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root / trunk / web / dojo / dojox / cometd / longPollTransportJsonEncoded.js @ 12

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/*
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        Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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        Available via Academic Free License >= 2.1 OR the modified BSD license.
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        see: http://dojotoolkit.org/license for details
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*/
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if(!dojo._hasResource["dojox.cometd.longPollTransportJsonEncoded"]){
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dojo._hasResource["dojox.cometd.longPollTransportJsonEncoded"]=true;
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dojo.provide("dojox.cometd.longPollTransportJsonEncoded");
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dojo.require("dojox.cometd._base");
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dojox.cometd.longPollTransportJsonEncoded=new function(){
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this._connectionType="long-polling";
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this._cometd=null;
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this.check=function(_1,_2,_3){
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return ((!_3)&&(dojo.indexOf(_1,"long-polling")>=0));
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};
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this.tunnelInit=function(){
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var _4={channel:"/meta/connect",clientId:this._cometd.clientId,connectionType:this._connectionType,id:""+this._cometd.messageId++};
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_4=this._cometd._extendOut(_4);
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this.openTunnelWith([_4]);
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};
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this.tunnelCollapse=function(){
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if(!this._cometd._initialized){
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return;
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}
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if(this._cometd._advice&&this._cometd._advice["reconnect"]=="none"){
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return;
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}
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if(this._cometd._status=="connected"){
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setTimeout(dojo.hitch(this,function(){
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this._connect();
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}),this._cometd._interval());
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}else{
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setTimeout(dojo.hitch(this._cometd,function(){
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this.init(this.url,this._props);
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}),this._cometd._interval());
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}
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};
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this._connect=function(){
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if(!this._cometd._initialized){
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return;
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}
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if(this._cometd._polling){
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return;
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}
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if((this._cometd._advice)&&(this._cometd._advice["reconnect"]=="handshake")){
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this._cometd._status="unconnected";
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this._initialized=false;
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this._cometd.init(this._cometd.url,this._cometd._props);
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}else{
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if(this._cometd._status=="connected"){
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var _5={channel:"/meta/connect",connectionType:this._connectionType,clientId:this._cometd.clientId,id:""+this._cometd.messageId++};
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if(this._cometd.connectTimeout>=this._cometd.expectedNetworkDelay){
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_5.advice={timeout:(this._cometd.connectTimeout-this._cometd.expectedNetworkDelay)};
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}
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_5=this._cometd._extendOut(_5);
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this.openTunnelWith([_5]);
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}
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}
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};
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this.deliver=function(_6){
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};
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this.openTunnelWith=function(_7,_8){
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this._cometd._polling=true;
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var _9={url:(_8||this._cometd.url),postData:dojo.toJson(_7),contentType:"text/json;charset=UTF-8",handleAs:this._cometd.handleAs,load:dojo.hitch(this,function(_a){
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this._cometd._polling=false;
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this._cometd.deliver(_a);
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this._cometd._backon();
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this.tunnelCollapse();
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}),error:dojo.hitch(this,function(_b){
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this._cometd._polling=false;
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var _c={failure:true,error:_b,advice:this._cometd._advice};
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this._cometd._publishMeta("connect",false,_c);
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this._cometd._backoff();
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this.tunnelCollapse();
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})};
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var _d=this._cometd._connectTimeout();
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if(_d>0){
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_9.timeout=_d;
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}
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this._poll=dojo.rawXhrPost(_9);
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};
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this.sendMessages=function(_e){
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for(var i=0;i<_e.length;i++){
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_e[i].clientId=this._cometd.clientId;
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_e[i].id=""+this._cometd.messageId++;
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_e[i]=this._cometd._extendOut(_e[i]);
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}
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return dojo.rawXhrPost({url:this._cometd.url||dojo.config["cometdRoot"],handleAs:this._cometd.handleAs,load:dojo.hitch(this._cometd,"deliver"),postData:dojo.toJson(_e),contentType:"text/json;charset=UTF-8",error:dojo.hitch(this,function(_f){
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this._cometd._publishMeta("publish",false,{messages:_e});
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}),timeout:this._cometd.expectedNetworkDelay});
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};
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this.startup=function(_10){
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if(this._cometd._status=="connected"){
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return;
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}
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this.tunnelInit();
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};
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this.disconnect=function(){
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var _11={channel:"/meta/disconnect",clientId:this._cometd.clientId,id:""+this._cometd.messageId++};
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_11=this._cometd._extendOut(_11);
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dojo.rawXhrPost({url:this._cometd.url||dojo.config["cometdRoot"],handleAs:this._cometd.handleAs,postData:dojo.toJson([_11]),contentType:"text/json;charset=UTF-8"});
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};
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this.cancelConnect=function(){
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if(this._poll){
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this._poll.cancel();
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this._cometd._polling=false;
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this._cometd._publishMeta("connect",false,{cancel:true});
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this._cometd._backoff();
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this.disconnect();
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this.tunnelCollapse();
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}
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};
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};
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dojox.cometd.longPollTransport=dojox.cometd.longPollTransportJsonEncoded;
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dojox.cometd.connectionTypes.register("long-polling",dojox.cometd.longPollTransport.check,dojox.cometd.longPollTransportJsonEncoded);
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dojox.cometd.connectionTypes.register("long-polling-json-encoded",dojox.cometd.longPollTransport.check,dojox.cometd.longPollTransportJsonEncoded);
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}