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merged comet stuff from viktorklang

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This commit is contained in:
jboner 2009-08-02 12:33:42 +02:00
commit 873d5b6988
13 changed files with 284 additions and 223 deletions
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35
samples-scala/src/main/scala/SimpleService.scala
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@ -1,13 +1,16 @@
/**
* Copyright (C) 2009 Scalable Solutions.
*/
package sample.scala
import javax.ws.rs.{GET, POST, Path, Produces, WebApplicationException, Consumes}
import se.scalablesolutions.akka.kernel.state.{TransactionalState, TransactionalMap, CassandraStorageConfig}
import se.scalablesolutions.akka.kernel.actor.{Supervisor, SupervisorFactory, Actor, StartSupervisor}
import se.scalablesolutions.akka.kernel.state.{TransactionalState, CassandraStorageConfig}
import se.scalablesolutions.akka.kernel.actor.{SupervisorFactory, Actor}
import se.scalablesolutions.akka.kernel.config.ScalaConfig._
import javax.ws.rs.core.MultivaluedMap
import _root_.scala.xml.{NodeSeq}
import se.scalablesolutions.akka.kernel.util.{Logging}
import org.atmosphere.core.annotation.{Broadcast, BroadcastFilter => FilterBroadcast, Suspend}
import org.atmosphere.util.{XSSHtmlFilter}
@ -20,8 +23,11 @@ class Boot {
SupervisorConfig(
RestartStrategy(OneForOne, 3, 100),
Supervise(
new Chat,
LifeCycle(Permanent, 100))
new SimpleService,
LifeCycle(Permanent, 100)) ::
Supervise(
new Chat,
LifeCycle(Permanent, 100))
:: Nil)
}
}
@ -53,7 +59,7 @@ class SimpleService extends Actor {
case Tick => if (hasStartedTicking) {
val counter = storage.get(KEY).get.asInstanceOf[Integer].intValue
storage.put(KEY, new Integer(counter + 1))
reply(<success>Tick:{ counter + 1 }</success>)
reply(<success>Tick:{counter + 1}</success>)
} else {
storage.put(KEY, new Integer(0))
hasStartedTicking = true
@ -75,11 +81,14 @@ class Chat extends Actor with Logging {
"servers to send data to the client without having any need " +
"for the client to request it. -->\n"
@Suspend
@GET
@Produces(Array("text/html"))
@FilterBroadcast(Array(classOf[XSSHtmlFilter], classOf[JsonpFilter]))
def suspend() = <!-- Comet is a programming technique that enables web servers to send data to the client without having any need for the client to request it. -->
override def receive: PartialFunction[Any, Unit] = {
case Chat(who, what, msg) => {
//log.info("Chat(" + who + ", " + what + ", " + msg + ")")
what match {
case "login" => reply("System Message__" + who + " has joined.")
case "post" => reply("" + who + "__" + msg)
@ -99,9 +108,6 @@ class Chat extends Actor with Logging {
class JsonpFilter extends BroadcastFilter[String] with Logging {
val BEGIN_SCRIPT_TAG = "<script type='text/javascript'>\n"
val END_SCRIPT_TAG = "</script>\n"
def filter(m: String) = {
var name = m
var message = ""
@ -111,9 +117,6 @@ class JsonpFilter extends BroadcastFilter[String] with Logging {
message = m.substring(m.indexOf("__") + 2)
}
(BEGIN_SCRIPT_TAG + "window.parent.app.update({ name: \""
+ name + "\", message: \""
+ message + "\" });\n"
+ END_SCRIPT_TAG)
("<script type='text/javascript'>\n (window.app || window.parent.app).update({ name: \"" + name + "\", message: \"" + message + "\" }); \n</script>\n")
}
}