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Diffstat (limited to 'src/service/xhr.js')
| -rw-r--r-- | src/service/xhr.js | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/service/xhr.js b/src/service/xhr.js new file mode 100644 index 00000000..2f003398 --- /dev/null +++ b/src/service/xhr.js @@ -0,0 +1,99 @@ +/** + * @workInProgress + * @ngdoc service + * @name angular.service.$xhr + * @function + * @requires $browser + * @requires $xhr.error + * @requires $log + * + * @description + * Generates an XHR request. The $xhr service adds error handling then delegates all requests to + * {@link angular.service.$browser $browser.xhr()}. + * + * @param {string} method HTTP method to use. Valid values are: `GET`, `POST`, `PUT`, `DELETE`, and + * `JSON`. `JSON` is a special case which causes a + * [JSONP](http://en.wikipedia.org/wiki/JSON#JSONP) cross domain request using script tag + * insertion. + * @param {string} url Relative or absolute URL specifying the destination of the request. For + * `JSON` requests, `url` should include `JSON_CALLBACK` string to be replaced with a name of an + * angular generated callback function. + * @param {(string|Object)=} post Request content as either a string or an object to be stringified + * as JSON before sent to the server. + * @param {function(number, (string|Object))} callback A function to be called when the response is + * received. The callback will be called with: + * + * - {number} code [HTTP status code](http://en.wikipedia.org/wiki/List_of_HTTP_status_codes) of + * the response. This will currently always be 200, since all non-200 responses are routed to + * {@link angular.service.$xhr.error} service. + * - {string|Object} response Response object as string or an Object if the response was in JSON + * format. + * + * @example + <doc:example> + <doc:source> + <script> + function FetchCntl($xhr) { + var self = this; + + this.fetch = function() { + self.clear(); + $xhr(self.method, self.url, function(code, response) { + self.code = code; + self.response = response; + }); + }; + + this.clear = function() { + self.code = null; + self.response = null; + }; + } + FetchCntl.$inject = ['$xhr']; + </script> + <div ng:controller="FetchCntl"> + <select name="method"> + <option>GET</option> + <option>JSON</option> + </select> + <input type="text" name="url" value="index.html" size="80"/><br/> + <button ng:click="fetch()">fetch</button> + <button ng:click="clear()">clear</button> + <a href="" ng:click="method='GET'; url='index.html'">sample</a> + <a href="" ng:click="method='JSON'; url='https://www.googleapis.com/buzz/v1/activities/googlebuzz/@self?alt=json&callback=JSON_CALLBACK'">buzz</a> + <pre>code={{code}}</pre> + <pre>response={{response}}</pre> + </div> + </doc:source> + </doc:example> + */ +angularServiceInject('$xhr', function($browser, $error, $log){ + var self = this; + return function(method, url, post, callback){ + if (isFunction(post)) { + callback = post; + post = _null; + } + if (post && isObject(post)) { + post = toJson(post); + } + $browser.xhr(method, url, post, function(code, response){ + try { + if (isString(response) && /^\s*[\[\{]/.exec(response) && /[\}\]]\s*$/.exec(response)) { + response = fromJson(response, true); + } + if (code == 200) { + callback(code, response); + } else { + $error( + {method: method, url:url, data:post, callback:callback}, + {status: code, body:response}); + } + } catch (e) { + $log.error(e); + } finally { + self.$eval(); + } + }); + }; +}, ['$browser', '$xhr.error', '$log']); |
