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/*
Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
Available via Academic Free License >= 2.1 OR the modified BSD license.
see: http://dojotoolkit.org/license for details
*/
//>>built
define("dojo/_base/xhr",["./kernel","./sniff","require","../io-query","../dom","../dom-form","./Deferred","./json","./lang","./array","../on"],function(_1,_2,_3,_4,_5,_6,_7,_8,_9,_a,on){_2.add("native-xhr",function(){return typeof XMLHttpRequest!=="undefined";});if(1&&_3.getXhr){_1._xhrObj=_3.getXhr;}else{if(_2("native-xhr")){_1._xhrObj=function(){try{return new XMLHttpRequest();}catch(e){throw new Error("XMLHTTP not available: "+e);}};}else{for(var _b=["Msxml2.XMLHTTP","Microsoft.XMLHTTP","Msxml2.XMLHTTP.4.0"],_c,i=0;i<3;){try{_c=_b[i++];if(new ActiveXObject(_c)){break;}}catch(e){}}_1._xhrObj=function(){return new ActiveXObject(_c);};}}var _d=_1.config;_1.objectToQuery=_4.objectToQuery;_1.queryToObject=_4.queryToObject;_1.fieldToObject=_6.fieldToObject;_1.formToObject=_6.toObject;_1.formToQuery=_6.toQuery;_1.formToJson=_6.toJson;_1._blockAsync=false;var _e=_1._contentHandlers=_1.contentHandlers={"text":function(_f){return _f.responseText;},"json":function(xhr){return _8.fromJson(xhr.responseText||null);},"json-comment-filtered":function(xhr){if(!_1.config.useCommentedJson){console.warn("Consider using the standard mimetype:application/json."+" json-commenting can introduce security issues. To"+" decrease the chances of hijacking, use the standard the 'json' handler and"+" prefix your json with: {}&&\n"+"Use djConfig.useCommentedJson=true to turn off this message.");}var _10=xhr.responseText;var _11=_10.indexOf("/*");var _12=_10.lastIndexOf("*/");if(_11==-1||_12==-1){throw new Error("JSON was not comment filtered");}return _8.fromJson(_10.substring(_11+2,_12));},"javascript":function(xhr){return _1.eval(xhr.responseText);},"xml":function(xhr){var _13=xhr.responseXML;if(_2("ie")){if((!_13||!_13.documentElement)){var ms=function(n){return "MSXML"+n+".DOMDocument";};var dp=["Microsoft.XMLDOM",ms(6),ms(4),ms(3),ms(2)];_a.some(dp,function(p){try{var dom=new ActiveXObject(p);dom.async=false;dom.loadXML(xhr.responseText);_13=dom;}catch(e){return false;}return true;});}}return _13;},"json-comment-optional":function(xhr){if(xhr.responseText&&/^[^{\[]*\/\*/.test(xhr.responseText)){return _e["json-comment-filtered"](xhr);}else{return _e["json"](xhr);}}};_1._ioSetArgs=function(_14,_15,_16,_17){var _18={args:_14,url:_14.url};var _19=null;if(_14.form){var _1a=_5.byId(_14.form);var _1b=_1a.getAttributeNode("action");_18.url=_18.url||(_1b?_1b.value:null);_19=_6.toObject(_1a);}var _1c=[{}];if(_19){_1c.push(_19);}if(_14.content){_1c.push(_14.content);}if(_14.preventCache){_1c.push({"dojo.preventCache":new Date().valueOf()});}_18.query=_4.objectToQuery(_9.mixin.apply(null,_1c));_18.handleAs=_14.handleAs||"text";var d=new _7(_15);d.addCallbacks(_16,function(_1d){return _17(_1d,d);});var ld=_14.load;if(ld&&_9.isFunction(ld)){d.addCallback(function(_1e){return ld.call(_14,_1e,_18);});}var err=_14.error;if(err&&_9.isFunction(err)){d.addErrback(function(_1f){return err.call(_14,_1f,_18);});}var _20=_14.handle;if(_20&&_9.isFunction(_20)){d.addBoth(function(_21){return _20.call(_14,_21,_18);});}if(_d.ioPublish&&_1.publish&&_18.args.ioPublish!==false){d.addCallbacks(function(res){_1.publish("/dojo/io/load",[d,res]);return res;},function(res){_1.publish("/dojo/io/error",[d,res]);return res;});d.addBoth(function(res){_1.publish("/dojo/io/done",[d,res]);return res;});}d.ioArgs=_18;return d;};var _22=function(dfd){dfd.canceled=true;var xhr=dfd.ioArgs.xhr;var _23=typeof xhr.abort;if(_23=="function"||_23=="object"||_23=="unknown"){xhr.abort();}var err=dfd.ioArgs.error;if(!err){err=new Error("xhr cancelled");err.dojoType="cancel";}return err;};var _24=function(dfd){var ret=_e[dfd.ioArgs.handleAs](dfd.ioArgs.xhr);return ret===undefined?null:ret;};var _25=function(_26,dfd){if(!dfd.ioArgs.args.failOk){console.error(_26);}return _26;};var _27=null;var _28=[];var _29=0;var _2a=function(dfd){if(_29<=0){_29=0;if(_d.ioPublish&&_1.publish&&(!dfd||dfd&&dfd.ioArgs.args.ioPublish!==false)){_1.publish("/dojo/io/stop");}}};var _2b=function(){var now=(new Date()).getTime();if(!_1._blockAsync){for(var i=0,tif;i<_28.length&&(tif=_28[i]);i++){var dfd=tif.dfd;var _2c=function(){if(!dfd||dfd.canceled||!tif.validCheck(dfd)){_28.splice(i--,1);_29-=1;}else{if(tif.ioCheck(dfd)){_28.splice(i--,1);tif.resHandle(dfd);_29-=1;}else{if(dfd.startTime){if(dfd.startTime+(dfd.ioArgs.args.timeout||0)<now){_28.splice(i--,1);var err=new Error("timeout exceeded");err.dojoType="timeout";dfd.errback(err);dfd.cancel();_29-=1;}}}}};if(_1.config.debugAtAllCosts){_2c.call(this);}else{try{_2c.call(this);}catch(e){dfd.errback(e);}}}}_2a(dfd);if(!_28.length){clearInterval(_27);_27=null;}};_1._ioCancelAll=function(){try{_a.forEach(_28,function(i){try{i.dfd.cancel();}catch(e){}});}catch(e){}};if(_2("ie")){on(window,"unload",_1._ioCancelAll);}_1._ioNotifyStart=function(dfd){if(_d.ioPublish&&_1.publish&&dfd.ioArgs.args.ioPublish!==false){if(!_29){_1.publish("/dojo/io/start");}_29+=1;_1.publish("/dojo/io/send",[dfd]);}};_1._ioWatch=function(dfd,_2d,_2e,_2f){var _30=dfd.ioArgs.args;if(_30.timeout){dfd.startTime=(new Date()).getTime();}_28.push({dfd:dfd,validCheck:_2d,ioCheck:_2e,resHandle:_2f});if(!_27){_27=setInterval(_2b,50);}if(_30.sync){_2b();}};var _31="application/x-www-form-urlencoded";var _32=function(dfd){return dfd.ioArgs.xhr.readyState;};var _33=function(dfd){return 4==dfd.ioArgs.xhr.readyState;};var _34=function(dfd){var xhr=dfd.ioArgs.xhr;if(_1._isDocumentOk(xhr)){dfd.callback(dfd);}else{var err=new Error("Unable to load "+dfd.ioArgs.url+" status:"+xhr.status);err.status=xhr.status;err.responseText=xhr.responseText;err.xhr=xhr;dfd.errback(err);}};_1._ioAddQueryToUrl=function(_35){if(_35.query.length){_35.url+=(_35.url.indexOf("?")==-1?"?":"&")+_35.query;_35.query=null;}};_1.xhr=function(_36,_37,_38){var dfd=_1._ioSetArgs(_37,_22,_24,_25);var _39=dfd.ioArgs;var xhr=_39.xhr=_1._xhrObj(_39.args);if(!xhr){dfd.cancel();return dfd;}if("postData" in _37){_39.query=_37.postData;}else{if("putData" in _37){_39.query=_37.putData;}else{if("rawBody" in _37){_39.query=_37.rawBody;}else{if((arguments.length>2&&!_38)||"POST|PUT".indexOf(_36.toUpperCase())==-1){_1._ioAddQueryToUrl(_39);}}}}xhr.open(_36,_39.url,_37.sync!==true,_37.user||undefined,_37.password||undefined);if(_37.headers){for(var hdr in _37.headers){if(hdr.toLowerCase()==="content-type"&&!_37.contentType){_37.contentType=_37.headers[hdr];}else{if(_37.headers[hdr]){xhr.setRequestHeader(hdr,_37.headers[hdr]);}}}}if(_37.contentType!==false){xhr.setRequestHeader("Content-Type",_37.contentType||_31);}if(!_37.headers||!("X-Requested-With" in _37.headers)){xhr.setRequestHeader("X-Requested-With","XMLHttpRequest");}_1._ioNotifyStart(dfd);if(_1.config.debugAtAllCosts){xhr.send(_39.query);}else{try{xhr.send(_39.query);}catch(e){_39.error=e;dfd.cancel();}}_1._ioWatch(dfd,_32,_33,_34);xhr=null;return dfd;};_1.xhrGet=function(_3a){return _1.xhr("GET",_3a);};_1.rawXhrPost=_1.xhrPost=function(_3b){return _1.xhr("POST",_3b,true);};_1.rawXhrPut=_1.xhrPut=function(_3c){return _1.xhr("PUT",_3c,true);};_1.xhrDelete=function(_3d){return _1.xhr("DELETE",_3d);};_1._isDocumentOk=function(_3e){var _3f=_3e.status||0;_3f=(_3f>=200&&_3f<300)||_3f==304||_3f==1223||!_3f;return _3f;};_1._getText=function(url){var _40;_1.xhrGet({url:url,sync:true,load:function(_41){_40=_41;}});return _40;};_9.mixin(_1.xhr,{_xhrObj:_1._xhrObj,fieldToObject:_6.fieldToObject,formToObject:_6.toObject,objectToQuery:_4.objectToQuery,formToQuery:_6.toQuery,formToJson:_6.toJson,queryToObject:_4.queryToObject,contentHandlers:_e,_ioSetArgs:_1._ioSetArgs,_ioCancelAll:_1._ioCancelAll,_ioNotifyStart:_1._ioNotifyStart,_ioWatch:_1._ioWatch,_ioAddQueryToUrl:_1._ioAddQueryToUrl,_isDocumentOk:_1._isDocumentOk,_getText:_1._getText,get:_1.xhrGet,post:_1.xhrPost,put:_1.xhrPut,del:_1.xhrDelete});return _1.xhr;});
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