[+] Added UUID command provider, and fixed .bind()

Author: damt

src/main/java/xyz/damt/command/CommandHandler.java

@@ -44,7 +44,7 @@ public CommandHandler(JavaPlugin javaPlugin) {
      * @return {@link CommandHandler}
      */
 
-    public final CommandHandler bind(Class<?> clazz, CommandProvider<?> commandProvider) {
+    public final <T> CommandHandler bind(Class<T> clazz, CommandProvider<T> commandProvider) {
         commandProviderHandler.register(clazz, commandProvider);
         return this;
     }

src/main/java/xyz/damt/command/provider/CommandProviderHandler.java

@@ -10,6 +10,7 @@
 import java.lang.reflect.Parameter;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.UUID;
 
 public class CommandProviderHandler {
 
@@ -37,6 +38,7 @@ private final void init() {
         this.register(Float.class, new FloatCommandProvider());
         this.register(Boolean.class, new BooleanCommandProvider());
         this.register(Double.class, new DoubleCommandProvider());
+        this.register(UUID.class, new UUIDCommandProvider());
         this.register(String[].class, new StringArrayCommandProvider());
 
         this.register(Player.class, new PlayerCommandProvider(commandHandler.getJavaPlugin()));

src/main/java/xyz/damt/command/provider/impl/normal/UUIDCommandProvider.java

@@ -0,0 +1,24 @@
+package xyz.damt.command.provider.impl.normal;
+
+import org.bukkit.ChatColor;
+import xyz.damt.command.exception.CommandProviderNullException;
+import xyz.damt.command.provider.CommandProvider;
+
+import java.util.UUID;
+
+public class UUIDCommandProvider implements CommandProvider<UUID> {
+
+    @Override
+    public UUID provide(String s) throws CommandProviderNullException {
+        UUID uuid;
+
+        try {
+            uuid = UUID.fromString(s);
+        } catch (Exception exception) {
+            throw new CommandProviderNullException(ChatColor.RED + "The UUID you have inputted is not valid!");
+        }
+
+        return uuid;
+    }
+
+}