Merge pull request #150 from informatik-ag-ngl/f/compatibility_verification

Shorten event names, compatibility verification
This commit is contained in:
Kai S. K. Engelbart 2020-06-23 06:47:46 +00:00 committed by GitHub
commit 89539c3b93
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13 changed files with 127 additions and 117 deletions

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@ -9,7 +9,7 @@ import java.util.Objects;
import envoy.client.net.WriteProxy;
import envoy.data.*;
import envoy.data.Message.MessageStatus;
import envoy.event.MessageStatusChangeEvent;
import envoy.event.MessageStatusChange;
/**
* Represents a chat between two {@link User}s <br>
@ -71,7 +71,7 @@ public final class Chat implements Serializable {
*
* @param writeProxy the write proxy instance used to notify the server about
* the message status changes
* @throws IOException if a {@link MessageStatusChangeEvent} could not be
* @throws IOException if a {@link MessageStatusChange} could not be
* delivered to the server
* @since Envoy Client v0.3-alpha
*/
@ -81,7 +81,7 @@ public final class Chat implements Serializable {
if (m.getSenderID() == recipient.getID()) if (m.getStatus() == MessageStatus.READ) break;
else {
m.setStatus(MessageStatus.READ);
writeProxy.writeMessageStatusChangeEvent(new MessageStatusChangeEvent(m));
writeProxy.writeMessageStatusChange(new MessageStatusChange(m));
}
}
}

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@ -4,6 +4,7 @@ import java.io.File;
import java.util.function.Function;
import java.util.logging.Level;
import envoy.client.ui.Startup;
import envoy.data.Config;
import envoy.data.ConfigItem;
import envoy.data.LoginCredentials;
@ -109,5 +110,5 @@ public class ClientConfig extends Config {
* the registration option
* @since Envoy Client v0.3-alpha
*/
public LoginCredentials getLoginCredentials() { return new LoginCredentials(getUser(), getPassword(), false); }
public LoginCredentials getLoginCredentials() { return new LoginCredentials(getUser(), getPassword(), false, Startup.VERSION); }
}

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@ -3,9 +3,9 @@ package envoy.client.data;
import java.util.*;
import envoy.data.*;
import envoy.event.GroupResizeEvent;
import envoy.event.MessageStatusChangeEvent;
import envoy.event.NameChangeEvent;
import envoy.event.GroupResize;
import envoy.event.MessageStatusChange;
import envoy.event.NameChange;
/**
* Stores information about the current {@link User} and their {@link Chat}s.
@ -25,7 +25,7 @@ public abstract class LocalDB {
protected List<Chat> chats = new ArrayList<>();
protected IDGenerator idGenerator;
protected Cache<Message> messageCache = new Cache<>();
protected Cache<MessageStatusChangeEvent> statusCache = new Cache<>();
protected Cache<MessageStatusChange> statusCache = new Cache<>();
/**
* Initializes a storage space for a user-specific list of chats.
@ -136,13 +136,13 @@ public abstract class LocalDB {
* @return the offline status cache
* @since Envoy Client v0.3-alpha
*/
public Cache<MessageStatusChangeEvent> getStatusCache() { return statusCache; }
public Cache<MessageStatusChange> getStatusCache() { return statusCache; }
/**
* @param statusCache the offline status cache to set
* @since Envoy Client v0.3-alpha
*/
public void setStatusCache(Cache<MessageStatusChangeEvent> statusCache) { this.statusCache = statusCache; }
public void setStatusCache(Cache<MessageStatusChange> statusCache) { this.statusCache = statusCache; }
/**
* Searches for a message by ID.
@ -169,20 +169,20 @@ public abstract class LocalDB {
/**
* Performs a contact name change if the corresponding contact is present.
*
* @param event the {@link NameChangeEvent} to process
* @param event the {@link NameChange} to process
* @since Envoy Client v0.1-beta
*/
public void replaceContactName(NameChangeEvent event) {
public void replaceContactName(NameChange event) {
chats.stream().map(Chat::getRecipient).filter(c -> c.getID() == event.getID()).findAny().ifPresent(c -> c.setName(event.get()));
}
/**
* Performs a group resize operation if the corresponding group is present.
*
* @param event the {@link GroupResizeEvent} to process
* @param event the {@link GroupResize} to process
* @since Envoy Client v0.1-beta
*/
public void updateGroup(GroupResizeEvent event) {
public void updateGroup(GroupResize event) {
chats.stream()
.map(Chat::getRecipient)
.filter(Group.class::isInstance)

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@ -6,7 +6,7 @@ import java.util.HashMap;
import envoy.data.IDGenerator;
import envoy.data.Message;
import envoy.event.MessageStatusChangeEvent;
import envoy.event.MessageStatusChange;
import envoy.util.SerializationUtils;
/**
@ -78,7 +78,7 @@ public final class PersistentLocalDB extends LocalDB {
try (var in = new ObjectInputStream(new FileInputStream(userFile))) {
chats = (ArrayList<Chat>) in.readObject();
messageCache = (Cache<Message>) in.readObject();
statusCache = (Cache<MessageStatusChangeEvent>) in.readObject();
statusCache = (Cache<MessageStatusChange>) in.readObject();
}
}

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@ -16,7 +16,7 @@ import envoy.client.data.LocalDB;
import envoy.client.event.SendEvent;
import envoy.data.*;
import envoy.event.*;
import envoy.event.contact.ContactOperationEvent;
import envoy.event.contact.ContactOperation;
import envoy.event.contact.ContactSearchResult;
import envoy.util.EnvoyLog;
import envoy.util.SerializationUtils;
@ -57,16 +57,15 @@ 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
* @param receivedMessageStatusChangeCache 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
@ -74,7 +73,8 @@ public class Client implements Closeable {
* waiting for the handshake response
*/
public void performHandshake(LoginCredentials credentials, Cache<Message> receivedMessageCache,
Cache<MessageStatusChangeEvent> receivedMessageStatusChangeEventCache) throws TimeoutException, IOException, InterruptedException {
Cache<MessageStatusChange> receivedMessageStatusChangeCache)
throws TimeoutException, IOException, InterruptedException {
if (online) throw new IllegalStateException("Handshake has already been performed successfully");
// Establish TCP connection
logger.log(Level.FINER, String.format("Attempting connection to server %s:%d...", config.getServer(), config.getPort()));
@ -87,8 +87,8 @@ public class Client implements Closeable {
// Register user creation processor, contact list processor and message cache
receiver.registerProcessor(User.class, sender -> { this.sender = sender; contacts = sender.getContacts(); });
receiver.registerProcessor(Message.class, receivedMessageCache);
receiver.registerProcessor(MessageStatusChangeEvent.class, receivedMessageStatusChangeEventCache);
receiver.registerProcessor(HandshakeRejectionEvent.class, evt -> { rejected = true; eventBus.dispatch(evt); });
receiver.registerProcessor(MessageStatusChange.class, receivedMessageStatusChangeCache);
receiver.registerProcessor(HandshakeRejection.class, evt -> { rejected = true; eventBus.dispatch(evt); });
rejected = false;
@ -126,29 +126,29 @@ public class Client implements Closeable {
* 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
* @param receivedMessageStatusChangeCache 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
*/
public void initReceiver(LocalDB localDB, Cache<Message> receivedMessageCache,
Cache<MessageStatusChangeEvent> receivedMessageStatusChangeEventCache) throws IOException {
Cache<MessageStatusChange> receivedMessageStatusChangeCache) throws IOException {
checkOnline();
// Process incoming messages
final ReceivedMessageProcessor receivedMessageProcessor = new ReceivedMessageProcessor();
final MessageStatusChangeEventProcessor messageStatusChangeEventProcessor = new MessageStatusChangeEventProcessor();
final MessageStatusChangeProcessor messageStatusChangeEventProcessor = new MessageStatusChangeProcessor();
receiver.registerProcessor(Message.class, receivedMessageProcessor);
@ -156,26 +156,26 @@ public class Client implements Closeable {
receivedMessageCache.setProcessor(receivedMessageProcessor);
// Process message status changes
receiver.registerProcessor(MessageStatusChangeEvent.class, messageStatusChangeEventProcessor);
receivedMessageStatusChangeEventCache.setProcessor(messageStatusChangeEventProcessor);
receiver.registerProcessor(MessageStatusChange.class, messageStatusChangeEventProcessor);
receivedMessageStatusChangeCache.setProcessor(messageStatusChangeEventProcessor);
// Process user status changes
receiver.registerProcessor(UserStatusChangeEvent.class, eventBus::dispatch);
receiver.registerProcessor(UserStatusChange.class, eventBus::dispatch);
// Process message ID generation
receiver.registerProcessor(IDGenerator.class, localDB::setIDGenerator);
// Process name changes
receiver.registerProcessor(NameChangeEvent.class, evt -> { localDB.replaceContactName(evt); eventBus.dispatch(evt); });
receiver.registerProcessor(NameChange.class, evt -> { localDB.replaceContactName(evt); eventBus.dispatch(evt); });
// Process contact searches
receiver.registerProcessor(ContactSearchResult.class, eventBus::dispatch);
// Process contact operations
receiver.registerProcessor(ContactOperationEvent.class, eventBus::dispatch);
receiver.registerProcessor(ContactOperation.class, eventBus::dispatch);
// Process group size changes
receiver.registerProcessor(GroupResizeEvent.class, evt -> { localDB.updateGroup(evt); eventBus.dispatch(evt); });
receiver.registerProcessor(GroupResize.class, evt -> { localDB.updateGroup(evt); eventBus.dispatch(evt); });
// Send event
eventBus.register(SendEvent.class, evt -> {

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@ -1,36 +1,35 @@
package envoy.client.net;
import java.util.function.Consumer;
import java.util.logging.Level;
import java.util.logging.Logger;
import envoy.data.Message.MessageStatus;
import envoy.event.EventBus;
import envoy.event.MessageStatusChangeEvent;
import envoy.event.MessageStatusChange;
import envoy.util.EnvoyLog;
/**
* Project: <strong>envoy-client</strong><br>
* File: <strong>MessageStatusChangeEventProcessor.java</strong><br>
* File: <strong>MessageStatusChangeProcessor.java</strong><br>
* Created: <strong>4 Feb 2020</strong><br>
*
* @author Kai S. K. Engelbart
* @since Envoy Client v0.3-alpha
*/
public class MessageStatusChangeEventProcessor implements Consumer<MessageStatusChangeEvent> {
public class MessageStatusChangeProcessor implements Consumer<MessageStatusChange> {
private static final Logger logger = EnvoyLog.getLogger(MessageStatusChangeEventProcessor.class);
private static final Logger logger = EnvoyLog.getLogger(MessageStatusChangeProcessor.class);
/**
* Dispatches a {@link MessageStatusChangeEvent} if the status is
* Dispatches a {@link MessageStatusChange} if the status is
* {@code RECEIVED} or {@code READ}.
*
* @param evt the status change event
* @since Envoy Client v0.3-alpha
*/
@Override
public void accept(MessageStatusChangeEvent evt) {
if (evt.get().ordinal() < MessageStatus.RECEIVED.ordinal()) logger.log(Level.WARNING, "Received invalid message status change " + evt);
public void accept(MessageStatusChange evt) {
if (evt.get().ordinal() < MessageStatus.RECEIVED.ordinal()) logger.warning("Received invalid message status change " + evt);
else EventBus.getInstance().dispatch(evt);
}
}

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@ -6,12 +6,12 @@ import java.util.logging.Logger;
import envoy.client.data.LocalDB;
import envoy.data.Message;
import envoy.event.MessageStatusChangeEvent;
import envoy.event.MessageStatusChange;
import envoy.util.EnvoyLog;
/**
* Implements methods to send {@link Message}s and
* {@link MessageStatusChangeEvent}s to the server or cache them inside a
* {@link MessageStatusChange}s to the server or cache them inside a
* {@link LocalDB} depending on the online status.<br>
* <br>
* Project: <strong>envoy-client</strong><br>
@ -65,7 +65,7 @@ public class WriteProxy {
}
/**
* Sends cached {@link Message}s and {@link MessageStatusChangeEvent}s to the
* Sends cached {@link Message}s and {@link MessageStatusChange}s to the
* server.
*
* @since Envoy Client v0.3-alpha
@ -99,7 +99,7 @@ public class WriteProxy {
* @throws IOException if the event could not be sent
* @since Envoy Client v0.3-alpha
*/
public void writeMessageStatusChangeEvent(MessageStatusChangeEvent evt) throws IOException {
public void writeMessageStatusChange(MessageStatusChange evt) throws IOException {
if (client.isOnline()) client.sendEvent(evt);
else localDB.getStatusCache().accept(evt);
}

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@ -1,7 +1,7 @@
package envoy.client.ui;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.time.format.DateTimeFormatter;
import java.util.Map;
import java.util.logging.Level;
@ -28,7 +28,7 @@ import envoy.util.EnvoyLog;
*/
public class MessageListCell extends ListCell<Message> {
private static final SimpleDateFormat dateFormat = new SimpleDateFormat("dd.MM.yyyy HH:mm");
private static final DateTimeFormatter dateFormat = DateTimeFormatter.ofPattern("dd.MM.yyyy HH:mm");
private static Map<MessageStatus, Image> statusImages;
static {

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@ -2,7 +2,6 @@ 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;
@ -17,7 +16,7 @@ import envoy.client.net.Client;
import envoy.client.ui.SceneContext.SceneInfo;
import envoy.client.ui.controller.LoginScene;
import envoy.data.Message;
import envoy.event.MessageStatusChangeEvent;
import envoy.event.MessageStatusChange;
import envoy.exception.EnvoyException;
import envoy.util.EnvoyLog;
@ -34,10 +33,17 @@ import envoy.util.EnvoyLog;
*/
public final class Startup extends Application {
/**
* The version of this client. Used to verify compatibility with the server.
*
* @since Envoy Client v0.1-beta
*/
public static final String VERSION = "0.1-beta";
private LocalDB localDB;
private Client client;
private Cache<Message> messageCache;
private Cache<MessageStatusChangeEvent> messageStatusCache;
private Cache<MessageStatusChange> messageStatusCache;
private static final ClientConfig config = ClientConfig.getInstance();
private static final Logger logger = EnvoyLog.getLogger(Startup.class);

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@ -25,9 +25,9 @@ import envoy.client.ui.MessageListCell;
import envoy.client.ui.SceneContext;
import envoy.data.*;
import envoy.event.EventBus;
import envoy.event.MessageStatusChangeEvent;
import envoy.event.UserStatusChangeEvent;
import envoy.event.contact.ContactOperationEvent;
import envoy.event.MessageStatusChange;
import envoy.event.UserStatusChange;
import envoy.event.contact.ContactOperation;
import envoy.util.EnvoyLog;
/**
@ -103,7 +103,7 @@ public final class ChatScene {
});
// Listen to message status changes
eventBus.register(MessageStatusChangeEvent.class, e -> localDB.getMessage(e.getID()).ifPresent(message -> {
eventBus.register(MessageStatusChange.class, e -> localDB.getMessage(e.getID()).ifPresent(message -> {
message.setStatus(e.get());
// Update UI if in current chat
@ -111,7 +111,7 @@ public final class ChatScene {
}));
// Listen to user status changes
eventBus.register(UserStatusChangeEvent.class,
eventBus.register(UserStatusChange.class,
e -> userList.getItems()
.stream()
.filter(c -> c.getID() == e.getID())
@ -119,7 +119,7 @@ public final class ChatScene {
.ifPresent(u -> { ((User) u).setStatus(e.get()); Platform.runLater(userList::refresh); }));
// Listen to contacts changes
eventBus.register(ContactOperationEvent.class, e -> {
eventBus.register(ContactOperation.class, e -> {
final var contact = e.get();
switch (e.getOperationType()) {
case ADD:

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@ -15,7 +15,7 @@ import envoy.client.ui.SceneContext;
import envoy.data.Contact;
import envoy.event.ElementOperation;
import envoy.event.EventBus;
import envoy.event.contact.ContactOperationEvent;
import envoy.event.contact.ContactOperation;
import envoy.event.contact.ContactSearchRequest;
import envoy.event.contact.ContactSearchResult;
import envoy.util.EnvoyLog;
@ -57,7 +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
* @param localDB the local database to which new contacts are added
* @since Envoy Client v0.1-beta
*/
public void initializeData(SceneContext sceneContext, LocalDB localDB) {
@ -107,7 +107,7 @@ public class ContactSearchScene {
}
/**
* Sends an {@link ContactOperationEvent} for every selected contact to the
* Sends an {@link ContactOperation} for every selected contact to the
* server.
*
* @since Envoy Client v0.1-beta
@ -120,7 +120,7 @@ public class ContactSearchScene {
alert.setTitle("Add Contact to Contact List");
alert.setHeaderText("Add the user " + contact.getName() + " to your contact list?");
alert.showAndWait().filter(btn -> btn == ButtonType.OK).ifPresent(btn -> {
final var event = new ContactOperationEvent(contact, ElementOperation.ADD);
final var event = new ContactOperation(contact, ElementOperation.ADD);
// Sends the event to the server
eventBus.dispatch(new SendEvent(event));
// Updates the UI

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@ -13,7 +13,7 @@ import envoy.client.ui.SceneContext;
import envoy.data.Contact;
import envoy.data.User;
import envoy.event.EventBus;
import envoy.event.GroupCreationEvent;
import envoy.event.GroupCreation;
/**
* Project: <strong>envoy-client</strong><br>
@ -49,7 +49,8 @@ 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
* @param localDB the local database from which potential group members can
* be selected
* @since Envoy Client v0.1-beta
*/
public void initializeData(SceneContext sceneContext, LocalDB localDB) {
@ -63,13 +64,13 @@ public class GroupCreationScene {
}
/**
* Sends a {@link GroupCreationEvent} to the server.
* Sends a {@link GroupCreation} to the server.
*
* @since Envoy Client v0.1-beta
*/
@FXML
private void sendGroupObject() {
eventBus.dispatch(new SendEvent(new GroupCreationEvent(groupNameBar.getText(),
eventBus.dispatch(new SendEvent(new GroupCreation(groupNameBar.getText(),
contactList.getSelectionModel().getSelectedItems().stream().map(Contact::getID).collect(Collectors.toSet()))));
}

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@ -16,13 +16,14 @@ import envoy.client.data.ClientConfig;
import envoy.client.data.LocalDB;
import envoy.client.net.Client;
import envoy.client.ui.SceneContext;
import envoy.client.ui.Startup;
import envoy.data.LoginCredentials;
import envoy.data.Message;
import envoy.data.User;
import envoy.data.User.UserStatus;
import envoy.event.EventBus;
import envoy.event.HandshakeRejectionEvent;
import envoy.event.MessageStatusChangeEvent;
import envoy.event.HandshakeRejection;
import envoy.event.MessageStatusChange;
import envoy.exception.EnvoyException;
import envoy.util.EnvoyLog;
@ -58,7 +59,7 @@ public final class LoginScene {
private Client client;
private LocalDB localDB;
private Cache<Message> receivedMessageCache;
private Cache<MessageStatusChangeEvent> receivedMessageStatusChangeEventCache;
private Cache<MessageStatusChange> receivedMessageStatusChangeCache;
private SceneContext sceneContext;
private static final Logger logger = EnvoyLog.getLogger(LoginScene.class);
@ -70,7 +71,8 @@ public final class LoginScene {
connectionLabel.setText("Server: " + config.getServer() + ":" + config.getPort());
// Show an alert after an unsuccessful handshake
eventBus.register(HandshakeRejectionEvent.class,
eventBus.register(
HandshakeRejection.class,
e -> Platform.runLater(() -> { clearPasswordFields(); new Alert(AlertType.ERROR, e.get()).showAndWait(); }));
}
@ -79,25 +81,25 @@ public final class LoginScene {
*
* @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 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 receivedMessageStatusChangeCache the cache storing
* messageStatusChangeEvents received
* during handshake
* @param sceneContext the scene context used to initialize
* the chat
* scene
* @since Envoy Client v0.1-beta
*/
public void initializeData(Client client, LocalDB localDB, Cache<Message> receivedMessageCache,
Cache<MessageStatusChangeEvent> receivedMessageStatusChangeEventCache, SceneContext sceneContext) {
Cache<MessageStatusChange> receivedMessageStatusChangeCache, SceneContext sceneContext) {
this.client = client;
this.localDB = localDB;
this.receivedMessageCache = receivedMessageCache;
this.receivedMessageStatusChangeEventCache = receivedMessageStatusChangeEventCache;
this.receivedMessageStatusChangeCache = receivedMessageStatusChangeCache;
this.sceneContext = sceneContext;
// Prepare handshake
@ -117,12 +119,13 @@ public final class LoginScene {
if (registerCheckBox.isSelected() && !passwordField.getText().equals(repeatPasswordField.getText())) {
clearPasswordFields();
new Alert(AlertType.ERROR, "The entered password is unequal to the repeated one").showAndWait();
} else performHandshake(new LoginCredentials(userTextField.getText(), passwordField.getText().toCharArray(), registerCheckBox.isSelected()));
} else performHandshake(
new LoginCredentials(userTextField.getText(), passwordField.getText().toCharArray(), registerCheckBox.isSelected(), Startup.VERSION));
}
@FXML
private void offlineModeButtonPressed() {
attemptOfflineMode(new LoginCredentials(userTextField.getText(), passwordField.getText().toCharArray(), false));
attemptOfflineMode(new LoginCredentials(userTextField.getText(), passwordField.getText().toCharArray(), false, Startup.VERSION));
}
@FXML
@ -142,9 +145,9 @@ public final class LoginScene {
private void performHandshake(LoginCredentials credentials) {
try {
client.performHandshake(credentials, receivedMessageCache, receivedMessageStatusChangeEventCache);
client.performHandshake(credentials, receivedMessageCache, receivedMessageStatusChangeCache);
if (client.isOnline()) {
client.initReceiver(localDB, receivedMessageCache, receivedMessageStatusChangeEventCache);
client.initReceiver(localDB, receivedMessageCache, receivedMessageStatusChangeCache);
loadChatScene();
}
} catch (IOException | InterruptedException | TimeoutException e) {
@ -209,7 +212,7 @@ public final class LoginScene {
// Relay unread messages from cache
if (receivedMessageCache != null && client.isOnline()) receivedMessageCache.relay();
if (receivedMessageStatusChangeEventCache != null && client.isOnline()) receivedMessageStatusChangeEventCache.relay();
if (receivedMessageStatusChangeCache != null && client.isOnline()) receivedMessageStatusChangeCache.relay();
}
private void clearPasswordFields() {