Add support for per issuer locale in Sponge and BungeeCord (#104)

* Add support for per issuer locale in Sponge and BungeeCord

* Added Optional<UUID> getUniqueId to CommandIssuer
* Added update task and delayed join listener in BungeeCord
* Added settings change listener in Sponge
* Moved setLocale method up to the CommandManager to remove the
amount of duplicated code

* Remove Optional usage

* Remove player terminology in core

sponge/src/main/java/co/aikar/commands/ACFSpongeListener.java

@@ -0,0 +1,28 @@
+package co.aikar.commands;
+
+import org.spongepowered.api.entity.living.player.Player;
+import org.spongepowered.api.event.Listener;
+import org.spongepowered.api.event.Order;
+import org.spongepowered.api.event.entity.living.humanoid.player.PlayerChangeClientSettingsEvent;
+import org.spongepowered.api.event.filter.cause.First;
+import org.spongepowered.api.event.network.ClientConnectionEvent;
+
+public class ACFSpongeListener {
+
+    private final SpongeCommandManager manager;
+
+    public ACFSpongeListener(SpongeCommandManager manager) {
+        this.manager = manager;
+    }
+
+    @Listener(order = Order.POST)
+    public void onSettingsChange(PlayerChangeClientSettingsEvent changeSettingsEvent, @First Player targetPlayer) {
+        //this event will be fired on join as well as every time the player changes it
+        manager.setIssuerLocale(targetPlayer, targetPlayer.getLocale());
+    }
+
+    @Listener
+    public void onDisconnectCleanup(ClientConnectionEvent.Disconnect disconnectEvent, @First Player player) {
+        manager.issuersLocale.remove(player.getUniqueId());
+    }
+}

sponge/src/main/java/co/aikar/commands/SpongeCommandIssuer.java

@@ -23,11 +23,15 @@
 
 package co.aikar.commands;
 
+import org.jetbrains.annotations.NotNull;
 import org.spongepowered.api.command.CommandSource;
 import org.spongepowered.api.entity.living.player.Player;
 import org.spongepowered.api.text.serializer.TextSerializers;
+import org.spongepowered.api.util.Identifiable;
 
+import java.nio.charset.StandardCharsets;
 import java.util.Objects;
+import java.util.UUID;
 
 public class SpongeCommandIssuer implements CommandIssuer {
 
@@ -49,6 +53,16 @@ public class SpongeCommandIssuer implements CommandIssuer {
         return this.source;
     }
 
+    @Override
+    public @NotNull UUID getUniqueId() {
+        if (isPlayer()) {
+            return ((Identifiable) source).getUniqueId();
+        }
+
+        //generate a unique id based of the name (like for the console command sender)
+        return UUID.nameUUIDFromBytes(source.getName().getBytes(StandardCharsets.UTF_8));
+    }
+
     public Player getPlayer() {
         return isPlayer() ? (Player) source : null;
     }
@@ -68,7 +82,6 @@ public class SpongeCommandIssuer implements CommandIssuer {
         return this.source.hasPermission(permission);
     }
 
-
     @Override
     public boolean equals(Object o) {
         if (this == o) return true;

sponge/src/main/java/co/aikar/commands/SpongeCommandManager.java

@@ -68,6 +68,8 @@ public class SpongeCommandManager extends CommandManager<
         this.formatters.put(MessageType.HELP, new SpongeMessageFormatter(TextColors.AQUA, TextColors.GREEN, TextColors.YELLOW));
         getLocales(); // auto load locales
 
+        Sponge.getEventManager().registerListeners(plugin, new ACFSpongeListener(this));
+
         //TODO more default dependencies for sponge
         registerDependency(plugin.getClass(), plugin);
     }
@@ -196,5 +198,4 @@ public class SpongeCommandManager extends CommandManager<
     public SpongeConditionContext createConditionContext(CommandIssuer issuer, String config) {
         return new SpongeConditionContext((SpongeCommandIssuer) issuer, config);
     }
-
 }