Lab2

src/AbstractStrategy.java

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+public abstract class AbstractStrategy {
+    private IMoveableObject moveableObject;
+    private Status state = Status.NOT_INIT;
+    private int fieldWidth;
+    protected int getFieldWidth(){return fieldWidth;}
+    private int fieldHeight;
+    protected int getFieldHeight(){return fieldHeight;}
+    public Status getStatus() {return state;}
+    public void setData(IMoveableObject moveableObject, int width, int height){
+        if (moveableObject == null)
+        {
+            state = Status.NOT_INIT;
+            return;
+        }
+        state = Status.IN_PROGRESS;
+        this.moveableObject = moveableObject;
+        fieldWidth = width;
+        fieldHeight = height;
+    }
+    public void makeStep(){
+        if (state != Status.IN_PROGRESS) {
+            return;
+        }
+        if (isTargetDestination()) {
+            state = Status.FINISH;
+            return;
+        }
+        moveToTarget();
+    }
+    protected boolean moveLeft() {return moveTo(DirectionType.LEFT);}
+    protected boolean moveRight() {return moveTo(DirectionType.RIGHT);}
+    protected boolean moveUp() {return moveTo(DirectionType.UP);}
+    protected boolean moveDown() {return moveTo(DirectionType.DOWN);}
+    protected ObjectParameters getObjectParameters(){
+        if(moveableObject != null)
+            return moveableObject.getObjectPosition();
+        else return null;
+    }
+    protected Integer getStep() {
+        if (state != Status.IN_PROGRESS)
+        {
+            return null;
+        }
+        return moveableObject.getStep();
+    }
+    protected abstract void moveToTarget();
+    protected abstract boolean isTargetDestination();
+    private boolean moveTo(DirectionType directionType) {
+        if (state != Status.IN_PROGRESS)
+        {
+            return false;
+        }
+        if (moveableObject.checkCanMove(directionType))
+        {
+            moveableObject.moveObject(directionType);
+            return true;
+        }
+        return false;
+    }
+}

src/DrawingBus.java

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+package PACKAGE_NAME;public class DrawingBus {
+}

src/DrawingDoorsRoundedUp.java

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+package PACKAGE_NAME;public class DrawingDoorsRoundedUp {
+}

src/DrawingDoorsRoundedUpAndDown.java

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+package PACKAGE_NAME;public class DrawingDoorsRoundedUpAndDown {
+}

src/DrawingObjectBus.java

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+package PACKAGE_NAME;public class DrawingObjectBus {
+}

src/EntityBus.java

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+package PACKAGE_NAME;public class EntityBus {
+}

src/IDrawDoors.java

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+package PACKAGE_NAME;public interface IDrawDoors {
+}

src/IMoveableObject.java

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+package PACKAGE_NAME;public interface IMoveableObject {
+}

src/MoveToBorder.java

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+package PACKAGE_NAME;public class MoveToBorder {
+}

src/ObjectParameters.java

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+package PACKAGE_NAME;public class ObjectParameters {
+}