added common serializer for primitive data types

plugin/src/main/java/lol/pyr/znpcsplus/entity/EntityPropertyRegistryImpl.java

@@ -44,7 +44,6 @@ public class EntityPropertyRegistryImpl implements EntityPropertyRegistry {
     private final Map<String, EntityPropertyImpl<?>> byName = new HashMap<>();
 
     public EntityPropertyRegistryImpl(MojangSkinCache skinCache) {
-        registerSerializer(new BooleanPropertySerializer());
         registerSerializer(new ComponentPropertySerializer());
         registerSerializer(new NamedTextColorPropertySerializer());
         registerSerializer(new SkinDescriptorSerializer(skinCache));
@@ -52,7 +51,6 @@ public class EntityPropertyRegistryImpl implements EntityPropertyRegistry {
         registerSerializer(new ColorPropertySerializer());
         registerSerializer(new Vector3fPropertySerializer());
         registerSerializer(new BlockStatePropertySerializer());
-        registerSerializer(new IntegerPropertySerializer());
         registerSerializer(new LookTypeSerializer());
 
         registerEnumSerializer(NpcPose.class);
@@ -77,6 +75,8 @@ public class EntityPropertyRegistryImpl implements EntityPropertyRegistry {
         registerEnumSerializer(PandaGene.class);
         registerEnumSerializer(PuffState.class);
 
+        registerPrimitiveSerializers(Integer.class, Boolean.class, Double.class, Float.class, Long.class, Short.class, Byte.class, String.class);
+
         /*
         registerType("using_item", false); // TODO: fix it for 1.8 and add new property to use offhand item and riptide animation
 
@@ -517,6 +517,16 @@ public class EntityPropertyRegistryImpl implements EntityPropertyRegistry {
         serializerMap.put(clazz, new EnumPropertySerializer<>(clazz));
     }
 
+    private void registerPrimitiveSerializers(Class<?>... classes) {
+        for (Class<?> clazz : classes) {
+            registerPrimitiveSerializer(clazz);
+        }
+    }
+
+    private <T> void registerPrimitiveSerializer(Class<T> clazz) {
+        serializerMap.put(clazz, new PrimitivePropertySerializer<>(clazz));
+    }
+
     private <T> void register(EntityPropertyImpl<?> property) {
         if (byName.containsKey(property.getName()))
             throw new IllegalArgumentException("Duplicate property name: " + property.getName());

plugin/src/main/java/lol/pyr/znpcsplus/entity/PrimitivePropertySerializer.java

@@ -0,0 +1,30 @@
+package lol.pyr.znpcsplus.entity;
+
+import java.lang.reflect.InvocationTargetException;
+
+public class PrimitivePropertySerializer<T> implements PropertySerializer<T> {
+    private final Class<T> clazz;
+
+    public PrimitivePropertySerializer(Class<T> clazz) {
+        this.clazz = clazz;
+    }
+
+    @Override
+    public String serialize(T property) {
+        return String.valueOf(property);
+    }
+
+    @Override
+    public T deserialize(String property) {
+        try {
+            return clazz.getConstructor(String.class).newInstance(property);
+        } catch (InvocationTargetException | InstantiationException | IllegalAccessException | NoSuchMethodException e) {
+            throw new NullPointerException("Failed to deserialize property " + property + " of type " + clazz.getName() + "!");
+        }
+    }
+
+    @Override
+    public Class<T> getTypeClass() {
+        return clazz;
+    }
+}

plugin/src/main/java/lol/pyr/znpcsplus/entity/serializers/IntegerPropertySerializer.java

@@ -1,25 +0,0 @@
-package lol.pyr.znpcsplus.entity.serializers;
-
-import lol.pyr.znpcsplus.entity.PropertySerializer;
-
-public class IntegerPropertySerializer implements PropertySerializer<Integer> {
-    @Override
-    public String serialize(Integer property) {
-        return String.valueOf(property);
-    }
-
-    @Override
-    public Integer deserialize(String property) {
-        try {
-            return Integer.parseInt(property);
-        } catch (NumberFormatException e) {
-            e.printStackTrace();
-        }
-        return null;
-    }
-
-    @Override
-    public Class<Integer> getTypeClass() {
-        return Integer.class;
-    }
-}