forked from lift/examples
/
ChatServer.scala
66 lines (55 loc) · 1.75 KB
/
ChatServer.scala
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/*
* Copyright 2007-2010 WorldWide Conferencing, LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.liftweb {
package example {
package comet {
import _root_.net.liftweb._
import http._
import common._
import actor._
import util._
import Helpers._
import _root_.scala.xml.{NodeSeq, Text}
import textile.TextileParser
import _root_.java.util.Date
/**
* A chat server. It gets messages and returns them
*/
object ChatServer extends LiftActor with ListenerManager {
private var chats: List[ChatLine] = List(ChatLine("System", Text("Welcome"), now))
override def lowPriority = {
case ChatServerMsg(user, msg) if msg.length > 0 =>
chats ::= ChatLine(user, toHtml(msg), timeNow)
chats = chats.take(50)
updateListeners()
case _ =>
}
def createUpdate = ChatServerUpdate(chats.take(15))
/**
* Convert an incoming string into XHTML using Textile Markup
*
* @param msg the incoming string
*
* @return textile markup for the incoming string
*/
def toHtml(msg: String): NodeSeq = TextileParser.paraFixer(TextileParser.toHtml(msg, Empty))
}
case class ChatLine(user: String, msg: NodeSeq, when: Date)
case class ChatServerMsg(user: String, msg: String)
case class ChatServerUpdate(msgs: List[ChatLine])
}
}
}