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Make State SimpleObjectProperty in ClientConnectionHandler.java 

Add changelistener to stateproperty in ChatWindowController.java

fixes Issue #21
This commit is contained in:
Andrin Fassbind 2022-04-12 17:44:49 +02:00
parent 029e099f26
commit f2945b3075
2 changed files with 32 additions and 19 deletions
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22
client/src/main/java/ch/zhaw/pm2/multichat/client/ChatWindowController.java
View File

@ -4,6 +4,8 @@ import ch.zhaw.pm2.multichat.client.ClientConnectionHandler.State;
import ch.zhaw.pm2.multichat.protocol.ChatProtocolException;
import ch.zhaw.pm2.multichat.protocol.NetworkHandler;
import javafx.application.Platform;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.event.EventHandler;
import javafx.fxml.FXML;
import javafx.scene.control.Button;
@ -40,7 +42,6 @@ public class ChatWindowController {
public void initialize() {
serverAddressField.setText(NetworkHandler.DEFAULT_ADDRESS.getCanonicalHostName());
serverPortField.setText(String.valueOf(NetworkHandler.DEFAULT_PORT));
stateChanged(NEW);
messages = new ClientMessageList(this);
}
@ -50,7 +51,7 @@ public class ChatWindowController {
@FXML
private void toggleConnection () {
if (connectionHandler == null || connectionHandler.getState() != CONNECTED) {
if (connectionHandler == null || connectionHandler.getStateObjectProperty().get() != CONNECTED) {
connect();
} else {
disconnect();
@ -117,6 +118,9 @@ public class ChatWindowController {
// register window close handler
rootPane.getScene().getWindow().addEventHandler(WindowEvent.WINDOW_CLOSE_REQUEST, windowCloseHandler);
//register changelistener
startChangeListener();
}
private void terminateConnectionHandler() {
@ -141,6 +145,16 @@ public class ChatWindowController {
}
}
private void startChangeListener() {
connectionHandler.getStateObjectProperty().addListener(new ChangeListener<State>() {
@Override
public void changed(ObservableValue<? extends State> observable, State oldValue, State newValue) {
stateChanged(newValue);
}
});
}
public void setUserName(String userName) {
Platform.runLater(new Runnable() {
@Override
@ -211,8 +225,4 @@ public class ChatWindowController {
}
}
}

29
client/src/main/java/ch/zhaw/pm2/multichat/client/ClientConnectionHandler.java
View File

@ -2,6 +2,8 @@ package ch.zhaw.pm2.multichat.client;
import ch.zhaw.pm2.multichat.protocol.ChatProtocolException;
import ch.zhaw.pm2.multichat.protocol.NetworkHandler;
import javafx.beans.property.ObjectProperty;
import javafx.beans.property.SimpleObjectProperty;
import java.io.EOFException;
import java.io.IOException;
@ -25,7 +27,7 @@ public class ClientConnectionHandler implements Runnable {
public static final String USER_ALL = "*";
private String userName = USER_NONE;
private State state = NEW;
private ObjectProperty<State> stateObjectProperty;
enum State {
NEW, CONFIRM_CONNECT, CONNECTED, CONFIRM_DISCONNECT, DISCONNECTED;
@ -37,15 +39,16 @@ public class ClientConnectionHandler implements Runnable {
this.connection = connection;
this.userName = (userName == null || userName.isBlank())? USER_NONE : userName;
this.controller = controller;
this.stateObjectProperty = new SimpleObjectProperty<>(NEW);
}
public State getState() {
return this.state;
public ObjectProperty<State> getStateObjectProperty() {
return stateObjectProperty;
}
public void setState (State newState) {
this.state = newState;
controller.stateChanged(newState);
this.stateObjectProperty.set(newState);
}
public void run () {
@ -119,7 +122,7 @@ public class ClientConnectionHandler implements Runnable {
if (type.equals(DATA_TYPE_CONNECT)) {
System.err.println("Illegal connect request from server");
} else if (type.equals(DATA_TYPE_CONFIRM)) {
if (state == CONFIRM_CONNECT) {
if (stateObjectProperty.get() == CONFIRM_CONNECT) {
this.userName = reciever;
controller.setUserName(userName);
controller.setServerPort(connection.getRemotePort());
@ -127,7 +130,7 @@ public class ClientConnectionHandler implements Runnable {
controller.addInfo(payload);
System.out.println("CONFIRM: " + payload);
this.setState(CONNECTED);
} else if (state == CONFIRM_DISCONNECT) {
} else if (stateObjectProperty.get() == CONFIRM_DISCONNECT) {
controller.addInfo(payload);
System.out.println("CONFIRM: " + payload);
this.setState(DISCONNECTED);
@ -135,7 +138,7 @@ public class ClientConnectionHandler implements Runnable {
System.err.println("Got unexpected confirm message: " + payload);
}
} else if (type.equals(DATA_TYPE_DISCONNECT)) {
if (state == DISCONNECTED) {
if (stateObjectProperty.get() == DISCONNECTED) {
System.out.println("DISCONNECT: Already in disconnected: " + payload);
return;
}
@ -143,8 +146,8 @@ public class ClientConnectionHandler implements Runnable {
System.out.println("DISCONNECT: " + payload);
this.setState(DISCONNECTED);
} else if (type.equals(DATA_TYPE_MESSAGE)) {
if (state != CONNECTED) {
System.out.println("MESSAGE: Illegal state " + state + " for message: " + payload);
if (stateObjectProperty.get() != CONNECTED) {
System.out.println("MESSAGE: Illegal state " + stateObjectProperty.get() + " for message: " + payload);
return;
}
controller.addMessage(sender, reciever, payload);
@ -183,19 +186,19 @@ public class ClientConnectionHandler implements Runnable {
}
public void connect() throws ChatProtocolException {
if (state != NEW) throw new ChatProtocolException("Illegal state for connect: " + state);
if (stateObjectProperty.get() != NEW) throw new ChatProtocolException("Illegal state for connect: " + stateObjectProperty.get());
this.sendData(userName, USER_NONE, DATA_TYPE_CONNECT,null);
this.setState(CONFIRM_CONNECT);
}
public void disconnect() throws ChatProtocolException {
if (state != NEW && state != CONNECTED) throw new ChatProtocolException("Illegal state for disconnect: " + state);
if (stateObjectProperty.get() != NEW && stateObjectProperty.get() != CONNECTED) throw new ChatProtocolException("Illegal state for disconnect: " + stateObjectProperty.get());
this.sendData(userName, USER_NONE, DATA_TYPE_DISCONNECT,null);
this.setState(CONFIRM_DISCONNECT);
}
public void message(String receiver, String message) throws ChatProtocolException {
if (state != CONNECTED) throw new ChatProtocolException("Illegal state for message: " + state);
if (stateObjectProperty.get() != CONNECTED) throw new ChatProtocolException("Illegal state for message: " + stateObjectProperty.get());
this.sendData(userName, receiver, DATA_TYPE_MESSAGE,message);
}