsPermission(String node, boolean b, String server, String world) {
-        return inheritsPermission(buildNode(node).setValue(b).setServer(server).setWorld(world).build()).asBoolean() == b;
+    public boolean inheritsPermission(String node, boolean value, String server, String world) {
+        return inheritsPermission(NodeFactory.make(node, value, server, world)).asBoolean() == value;
     }
 
-    public boolean inheritsPermission(String node, boolean b, boolean temporary) {
-        return inheritsPermission(buildNode(node).setValue(b).setExpiry(temporary ? 10L : 0L).build()).asBoolean() == b;
+    public boolean inheritsPermission(String node, boolean value, boolean temporary) {
+        return inheritsPermission(NodeFactory.make(node, value, temporary)).asBoolean() == value;
     }
 
-    public boolean inheritsPermission(String node, boolean b, String server, boolean temporary) {
-        return inheritsPermission(buildNode(node).setValue(b).setServer(server).setExpiry(temporary ? 10L : 0L).build()).asBoolean() == b;
+    public boolean inheritsPermission(String node, boolean value, String server, boolean temporary) {
+        return inheritsPermission(NodeFactory.make(node, value, server, temporary)).asBoolean() == value;
     }
 
-    public boolean inheritsPermission(String node, boolean b, String server, String world, boolean temporary) {
-        return inheritsPermission(buildNode(node).setValue(b).setServer(server).setWorld(world).setExpiry(temporary ? 10L : 0L).build()).asBoolean() == b;
+    public boolean inheritsPermission(String node, boolean value, String server, String world, boolean temporary) {
+        return inheritsPermission(NodeFactory.make(node, value, server, world, temporary)).asBoolean() == value;
     }
 
     /**
@@ -825,27 +824,27 @@ public abstract class PermissionHolder {
     }
 
     public void setPermission(String node, boolean value) throws ObjectAlreadyHasException {
-        setPermission(buildNode(node).setValue(value).build());
+        setPermission(NodeFactory.make(node, value));
     }
 
     public void setPermission(String node, boolean value, String server) throws ObjectAlreadyHasException {
-        setPermission(buildNode(node).setValue(value).setServer(server).build());
+        setPermission(NodeFactory.make(node, value, server));
     }
 
     public void setPermission(String node, boolean value, String server, String world) throws ObjectAlreadyHasException {
-        setPermission(buildNode(node).setValue(value).setServer(server).setWorld(world).build());
+        setPermission(NodeFactory.make(node, value, server, world));
     }
 
     public void setPermission(String node, boolean value, long expireAt) throws ObjectAlreadyHasException {
-        setPermission(buildNode(node).setValue(value).setExpiry(expireAt).build());
+        setPermission(NodeFactory.make(node, value, expireAt));
     }
 
     public void setPermission(String node, boolean value, String server, long expireAt) throws ObjectAlreadyHasException {
-        setPermission(buildNode(node).setValue(value).setServer(server).setExpiry(expireAt).build());
+        setPermission(NodeFactory.make(node, value, server, expireAt));
     }
 
     public void setPermission(String node, boolean value, String server, String world, long expireAt) throws ObjectAlreadyHasException {
-        setPermission(buildNode(node).setValue(value).setServer(server).setWorld(world).setExpiry(expireAt).build());
+        setPermission(NodeFactory.make(node, value, server, world, expireAt));
     }
 
     /**
@@ -905,27 +904,27 @@ public abstract class PermissionHolder {
     }
 
     public void unsetPermission(String node, boolean temporary) throws ObjectLacksException {
-        unsetPermission(buildNode(node).setExpiry(temporary ? 10L : 0L).build());
+        unsetPermission(NodeFactory.make(node, temporary));
     }
 
     public void unsetPermission(String node) throws ObjectLacksException {
-        unsetPermission(buildNode(node).build());
+        unsetPermission(NodeFactory.make(node));
     }
 
     public void unsetPermission(String node, String server) throws ObjectLacksException {
-        unsetPermission(buildNode(node).setServer(server).build());
+        unsetPermission(NodeFactory.make(node, server));
     }
 
     public void unsetPermission(String node, String server, String world) throws ObjectLacksException {
-        unsetPermission(buildNode(node).setServer(server).setWorld(world).build());
+        unsetPermission(NodeFactory.make(node, server, world));
     }
 
     public void unsetPermission(String node, String server, boolean temporary) throws ObjectLacksException {
-        unsetPermission(buildNode(node).setServer(server).setExpiry(temporary ? 10L : 0L).build());
+        unsetPermission(NodeFactory.make(node, server, temporary));
     }
 
     public void unsetPermission(String node, String server, String world, boolean temporary) throws ObjectLacksException {
-        unsetPermission(buildNode(node).setServer(server).setWorld(world).setExpiry(temporary ? 10L : 0L).build());
+        unsetPermission(NodeFactory.make(node, server, world, temporary));
     }
 
     public boolean inheritsGroup(Group group) {
@@ -1315,16 +1314,4 @@ public abstract class PermissionHolder {
         }
         return m;
     }
-
-    private static Node.Builder buildNode(String permission) {
-        return new NodeBuilder(permission);
-    }
-
-    private static ImmutableLocalizedNode makeLocal(Node node, String location) {
-        return ImmutableLocalizedNode.of(node, location);
-    }
-
-    private static Node makeNode(String s, Boolean b) {
-        return NodeFactory.fromSerialisedNode(s, b);
-    }
 }

common/src/main/java/me/lucko/luckperms/common/defaults/Rule.java

@@ -29,8 +29,6 @@ import lombok.ToString;
 import me.lucko.luckperms.api.Tristate;
 import me.lucko.luckperms.common.core.NodeFactory;
 import me.lucko.luckperms.common.core.model.User;
-import me.lucko.luckperms.exceptions.ObjectAlreadyHasException;
-import me.lucko.luckperms.exceptions.ObjectLacksException;
 
 import java.util.List;
 
@@ -91,17 +89,11 @@ public class Rule {
 
         // The holder meets all of the requirements of this rule.
         for (String s : toTake) {
-            try {
-                user.unsetPermission(NodeFactory.fromSerialisedNode(s, true));
-            } catch (ObjectLacksException ignored) {
-            }
+            user.unsetPermissionUnchecked(NodeFactory.fromSerialisedNode(s, true));
         }
 
         for (String s : toGive) {
-            try {
-                user.setPermission(NodeFactory.fromSerialisedNode(s, true));
-            } catch (ObjectAlreadyHasException ignored) {
-            }
+            user.setPermissionUnchecked(NodeFactory.fromSerialisedNode(s, true));
         }
 
         if (setPrimaryGroup != null) {

common/src/main/java/me/lucko/luckperms/common/event/LuckPermsEventHandler.java

@@ -66,6 +66,7 @@ public class LuckPermsEventHandler<T extends LuckPermsEvent> implements EventHan
         return callCount.get();
     }
 
+    @SuppressWarnings("unchecked") // we know that this method will never be called if the class doesn't match eventClass
     void handle(LuckPermsEvent event) {
         try {
             T t = (T) event;

common/src/main/java/me/lucko/luckperms/common/managers/impl/GenericUserManager.java

@@ -92,11 +92,8 @@ public class GenericUserManager extends AbstractManager<UserIdentifier, User> im
             }
         }
 
-        if (!user.getPrimaryGroup().equalsIgnoreCase("default")) {
-            return true; // Not in the default primary group
-        }
-
-        return false;
+        // Not in the default primary group
+        return !user.getPrimaryGroup().equalsIgnoreCase("default");
     }
 
     private final LuckPermsPlugin plugin;

common/src/main/java/me/lucko/luckperms/common/utils/BufferedRequest.java

@@ -78,7 +78,7 @@ public abstract class BufferedRequest<T> {
         private final long delayMillis;
         private final Supplier<R> supplier;
         private final ReentrantLock lock = new ReentrantLock();
-        private final CompletableFuture<R> future = new CompletableFuture<R>();
+        private final CompletableFuture<R> future = new CompletableFuture<>();
         @Getter
         private boolean usable = true;
         private long executionTime;

common/src/main/java/me/lucko/luckperms/common/utils/Predicates.java

@@ -38,10 +38,12 @@ public class Predicates {
     private static final Predicate FALSE = o -> false;
     private static final Predicate TRUE = o -> true;
 
+    @SuppressWarnings("unchecked")
     public static <T> Predicate<T> alwaysFalse() {
         return FALSE;
     }
 
+    @SuppressWarnings("unchecked")
     public static <T> Predicate<T> alwaysTrue() {
         return TRUE;
     }

sponge/src/main/java/me/lucko/luckperms/sponge/messaging/BungeeMessagingService.java

@@ -65,11 +65,11 @@ public class BungeeMessagingService extends AbstractMessagingService implements
     protected void sendMessage(String channel, String message) {
         plugin.getSpongeScheduler().createTaskBuilder().interval(10, TimeUnit.SECONDS).execute(task -> {
             Collection<Player> players = plugin.getGame().getServer().getOnlinePlayers();
-            if (players.isEmpty()) {
+            Player p = Iterables.getFirst(players, null);
+            if (p == null) {
                 return;
             }
 
-            Player p = Iterables.getFirst(players, null);
             this.channel.sendTo(p, buf -> buf.writeUTF(message));
 
             task.cancel();