added first prototype of a simple object manager

README.markdown

@@ -12,6 +12,28 @@ With package manager [npm](http://npmjs.org/):
 
 ## Usage
 
+### Manager
+
+```coffeescript
+xmpp = require "node-xmpp"
+joap = require "node-xmpp-joap"
+
+comp = new xmpp.Component
+  jid       : "mycomponent"
+  password  : "secret"
+  host      : "127.0.0.1"
+  port      : "8888"
+
+class User
+  constructor: (params) ->
+    { @name, @age } = params
+
+mgr = new joap.Manager comp
+mgr.addClass "User", User, ["name"]
+```
+
+### Router
+
 ```coffeescript
 xmpp = require "node-xmpp"
 joap = require "node-xmpp-joap"

lib/Manager.coffee

@@ -0,0 +1,73 @@
+events  = require "events"
+joap    = require "node-xmpp-joap"
+
+YOUR_NOT_AUTH = "You are not authorized"
+
+class Manager extends events.EventEmitter
+
+  constructor: (@xmpp) ->
+    @classes = {}
+    @objects = {}
+    @router = new joap.Router @xmpp
+    @router.on "add", @onAdd
+    @router.on "read", @onRead
+
+  hasPermission: (jid, action, clazz) -> true
+
+  addClass: (name, creator, required=[], notWritable=[]) ->
+    if typeof creator is "function" and not @classes[name]?
+      @classes[name] = {creator:creator, required:required, notWritable:notWritable}
+      @objects[name] = {}
+      true
+    else false
+
+  create: (clazzName, params) ->
+    clazz = @classes[clazzName]
+    if clazz?
+      for r in clazz.required
+        return false if not params[r]?
+      x = new clazz.creator params
+      if not x.id or @objects[clazzName][x.id]?
+        x.id = joap.uniqueId()
+      @objects[clazzName][x.id] = x
+      "#{clazzName}@#{@router.xmpp.jid}/#{x.id}"
+    else false
+
+  onRead: (action, clazz, instance, iq) =>
+
+    if not @hasPermission iq.attrs.from, action.type, clazz
+      @router.sendError action, 403, "#{YOUR_NOT_AUTH} to read", iq
+
+    else if not clazz? or not instance? or not @objects[clazz][instance]?
+      @router.sendError action, 404, "The object adressed does not exist", iq
+
+    else if @objects[clazz][instance]?
+
+      res = {}
+      inst = @objects[clazz][instance]
+
+      if action.limits
+        res[k] = v for k,v of inst when k in action.limits and typeof v isnt "function"
+      else
+        res[k] = v for k,v of inst when typeof v isnt "function"
+      @router.sendResponse joap.serialize(res, action), iq
+
+  onAdd: (action, clazz, instance, iq) =>
+
+    if not @hasPermission iq.attrs.from, action.type, clazz
+      @router.sendError action, 403, "#{YOUR_NOT_AUTH} to create an instance of the class #{clazz}", iq
+
+    else if not clazz? or instance?
+      @router.sendError action, 405, "#{iq.attrs.to} is not a class", iq
+
+    else if not @classes[clazz]?
+      @router.sendError action, 404, "The class '#{clazz}' does not exist.", iq
+
+    else
+      address = @create clazz, action.attributes
+      if address is false
+        @router.sendError action, 406, "Invalid constructor parameters", iq
+      else
+        @router.sendResponse joap.serialize(address, action), iq
+
+exports.Manager = Manager

lib/Parser.coffee

@@ -24,7 +24,7 @@ class Parser
     else if xml instanceof Array
       (Parser.parse c for c in xml)
 
-    else if xml instanceof ltx.Element
+    else if typeof xml is "object"
 
       if Parser.isJOAPStanza xml
         action = {

lib/Router.coffee

@@ -11,16 +11,17 @@ class Router extends events.EventEmitter
   constructor: (@xmpp) ->
     @xmpp.on "stanza", (iq) =>
 
-      if iq.name is "iq" and (joap.isJOAPStanza xml or joap.isRPCStanza xml)
+      if iq.name is "iq"
 
         child    = iq.children?[0]
         to       = iq.attrs.to
         clazz    = to.split('@')[0]
         instance = to.split('/')[1]
+        action   = joap.parse child
 
-        action = joap.parse child
-        @emit action.type, action, clazz, instance, iq
-        @emit "action", action, clazz, instance, iq
+        if action.type?
+          @emit action.type, action, clazz, instance, iq
+          @emit "action", action, clazz, instance, iq
 
   sendError: (action, code, msg, iq) ->
 

lib/Serializer.coffee

@@ -55,5 +55,6 @@ class Serializer
             new joap.Array val
           else
             new joap.Struct val
+    else ""
 
 exports.Serializer = Serializer

lib/node-xmpp-joap.coffee

@@ -1,6 +1,7 @@
 stanza = require("./stanza")
 
 exports.Router  = require("./Router").Router
+exports.Manager = require("./Manager").Manager
 
 exports.Attribute = stanza.Attribute
 exports.Member    = stanza.Member
@@ -18,3 +19,8 @@ exports.isRPCStanza  = Parser.isRPCStanza
 Serializer = require("./Serializer").Serializer
 exports.Serializer = Serializer
 exports.serialize = Serializer.serialize
+
+exports.uniqueId = (length=8) ->
+ id = ""
+ id += Math.random().toString(36).substr(2) while id.length < length
+ id.substr 0, length

spec/Serializer.spec.coffee

@@ -8,6 +8,8 @@ describe "Serializer", ->
 
     it "serializes basic data types", ->
 
+      (expect Serializer.serialize null ).toEqual ""
+      (expect Serializer.serialize undefined ).toEqual ""
       (expect Serializer.serialize "foo" ).toEqual ltx.parse "<string>foo</string>"
       (expect Serializer.serialize 2 ).toEqual ltx.parse "<int>2</int>"
       (expect Serializer.serialize -0.3 ).toEqual ltx.parse "<double>-0.3</double>"
@@ -43,7 +45,7 @@ describe "Serializer", ->
       (expect Serializer.serialize null, editAct).toEqual ltx.parse "<edit xmlns='jabber:iq:joap' />"
       (expect Serializer.serialize addr, editAct).toEqual ltx.parse "<edit xmlns='jabber:iq:joap' >" +
         "<newAddress>#{addr}</newAddress></edit>"
-      
+
       (expect Serializer.serialize null, delAct).toEqual ltx.parse "<delete xmlns='jabber:iq:joap' />"
 
       searchResults = ["a", "b", "c"]