// Display data
public void Display(string jsonData, HttpResponseHeaders headers, DataGridView dataGridView, Label label)
{
DataTable dataTable = new DataTable();
dataTable.Columns.Add();
dataTable.Columns.Add();
// Parsing the Json data and adding data to the DataTable two columns at a time.
JToken json = JToken.Parse(jsonData);
IEnumerable <KeyValuePair <string, JValue> > fields = new JsonFieldsCollector(json).GetAllFields();
if (fields.Count() > 0)
{
foreach (var field in fields)
{
dataTable.Rows.Add(field.Key, field.Value);
}
}
else
{
dataTable.Rows.Add("No data");
}
// Complete the number of rows in DataGridView
dataGridView.RowCount = dataTable.Rows.Count;
// Index of first visible row.
// If there is no data, the return value will be -1.
int firstVisibleIndex = dataGridView.FirstDisplayedScrollingRowIndex;
if (firstVisibleIndex >= 0)
{
// Calculate the index of last visible row.
int maxIndex = (dataGridView.Height / dataGridView.Rows[0].Height + firstVisibleIndex) - 1;
maxIndex = (maxIndex > dataGridView.RowCount) ? dataGridView.RowCount : maxIndex;
// Update values only in the visible range of DataGridView.
for (int i = firstVisibleIndex; i < maxIndex; i++)
{
dataGridView[0, i].Value = dataTable.Rows[i].ItemArray[0];
dataGridView[1, i].Value = dataTable.Rows[i].ItemArray[1];
}
}
// Output Timestamp from Http headers.
if (headers != null)
{
var headerTimeStamp =
headers.FirstOrDefault(pair => string.Compare(pair.Key, "Engine-Timestamp") == 0).Value;
if (headerTimeStamp != null)
{
var timeStamp = double.Parse(headerTimeStamp.ElementAt(0) /*,System.Globalization.NumberStyles.Float*/);
var span = TimeSpan.FromSeconds(timeStamp);
label.Text = $"TS: {timeStamp.ToString("F3")} ({span.ToString(@"h\:mm\:ss")})";
}
}
}
public static long ParseLong(this HttpResponseHeaders header, string key, long defaultValue = 0)
{
var hit = header.FirstOrDefault(h => h.Key == key);
if (hit.Value != null && hit.Value.Count() > 0)
{
return(long.Parse(hit.Value.First()));
}
return(defaultValue);
}
/// <summary>
/// 从http headers中查询cookie
/// </summary>
/// <param name="headers"></param>
/// <param name="key"></param>
/// <returns></returns>
public static string GetCookie(this HttpResponseHeaders headers, string key)
{
if (string.IsNullOrWhiteSpace(key))
{
return(null);
}
return(headers.FirstOrDefault(x => x.Key == "Set-Cookie").Value?
.FirstOrDefault(x => x.StartsWith(key))?
.Split(";")
.FirstOrDefault());
}
public static IEnumerable <string> HeaderValue(this HttpResponseHeaders headers, string name)
{
if (headers == null ||
string.IsNullOrEmpty(name))
{
return(null);
}
var match = headers.FirstOrDefault(z => string.Equals(z.Key, name, StringComparison.InvariantCultureIgnoreCase));
return(match.Value ?? new List <string>());
}
public static CacheCowHeader GetCacheCowHeader(this HttpResponseHeaders headers)
{
CacheCowHeader header = null;
if (headers == null)
{
return(null);
}
var cacheCowHeader = headers.FirstOrDefault(x => x.Key == CacheCowHeader.Name);
if (cacheCowHeader.Value != null && cacheCowHeader.Value.Count() > 0)
{
var last = cacheCowHeader.Value.Last();
CacheCowHeader.TryParse(last, out header);
}
return(header);
}
public static string GetFirstValueOrNull(this HttpResponseHeaders headers, string key)
{
var header = headers.FirstOrDefault(x => x.Key == key);
return(header.Key == null ? null : header.Value.FirstOrDefault());
}
public string GetHeaderResponse(string key)
{
var header = _responseHeader.FirstOrDefault(f => f.Key == key);
return(header.Value.First());
}
