public async Task <Employee> Get(int id)
{
// Set the Accept header.
_httpClient.DefaultRequestHeaders.Clear();
_httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue(_dataFormat));
string url = @"http://localhost:{_dataWarehousePortNumber}/api/employees/{id}";
// Make a remote request.
HttpResponseMessage response = await _httpClient.GetAsync(url);
// Read response body and deserialize it.
string body = await response.Content.ReadAsStringAsync();
if (_dataFormat == "application/xml")
{
// Validate XML document.
ValidateXmlSchema(body);
// Deserialize XML document.
Employee employee = await UtilityXml.DeserializeXmlAsync <Employee>(body);
return(employee);
}
if (_dataFormat == "application/json")
{
Employee employee = await UtilityJson.DeserializeJsonAsync <Employee>(body);
return(employee);
}
return(null);
}
public async Task <List <Employee> > Get(int offset, int limit)
{
// Set the Accept header.
_httpClient.DefaultRequestHeaders.Clear();
_httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue(_dataFormat));
string url = @"http://localhost:" + _dataWarehousePortNumber + "/api/employees/?offset= " + offset + "&limit= " + limit;
// Make a remote request.
HttpResponseMessage response = await _httpClient.GetAsync(url);
// Read response body and deserialize it.
string body = await response.Content.ReadAsStringAsync();
if (_dataFormat == "application/xml")
{
// Validate XML document.
ValidateXmlSchema(body);
// Deserialize XML document.
Employee[] employees = await UtilityXml.DeserializeXmlAsync <Employee[]>(body);
return(employees.ToList());
}
if (_dataFormat == "application/json")
{
Employee[] employees = await UtilityJson.DeserializeJsonAsync <Employee[]>(body);
return(employees.ToList());
}
// Return empty list.
return(new List <Employee>());
}
private static void Main(string[] args)
{
Console.WriteLine("Server application...");
Thread.Sleep(1000);
Task t = Task.Run(async() =>
{
// === Read settings ===
// Emplyees file name.
string employeesFileName = args[0];
// Server port.
string serverPortSetting = args[1];
int serverPort = int.Parse(serverPortSetting);
// Data format.
string dataFormat = args[2];
// Read Employees data from the XML file.
string employeesDataText =
File.ReadAllText("D:\\DistributionCollections\\" + employeesFileName);
Employee[] employees =
await UtilityXml.DeserializeXmlAsync <Employee[]>(employeesDataText, rootElementName: "Employees");
// Add Employees to the repository.
employees.ToList().ForEach(e =>
{
EmployeeRepository.Instance.Add(e);
});
// PUT all employees data to the DataWarehouse.
foreach (Employee employee in employees)
{
await SendEmployee(employee, dataFormat, serverPort);
}
// Run the HTTP Transport Service.
var httpTransportService = new HttpTransportService(serverPort, dataFormat);
httpTransportService.Start();
Thread.Sleep(60000);
httpTransportService.Stop();
});
t.Wait();
Console.ReadLine();
}
private void UpdateEmployee(HttpListenerRequest request, HttpListenerResponse response)
{
// Deserialize Employee object.
string body = String.Empty;
using (StreamReader reader = new StreamReader(request.InputStream))
{
body = reader.ReadToEnd();
}
Employee employee = null;
try
{
if (_dataFormat == "application/xml")
{
employee = UtilityXml.DeserializeXml <Employee>(body);
}
else if (_dataFormat == "application/json")
{
employee = UtilityJson.DeserializeJson <Employee>(body);
}
}
catch (Exception ex)
{
Console.WriteLine(@"ERROR: Failed to deserialize the Employee object - {ex.Message}");
}
if (employee == null)
{
response.StatusCode = 400;
response.Close();
return;
}
// Perform the actual update.
_repository.Update(employee);
// Construct and send the response.
response.StatusCode = 200;
response.Close();
Console.WriteLine(@"POST: Updated employee with ID {employee.EmployeeId}");
}
