armor stand to mannequin and back

src/main/java/me/youhavetrouble/standin/converter/MannequinToArmorStandConverter.java

@@ -0,0 +1,37 @@
+package me.youhavetrouble.standin.converter;
+
+import me.youhavetrouble.standin.StandIn;
+import org.bukkit.entity.ArmorStand;
+import org.bukkit.entity.Mannequin;
+import org.bukkit.inventory.EquipmentSlot;
+import org.jetbrains.annotations.NotNull;
+
+public class MannequinToArmorStandConverter implements EntityConverter<Mannequin, ArmorStand> {
+
+    @Override
+    public Class<Mannequin> entityFrom() {
+        return Mannequin.class;
+    }
+
+    @Override
+    public Class<ArmorStand> entityTo() {
+        return ArmorStand.class;
+    }
+
+    @Override
+    public ArmorStand spawn(@NotNull Mannequin from) {
+        try {
+            return from.getWorld().spawn(from.getLocation(), entityTo(), (armorStand -> {
+                for (EquipmentSlot slot : EquipmentSlot.values()) {
+                    try {
+                        armorStand.getEquipment().setItem(slot, from.getEquipment().getItem(slot));
+                    } catch (IllegalArgumentException ignored) {
+                    }
+                }
+            }));
+        } catch (IllegalArgumentException e) {
+            StandIn.getPlugin(StandIn.class).getSLF4JLogger().warn("Failed to spawn entity", e);
+            return null;
+        }
+    }
+}