change copy algorithm

CityDoctorParent/CityDoctorModel/src/main/java/de/hft/stuttgart/citydoctor2/utils/Copy.java

@@ -18,16 +18,38 @@
  */
 package de.hft.stuttgart.citydoctor2.utils;
 
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+
 public class Copy {
 
-	
 	private Copy() {
 	}
-	
+
 	public static <T extends Copyable> T copy(T original) {
-		CopyHandler handler = new CopyHandler();
-		return handler.copy(original);
+		ByteArrayOutputStream out = new ByteArrayOutputStream();
+		try {
+			ObjectOutputStream oos = new ObjectOutputStream(out);
+			oos.writeObject(original);
+			oos.flush();
+			oos.close();
+			byte[] byteArray = out.toByteArray();
+			ByteArrayInputStream in = new ByteArrayInputStream(byteArray);
+			ObjectInputStream ois = new ObjectInputStream(in);
+			return (T) ois.readObject();
+		} catch (IOException e) {
+			e.printStackTrace();
+		} catch (ClassNotFoundException e) {
+			e.printStackTrace();
+		}
+		throw new IllegalStateException();
+
+//		CopyHandler handler = new CopyHandler();
+//		return handler.copy(original);
+
 	}
-	
 
 }