cleaner ABC: subclasses have to throw themselves an Unupported Exception (like for getShape)

VadereState/src/org/vadere/state/scenario/ScenarioElement.java

@@ -8,9 +8,7 @@ public abstract class ScenarioElement {
 
 	public abstract VShape getShape();
 	
-	public void setShape(VShape newShape) {
-		throw new UnsupportedOperationException("This concrete scenario element does not support setting the shape.");
-	}
+	public abstract void setShape(VShape newShape);
 
 	public abstract int getId();
 

VadereState/src/org/vadere/state/scenario/Teleporter.java

@@ -28,6 +28,11 @@ public class Teleporter extends ScenarioElement {
 		throw new UnsupportedOperationException("A teleporter does not have a shape.");
 	}
 
+	@Override
+	public void setShape(VShape newShape) {
+		throw new UnsupportedOperationException("A teleporter does not have a shape.");
+	}
+
 	@Override
 	public int getId() {
 		return -1;