function HttpService(){}
HttpService.prototype = {
		_send : function(cfg){
			return new Promise(function(resolve,reject){
				cfg["headers"] = {
			      'Authorization': 'QEusiOidV6pScOHsfaOMZHr0Kv5cFUXKS1IYGmwQw03Rv8u4OcC0vw4xOSv8oZXj'
			    }
				$.ajax(cfg)
				.always(function(data, textStatus, jqXHR){
					if (jqXHR['status'] == 200 && jqXHR['readyState'] == 4) {
						resolve(data);
					} else {
						reject(textStatus);
					}
				});
			})
		},
		get : function(url,dataType){
			return this._send({
				dataType: dataType || 'json',  
				url: url,  
				type: 'GET',  
			});
		},
		delete : function(url){
			return this._send({
				dataType: 'json',  
				url: url,  
				type: 'DELETE',  
			});
		},
		post : function(url,dados){
			return this._send({
				dataType: 'json',  
				contentType: 'application/json',  
				url: url,  
				type: 'POST', 
				data:JSON.stringify(dados),
			});
		},
		put : function(url,dados){
			return this._send({
				dataType: 'json',  
				url: url,  
				type: 'PUT', 
				data:JSON.stringify(dados),
			});
		},
		custom : function(params){
			return this._send(params);
		}
}