lib/dojo/request/handlers.js.uncompressed.js

   1 define("dojo/request/handlers", [
   2         '../json',
   3         '../_base/kernel',
   4         '../_base/array',
   5         '../has'
   6 ], function(JSON, kernel, array, has){
   7         has.add('activex', typeof ActiveXObject !== 'undefined');
   8
   9         var handleXML;
  10         if(has('activex')){
  11                 // GUIDs obtained from http://msdn.microsoft.com/en-us/library/ms757837(VS.85).aspx
  12                 var dp = [
  13                         'Msxml2.DOMDocument.6.0',
  14                         'Msxml2.DOMDocument.4.0',
  15                         'MSXML2.DOMDocument.3.0',
  16                         'MSXML.DOMDocument' // 2.0
  17                 ];
  18
  19                 handleXML = function(response){
  20                         var result = response.data;
  21
  22                         if(!result || !result.documentElement){
  23                                 var text = response.text;
  24                                 array.some(dp, function(p){
  25                                         try{
  26                                                 var dom = new ActiveXObject(p);
  27                                                 dom.async = false;
  28                                                 dom.loadXML(text);
  29                                                 result = dom;
  30                                         }catch(e){ return false; }
  31                                         return true;
  32                                 });
  33                         }
  34
  35                         return result;
  36                 };
  37         }
  38
  39         var handlers = {
  40                 'javascript': function(response){
  41                         return kernel.eval(response.text || '');
  42                 },
  43                 'json': function(response){
  44                         return JSON.parse(response.text || null);
  45                 },
  46                 'xml': handleXML
  47         };
  48
  49         function handle(response){
  50                 var handler = handlers[response.options.handleAs];
  51
  52                 response.data = handler ? handler(response) : (response.data || response.text);
  53
  54                 return response;
  55         }
  56
  57         handle.register = function(name, handler){
  58                 handlers[name] = handler;
  59         };
  60
  61         return handle;
  62 });