define([
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'exports',
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'../errors/RequestError',
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'../errors/CancelError',
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'../Deferred',
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'../io-query',
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'../_base/array',
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'../_base/lang',
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'../promise/Promise'
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], function(exports, RequestError, CancelError, Deferred, ioQuery, array, lang, Promise){
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exports.deepCopy = function deepCopy(target, source){
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for(var name in source){
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var tval = target[name],
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sval = source[name];
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if(tval !== sval){
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if(tval && typeof tval === 'object' && sval && typeof sval === 'object'){
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exports.deepCopy(tval, sval);
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}else{
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target[name] = sval;
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}
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}
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}
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return target;
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};
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exports.deepCreate = function deepCreate(source, properties){
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properties = properties || {};
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var target = lang.delegate(source),
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name, value;
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for(name in source){
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value = source[name];
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if(value && typeof value === 'object'){
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target[name] = exports.deepCreate(value, properties[name]);
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}
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}
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return exports.deepCopy(target, properties);
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};
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var freeze = Object.freeze || function(obj){ return obj; };
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function okHandler(response){
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return freeze(response);
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}
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function dataHandler (response) {
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return response.data || response.text;
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}
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exports.deferred = function deferred(response, cancel, isValid, isReady, handleResponse, last){
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var def = new Deferred(function(reason){
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cancel && cancel(def, response);
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if(!reason || !(reason instanceof RequestError) && !(reason instanceof CancelError)){
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return new CancelError('Request canceled', response);
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}
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return reason;
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});
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def.response = response;
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def.isValid = isValid;
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def.isReady = isReady;
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def.handleResponse = handleResponse;
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function errHandler(error){
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error.response = response;
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throw error;
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}
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var responsePromise = def.then(okHandler).otherwise(errHandler);
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if(exports.notify){
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responsePromise.then(
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lang.hitch(exports.notify, 'emit', 'load'),
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lang.hitch(exports.notify, 'emit', 'error')
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);
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}
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var dataPromise = responsePromise.then(dataHandler);
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// http://bugs.dojotoolkit.org/ticket/16794
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// The following works around a leak in IE9 through the
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// prototype using lang.delegate on dataPromise and
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// assigning the result a property with a reference to
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// responsePromise.
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var promise = new Promise();
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for (var prop in dataPromise) {
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if (dataPromise.hasOwnProperty(prop)) {
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promise[prop] = dataPromise[prop];
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}
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}
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promise.response = responsePromise;
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freeze(promise);
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// End leak fix
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|
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if(last){
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def.then(function(response){
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last.call(def, response);
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}, function(error){
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last.call(def, response, error);
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});
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}
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def.promise = promise;
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def.then = promise.then;
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return def;
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};
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exports.addCommonMethods = function addCommonMethods(provider, methods){
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array.forEach(methods||['GET', 'POST', 'PUT', 'DELETE'], function(method){
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provider[(method === 'DELETE' ? 'DEL' : method).toLowerCase()] = function(url, options){
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options = lang.delegate(options||{});
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options.method = method;
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return provider(url, options);
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};
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});
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};
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exports.parseArgs = function parseArgs(url, options, skipData){
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var data = options.data,
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query = options.query;
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if(data && !skipData){
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if(typeof data === 'object'){
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options.data = ioQuery.objectToQuery(data);
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}
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}
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if(query){
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if(typeof query === 'object'){
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query = ioQuery.objectToQuery(query);
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}
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if(options.preventCache){
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query += (query ? '&' : '') + 'request.preventCache=' + (+(new Date));
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}
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}else if(options.preventCache){
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query = 'request.preventCache=' + (+(new Date));
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}
|
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if(url && query){
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url += (~url.indexOf('?') ? '&' : '?') + query;
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}
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return {
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url: url,
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options: options,
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getHeader: function(headerName){ return null; }
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};
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};
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exports.checkStatus = function(stat){
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stat = stat || 0;
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return (stat >= 200 && stat < 300) || // allow any 2XX response code
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stat === 304 || // or, get it out of the cache
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stat === 1223 || // or, Internet Explorer mangled the status code
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!stat; // or, we're Titanium/browser chrome/chrome extension requesting a local file
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};
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});
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