README.md

@@ -49,134 +49,6 @@ graph TD;
 
 За историю отвечает класс *StoryTeller*. Он меняет состояние персонажей и отображает их состояние.
 
-## UML диаграмма
-```mermaid
-classDiagram
-direction BT
-class Character {
-  # Feels feel
-  # Item itemInHand
-  - Gender gender
-  - Entity position
-  - String currentState
-  + setFeel(Feels) void
-  + getGender() String
-  + moveTo(Entity) void
-  + getState() String
-  + getPosition() Entity
-  + getItemInHand() Item
-  + grab(Item) void
-  # setState(String) void
-  # setPosition(Entity) void
-  - validateFields() void
-  - getValueForField(Object, Field) String?
-  - setValueForField(Object, Field, String) void
-}
-class Container {
-  - Item innerItem
-  + getInnerItem() Item
-}
-class Door {
-  - boolean isOpen
-  + closeDoor() void
-  + openDoor() void
-}
-class Entity {
-  # String name
-  + getName() String
-}
-class ExitFuelException
-class Feels {
-<<enumeration>>
-  +  SAD
-  +  SCARY
-  +  RAGE
-  +  DEAD_INSIDE
-  +  ANGRY
-  +  NORMAL
-  - String feel
-  + valueOf(String) Feels
-  + toString() String
-  + values() Feels[]
-}
-class FrenBok {
-  - IGrabbable characterInHand
-  + pushCharacterBehindItem(Item) void
-  + moveTo(Entity) void
-  + grab(Item) void
-  + grabCharacter(IGrabbable) void
-}
-class ICanTake {
-<<Interface>>
-  + grab(Item) void
-}
-class IFeelable {
-<<Interface>>
-  + setFeel(Feels) void
-}
-class IFlyable {
-<<Interface>>
-  + flyTo(Entity) void
-}
-class IGrabbable {
-<<Interface>>
-  + getGrabbablePart() String
-}
-class IMovable {
-<<Interface>>
-  + moveTo(Entity) void
-}
-class Item {
-  - Character owner
-  + setOwner(Character) void
-  + equals(Object) boolean
-  + getOwner() Character
-}
-class Karlson {
-  - Engine engine
-  + grab(Item) void
-  + flyTo(Entity) void
-  + moveTo(Entity) void
-  + grabFrom(Container) void
-  + stomp() void
-  + getGrabbablePart() String
-}
-class Main {
-  + main(String[]) void
-}
-class Malysh {
-  - Mouth mouth
-  + moveTo(Entity) void
-  + speak(String) void
-  + grab(Item) void
-}
-class OwnershipException
-class StoryTeller {
-  - FrenBok frenBok
-  - Door door
-  - Karlson karlson
-  - Item meatball
-  - Container fryingPan
-  - Item kitchenHob
-  - Malysh malysh
-  + play() void
-}
-
-Character  -->  Entity 
-Character  ..>  ICanTake 
-Character  ..>  IFeelable 
-Character  ..>  IMovable 
-Container  -->  Item 
-Door  -->  Item 
-FrenBok  -->  Character 
-IGrabbable  -->  IMovable 
-Item  -->  Entity 
-Karlson  -->  Character 
-Karlson  ..>  IFlyable 
-Karlson  ..>  IGrabbable 
-Malysh  -->  Character 
-```
-
 ## Особенности 4 лабы
 Есть два исключения: `OwnershipException` и `ExitFuelException`. `OwnershipException` - исключение при взятии чужой вещи.
 `ExitFuelException` возникает, когда у Карлсона кончается топливо.

src/Annotations/ValidLength.java

@@ -0,0 +1,11 @@
+package Annotations;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Target(ElementType.FIELD)
+@Retention(RetentionPolicy.RUNTIME)
+public @interface ValidLength {
+}

src/Characters/Character.java

@@ -1,5 +1,6 @@
 package Characters;
 
+import Annotations.ValidLength;
 import Entity.Entity;
 import Items.Item;
 
@@ -25,6 +26,8 @@ public abstract class Character extends Entity implements IMovable, IFeelable, I
 
   private final Gender gender;
   private Entity position;
+
+  @ValidLength
   private String currentState = "";
   protected Feels feel;
   protected Item itemInHand;
@@ -62,6 +65,7 @@ public abstract class Character extends Entity implements IMovable, IFeelable, I
 
   protected final void setPosition(Entity obj) {
     this.position = obj;
+    this.validateFields();
   }
 
   public final String getState() {
@@ -70,6 +74,7 @@ public abstract class Character extends Entity implements IMovable, IFeelable, I
 
   protected final void setState(String state) {
     this.currentState = state;
+    this.validateFields();
   }
 
   @Override
@@ -89,4 +94,34 @@ public abstract class Character extends Entity implements IMovable, IFeelable, I
   public int hashCode() {
     return Objects.hash(this.name, this.gender);
   }
+
+  private void validateFields() {
+    for (java.lang.reflect.Field field : Character.class.getDeclaredFields()) {
+      if (field.isAnnotationPresent(ValidLength.class)) {
+        String value = getValueForField(this, field);
+        if (value.length() < 3 || value.length() > 20) {
+          setValueForField(this, field, "unknown");
+        }
+      }
+    }
+  }
+
+  private static String getValueForField(Object obj, java.lang.reflect.Field field) {
+    try {
+      field.setAccessible(true);
+      return (String) field.get(obj);
+    } catch (IllegalAccessException e) {
+      e.printStackTrace();
+    }
+    return null;
+  }
+
+  private static void setValueForField(Object obj, java.lang.reflect.Field field, String value) {
+    try {
+      field.setAccessible(true);
+      field.set(obj, value);
+    } catch (IllegalAccessException e) {
+      e.printStackTrace();
+    }
+  }
 }