Delete HttpResponseStatusCodes.java and statusCode field (#199)

* change the setter methods to void type

* Convert statusCode to run methode and make fileRequestHandler final

* Delete HttpResponseStatusCodes.java and statusCode field

* Add HTTP_RESPONSE_STATUS_CODES to ResponseCode.java

* Restoration Setter methode in Configuration.java

src/main/java/org/fungover/storm/client/ClientHandler.java

@@ -5,6 +5,7 @@
 import org.fungover.storm.filehandler.re.FileInfo;
 import org.fungover.storm.filehandler.re.FileNotFoundException;
 import org.fungover.storm.filehandler.re.FileRequestHandler;
+import org.fungover.storm.filehandler.re.ResponseCode;
 
 import java.io.BufferedReader;
 import java.io.IOException;
@@ -16,8 +17,7 @@
 public class ClientHandler implements Runnable {
     private static final Logger LOGGER = LogManager.getLogger("CLIENT_HANDLER");
     private final Socket clientSocket;
-    private HttpResponseStatusCodes statusCode;
-    private FileRequestHandler fileRequestHandler;
+    private final FileRequestHandler fileRequestHandler;
 
     public ClientHandler(Socket socket, FileRequestHandler fileRequestHandler) {
         this.clientSocket = socket;
@@ -43,9 +43,8 @@ public void run() {
             out.close();
             clientSocket.close();
         } catch (IOException e) {
-            statusCode = new HttpResponseStatusCodes();
             if (e.getMessage().contains("500"))
-                LOGGER.error(statusCode.getError500());
+                LOGGER.error(ResponseCode.HTTP_RESPONSE_STATUS_CODES);
             else
                 LOGGER.error(e.getMessage());
         }

src/main/java/org/fungover/storm/filehandler/re/ResponseCode.java

@@ -7,9 +7,9 @@ public enum ResponseCode {
     FORBIDDEN("403 Forbidden"),
     TEAPOT("418 I´m a teapot"),
     INTERNAL_SERVER_ERROR("500 Internal Server Error"),
+    HTTP_RESPONSE_STATUS_CODES("500 Internal Server Error\r\n"),
     NOT_IMPLEMENTED("501 Not Implemented");
 
-
     private final String code;
 
     ResponseCode(String code) {