Get rid of switch statements in favor of an EventEmitter-based router for message handling.

lib/roles/notify/hipchat.js

@@ -6,6 +6,7 @@ var zmq = require('zmq')
 
 var logger = require('../../util/logger')
 var wire = require('../../wire')
+var wirerouter = require('../../wire/router')
 var wireutil = require('../../util/wireutil')(wire)
 
 module.exports = function(options) {
@@ -27,19 +28,15 @@ module.exports = function(options) {
     sub.subscribe(channel)
   })
 
-  sub.on('message', function(channel, data) {
-    var wrapper = wire.Envelope.decode(data)
-    switch (wrapper.type) {
-      case wire.MessageType.DEVICE_LOG:
-        var message = wire.DeviceLogMessage.decode(wrapper.message)
-        if (message.priority >= options.priority) {
-          buffer.push(message)
-          clearTimeout(timer)
-          timer = setTimeout(push, 1000)
-        }
-        break
-    }
-  })
+  sub.on('message', wirerouter()
+    .on(wire.MessageType.DeviceLogMessage, function(channel, message) {
+      if (message.priority >= options.priority) {
+        buffer.push(message)
+        clearTimeout(timer)
+        timer = setTimeout(push, 1000)
+      }
+    })
+    .handler())
 
   function push() {
     var messages = buffer.splice(0).map(function(entry) {