bisa menangani lost connection

src/client/TheAlchemistClient/src/thealchemist/engine/Connection.java

@@ -19,6 +19,8 @@ import java.net.Socket;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 import java.util.ArrayList;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 import javax.swing.Icon;
 import javax.swing.ImageIcon;
 import org.json.JSONArray;
@@ -36,8 +38,8 @@ public class Connection {
         private DataOutputStream toClient;
         String response;
         String request;
-        private static String URL = "167.205.32.46";
-        private static int defPort = 8025;
+        private static String URL = "localhost";
+        private static int defPort = 6789;
 
 //        private static String URL;
 //        private static int defPort;
@@ -46,29 +48,37 @@ public class Connection {
 //            connectionSocket = c;  
 //        }
         
-        public String sendRequest(String JSON) throws IOException, JSONException{
-            miniSocket = new Socket(URL,defPort);
-            char[] buffer = new char[1024];
-
-            JSONObject obj = new JSONObject(JSON);
-            
-            sendToClient(obj.toString());
-//            PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(miniSocket.getOutputStream()))); 
+        public String sendRequest(String JSON){
+            try {
+                miniSocket = new Socket(URL,defPort);
+                char[] buffer = new char[1024];
+                
+                JSONObject obj = new JSONObject(JSON);
+                
+                sendToClient(obj.toString());
+//            PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(miniSocket.getOutputStream())));
 //            out.print(obj);
 //            //out.print();
 //            out.flush();
-            
-            fromClient =  new BufferedReader(new InputStreamReader(miniSocket.getInputStream()));
-            fromClient.read(buffer);
-            clientSentence = new String(buffer);
-
+                
+                fromClient =  new BufferedReader(new InputStreamReader(miniSocket.getInputStream()));
+                fromClient.read(buffer);
+                clientSentence = new String(buffer);
+                
 //            InputStream dataInputStream = new DataInputStream(miniSocket.getInputStream());
 //            InputStreamReader inputStreamReader = new InputStreamReader(dataInputStream);
 //            BufferedReader in = new BufferedReader(inputStreamReader);
 //            in.read(buffer);
 //            response = new String(buffer);
 //            in.close();
-            return clientSentence;
+                return clientSentence;
+            } catch (IOException ex) {
+                //Logger.getLogger(Connection.class.getName()).log(Level.SEVERE, null, ex);
+                return "{\"status\": \"error\"}";
+            } catch (JSONException ex) {
+                //Logger.getLogger(Connection.class.getName()).log(Level.SEVERE, null, ex);
+                return "{\"status\": \"error\"}";
+            }
         }
         
         public void setToken(String JSONString){