void processNewUser(NewUserMessage message) {
String newUsername = this.validateUsername(message.getUsername());
NewUserMessage uMessage = new NewUserMessage(newUsername);
try {
session.getBasicRemote().sendObject(uMessage);
} catch (IOException | EncodeException ioe) {
System.out.println(
"Error signing " + message.getUsername() + " into chat : " + ioe.getMessage());
}
this.registerUser(newUsername);
try {
ResultSet rs = null, ds = null;
String z, x;
String url1 = "jdbc:mysql://localhost:3306/chat";
Connection conn1 = DriverManager.getConnection(url1, "root", "root");
Statement st1 = conn1.createStatement();
Statement st2 = conn1.createStatement();
String myQuery = "SELECT Message,Recepient FROM Log WHERE User = '******'";
System.out.println(myQuery);
rs =
st1.executeQuery("SELECT Message,Recepient FROM Log WHERE User = '******';");
while (rs.next()) {
z = rs.getString("Message");
x = rs.getString("Recepient");
ChatUpdateMessage cdm1 = new ChatUpdateMessage(newUsername, z, x);
try {
session.getBasicRemote().sendObject(cdm1);
} catch (IOException | EncodeException ex) {
System.out.println("Error updating a client : " + ex.getMessage());
}
}
ds =
st2.executeQuery("SELECT Message,User FROM Log WHERE Recepient = '" + newUsername + "';");
while (ds.next()) {
z = ds.getString("Message");
x = ds.getString("User");
ChatUpdateMessage cdm2 = new ChatUpdateMessage(x, z, newUsername);
try {
session.getBasicRemote().sendObject(cdm2);
} catch (IOException | EncodeException ex) {
System.out.println("Error updating a client : " + ex.getMessage());
}
}
} catch (Exception e) {
System.err.println("Got an exception! ");
System.err.println(e.getMessage());
}
this.broadcastUserListUpdate();
}
@OnMessage
public void handleMessage(String message, Session session) throws IOException {
if (!message.equals("ping")) {
throw new IllegalArgumentException("Invalid message received: " + message);
}
session.getBasicRemote().sendText("pong");
}
private void broadcastUserListUpdate() {
UserListUpdateMessage ulum = new UserListUpdateMessage(this.getUserList());
for (Session nextSession : session.getOpenSessions()) {
try {
nextSession.getBasicRemote().sendObject(ulum);
} catch (IOException | EncodeException ex) {
System.out.println("Error updating a client : " + ex.getMessage());
}
}
}
/**
* When a user sends a message to the server, this method will intercept the message and allow us
* to react to it. For now the message is read as a String.
*/
@OnMessage
public void onMessage(String message, Session session) {
Logger logger = LogManager.getFormatterLogger(EchoService.class);
logger.info("Message from " + session.getId() + ": " + message);
try {
session.getBasicRemote().sendText(message);
} catch (IOException ex) {
ex.printStackTrace();
logger.error(ex.getMessage(), ex);
}
}
@OnOpen
public void onOpen(Session session) {
try {
// add new user to list of users
sessionList.add(session);
// send new user their session id
session.getBasicRemote().sendText("{\"sessionId\":\"" + session.getId() + "\"}");
} catch (IOException e) {
}
}
private boolean processWatchKey(WatchKey watchKey) {
for (WatchEvent<?> event : watchKey.pollEvents()) {
if (StandardWatchEventKinds.OVERFLOW == event.kind()) continue;
try {
session.getBasicRemote().sendObject(((Path) event.context()).toFile());
} catch (Exception e) {
e.printStackTrace();
}
}
return watchKey.reset();
}
@OnOpen
public void onOpen(Session session) {
try {
User person = new User();
person.setName("john");
person.setSurname("smith");
person.setEmail("*****@*****.**");
session.getBasicRemote().sendObject(person);
} catch (Exception e) {
e.printStackTrace();
}
}
@OnOpen
public void setMonitor(@PathParam("directory") String directory, Session s) {
System.out.printf("Watch for %s%n", directory);
try {
watchService = FileSystems.getDefault().newWatchService();
session = s;
Path p = new File(directory).toPath();
p.register(
watchService,
StandardWatchEventKinds.ENTRY_CREATE,
StandardWatchEventKinds.ENTRY_DELETE,
StandardWatchEventKinds.ENTRY_MODIFY);
session.getBasicRemote().sendText("Registered " + p);
pollThr = new Thread(this);
pollThr.start();
} catch (IOException e) {
try {
session.getBasicRemote().sendText("Can't setup watcher :" + e);
} catch (IOException e2) {
}
}
}
private void broadcastTranscriptUpdate() {
String v = this.transcript.getRec();
String g;
if (c.equals(v)) {
for (Session nextSession : session.getOpenSessions()) {
ChatUpdateMessage cdm =
new ChatUpdateMessage(
this.transcript.getLastUsername(),
this.transcript.getLastMessage(),
this.transcript.getRec());
try {
nextSession.getBasicRemote().sendObject(cdm);
} catch (IOException | EncodeException ex) {
System.out.println("Error updating a client : " + ex.getMessage());
}
}
} else {
for (Session nextSession : session.getOpenSessions()) {
String check = this.transcript.getRec();
ChatUpdateMessage cdm =
new ChatUpdateMessage(
this.transcript.getLastUsername(),
this.transcript.getLastMessage(),
this.transcript.getRec());
g = (String) nextSession.getUserProperties().get(USERNAME_KEY);
if (v.equals(g)) {
try {
nextSession.getBasicRemote().sendObject(cdm);
} catch (IOException | EncodeException ex) {
System.out.println("Error updating a client : " + ex.getMessage());
}
}
}
}
}
/**
* @OnOpen allows us to intercept the creation of a new session. The session class allows us to
* send data to the user. In the method onOpen, we'll let the user know that the handshake was
* successful.
*/
@OnOpen
public void onOpen(Session session) {
Logger logger = LogManager.getFormatterLogger(EchoService.class);
logger.info(session.getId() + " has opened a connection");
logger.info("MaxBinaryMessageBufferSize %d", session.getMaxBinaryMessageBufferSize());
logger.info("MaxIdleTimeout %d", session.getMaxIdleTimeout());
logger.info("MaxTextMessageBufferSize %d", session.getMaxTextMessageBufferSize());
logger.info("Open sessions size %d", session.getOpenSessions().size());
logger.info("Protocol %s", session.getProtocolVersion());
logger.info("QueryString %s", session.getQueryString());
try {
session.getBasicRemote().sendText("Connection Established");
} catch (IOException ex) {
ex.printStackTrace();
logger.error(ex.getMessage(), ex);
}
}
@OnMessage
public void message(
@PathParam("gameidentifier") String gameIdentifier, String message, Session client)
throws IOException, EncodeException {
JsonObject jsonObj = Json.createReader(new StringReader(message)).readObject();
String command = jsonObj.getString("command");
if (command.equals("getPlayers")) {
JsonArrayBuilder arrayBuilder = getCouchStorage().playersList(gameIdentifier);
JsonObjectBuilder objectBuilder =
Json.createObjectBuilder().add("players", arrayBuilder).add("command", "loadPlayers");
client.getBasicRemote().sendText(objectBuilder.build().toString());
} else if (command.equals("addPlayer")) {
String playerUUID = jsonObj.getString("playerID");
Point position =
new Point(jsonObj.getJsonNumber("positionX"), jsonObj.getJsonNumber("positionY"));
getCouchStorage().addPlayer(playerUUID, position, gameIdentifier);
JsonObjectBuilder objectBuilderForAdd =
Json.createObjectBuilder()
.add("command", "addedPlayer")
.add(
"data",
Json.createObjectBuilder()
.add("PlayerID", playerUUID)
.add("positionX", position.getPointX())
.add("positionY", position.getPointY()));
String jsonString = objectBuilderForAdd.build().toString();
for (Session peer : client.getOpenSessions()) {
peer.getBasicRemote().sendText(jsonString);
}
} else if (command.equals("movePlayer")) {
JsonObject jsonMoveData =
Json.createReader(new StringReader(message)).readObject().getJsonObject("data");
JsonObjectBuilder objectBuilder =
Json.createObjectBuilder().add("command", "playerMoved").add("data", jsonMoveData);
String playerId = jsonMoveData.getString("PlayerID");
Point position =
new Point(
jsonMoveData.getJsonNumber("positionX"), jsonMoveData.getJsonNumber("positionY"));
Point targetPosition =
new Point(
jsonMoveData.getJsonNumber("targetPositionX"),
jsonMoveData.getJsonNumber("targetPositionY"));
int direction = jsonMoveData.getInt("direction");
getCouchStorage().updatePlayer(playerId, position, direction, targetPosition);
String jsonString = objectBuilder.build().toString();
for (Session peer : client.getOpenSessions()) {
peer.getBasicRemote().sendText(jsonString);
}
} else if (command.equals("synchronize")) {
JsonArray items =
Json.createReader(new StringReader(message)).readObject().getJsonArray("data");
getCouchStorage().synchronizePlayers(items);
JsonArrayBuilder arrayBuilder = getCouchStorage().playersList(gameIdentifier);
JsonObjectBuilder objectBuilder =
Json.createObjectBuilder().add("players", arrayBuilder).add("command", "synchronize");
String jsonString = objectBuilder.build().toString();
for (Session peer : client.getOpenSessions()) {
peer.getBasicRemote().sendText(jsonString);
}
}
}
