zdm/envoy
zdm/envoy
Archived
3
Fork 0
Code Issues 22 Pull Requests Releases 1 Wiki Activity

Merge pull request #147 from informatik-ag-ngl/b/postbutton_bug_and_logging

Browse Source 
Fixed postButton - bug and improved logging
This commit is contained in:
delvh 2020-06-21 16:25:45 +02:00 committed by GitHub
commit e6745da7d8
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
15 changed files with 198 additions and 144 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/main/java/envoy/client/data/Cache.java
View File

@ -4,6 +4,7 @@ import java.io.Serializable;
import java.util.LinkedList;
import java.util.Queue;
import java.util.function.Consumer;
import java.util.logging.Level;
import java.util.logging.Logger;
import envoy.util.EnvoyLog;
@ -35,7 +36,7 @@ public class Cache<T> implements Consumer<T>, Serializable {
*/
@Override
public void accept(T element) {
logger.fine(String.format("Adding element %s to cache", element));
logger.log(Level.FINE, String.format("Adding element %s to cache", element));
elements.offer(element);
}

48
src/main/java/envoy/client/net/Client.java
View File

@ -7,6 +7,7 @@ import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.TimeoutException;
import java.util.logging.Level;
import java.util.logging.Logger;
import envoy.client.data.Cache;
@ -56,25 +57,29 @@ public class Client implements Closeable {
* will block for up to 5 seconds. If the handshake does exceed this time limit,
* an exception is thrown.
*
* @param credentials the login credentials of the user
* @param receivedMessageCache a message cache containing all unread messages
* from the server that can be relayed after
* @param credentials the login credentials of the
* user
* @param receivedMessageCache a message cache containing all
* unread messages from the server
* that can be relayed after
* initialization
* @param receivedMessageStatusChangeEventCache an event cache containing all received messageStatusChangeEvents from the server that can be relayed after initialization
* @param receivedMessageStatusChangeEventCache an event cache containing all
* received
* messageStatusChangeEvents from
* the server that can be relayed
* after initialization
* @throws TimeoutException if the server could not be reached
* @throws IOException if the login credentials could not be
* written
* @throws IOException if the login credentials could not be written
* @throws InterruptedException if the current thread is interrupted while
* waiting for the handshake response
*/
public void performHandshake(LoginCredentials credentials, Cache<Message> receivedMessageCache,
Cache<MessageStatusChangeEvent> receivedMessageStatusChangeEventCache)
throws TimeoutException, IOException, InterruptedException {
Cache<MessageStatusChangeEvent> receivedMessageStatusChangeEventCache) throws TimeoutException, IOException, InterruptedException {
if (online) throw new IllegalStateException("Handshake has already been performed successfully");
// Establish TCP connection
logger.finer(String.format("Attempting connection to server %s:%d...", config.getServer(), config.getPort()));
logger.log(Level.FINER, String.format("Attempting connection to server %s:%d...", config.getServer(), config.getPort()));
socket = new Socket(config.getServer(), config.getPort());
logger.fine("Successfully established TCP connection to server");
logger.log(Level.FINE, "Successfully established TCP connection to server");
// Create object receiver
receiver = new Receiver(socket.getInputStream());
@ -114,19 +119,25 @@ public class Client implements Closeable {
// Remove all processors as they are only used during the handshake
receiver.removeAllProcessors();
logger.info("Handshake completed.");
logger.log(Level.INFO, "Handshake completed.");
}
/**
* Initializes the {@link Receiver} used to process data sent from the server to
* this client.
*
* @param localDB the local database used to persist the current
* @param localDB the local database used to
* persist the current
* {@link IDGenerator}
* @param receivedMessageCache a message cache containing all unread messages
* from the server that can be relayed after
* @param receivedMessageCache a message cache containing all
* unread messages from the server
* that can be relayed after
* initialization
* @param receivedMessageStatusChangeEventCache an event cache containing all received messageStatusChangeEvents from the server that can be relayed after initialization
* @param receivedMessageStatusChangeEventCache an event cache containing all
* received
* messageStatusChangeEvents from
* the server that can be relayed
* after initialization
* @throws IOException if no {@link IDGenerator} is present and none could be
* requested from the server
* @since Envoy Client v0.2-alpha
@ -172,6 +183,7 @@ public class Client implements Closeable {
sendEvent(evt.get());
} catch (final IOException e) {
e.printStackTrace();
logger.log(Level.WARNING, "An error occurred when trying to send Event " + evt, e);
}
});
@ -218,7 +230,7 @@ public class Client implements Closeable {
* @since Envoy Client v0.3-alpha
*/
public void requestIdGenerator() throws IOException {
logger.info("Requesting new id generator...");
logger.log(Level.INFO, "Requesting new id generator...");
writeObject(new IDGeneratorRequest());
}
@ -240,7 +252,7 @@ public class Client implements Closeable {
private void writeObject(Object obj) throws IOException {
checkOnline();
logger.fine("Sending " + obj);
logger.log(Level.FINE, "Sending " + obj);
SerializationUtils.writeBytesWithLength(obj, socket.getOutputStream());
}
@ -258,7 +270,7 @@ public class Client implements Closeable {
* @param clientUser the client user to set
* @since Envoy Client v0.2-alpha
*/
public void setSender(User clientUser) { this.sender = clientUser; }
public void setSender(User clientUser) { sender = clientUser; }
/**
* @return the {@link Receiver} used by this {@link Client}

3
src/main/java/envoy/client/net/MessageStatusChangeEventProcessor.java
View File

@ -1,6 +1,7 @@
package envoy.client.net;
import java.util.function.Consumer;
import java.util.logging.Level;
import java.util.logging.Logger;
import envoy.data.Message.MessageStatus;
@ -29,7 +30,7 @@ public class MessageStatusChangeEventProcessor implements Consumer<MessageStatus
*/
@Override
public void accept(MessageStatusChangeEvent evt) {
if (evt.get().ordinal() < MessageStatus.RECEIVED.ordinal()) logger.warning("Received invalid message status change " + evt);
if (evt.get().ordinal() < MessageStatus.RECEIVED.ordinal()) logger.log(Level.WARNING, "Received invalid message status change " + evt);
else EventBus.getInstance().dispatch(evt);
}
}

3
src/main/java/envoy/client/net/ReceivedMessageProcessor.java
View File

@ -1,6 +1,7 @@
package envoy.client.net;
import java.util.function.Consumer;
import java.util.logging.Level;
import java.util.logging.Logger;
import envoy.client.event.MessageCreationEvent;
@ -23,7 +24,7 @@ public class ReceivedMessageProcessor implements Consumer<Message> {
@Override
public void accept(Message message) {
if (message.getStatus() != MessageStatus.SENT) logger.warning("The message has the unexpected status " + message.getStatus());
if (message.getStatus() != MessageStatus.SENT) logger.log(Level.WARNING, "The message has the unexpected status " + message.getStatus());
else {
// Update status to RECEIVED
message.nextStatus();

19
src/main/java/envoy/client/net/Receiver.java
View File

@ -54,29 +54,30 @@ public class Receiver extends Thread {
try {
while (true) {
// Read object length
byte[] lenBytes = new byte[4];
final byte[] lenBytes = new byte[4];
in.read(lenBytes);
int len = SerializationUtils.bytesToInt(lenBytes, 0);
final int len = SerializationUtils.bytesToInt(lenBytes, 0);
// Read object into byte array
byte[] objBytes = new byte[len];
final byte[] objBytes = new byte[len];
in.read(objBytes);
try (ObjectInputStream oin = new ObjectInputStream(new ByteArrayInputStream(objBytes))) {
Object obj = oin.readObject();
logger.fine("Received " + obj);
final Object obj = oin.readObject();
logger.log(Level.FINE, "Received " + obj);
// Get appropriate processor
@SuppressWarnings("rawtypes")
Consumer processor = processors.get(obj.getClass());
final Consumer processor = processors.get(obj.getClass());
if (processor == null)
logger.warning(String.format("The received object has the class %s for which no processor is defined.", obj.getClass()));
logger.log(Level.WARNING, String.format(
"The received object has the class %s for which no processor is defined.", obj.getClass()));
else processor.accept(obj);
}
}
} catch (SocketException e) {
} catch (final SocketException e) {
// Connection probably closed by client.
} catch (Exception e) {
} catch (final Exception e) {
logger.log(Level.SEVERE, "Error on receiver thread", e);
e.printStackTrace();
}

12
src/main/java/envoy/client/net/WriteProxy.java
View File

@ -45,21 +45,21 @@ public class WriteProxy {
// Initialize cache processors for messages and message status change events
localDB.getMessageCache().setProcessor(msg -> {
try {
logger.finer("Sending cached " + msg);
logger.log(Level.FINER, "Sending cached " + msg);
client.sendMessage(msg);
// Update message state to SENT in localDB
localDB.getMessage(msg.getID()).ifPresent(Message::nextStatus);
} catch (IOException e) {
logger.log(Level.SEVERE, "Could not send cached message", e);
} catch (final IOException e) {
logger.log(Level.SEVERE, "Could not send cached message: ", e);
}
});
localDB.getStatusCache().setProcessor(evt -> {
logger.finer("Sending cached " + evt);
logger.log(Level.FINER, "Sending cached " + evt);
try {
client.sendEvent(evt);
} catch (IOException e) {
logger.log(Level.SEVERE, "Could not send cached message status change event", e);
} catch (final IOException e) {
logger.log(Level.SEVERE, "Could not send cached message status change event: ", e);
}
});
}

7
src/main/java/envoy/client/ui/MessageListCell.java
View File

@ -3,6 +3,7 @@ package envoy.client.ui;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Map;
import java.util.logging.Level;
import javafx.scene.control.Label;
import javafx.scene.control.ListCell;
@ -13,6 +14,7 @@ import javafx.scene.layout.VBox;
import envoy.data.Message;
import envoy.data.Message.MessageStatus;
import envoy.util.EnvoyLog;
/**
* Displays a single message inside the message list.
@ -32,8 +34,9 @@ public class MessageListCell extends ListCell<Message> {
static {
try {
statusImages = IconUtil.loadByEnum(MessageStatus.class, 32);
} catch (IOException e) {
} catch (final IOException e) {
e.printStackTrace();
EnvoyLog.getLogger(MessageListCell.class).log(Level.WARNING, "could not load status icons: ", e);
}
}
@ -45,7 +48,7 @@ public class MessageListCell extends ListCell<Message> {
@Override
protected void updateItem(Message message, boolean empty) {
super.updateItem(message, empty);
if(empty || message == null) {
if (empty || message == null) {
setText(null);
setGraphic(null);
} else {

7
src/main/java/envoy/client/ui/SceneContext.java
View File

@ -2,6 +2,7 @@ package envoy.client.ui;
import java.io.IOException;
import java.util.Stack;
import java.util.logging.Level;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
@ -11,6 +12,7 @@ import javafx.stage.Stage;
import envoy.client.data.Settings;
import envoy.client.event.ThemeChangeEvent;
import envoy.event.EventBus;
import envoy.util.EnvoyLog;
/**
* Manages a stack of scenes. The most recently added scene is displayed inside
@ -35,7 +37,7 @@ public final class SceneContext {
* @author Kai S. K. Engelbart
* @since Envoy Client v0.1-beta
*/
public static enum SceneInfo {
public enum SceneInfo {
/**
* The main scene in which chats are displayed.
@ -117,7 +119,8 @@ public final class SceneContext {
applyCSS();
stage.sizeToScene();
stage.show();
} catch (IOException e) {
} catch (final IOException e) {
EnvoyLog.getLogger(SceneContext.class).log(Level.SEVERE, String.format("Could not load scene for %s: ", sceneInfo), e);
throw new RuntimeException(e);
}
}

17
src/main/java/envoy/client/ui/Startup.java
View File

@ -2,6 +2,7 @@ package envoy.client.ui;
import java.io.File;
import java.io.IOException;
import java.util.Date;
import java.util.Properties;
import java.util.logging.Level;
import java.util.logging.Logger;
@ -63,6 +64,7 @@ public final class Startup extends Application {
if (!config.isInitialized()) throw new EnvoyException("Configuration is not fully initialized");
} catch (final Exception e) {
new Alert(AlertType.ERROR, "Error loading configuration values:\n" + e);
logger.log(Level.SEVERE, "Error loading configuration values: ", e);
e.printStackTrace();
System.exit(1);
}
@ -73,20 +75,20 @@ public final class Startup extends Application {
EnvoyLog.setFileLevelBarrier(config.getFileLevelBarrier());
EnvoyLog.setConsoleLevelBarrier(config.getConsoleLevelBarrier());
logger.log(Level.INFO, "Envoy starting...");
// Initialize the local database
if (config.isIgnoreLocalDB()) {
localDB = new TransientLocalDB();
new Alert(AlertType.WARNING, "Ignoring local database.\nMessages will not be saved!").showAndWait();
} else {
try {
} else try {
localDB = new PersistentLocalDB(new File(config.getHomeDirectory(), config.getLocalDB().getPath()));
} catch (final IOException e3) {
logger.log(Level.SEVERE, "Could not initialize local database", e3);
logger.log(Level.SEVERE, "Could not initialize local database: ", e3);
new Alert(AlertType.ERROR, "Could not initialize local database!\n" + e3).showAndWait();
System.exit(1);
return;
}
}
// Initialize client and unread message cache
client = new Client();
@ -109,14 +111,15 @@ public final class Startup extends Application {
@Override
public void stop() {
try {
logger.info("Closing connection...");
logger.log(Level.INFO, "Closing connection...");
client.close();
logger.info("Saving local database and settings...");
logger.log(Level.INFO, "Saving local database and settings...");
localDB.save();
Settings.getInstance().save();
logger.log(Level.INFO, "Envoy was terminated by its user");
} catch (final Exception e) {
logger.log(Level.SEVERE, "Unable to save local files", e);
logger.log(Level.SEVERE, "Unable to save local files: ", e);
}
}

19
src/main/java/envoy/client/ui/StatusTrayIcon.java
View File

@ -4,11 +4,13 @@ import java.awt.*;
import java.awt.TrayIcon.MessageType;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.logging.Level;
import envoy.client.event.MessageCreationEvent;
import envoy.data.Message;
import envoy.event.EventBus;
import envoy.exception.EnvoyException;
import envoy.util.EnvoyLog;
/**
* Project: <strong>envoy-client</strong><br>
@ -25,7 +27,7 @@ public class StatusTrayIcon {
* system tray. This includes displaying the icon, but also creating
* notifications when new messages are received.
*/
private TrayIcon trayIcon;
private final TrayIcon trayIcon;
/**
* A received {@link Message} is only displayed as a system tray notification if
@ -46,16 +48,16 @@ public class StatusTrayIcon {
public StatusTrayIcon(Window focusTarget) throws EnvoyException {
if (!SystemTray.isSupported()) throw new EnvoyException("The Envoy tray icon is not supported.");
ClassLoader loader = Thread.currentThread().getContextClassLoader();
Image img = Toolkit.getDefaultToolkit().createImage(loader.getResource("envoy_logo.png"));
final ClassLoader loader = Thread.currentThread().getContextClassLoader();
final Image img = Toolkit.getDefaultToolkit().createImage(loader.getResource("envoy_logo.png"));
trayIcon = new TrayIcon(img, "Envoy Client");
trayIcon.setImageAutoSize(true);
trayIcon.setToolTip("You are notified if you have unread messages.");
PopupMenu popup = new PopupMenu();
final PopupMenu popup = new PopupMenu();
MenuItem exitMenuItem = new MenuItem("Exit");
exitMenuItem.addActionListener((evt) -> System.exit(0));
final MenuItem exitMenuItem = new MenuItem("Exit");
exitMenuItem.addActionListener(evt -> System.exit(0));
popup.add(exitMenuItem);
trayIcon.setPopupMenu(popup);
@ -71,7 +73,7 @@ public class StatusTrayIcon {
});
// Show the window if the user clicks on the icon
trayIcon.addActionListener((evt) -> { focusTarget.setVisible(true); focusTarget.requestFocus(); });
trayIcon.addActionListener(evt -> { focusTarget.setVisible(true); focusTarget.requestFocus(); });
// Start processing message events
// TODO: Handle other message types
@ -90,7 +92,8 @@ public class StatusTrayIcon {
public void show() throws EnvoyException {
try {
SystemTray.getSystemTray().add(trayIcon);
} catch (AWTException e) {
} catch (final AWTException e) {
EnvoyLog.getLogger(StatusTrayIcon.class).log(Level.INFO, "Could not display StatusTrayIcon: ", e);
throw new EnvoyException("Could not attach Envoy tray icon to system tray.", e);
}
}

75
src/main/java/envoy/client/ui/controller/ChatScene.java
View File

@ -103,8 +103,7 @@ public final class ChatScene {
});
// Listen to message status changes
eventBus.register(MessageStatusChangeEvent.class, e ->
localDB.getMessage(e.getID()).ifPresent(message -> {
eventBus.register(MessageStatusChangeEvent.class, e -> localDB.getMessage(e.getID()).ifPresent(message -> {
message.setStatus(e.get());
// Update UI if in current chat
@ -112,16 +111,12 @@ public final class ChatScene {
}));
// Listen to user status changes
eventBus.register(UserStatusChangeEvent.class, e ->
userList.getItems()
eventBus.register(UserStatusChangeEvent.class,
e -> userList.getItems()
.stream()
.filter(c -> c.getID() == e.getID())
.findAny()
.ifPresent(u -> {
((User) u).setStatus(e.get());
Platform.runLater(userList::refresh);
})
);
.ifPresent(u -> { ((User) u).setStatus(e.get()); Platform.runLater(userList::refresh); }));
// Listen to contacts changes
eventBus.register(ContactOperationEvent.class, e -> {
@ -174,8 +169,7 @@ public final class ChatScene {
// LEON: JFC <===> JAVA FRIED CHICKEN <=/=> Java Foundation Classes
// Load the chat or create a new one and add it to the LocalDB
currentChat = localDB
.getChat(user.getID())
currentChat = localDB.getChat(user.getID())
.orElseGet(() -> { final var chat = new Chat(user); localDB.getChats().add(chat); return chat; });
messageList.setItems(FXCollections.observableList(currentChat.getMessages()));
@ -216,6 +210,34 @@ public final class ChatScene {
sceneContext.<ContactSearchScene>getController().initializeData(sceneContext, localDB);
}
/**
* Checks the text length of the {@code messageTextArea}, adjusts the
* {@code remainingChars} label and checks whether to send the message
* automatically.
*
* @param e the key event that will be analyzed for a post request
* @since Envoy Client v0.1-beta
*/
@FXML
private void checkKeyCombination(KeyEvent e) {
// Checks whether the text is too long
messageTextUpdated();
// Automatic sending of messages via (ctrl +) enter
checkPostConditions(e);
}
/**
* @param e the keys that have been pressed
* @since Envoy Client v0.1-beta
*/
@FXML
private void checkPostConditions(KeyEvent e) {
if (!postButton.isDisabled() && (settings.isEnterToSend() && e.getCode() == KeyCode.ENTER
|| !settings.isEnterToSend() && e.getCode() == KeyCode.ENTER && e.isControlDown()))
postMessage();
postButton.setDisable(messageTextArea.getText().isBlank() || currentChat == null);
}
/**
* Actions to perform when the text was updated in the messageTextArea.
*
@ -229,29 +251,21 @@ public final class ChatScene {
messageTextArea.positionCaret(MAX_MESSAGE_LENGTH);
messageTextArea.setScrollTop(Double.MAX_VALUE);
}
updateRemainingCharsLabel();
}
// Redesigning the remainingChars - Label
/**
* Sets the text and text color of the {@code remainingChars} label.
*
* @since Envoy Client v0.1-beta
*/
private void updateRemainingCharsLabel() {
final int currentLength = messageTextArea.getText().length();
final int remainingLength = MAX_MESSAGE_LENGTH - currentLength;
remainingChars.setText(String.format("remaining chars: %d/%d", remainingLength, MAX_MESSAGE_LENGTH));
remainingChars.setTextFill(Color.rgb(currentLength, remainingLength, 0, 1));
}
/**
* Actions to perform when a key has been entered.
*
* @param e the Keys that have been entered
* @since Envoy Client v0.1-beta
*/
@FXML
private void checkKeyCombination(KeyEvent e) {
// Automatic sending of messages via (ctrl +) enter
if (!postButton.isDisabled() && settings.isEnterToSend() && e.getCode() == KeyCode.ENTER
|| !settings.isEnterToSend() && e.getCode() == KeyCode.ENTER && e.isControlDown())
postMessage();
postButton.setDisable(messageTextArea.getText().isBlank() || currentChat == null);
}
/**
* Sends a new message to the server based on the text entered in the
* messageTextArea.
@ -260,10 +274,12 @@ public final class ChatScene {
*/
@FXML
private void postMessage() {
final var text = messageTextArea.getText().strip();
if (text.isBlank()) throw new IllegalArgumentException("A message without visible text can not be sent.");
try {
// Create and send message
final var message = new MessageBuilder(localDB.getUser().getID(), currentChat.getRecipient().getID(), localDB.getIDGenerator())
.setText(messageTextArea.getText().strip())
.setText(text)
.build();
// Send message
@ -276,12 +292,13 @@ public final class ChatScene {
if (!localDB.getIDGenerator().hasNext() && client.isOnline()) client.requestIdGenerator();
} catch (final IOException e) {
logger.log(Level.SEVERE, "Error sending message", e);
logger.log(Level.SEVERE, "Error while sending message: ", e);
new Alert(AlertType.ERROR, "An error occured while sending the message!").showAndWait();
}
// Clear text field and disable post button
messageTextArea.setText("");
postButton.setDisable(true);
updateRemainingCharsLabel();
}
}

7
src/main/java/envoy/client/ui/controller/ContactSearchScene.java
View File

@ -57,6 +57,7 @@ public class ContactSearchScene {
/**
* @param sceneContext enables the user to return to the chat scene
* @param localDB the {@link LocalDB} that is used to save contacts
* @since Envoy Client v0.1-beta
*/
public void initializeData(SceneContext sceneContext, LocalDB localDB) {
@ -67,10 +68,8 @@ public class ContactSearchScene {
@FXML
private void initialize() {
contactList.setCellFactory(e -> new ContactListCell());
eventBus.register(ContactSearchResult.class, response -> Platform.runLater(() -> {
contactList.getItems().clear();
contactList.getItems().addAll(response.get());
}));
eventBus.register(ContactSearchResult.class,
response -> Platform.runLater(() -> { contactList.getItems().clear(); contactList.getItems().addAll(response.get()); }));
}
/**

1
src/main/java/envoy/client/ui/controller/GroupCreationScene.java
View File

@ -49,6 +49,7 @@ public class GroupCreationScene {
/**
* @param sceneContext enables the user to return to the chat scene
* @param localDB the {@link LocalDB} that is used to save contacts
* @since Envoy Client v0.1-beta
*/
public void initializeData(SceneContext sceneContext, LocalDB localDB) {

25
src/main/java/envoy/client/ui/controller/LoginScene.java
View File

@ -3,6 +3,7 @@ package envoy.client.ui.controller;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.concurrent.TimeoutException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javafx.application.Platform;
@ -76,12 +77,18 @@ public final class LoginScene {
/**
* Loads the login dialog using the FXML file {@code LoginDialog.fxml}.
*
* @param client the client used to perform the handshake
* @param localDB the local database used for offline login
* @param receivedMessageCache the cache storing messages received during
* @param client the client used to perform the
* handshake
* @param localDB the local database used for
* offline login
* @param receivedMessageCache the cache storing messages
* received during
* the handshake
* @param receivedMessageStatusChangeEventCache the cache storing messageStatusChangeEvents received during handshake
* @param sceneContext the scene context used to initialize the chat
* @param receivedMessageStatusChangeEventCache the cache storing
* messageStatusChangeEvents
* received during handshake
* @param sceneContext the scene context used to
* initialize the chat
* scene
* @since Envoy Client v0.1-beta
*/
@ -129,7 +136,7 @@ public final class LoginScene {
@FXML
private void abortLogin() {
logger.info("The login process has been cancelled. Exiting...");
logger.log(Level.INFO, "The login process has been cancelled. Exiting...");
System.exit(0);
}
@ -141,8 +148,8 @@ public final class LoginScene {
loadChatScene();
}
} catch (IOException | InterruptedException | TimeoutException e) {
logger.warning("Could not connect to server: " + e);
logger.finer("Attempting offline mode...");
logger.log(Level.WARNING, "Could not connect to server: ", e);
logger.log(Level.FINER, "Attempting offline mode...");
attemptOfflineMode(credentials);
}
}
@ -158,6 +165,7 @@ public final class LoginScene {
loadChatScene();
} catch (final Exception e) {
new Alert(AlertType.ERROR, "Client error: " + e).showAndWait();
logger.log(Level.SEVERE, "Offline mode could not be loaded: ", e);
System.exit(1);
}
}
@ -176,6 +184,7 @@ public final class LoginScene {
} catch (final Exception e) {
e.printStackTrace();
new Alert(AlertType.ERROR, "Error while loading local database: " + e + "\nChats will not be stored locally.").showAndWait();
logger.log(Level.WARNING, "Could not load local database: ", e);
}
// Initialize write proxy

2
src/main/resources/fxml/ChatScene.fxml
View File

@ -27,7 +27,7 @@
<Button fx:id="settingsButton" mnemonicParsing="true" onAction="#settingsButtonClicked" text="_Settings" GridPane.columnIndex="2" GridPane.halignment="CENTER" GridPane.valignment="CENTER" />
<ListView fx:id="messageList" prefHeight="257.0" prefWidth="155.0" GridPane.columnIndex="1" GridPane.columnSpan="2" GridPane.rowIndex="1" GridPane.rowSpan="2" />
<Button fx:id="postButton" defaultButton="true" disable="true" mnemonicParsing="true" onAction="#postMessage" prefHeight="10.0" prefWidth="65.0" text="_Post" GridPane.columnIndex="2" GridPane.halignment="CENTER" GridPane.rowIndex="3" GridPane.valignment="CENTER" />
<TextArea fx:id="messageTextArea" disable="true" onInputMethodTextChanged="#messageTextUpdated" onKeyPressed="#checkKeyCombination" onKeyTyped="#messageTextUpdated" prefHeight="200.0" prefWidth="200.0" wrapText="true" GridPane.columnIndex="1" GridPane.rowIndex="3" />
<TextArea fx:id="messageTextArea" disable="true" onInputMethodTextChanged="#messageTextUpdated" onKeyPressed="#checkPostConditions" onKeyTyped="#checkKeyCombination" prefHeight="200.0" prefWidth="200.0" wrapText="true" GridPane.columnIndex="1" GridPane.rowIndex="3" />
<Button mnemonicParsing="true" onAction="#addContactButtonClicked" text="_Add Contacts" GridPane.halignment="CENTER" GridPane.rowIndex="3" GridPane.valignment="CENTER">
<padding>
<Insets bottom="5.0" left="5.0" right="5.0" top="5.0" />