@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
HttpSession session = req.getSession(true);
String sessionId = session.getId();
ChannelService channelService = ChannelServiceFactory.getChannelService();
String token = channelService.createChannel(sessionId);
StringBuilder sessionMap = new StringBuilder();
Enumeration<String> attributeNames = session.getAttributeNames();
while (attributeNames.hasMoreElements()) {
String name = attributeNames.nextElement();
sessionMap
.append(name)
.append(" => ")
.append(session.getAttribute(name).toString())
.append("<br/>");
}
resp.setContentType("text/html");
new SkimpyTemplate(getServletContext().getResourceAsStream("/injectable.html"))
.add("sessionId", sessionId)
.add("token", token)
.add("session-vars", sessionMap.toString())
.write(resp.getWriter());
}
public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {
UserService userService = UserServiceFactory.getUserService();
User user = userService.getCurrentUser();
String message_type = req.getParameter("type");
String user_name = user.getNickname();
String userId = user.getUserId();
if (message_type.compareTo("message") == 0) {
String message = req.getParameter("text");
String chat_message = chatMessage(user_name, message);
sendChannelMessageToAll(user_name, chat_message);
addMessageToCache(chat_message);
} else if (message_type.compareTo("get_token") == 0) {
// generate and give token to user
ChannelService channelService = ChannelServiceFactory.getChannelService();
String token = channelService.createChannel(userId);
addToCacheList(_tokenKey, userId);
resp.setCharacterEncoding("UTF-8");
resp.setContentType("text/html");
PrintWriter out = resp.getWriter();
out.print(tokenMessage(user_name, token));
} else if (message_type.compareTo("leave") == 0) {
removeFromCacheList(_tokenKey, userId);
}
}
public LoginInfo login(String requestUri) {
UserService userService = UserServiceFactory.getUserService();
User user = userService.getCurrentUser();
LoginInfo loginInfo = new LoginInfo();
ChannelService channelService = ChannelServiceFactory.getChannelService();
if (user != null) {
loginInfo.setLoggedIn(true);
loginInfo.setEmailAddress(user.getEmail());
loginInfo.setNickname(user.getNickname());
loginInfo.setLogoutUrl(userService.createLogoutURL(requestUri));
String token = channelService.createChannel(loginInfo.getEmailAddress());
loginInfo.setToken(token);
} else {
loginInfo.setLoggedIn(false);
loginInfo.setLoginUrl(userService.createLoginURL(requestUri));
}
return loginInfo;
}
public static String getChannelToken(String clientId) {
// Key includes appid; KeyFactory.keyToString(myKey) will not work for backend.
return channelService.createChannel(clientId);
}