Fix deletion of credentials.json file

src/main/java/icu/jnet/whatsjava/messages/WAMessageParser.java

@@ -93,7 +93,7 @@ private static WAMessage[] messageToObject(JsonArray childrenArray) {
 
 	// Convert json message of the type "chat" into WAChat
 	private static WAChat[] chatToObject(JsonArray childrenArray) {
-		WAChat[] WAChats = new WAChat[childrenArray.size()];
+		WAChat[] waChats = new WAChat[childrenArray.size()];
 
 		for(int i = 0; i < childrenArray.size(); i++) {
 			JsonObject chatAttributes = childrenArray.get(i).getAsJsonArray().get(1).getAsJsonObject();
@@ -103,10 +103,10 @@ private static WAChat[] chatToObject(JsonArray childrenArray) {
 			long lastInteraction = chatAttributes.get("t").getAsLong();
 			boolean muted = chatAttributes.get("mute").getAsBoolean();
 
-			WAChats[i] = new WAChat(jid, name, unreadMessages, lastInteraction, muted);
+			waChats[i] = new WAChat(jid, name, unreadMessages, lastInteraction, muted);
 		}
-		storedWAChats = WAChats;
-		return WAChats;
+		storedWAChats = waChats;
+		return waChats;
 	}
 
 	// Convert json message of the type "contacts" into WebChat

src/main/java/icu/jnet/whatsjava/whatsapp/WABackendConnector.java

@@ -152,16 +152,15 @@ private int initOrRestoreSession() {
 
                 String challengeResponse = sendText(challengeRequest);
                 loginStatus = Utils.encodeValidJson(challengeResponse).get("status").getAsInt();
-
-                // An error occurred during authentication
-                // Old session data is invalid so it gets deleted
-                if(loginStatus != 200) {
-                    AuthCredentials.deletePreviousSession(credentialsPath);
-                    disconnect();
-                }
             } else {
                 loginStatus = Utils.encodeValidJson(restoreResponse).get("status").getAsInt();
             }
+            // An error occurred during authentication
+            // Old session data is invalid so it gets deleted
+            if(loginStatus != 200) {
+                AuthCredentials.deletePreviousSession(credentialsPath);
+                disconnect();
+            }
         }
         listener.onReceiveLoginResponse(loginStatus);
         return loginStatus;
@@ -216,14 +215,14 @@ private String waitForTextMessage(String... search) {
                         }
                     }
                 }
-                Utils.waitMill(100);
+                Utils.waitMill(50);
             }
         }
         return null;
     }
 
     @Override
-    public void onTextMessage(WebSocket websocket, String message) throws Exception {
+    public void onTextMessage(WebSocket websocket, String message) {
         textMessageBuffer.add(message);
     }
 
@@ -232,7 +231,7 @@ public void onBinaryMessage(WebSocket websocket, byte[] binaryMessage) throws Ex
         // Decrypt binary message
         byte[] decrypted = BinaryEncryption.decrypt(binaryMessage, auth.getEncryptionKeyPair());
 
-        // Use protobuf to make messages of the type "message" human readable
+        // Use protobuf to make messages of the type "message" human-readable
         String decoded = new BinaryDecoder().decode(decrypted);
         textMessageBuffer.add(decoded);
         WAMessageParser.jsonToObjects(decoded);