diff --git a/SpigotCore_Main/src/de/steamwar/command/SWCommand.java b/SpigotCore_Main/src/de/steamwar/command/SWCommand.java
index ac3f65d..47b4253 100644
--- a/SpigotCore_Main/src/de/steamwar/command/SWCommand.java
+++ b/SpigotCore_Main/src/de/steamwar/command/SWCommand.java
@@ -81,32 +81,14 @@ public abstract class SWCommand {
         });
 
         for (Method method : getClass().getDeclaredMethods()) {
-            add(Mapper.class, method, i -> i != 0, false, TypeMapper.class, (anno, parameters) -> {
-                try {
-                    method.setAccessible(true);
-                    Object object = method.invoke(this);
-                    SWCommandUtils.addMapper(anno.value(), (TypeMapper<?>) object);
-                } catch (Exception e) {
-                    throw new SecurityException(e.getMessage(), e);
-                }
+            addMapper(Mapper.class, method, i -> i != 0, false, TypeMapper.class, (anno, typeMapper) -> {
+                SWCommandUtils.addMapper(anno.value(), typeMapper);
             });
-            add(ClassMapper.class, method, i -> i != 0, false, TypeMapper.class, (anno, parameters) -> {
-                try {
-                    method.setAccessible(true);
-                    Object object = method.invoke(this);
-                    SWCommandUtils.addMapper(anno.value().getTypeName(), (TypeMapper<?>) object);
-                } catch (Exception e) {
-                    throw new SecurityException(e.getMessage(), e);
-                }
+            addMapper(ClassMapper.class, method, i -> i != 0, false, TypeMapper.class, (anno, typeMapper) -> {
+                SWCommandUtils.addMapper(anno.value().getTypeName(), typeMapper);
             });
-            add(LocalMapper.class, method, i -> i != 0, false, TypeMapper.class, (anno, parameters) -> {
-                try {
-                    method.setAccessible(true);
-                    Object object = method.invoke(this);
-                    localTypeMapper.put(anno.value(), (TypeMapper<?>) object);
-                } catch (Exception e) {
-                    throw new SecurityException(e.getMessage(), e);
-                }
+            addMapper(LocalMapper.class, method, i -> i != 0, false, TypeMapper.class, (anno, typeMapper) -> {
+                localTypeMapper.put(anno.value(), typeMapper);
             });
             add(RegisterHelp.class, method, i -> i != 1, true, null, (anno, parameters) -> {
                 if (!parameters[parameters.length - 1].isVarArgs()) {
@@ -160,6 +142,18 @@ public abstract class SWCommand {
         consumer.accept(anno, parameters);
     }
 
+    private <T extends Annotation> void addMapper(Class<T> annotation, Method method, IntPredicate parameterTester, boolean firstParameter, Class<?> returnType, BiConsumer<T, TypeMapper<?>> consumer) {
+        add(annotation, method, parameterTester, firstParameter, returnType, (anno, parameters) -> {
+            try {
+                method.setAccessible(true);
+                Object object = method.invoke(this);
+                consumer.accept(anno, (TypeMapper<?>) object);
+            } catch (Exception e) {
+                throw new SecurityException(e.getMessage(), e);
+            }
+        });
+    }
+
     protected boolean isEnabled() {
         return enabled;
     }
diff --git a/SpigotCore_Main/src/de/steamwar/command/SWCommandUtils.java b/SpigotCore_Main/src/de/steamwar/command/SWCommandUtils.java
index 93f6ec0..deb4523 100644
--- a/SpigotCore_Main/src/de/steamwar/command/SWCommandUtils.java
+++ b/SpigotCore_Main/src/de/steamwar/command/SWCommandUtils.java
@@ -116,6 +116,10 @@ public class SWCommandUtils {
         return arguments;
     }
 
+    public static <T> void addMapper(Class<T> clazz, TypeMapper<T> mapper) {
+        addMapper(clazz.getTypeName(), mapper);
+    }
+
     public static void addMapper(String name, TypeMapper<?> mapper) {
         if (MAPPER_FUNCTIONS.containsKey(name)) return;
         MAPPER_FUNCTIONS.put(name, mapper);