zdm/envoy
zdm/envoy
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Merge branch 'develop' into f/message_notification

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This commit is contained in:
Kai S. K. Engelbart 2019-12-05 16:11:28 +01:00 committed by GitHub
commit e4249919ad
5 changed files with 341 additions and 327 deletions
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10
src/main/java/envoy/client/Client.java
View File

@ -1,5 +1,7 @@
package envoy.client;
import java.util.logging.Logger;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.client.Entity;
import javax.ws.rs.client.WebTarget;
@ -28,16 +30,18 @@ public class Client {
private Config config;
private User sender, recipient;
private static final Logger logger = Logger.getLogger(Client.class.getSimpleName());
public Client(Config config, String username) {
this.config = config;
sender = getUser(username);
System.out.println("ID: " + sender.getID());
logger.info("ID: " + sender.getID());
}
private <T, R> R post(String uri, T body, Class<R> responseBodyClass) {
javax.ws.rs.client.Client client = ClientBuilder.newClient();
WebTarget target = client.target(uri);
Response response = target.request().post(Entity.entity(body, "application/xml"));
R responseBody = response.readEntity(responseBodyClass);
response.close();
@ -92,7 +96,7 @@ public class Client {
if (returnSenderSync.getUsers().size() == 1) {
returnSender = returnSenderSync.getUsers().get(0);
} else {
System.out.println("ERROR exiting...");
logger.warning("ERROR exiting...");
}
return returnSender;

4
src/main/java/envoy/client/Config.java
View File

@ -32,7 +32,7 @@ public class Config {
*
* @param properties a {@link Properties} object containing information about
* the server and port, as well as the path to the local
* database
* database and the synchronization timeout
* @since Envoy v0.1-alpha
*/
public void load(Properties properties) {
@ -64,8 +64,6 @@ public class Config {
case "-db":
localDB = new File(args[++i]);
}
if (localDB == null) localDB = new File(".\\localDB");
if (syncTimeout == 0) syncTimeout = 1000;
}
/**

606
src/main/java/envoy/client/LocalDB.java
View File

@ -1,303 +1,303 @@
package envoy.client;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.time.Instant;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Logger;
import javax.xml.datatype.DatatypeConfigurationException;
import javax.xml.datatype.DatatypeFactory;
import envoy.client.event.EventBus;
import envoy.client.event.MessageCreationEvent;
import envoy.exception.EnvoyException;
import envoy.schema.Message;
import envoy.schema.Message.Metadata.MessageState;
import envoy.schema.ObjectFactory;
import envoy.schema.Sync;
import envoy.schema.User;
/**
* Project: <strong>envoy-client</strong><br>
* File: <strong>LocalDB.java</strong><br>
* Created: <strong>27.10.2019</strong><br>
*
* @author Kai S. K. Engelbart
* @author Maximilian K&auml;fer
* @since Envoy v0.1-alpha
*/
public class LocalDB {
private File localDB;
private User sender;
private List<Chat> chats = new ArrayList<>();
private ObjectFactory objectFactory = new ObjectFactory();
private DatatypeFactory datatypeFactory;
private Sync unreadMessagesSync = objectFactory.createSync();
private Sync sync = objectFactory.createSync();
private Sync readMessages = objectFactory.createSync();
private static final Logger logger = Logger.getLogger(LocalDB.class.getSimpleName());
/**
* Constructs an empty local database.
*
* @param client the user that is logged in with this client
* @since Envoy v0.1-alpha
*/
public LocalDB(User sender) {
this.sender = sender;
try {
datatypeFactory = DatatypeFactory.newInstance();
} catch (DatatypeConfigurationException e) {
e.printStackTrace();
}
}
/**
* Initializes the local database and fills it with values
* if the user has already sent or received messages.
*
* @param localDBDir the directory where we wish to save/load the database from.
* @throws EnvoyException if the directory selected is not an actual directory.
* @since Envoy v0.1-alpha
*/
public void initializeDBFile(File localDBDir) throws EnvoyException {
if (localDBDir.exists() && !localDBDir.isDirectory())
throw new EnvoyException(String.format("LocalDBDir '%s' is not a directory!", localDBDir.getAbsolutePath()));
localDB = new File(localDBDir, sender.getID() + ".db");
if (localDB.exists()) loadFromLocalDB();
}
/**
* Saves the database into a file for future use.
*
* @throws IOException if something went wrong during saving
* @since Envoy v0.1-alpha
*/
public void saveToLocalDB() {
try {
localDB.getParentFile().mkdirs();
localDB.createNewFile();
} catch (IOException e) {
e.printStackTrace();
logger.warning("unable to save the messages");
}
try (ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(localDB))) {
out.writeObject(chats);
} catch (IOException ex) {
ex.printStackTrace();
logger.warning("unable to save the messages");
}
}
/**
* Loads all chats saved by Envoy for the client user.
*
* @throws EnvoyException if something fails while loading.
* @since Envoy v0.1-alpha
*/
@SuppressWarnings("unchecked")
private void loadFromLocalDB() throws EnvoyException {
try (ObjectInputStream in = new ObjectInputStream(new FileInputStream(localDB))) {
Object obj = in.readObject();
if (obj instanceof ArrayList<?>) chats = (ArrayList<Chat>) obj;
} catch (ClassNotFoundException | IOException e) {
throw new EnvoyException(e);
}
}
/**
* Creates a {@link Message} object serializable to XML.
*
* @param textContent The content (text) of the message
* @return prepared {@link Message} object
*/
public Message createMessage(String textContent, User recipient) {
Message.Metadata metaData = objectFactory.createMessageMetadata();
metaData.setSender(sender.getID());
metaData.setRecipient(recipient.getID());
metaData.setState(MessageState.WAITING);
metaData.setDate(datatypeFactory.newXMLGregorianCalendar(Instant.now().toString()));
Message.Content content = objectFactory.createMessageContent();
content.setType("text");
content.setText(textContent);
Message message = objectFactory.createMessage();
message.setMetadata(metaData);
message.getContent().add(content);
return message;
}
public Sync fillSync(long userId) {
addWaitingMessagesToSync();
sync.getMessages().addAll(readMessages.getMessages());
readMessages.getMessages().clear();
logger.info(String.format("Filled sync with %d messages.", sync.getMessages().size()));
return sync;
}
public void applySync(Sync returnSync) {
for (int i = 0; i < returnSync.getMessages().size(); i++) {
// The message has an ID
if (returnSync.getMessages().get(i).getMetadata().getMessageId() != 0) {
// Messages are processes differently corresponding to their state
switch (returnSync.getMessages().get(i).getMetadata().getState()) {
case SENT:
// Update previously waiting and now sent messages that were assigned an ID by
// the server
sync.getMessages().get(i).getMetadata().setMessageId(returnSync.getMessages().get(i).getMetadata().getMessageId());
sync.getMessages().get(i).getMetadata().setState(returnSync.getMessages().get(i).getMetadata().getState());
break;
case RECEIVED:
if (returnSync.getMessages().get(i).getMetadata().getSender() != 0) {
// these are the unread Messages from the server
unreadMessagesSync.getMessages().add(returnSync.getMessages().get(i));
// Create and dispatch message creation event
EventBus.getInstance().dispatch(new MessageCreationEvent(returnSync.getMessages().get(i)));
} else {
// Update Messages in localDB to state RECEIVED
for (int j = 0; j < getChats().size(); j++) {
if (getChats().get(j).getRecipient().getID() == returnSync.getMessages().get(i).getMetadata().getRecipient()) {
for (int k = 0; k < getChats().get(j).getModel().getSize(); k++) {
if (getChats().get(j).getModel().get(k).getMetadata().getMessageId() == returnSync.getMessages()
.get(i)
.getMetadata()
.getMessageId()) {
// Update Message in LocalDB
getChats().get(j)
.getModel()
.get(k)
.getMetadata()
.setState(returnSync.getMessages().get(j).getMetadata().getState());
}
}
}
}
}
break;
case READ:
// Update local Messages to state READ
logger.info("Message with ID: " + returnSync.getMessages().get(i).getMetadata().getMessageId()
+ "was initialized to be set to READ in localDB.");
for (int j = 0; j < getChats().size(); j++) {
if (getChats().get(j).getRecipient().getID() == returnSync.getMessages().get(i).getMetadata().getRecipient()) {
logger.info("Chat with: " + getChats().get(j).getRecipient().getID() + "was selected.");
for (int k = 0; k < getChats().get(j).getModel().getSize(); k++) {
if (getChats().get(j).getModel().get(k).getMetadata().getMessageId() == returnSync.getMessages()
.get(i)
.getMetadata()
.getMessageId()) {
logger.info("Message with ID: " + getChats().get(j).getModel().get(k).getMetadata().getMessageId()
+ "was selected.");
getChats().get(j)
.getModel()
.get(k)
.getMetadata()
.setState(returnSync.getMessages().get(i).getMetadata().getState());
logger.info(
"Message State is now: " + getChats().get(j).getModel().get(k).getMetadata().getState().toString());
}
}
}
}
break;
}
}
}
// Updating UserStatus of all users in LocalDB
for (User user : returnSync.getUsers())
for (Chat chat : getChats())
if (user.getID() == chat.getRecipient().getID()) {
chat.getRecipient().setStatus(user.getStatus());
logger.info(chat.getRecipient().getStatus().toString());
}
sync.getMessages().clear();
sync.getUsers().clear();
}
/**
* Adds the unread messages returned from the server in the latest sync to the
* right chats in the LocalDB.
*
* @param localDB
* @since Envoy v0.1-alpha
*/
public void addUnreadMessagesToLocalDB() {
for(Message message : unreadMessagesSync.getMessages())
for(Chat chat : getChats())
if(message.getMetadata().getSender() == chat.getRecipient().getID()) {
chat.appendMessage(message);
break;
}
}
/**
* Changes all messages with state {@code RECEIVED} of a specific chat to state
* {@code READ}.
* <br>
* Adds these messages to the {@code readMessages} {@link Sync} object.
*
* @param currentChat
* @since Envoy v0.1-alpha
*/
public void setMessagesToRead(Chat currentChat) {
for (int i = currentChat.getModel().size() - 1; i >= 0; --i)
if (currentChat.getModel().get(i).getMetadata().getRecipient() != currentChat.getRecipient().getID())
if (currentChat.getModel().get(i).getMetadata().getState() == MessageState.RECEIVED) {
currentChat.getModel().get(i).getMetadata().setState(MessageState.READ);
readMessages.getMessages().add(currentChat.getModel().get(i));
} else break;
}
/**
* Adds all messages with state {@code WAITING} from the {@link LocalDB} to the
* {@link Sync} object.
*
* @since Envoy v0.1-alpha
*/
private void addWaitingMessagesToSync() {
for (Chat chat : getChats())
for (int i = 0; i < chat.getModel().size(); i++)
if (chat.getModel().get(i).getMetadata().getState() == MessageState.WAITING) {
logger.info("Got Waiting Message");
sync.getMessages().add(chat.getModel().get(i));
}
}
/**
* Clears the {@code unreadMessagesSync} {@link Sync} object.
*
* @since Envoy v0.1-alpha
*/
public void clearUnreadMessagesSync() { unreadMessagesSync.getMessages().clear(); }
/**
* @return all saved {@link Chat} objects that list the client user as the
* sender
* @since Envoy v0.1-alpha
**/
public List<Chat> getChats() { return chats; }
/**
* @return the {@link User} who initialized the local database
* @since Envoy v0.1-alpha
*/
public User getUser() { return sender; }
}
package envoy.client;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.time.Instant;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Logger;
import javax.xml.datatype.DatatypeConfigurationException;
import javax.xml.datatype.DatatypeFactory;
import envoy.client.event.EventBus;
import envoy.client.event.MessageCreationEvent;
import envoy.exception.EnvoyException;
import envoy.schema.Message;
import envoy.schema.Message.Metadata.MessageState;
import envoy.schema.ObjectFactory;
import envoy.schema.Sync;
import envoy.schema.User;
/**
* Project: <strong>envoy-client</strong><br>
* File: <strong>LocalDB.java</strong><br>
* Created: <strong>27.10.2019</strong><br>
*
* @author Kai S. K. Engelbart
* @author Maximilian K&auml;fer
* @since Envoy v0.1-alpha
*/
public class LocalDB {
private File localDB;
private User sender;
private List<Chat> chats = new ArrayList<>();
private ObjectFactory objectFactory = new ObjectFactory();
private DatatypeFactory datatypeFactory;
private Sync unreadMessagesSync = objectFactory.createSync();
private Sync sync = objectFactory.createSync();
private Sync readMessages = objectFactory.createSync();
private static final Logger logger = Logger.getLogger(LocalDB.class.getSimpleName());
/**
* Constructs an empty local database.
*
* @param client the user that is logged in with this client
* @since Envoy v0.1-alpha
*/
public LocalDB(User sender) {
this.sender = sender;
try {
datatypeFactory = DatatypeFactory.newInstance();
} catch (DatatypeConfigurationException e) {
e.printStackTrace();
}
}
/**
* Initializes the local database and fills it with values
* if the user has already sent or received messages.
*
* @param localDBDir the directory where we wish to save/load the database from.
* @throws EnvoyException if the directory selected is not an actual directory.
* @since Envoy v0.1-alpha
*/
public void initializeDBFile(File localDBDir) throws EnvoyException {
if (localDBDir.exists() && !localDBDir.isDirectory())
throw new EnvoyException(String.format("LocalDBDir '%s' is not a directory!", localDBDir.getAbsolutePath()));
localDB = new File(localDBDir, sender.getID() + ".db");
if (localDB.exists()) loadFromLocalDB();
}
/**
* Saves the database into a file for future use.
*
* @throws IOException if something went wrong during saving
* @since Envoy v0.1-alpha
*/
public void saveToLocalDB() {
try {
localDB.getParentFile().mkdirs();
localDB.createNewFile();
} catch (IOException e) {
e.printStackTrace();
logger.warning("unable to save the messages");
}
try (ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(localDB))) {
out.writeObject(chats);
} catch (IOException ex) {
ex.printStackTrace();
logger.warning("unable to save the messages");
}
}
/**
* Loads all chats saved by Envoy for the client user.
*
* @throws EnvoyException if something fails while loading.
* @since Envoy v0.1-alpha
*/
@SuppressWarnings("unchecked")
private void loadFromLocalDB() throws EnvoyException {
try (ObjectInputStream in = new ObjectInputStream(new FileInputStream(localDB))) {
Object obj = in.readObject();
if (obj instanceof ArrayList<?>) chats = (ArrayList<Chat>) obj;
} catch (ClassNotFoundException | IOException e) {
throw new EnvoyException(e);
}
}
/**
* Creates a {@link Message} object serializable to XML.
*
* @param textContent The content (text) of the message
* @return prepared {@link Message} object
*/
public Message createMessage(String textContent, User recipient) {
Message.Metadata metaData = objectFactory.createMessageMetadata();
metaData.setSender(sender.getID());
metaData.setRecipient(recipient.getID());
metaData.setState(MessageState.WAITING);
metaData.setDate(datatypeFactory.newXMLGregorianCalendar(Instant.now().toString()));
Message.Content content = objectFactory.createMessageContent();
content.setType("text");
content.setText(textContent);
Message message = objectFactory.createMessage();
message.setMetadata(metaData);
message.getContent().add(content);
return message;
}
public Sync fillSync(long userId) {
addWaitingMessagesToSync();
sync.getMessages().addAll(readMessages.getMessages());
readMessages.getMessages().clear();
logger.info(String.format("Filled sync with %d messages.", sync.getMessages().size()));
return sync;
}
public void applySync(Sync returnSync) {
for (int i = 0; i < returnSync.getMessages().size(); i++) {
// The message has an ID
if (returnSync.getMessages().get(i).getMetadata().getMessageId() != 0) {
// Messages are processes differently corresponding to their state
switch (returnSync.getMessages().get(i).getMetadata().getState()) {
case SENT:
// Update previously waiting and now sent messages that were assigned an ID by
// the server
sync.getMessages().get(i).getMetadata().setMessageId(returnSync.getMessages().get(i).getMetadata().getMessageId());
sync.getMessages().get(i).getMetadata().setState(returnSync.getMessages().get(i).getMetadata().getState());
break;
case RECEIVED:
if (returnSync.getMessages().get(i).getMetadata().getSender() != 0) {
// these are the unread Messages from the server
unreadMessagesSync.getMessages().add(returnSync.getMessages().get(i));
// Create and dispatch message creation event
EventBus.getInstance().dispatch(new MessageCreationEvent(returnSync.getMessages().get(i)));
} else {
// Update Messages in localDB to state RECEIVED
for (int j = 0; j < getChats().size(); j++) {
if (getChats().get(j).getRecipient().getID() == returnSync.getMessages().get(i).getMetadata().getRecipient()) {
for (int k = 0; k < getChats().get(j).getModel().getSize(); k++) {
if (getChats().get(j).getModel().get(k).getMetadata().getMessageId() == returnSync.getMessages()
.get(i)
.getMetadata()
.getMessageId()) {
// Update Message in LocalDB
getChats().get(j)
.getModel()
.get(k)
.getMetadata()
.setState(returnSync.getMessages().get(j).getMetadata().getState());
}
}
}
}
}
break;
case READ:
// Update local Messages to state READ
logger.info("Message with ID: " + returnSync.getMessages().get(i).getMetadata().getMessageId()
+ "was initialized to be set to READ in localDB.");
for (int j = 0; j < getChats().size(); j++) {
if (getChats().get(j).getRecipient().getID() == returnSync.getMessages().get(i).getMetadata().getRecipient()) {
logger.info("Chat with: " + getChats().get(j).getRecipient().getID() + "was selected.");
for (int k = 0; k < getChats().get(j).getModel().getSize(); k++) {
if (getChats().get(j).getModel().get(k).getMetadata().getMessageId() == returnSync.getMessages()
.get(i)
.getMetadata()
.getMessageId()) {
logger.info("Message with ID: " + getChats().get(j).getModel().get(k).getMetadata().getMessageId()
+ "was selected.");
getChats().get(j)
.getModel()
.get(k)
.getMetadata()
.setState(returnSync.getMessages().get(i).getMetadata().getState());
logger.info(
"Message State is now: " + getChats().get(j).getModel().get(k).getMetadata().getState().toString());
}
}
}
}
break;
}
}
}
// Updating UserStatus of all users in LocalDB
for (User user : returnSync.getUsers())
for (Chat chat : getChats())
if (user.getID() == chat.getRecipient().getID()) {
chat.getRecipient().setStatus(user.getStatus());
logger.info(chat.getRecipient().getStatus().toString());
}
sync.getMessages().clear();
sync.getUsers().clear();
}
/**
* Adds the unread messages returned from the server in the latest sync to the
* right chats in the LocalDB.
*
* @param localDB
* @since Envoy v0.1-alpha
*/
public void addUnreadMessagesToLocalDB() {
for(Message message : unreadMessagesSync.getMessages())
for(Chat chat : getChats())
if(message.getMetadata().getSender() == chat.getRecipient().getID()) {
chat.appendMessage(message);
break;
}
}
/**
* Changes all messages with state {@code RECEIVED} of a specific chat to state
* {@code READ}.
* <br>
* Adds these messages to the {@code readMessages} {@link Sync} object.
*
* @param currentChat
* @since Envoy v0.1-alpha
*/
public void setMessagesToRead(Chat currentChat) {
for (int i = currentChat.getModel().size() - 1; i >= 0; --i)
if (currentChat.getModel().get(i).getMetadata().getRecipient() != currentChat.getRecipient().getID())
if (currentChat.getModel().get(i).getMetadata().getState() == MessageState.RECEIVED) {
currentChat.getModel().get(i).getMetadata().setState(MessageState.READ);
readMessages.getMessages().add(currentChat.getModel().get(i));
} else break;
}
/**
* Adds all messages with state {@code WAITING} from the {@link LocalDB} to the
* {@link Sync} object.
*
* @since Envoy v0.1-alpha
*/
private void addWaitingMessagesToSync() {
for (Chat chat : getChats())
for (int i = 0; i < chat.getModel().size(); i++)
if (chat.getModel().get(i).getMetadata().getState() == MessageState.WAITING) {
logger.info("Got Waiting Message");
sync.getMessages().add(chat.getModel().get(i));
}
}
/**
* Clears the {@code unreadMessagesSync} {@link Sync} object.
*
* @since Envoy v0.1-alpha
*/
public void clearUnreadMessagesSync() { unreadMessagesSync.getMessages().clear(); }
/**
* @return all saved {@link Chat} objects that list the client user as the
* sender
* @since Envoy v0.1-alpha
**/
public List<Chat> getChats() { return chats; }
/**
* @return the {@link User} who initialized the local database
* @since Envoy v0.1-alpha
*/
public User getUser() { return sender; }
}

5
src/main/java/envoy/client/ui/ChatWindow.java
View File

@ -10,6 +10,7 @@ import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.logging.Logger;
import javax.swing.DefaultListModel;
import javax.swing.JButton;
@ -56,6 +57,8 @@ public class ChatWindow extends JFrame {
private Chat currentChat;
private JTextArea messageEnterTextArea;
private static final Logger logger = Logger.getLogger(ChatWindow.class.getSimpleName());
public ChatWindow(Client client, LocalDB localDB) {
this.client = client;
@ -184,7 +187,7 @@ public class ChatWindow extends JFrame {
SettingsScreen.open(localDB.getUser().getName());
} catch (Exception e) {
SettingsScreen.open();
System.err.println("An error occured while opening the settings screen: " + e);
logger.warning("An error occured while opening the settings screen: " + e);
e.printStackTrace();
}
});

43
src/main/java/envoy/client/ui/Startup.java
View File

@ -3,6 +3,8 @@ package envoy.client.ui;
import java.awt.EventQueue;
import java.io.IOException;
import java.util.Properties;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JOptionPane;
@ -24,41 +26,48 @@ import envoy.exception.EnvoyException;
*/
public class Startup {
private static final Logger logger = Logger.getLogger(Client.class.getSimpleName());
public static void main(String[] args) {
logger.setLevel(Level.ALL);
Config config = Config.getInstance();
if (args.length > 0) {
config.load(args);
} else {
ClassLoader loader = Thread.currentThread().getContextClassLoader();
try {
Properties configProperties = new Properties();
configProperties.load(loader.getResourceAsStream("client.properties"));
config.load(configProperties);
} catch (IOException e) {
e.printStackTrace();
}
// Load the configuration from client.properties first
ClassLoader loader = Thread.currentThread().getContextClassLoader();
try {
Properties configProperties = new Properties();
configProperties.load(loader.getResourceAsStream("client.properties"));
config.load(configProperties);
} catch (IOException e) {
e.printStackTrace();
}
// Override configuration values with command line arguments
if (args.length > 0)
config.load(args);
if (!config.isInitialized()) {
System.err.println("Server or port are not defined. Exiting...");
logger.warning("Server or port are not defined. Exiting...");
JOptionPane.showMessageDialog(null, "Error loading configuration values.", "Configuration error",
JOptionPane.ERROR_MESSAGE);
System.exit(1);
}
String userName = JOptionPane.showInputDialog("Please enter your username");
if (userName == null || userName.isEmpty()) {
System.err.println("User name is not set or empty. Exiting...");
logger.warning("User name is not set or empty. Exiting...");
System.exit(1);
}
Client client = new Client(config, userName);
LocalDB localDB = new LocalDB(client.getSender());
Client client = new Client(config, userName);
LocalDB localDB = new LocalDB(client.getSender());
try {
localDB.initializeDBFile(config.getLocalDB());
} catch (EnvoyException e) {
e.printStackTrace();
JOptionPane.showMessageDialog(null,
"Error while loading local database: " + e.toString() + "\nChats will not be stored locally.",
"Local DB error",
JOptionPane.WARNING_MESSAGE);
"Local DB error", JOptionPane.WARNING_MESSAGE);
}
EventQueue.invokeLater(() -> {