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Merge pull request #25 from PM2-IT21bWIN-ruiz-mach-krea/Class_Message 

Class Message
This commit is contained in:
fassband 2022-04-12 15:23:35 +02:00 committed by GitHub Enterprise
parent a27b7f4446 1a188f6bbd
commit 9eb352c0fe
5 changed files with 133 additions and 80 deletions
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70
client/src/main/java/ch/zhaw/pm2/multichat/client/ChatWindowController.java
View File

@ -19,7 +19,6 @@ import java.util.regex.Pattern;
import static ch.zhaw.pm2.multichat.client.ClientConnectionHandler.State.*;
public class ChatWindowController {
private final Pattern messagePattern = Pattern.compile( "^(?:@(\\w*))?\\s*(.*)$" );
private ClientConnectionHandler connectionHandler;
private ClientMessageList messages;
@ -41,7 +40,10 @@ public class ChatWindowController {
serverAddressField.setText(NetworkHandler.DEFAULT_ADDRESS.getCanonicalHostName());
serverPortField.setText(String.valueOf(NetworkHandler.DEFAULT_PORT));
stateChanged(NEW);
messages = new ClientMessageList(this);
}
public void setMessages(ClientMessageList messages) {
this.messages = messages;
}
private void applicationClose() {
@ -59,46 +61,40 @@ public class ChatWindowController {
private void connect() {
try {
messages = new ClientMessageList(this); // clear message list
messages.clear(); // clear message list
redrawMessageList();
startConnectionHandler();
connectionHandler.connect();
} catch(ChatProtocolException | IOException e) {
writeError(e.getMessage());
addError(e.getMessage());
}
}
private void disconnect() {
if (connectionHandler == null) {
writeError("No connection handler");
addError("No connection handler");
return;
}
try {
connectionHandler.disconnect();
} catch (ChatProtocolException e) {
writeError(e.getMessage());
addError(e.getMessage());
}
}
@FXML
private void message() {
if (connectionHandler == null) {
writeError("No connection handler");
return;
}
String messageString = messageField.getText().strip();
messageField.clear();
Matcher matcher = messagePattern.matcher(messageString);
if (matcher.find()) {
String receiver = matcher.group(1);
String message = matcher.group(2);
if (receiver == null || receiver.isBlank()) receiver = ClientConnectionHandler.USER_ALL;
try {
connectionHandler.message(receiver, message);
} catch (ChatProtocolException e) {
writeError(e.getMessage());
try {
if (connectionHandler == null) {
addError("No connection handler");
} else if (!connectionHandler.message(messageString)) {
addError("Not a valid message format.");
} else {
messageField.clear();
}
} else {
writeError("Not a valid message format.");
} catch (ChatProtocolException e) {
addError(e.getMessage());
}
}
@ -170,42 +166,25 @@ public class ChatWindowController {
}
public void addMessage(String sender, String receiver, String message) {
messages.addMessage(ClientMessageList.MessageType.MESSAGE, sender, receiver, message);
messages.addMessage(new Message(Message.MessageType.MESSAGE, sender, receiver, message));
this.redrawMessageList();
}
public void addInfo(String message) {
messages.addMessage(ClientMessageList.MessageType.INFO, null, null, message);
messages.addMessage(new Message(Message.MessageType.INFO, null, null, message));
this.redrawMessageList();
}
public void addError(String message) {
messages.addMessage(ClientMessageList.MessageType.ERROR, null, null, message);
messages.addMessage(new Message(Message.MessageType.ERROR, null, null, message));
this.redrawMessageList();
}
public void clearMessageArea() {
this.messageArea.clear();
}
private void redrawMessageList() {
Platform.runLater(() -> messages.writeFilteredMessages(filterValue.getText().strip()));
this.messageArea.clear();
Platform.runLater(() -> this.messageArea.setText(messages.getFilteredMessages(filterValue.getText().strip())));
}
public void writeError(String message) {
this.messageArea.appendText(String.format("[ERROR] %s\n", message));
}
public void writeInfo(String message) {
this.messageArea.appendText(String.format("[INFO] %s\n", message));
}
public void writeMessage(String sender, String reciever, String message) {
this.messageArea.appendText(String.format("[%s -> %s] %s\n", sender, reciever, message));
}
class WindowCloseHandler implements EventHandler<WindowEvent> {
public void handle(WindowEvent event) {
applicationClose();
@ -213,7 +192,4 @@ public class ChatWindowController {
}
}

21
client/src/main/java/ch/zhaw/pm2/multichat/client/ClientConnectionHandler.java
View File

@ -7,6 +7,8 @@ import java.io.EOFException;
import java.io.IOException;
import java.net.SocketException;
import java.util.Scanner;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import static ch.zhaw.pm2.multichat.client.ClientConnectionHandler.State.*;
@ -24,6 +26,8 @@ public class ClientConnectionHandler implements Runnable {
public static final String USER_NONE = "";
public static final String USER_ALL = "*";
private final Pattern messagePattern = Pattern.compile( "^(?:@(\\w*))?\\s*(.*)$" );
private String userName = USER_NONE;
private State state = NEW;
@ -194,9 +198,22 @@ public class ClientConnectionHandler implements Runnable {
this.setState(CONFIRM_DISCONNECT);
}
public void message(String receiver, String message) throws ChatProtocolException {
public boolean message(String messageString) throws ChatProtocolException {
if (state != CONNECTED) throw new ChatProtocolException("Illegal state for message: " + state);
this.sendData(userName, receiver, DATA_TYPE_MESSAGE,message);
Matcher matcher = messagePattern.matcher(messageString);
if (matcher.find()) {
String receiver = matcher.group(1);
String message = matcher.group(2);
if(message.length() < 1){
return false;
}
if (receiver == null || receiver.isBlank()) receiver = ClientConnectionHandler.USER_ALL;
this.sendData(userName, receiver, DATA_TYPE_MESSAGE,message);
return true;
} else {
return false;
}
}
}

46
client/src/main/java/ch/zhaw/pm2/multichat/client/ClientMessageList.java
View File

@ -2,50 +2,34 @@ package ch.zhaw.pm2.multichat.client;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
public class ClientMessageList {
private final List<MessageType> typeList = new ArrayList<>();
private final List<String> senderList = new ArrayList<>();
private final List<String> receiverList = new ArrayList<>();
private final List<String> messageList = new ArrayList<>();
private final ChatWindowController gui;
private List<Message> messages = new ArrayList<>();
public ClientMessageList(ChatWindowController gui) {
this.gui = gui;
}
public void addMessage(MessageType type, String sender, String receiver, String message) {
typeList.add(type);
senderList.add(sender);
receiverList.add(receiver);
messageList.add(message);
public void addMessage(Message message) {
messages.add(message);
}
public void writeFilteredMessages(String filter) {
public String getFilteredMessages(String filter) {
StringBuilder result = new StringBuilder();
boolean showAll = filter == null || filter.isBlank();
gui.clearMessageArea();
for(int i=0; i<senderList.size(); i++) {
String sender = Objects.requireNonNullElse(senderList.get(i),"");
String receiver = Objects.requireNonNullElse(receiverList.get(i),"");
String message = Objects.requireNonNull(messageList.get(i), "");
if(showAll ||
sender.contains(filter) ||
receiver.contains(filter) ||
message.contains(filter))
for(Message message : messages) {
if(showAll || message.matchesFilter(filter))
{
switch (typeList.get(i)) {
case MESSAGE: gui.writeMessage(senderList.get(i), receiverList.get(i), messageList.get(i)); break;
case ERROR: gui.writeError(messageList.get(i)); break;
case INFO: gui.writeInfo(messageList.get(i)); break;
default: gui.writeError("Unexpected message type: " + typeList.get(i));
switch (message.getType()) {
case MESSAGE -> result.append(String.format("[%s -> %s] %s\n", message.getSender(), message.getReceiver(), message.getText()));
case ERROR -> result.append(String.format("[ERROR] %s\n", message.getText()));
case INFO -> result.append(String.format("[INFO] %s\n", message.getText()));
default -> result.append(String.format("[ERROR] %s\n", "Unexpected message type: " + message.getType()));
}
}
}
return result.toString();
}
public enum MessageType {
INFO, MESSAGE, ERROR;
public void clear() {
messages = new ArrayList<>();
}
}

5
client/src/main/java/ch/zhaw/pm2/multichat/client/ClientUI.java
View File

@ -7,6 +7,7 @@ import javafx.scene.layout.Pane;
import javafx.stage.Stage;
public class ClientUI extends Application {
private ClientMessageList clientMessageList = new ClientMessageList();
@Override
public void start(Stage primaryStage) {
@ -17,6 +18,10 @@ public class ClientUI extends Application {
try {
FXMLLoader loader = new FXMLLoader(getClass().getResource("ChatWindow.fxml"));
Pane rootPane = loader.load();
ChatWindowController chatWindowController = loader.getController();
chatWindowController.setMessages(clientMessageList);
// fill in scene and stage setup
Scene scene = new Scene(rootPane);
//scene.getStylesheets().add(getClass().getResource("application.css").toExternalForm());

71
client/src/main/java/ch/zhaw/pm2/multichat/client/Message.java Normal file
View File

@ -0,0 +1,71 @@
package ch.zhaw.pm2.multichat.client;
/**
A Message object represents one Message of a client. Can be stored in ClientMessageList.
*/
public class Message {
private MessageType type;
private String sender;
private String receiver;
private String text;
/**
* Constructor of Message. Needs all Information about a Message to save them.
* @param type Message (if it's a message typed by a user), Error or Information (if it is generated automatically, in this case sender and reciever will be null)
* @param sender The User who has sent the message.
* @param receiver The User who should recieve the message.
* @param text The Text of the message.
*/
public Message(MessageType type, String sender, String receiver, String text) {
this.type = type;
this.sender = sender;
this.receiver = receiver;
this.text = text;
}
/**
* Checks if the Filter String is contained in one of the datafields sender, receiver or text
* @param filter The Filter String
* @return true if it the Filter String is contained in a datafield.
*/
public boolean matchesFilter(String filter){
return (sender != null && sender.contains(filter)) ||
(receiver != null && receiver.contains(filter)) ||
(text != null && text.contains(filter));
}
/**
* @return The type of the message.
*/
public MessageType getType() {
return type;
}
/**
* @return The User who has sent the Message.
*/
public String getSender() {
return sender;
}
/**
* @return The Reciever who recieves the Message.
*/
public String getReceiver() {
return receiver;
}
/**
* @return The Text of the Message.
*/
public String getText() {
return text;
}
/**
* Enummeration of Message Types.
*/
public enum MessageType {
INFO, MESSAGE, ERROR;
}
}