/// <summary>
/// Execute the given query and return the result
/// </summary>
/// <param name="query"></param>
/// <returns></returns>
public async Task <string> ExecWithEsriClientAsync(OnlineQuery query, ObservableCollection <OnlineResultItem> results, int maxResults = 0)
{
if (maxResults == 0)
{
maxResults = OnlineQuery.DefaultMaxResults;
}
if (MaxResponseLength == 0)
{
MaxResponseLength = OnlineQuery.DefaultMaxResponseLength;
}
_response = new StringBuilder();
_errorResponse = "";
//slap in the initial request
_response.AppendLine(query.FinalUrl);
_response.AppendLine("");
try {
Tuple <long, long> stats = new Tuple <long, long>(-1, -1);
do
{
query.Start = stats.Item2;
Debug.WriteLine("");
Debug.WriteLine(query.FinalUrl);
Debug.WriteLine("");
EsriHttpClient httpClient = new EsriHttpClient();
//submit the query
EsriHttpResponseMessage response = await httpClient.GetAsync(new Uri(query.FinalUrl).ToString());
HttpResponseHeaders headers = response.Headers;
//read out the json
string raw = await response.Content.ReadAsStringAsync();
//convert entity-replacement tags
raw = raw.Replace("<", "<").Replace(">", ">");
if (_response.Length < MaxResponseLength)
{
_response.AppendLine("");
_response.AppendLine(raw);
if (_response.Length > MaxResponseLength)
{
_response.AppendLine("...");
}
}
Debug.WriteLine("");
Debug.WriteLine(raw);
Debug.WriteLine("");
//deserialize
stats = await ProcessResultsAsync(results, raw, query);
} while (stats.Item2 < maxResults && stats.Item2 > 0);
}
catch (WebException we) {
//bad request
_response.AppendLine("");
_response.AppendLine("WebException: " + we.Message);
_response.AppendLine(query.FinalUrl);
_response.AppendLine("");
_response.AppendLine(new Uri(query.FinalUrl).Scheme.ToUpper() + " " +
((int)we.Status).ToString());
try {
_errorResponse = new StreamReader(we.Response.GetResponseStream()).ReadToEnd();
_response.AppendLine(_errorResponse);
}
catch {
}
}
return(_response.ToString());
}
/// <summary>
/// Execute the given query and return the result
/// </summary>
/// <param name="query"></param>
/// <returns></returns>
public async Task<string> ExecWithEsriClientAsync(OnlineQuery query, ObservableCollection<OnlineResultItem> results, int maxResults = 0) {
if (maxResults == 0)
maxResults = OnlineQuery.DefaultMaxResults;
if (MaxResponseLength == 0)
MaxResponseLength = OnlineQuery.DefaultMaxResponseLength;
_response = new StringBuilder();
_errorResponse = "";
//slap in the initial request
_response.AppendLine(query.FinalUrl);
_response.AppendLine("");
try {
Tuple<long, long> stats = new Tuple<long, long>(-1, -1);
do {
query.Start = stats.Item2;
Debug.WriteLine("");
Debug.WriteLine(query.FinalUrl);
Debug.WriteLine("");
EsriHttpClient httpClient = new EsriHttpClient();
//submit the query
EsriHttpResponseMessage response = await httpClient.GetAsync(new Uri(query.FinalUrl).ToString());
HttpResponseHeaders headers = response.Headers;
//read out the json
string raw = await response.Content.ReadAsStringAsync();
//convert entity-replacement tags
raw = raw.Replace("<", "<").Replace(">", ">");
if (_response.Length < MaxResponseLength) {
_response.AppendLine("");
_response.AppendLine(raw);
if (_response.Length > MaxResponseLength)
_response.AppendLine("...");
}
Debug.WriteLine("");
Debug.WriteLine(raw);
Debug.WriteLine("");
//deserialize
stats = await ProcessResultsAsync(results, raw, query);
} while (stats.Item2 < maxResults && stats.Item2 > 0);
}
catch (WebException we) {
//bad request
_response.AppendLine("");
_response.AppendLine("WebException: " + we.Message);
_response.AppendLine(query.FinalUrl);
_response.AppendLine("");
_response.AppendLine(new Uri(query.FinalUrl).Scheme.ToUpper() + " " +
((int)we.Status).ToString());
try {
_errorResponse = new StreamReader(we.Response.GetResponseStream()).ReadToEnd();
_response.AppendLine(_errorResponse);
}
catch {
}
}
return _response.ToString();
}
