Changes:

fixed TikTokLive.isHostNameValid()
  fixed TikTokLive.isLiveOnline()

  those methods was not working in some regions

API/src/main/java/io/github/jwdeveloper/tiktok/data/dto/TikTokUserInfo.java

@@ -0,0 +1,21 @@
+package io.github.jwdeveloper.tiktok.data.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+@Data
+@AllArgsConstructor
+public class TikTokUserInfo
+{
+    UserStatus userStatus;
+
+    String roomId;
+
+    public enum UserStatus
+    {
+        NotFound,
+        Offline,
+        LivePaused,
+        Live
+    }
+}

Client/src/main/java/io/github/jwdeveloper/tiktok/TikTokLiveClient.java

@@ -93,8 +93,7 @@ public class TikTokLiveClient implements LiveClient {
     public void connect() {
         try {
             tryConnect();
-        } catch (TikTokLiveException e)
-        {
+        } catch (TikTokLiveException e) {
             setState(ConnectionState.DISCONNECTED);
             tikTokEventHandler.publish(this, new TikTokErrorEvent(e));
             tikTokEventHandler.publish(this, new TikTokDisconnectedEvent());
@@ -109,6 +108,10 @@ public class TikTokLiveClient implements LiveClient {
                 this.connect();
             }
             throw e;
+        } catch (Exception e) {
+            logger.info("Unhandled exception report this bug to github https://github.com/jwdeveloper/TikTokLiveJava/issues");
+            this.disconnect();
+            e.printStackTrace();
         }
     }
 
@@ -156,7 +159,7 @@ public class TikTokLiveClient implements LiveClient {
         var clientData = apiService.fetchClientData();
         webSocketClient.start(clientData, this);
         setState(ConnectionState.CONNECTED);
-        tikTokEventHandler.publish(this,new TikTokRoomInfoEvent(liveRoomInfo));
+        tikTokEventHandler.publish(this, new TikTokRoomInfoEvent(liveRoomInfo));
     }
 
 

Client/src/main/java/io/github/jwdeveloper/tiktok/http/TikTokApiService.java

@@ -23,7 +23,7 @@
 package io.github.jwdeveloper.tiktok.http;
 
 import io.github.jwdeveloper.tiktok.ClientSettings;
-import io.github.jwdeveloper.tiktok.exceptions.TikTokLiveException;
+import io.github.jwdeveloper.tiktok.data.dto.TikTokUserInfo;
 import io.github.jwdeveloper.tiktok.exceptions.TikTokLiveOfflineHostException;
 import io.github.jwdeveloper.tiktok.exceptions.TikTokLiveRequestException;
 import io.github.jwdeveloper.tiktok.live.LiveRoomMeta;
@@ -57,62 +57,43 @@ public class TikTokApiService {
     }
 
     public String fetchRoomId(String userName) {
-        var roomId = fetchRoomIdFromTiktokApi(userName);
-        clientSettings.getClientParameters().put("room_id", roomId);
-        logger.info("RoomID -> " + roomId);
-        return roomId;
+        var userInfo = fetchUserInfoFromTikTokApi(userName);
+        clientSettings.getClientParameters().put("room_id", userInfo.getRoomId());
+        logger.info("RoomID -> " + userInfo.getRoomId());
+        return userInfo.getRoomId();
     }
 
-    private String fetchRoomIdFromTikTokPage(String userName)
-    {
-           /*  var roomId = RequestChain.<String>create()
-                .then(() -> fetchRoomIdFromTikTokPage(userName))
-                .then(() -> fetchRoomIdFromTiktokApi(userName))
-                .run();*/
-        logger.info("Fetching room ID");
-        String html;
-        try {
-            html = tiktokHttpClient.getLivestreamPage(userName);
-        } catch (Exception e) {
-            throw new TikTokLiveRequestException("Failed to fetch room id from WebCast, see stacktrace for more info.", e);
-        }
-
-        var firstPattern = Pattern.compile("room_id=([0-9]*)");
-        var firstMatcher = firstPattern.matcher(html);
-        var id = "";
-
-        if (firstMatcher.find()) {
-            id = firstMatcher.group(1);
-        } else {
-            var secondPattern = Pattern.compile("\"roomId\":\"([0-9]*)\"");
-            var secondMatcher = secondPattern.matcher(html);
-
-            if (secondMatcher.find()) {
-                id = secondMatcher.group(1);
-            }
-        }
-
-        if (id.isEmpty()) {
-            throw new TikTokLiveOfflineHostException("Unable to fetch room ID, live host could be offline or name is misspelled");
-        }
-
-
-        return id;
-    }
-
-    private String fetchRoomIdFromTiktokApi(String userName) {
+    public TikTokUserInfo fetchUserInfoFromTikTokApi(String userName) {
 
         var params = new HashMap<>(clientSettings.getClientParameters());
         params.put("uniqueId", userName);
         params.put("sourceType", 54);
         var roomData = tiktokHttpClient.getJsonFromTikTokApi("api-live/user/room/", params);
 
+        var message = roomData.get("message").getAsString();
+
+        if (message.equals("params_error")) {
+            throw new TikTokLiveRequestException("fetchRoomIdFromTiktokApi -> Unable to fetch roomID, contact with developer");
+        }
+        if (message.equals("user_not_found")) {
+            return new TikTokUserInfo(TikTokUserInfo.UserStatus.NotFound, "");
+        }
+        //live -> status 2
+        //live paused -> 3
+        //not live -> status 4
         var data = roomData.getAsJsonObject("data");
-        var user =data.getAsJsonObject("user");
+        var user = data.getAsJsonObject("user");
         var roomId = user.get("roomId").getAsString();
+        var status = user.get("status").getAsInt();
 
+        var statusEnum = switch (status) {
+            case 2 ->  TikTokUserInfo.UserStatus.Live;
+            case 3 -> TikTokUserInfo.UserStatus.LivePaused;
+            case 4 -> TikTokUserInfo.UserStatus.Offline;
+            default -> TikTokUserInfo.UserStatus.NotFound;
+        };
 
-        return roomId;
+        return new TikTokUserInfo(statusEnum, roomId);
     }
 
 

Client/src/main/java/io/github/jwdeveloper/tiktok/http/TikTokDataChecker.java

@@ -1,12 +1,15 @@
 package io.github.jwdeveloper.tiktok.http;
 
+import io.github.jwdeveloper.tiktok.ClientSettings;
+import io.github.jwdeveloper.tiktok.Constants;
+import io.github.jwdeveloper.tiktok.data.dto.TikTokUserInfo;
 import io.github.jwdeveloper.tiktok.exceptions.TikTokLiveRequestException;
 
 import java.util.concurrent.CompletableFuture;
+import java.util.logging.Logger;
 import java.util.regex.Pattern;
 
-public class TikTokDataChecker
-{
+public class TikTokDataChecker {
 
     public CompletableFuture<Boolean> isOnlineAsync(String hostName) {
         return CompletableFuture.supplyAsync(() -> isOnline(hostName));
@@ -17,63 +20,24 @@ public class TikTokDataChecker
     }
 
     public boolean isOnline(String hostName) {
-        var factory = new TikTokHttpRequestFactory(new TikTokCookieJar());
-        var url = getLiveUrl(hostName);
-        try {
-            var response = factory.get(url);
-            var titleContent = extractTitleContent(response);
-            return isTitleLiveOnline(titleContent);
-        } catch (Exception e)
-        {
-            throw new TikTokLiveRequestException("Unable to make check live online request",e);
-        }
+        var data = getApiService().fetchUserInfoFromTikTokApi(hostName);
+        return data.getUserStatus() == TikTokUserInfo.UserStatus.Live ||
+                data.getUserStatus() == TikTokUserInfo.UserStatus.LivePaused;
     }
 
     public boolean isHostNameValid(String hostName) {
-        var factory = new TikTokHttpRequestFactory(new TikTokCookieJar());
-        var url = getProfileUrl(hostName);
-        try {
-            var response = factory.get(url);
-            var titleContent = extractTitleContent(response);
-            return isTitleHostNameValid(titleContent, hostName);
-        } catch (Exception e)
-        {
-            throw new TikTokLiveRequestException("Unable to make check host name valid request",e);
-        }
+        var data = getApiService().fetchUserInfoFromTikTokApi(hostName);
+        return data.getUserStatus() != TikTokUserInfo.UserStatus.NotFound;
     }
 
-    private boolean isTitleLiveOnline(String title) {
-        return title.contains("is LIVE");
+    public TikTokApiService getApiService() {
+        var jar = new TikTokCookieJar();
+        var factory = new TikTokHttpRequestFactory(jar);
+        var client = new TikTokHttpClient(jar, factory);
+        var settings = new ClientSettings();
+        settings.setClientParameters(Constants.DefaultClientParams());
+        var apiService = new TikTokApiService(client, Logger.getGlobal(), settings);
+        return apiService;
     }
 
-    private boolean isTitleHostNameValid(String title, String hostName)
-    {
-        return title.contains(hostName);
-    }
-
-    private String extractTitleContent(String html) {
-        var regex = "<title\\b[^>]*>(.*?)<\\/title>";
-        var pattern = Pattern.compile(regex);
-        var matcher = pattern.matcher(html);
-        if (matcher.find()) {
-            return matcher.group(1);
-        } else {
-            return "";
-        }
-    }
-
-    private String getLiveUrl(String hostName) {
-        var sb = new StringBuilder();
-        sb.append("https://www.tiktok.com/@");
-        sb.append(hostName);
-        sb.append("/live");
-        return sb.toString();
-    }
-
-    private String getProfileUrl(String hostName) {
-        var sb = new StringBuilder();
-        sb.append("https://www.tiktok.com/@");
-        sb.append(hostName);
-        return sb.toString();
-    }
 }

Client/src/test/java/io/github/jwdeveloper/tiktok/http/TikTokLiveOnlineCheckerTest.java

@@ -5,14 +5,50 @@ import org.junit.jupiter.api.Test;
 
 public class TikTokLiveOnlineCheckerTest {
 
-    private final String TARGET_USER = "bangbetmenygy";
+    public boolean enableTests = false;
 
     @Test
     public void shouldTestOnline() {
+
+        if(!enableTests)
+        {
+            return;
+        }
+
+        var TARGET_USER = "bangbetmenygy";
         var sut = new TikTokDataChecker();
         var result = sut.isOnline(TARGET_USER);
 
         Assertions.assertTrue(result);
     }
 
+    @Test
+    public void shouldBeOffline() {
+
+        var TARGET_USER = "dostawcavideo";
+        var sut = new TikTokDataChecker();
+        var result = sut.isOnline(TARGET_USER);
+
+        Assertions.assertFalse(result);
+    }
+
+    @Test
+    public void shouldBeValid() {
+
+        var TARGET_USER = "dostawcavideo";
+        var sut = new TikTokDataChecker();
+        var result = sut.isHostNameValid(TARGET_USER);
+
+        Assertions.assertTrue(result);
+    }
+
+    @Test
+    public void shouldNotBeValid() {
+        var TARGET_USER = "adadsdadadadadadadadddasdadsafafsafsafas";
+        var sut = new TikTokDataChecker();
+        var result = sut.isHostNameValid(TARGET_USER);
+
+        Assertions.assertFalse(result);
+    }
+
 }

Examples/src/main/java/io/github/jwdeveloper/tiktok/SimpleExample.java

@@ -31,25 +31,25 @@ import java.util.logging.Level;
 
 public class SimpleExample
 {
-    public static String TIKTOK_HOSTNAME = "bangbetmenygy";
+    public static String TIKTOK_HOSTNAME = "adasdsadadadasdasdsadasdasad";
     public static void main(String[] args) throws IOException {
 
         showLogo();
         // set tiktok username
 
-        /*
-        Optional checking if host name is correct
+
+        //Optional checking if host name is correct
         if(TikTokLive.isHostNameValid(TIKTOK_HOSTNAME))
         {
-            System.out.println("Live is online!");
+            System.out.println("user name exists!");
         }
 
-        Optional checking if live is online
+        //Optional checking if live is online
         if(TikTokLive.isLiveOnline(TIKTOK_HOSTNAME))
         {
             System.out.println("Live is online!");
         }
-        */
+
 
         TikTokLive.newClient(SimpleExample.TIKTOK_HOSTNAME)
                 .configure(clientSettings ->