// <?xml version="1.0" encoding="UTF-8"?>
public override bool Identify(int xpoint, int ypoint, double centerY, double centerX, GISEnvelope envelope, GISLayerInfo featureLayer)
{
int maxFeaturesReturned = 20;
string requestUrl = String.Format(QUERY_URL, Server.Host, Server.ServletPath, Server.ActiveService.Id, false, Server.Version);
GISEnvelope mapEnvelope = BuildEnvelope(centerX, centerY, SelectEnvelope(Server.ActiveService), 99);
string requestXml = BuildQuery(featureLayer, maxFeaturesReturned, mapEnvelope);
EsriFeatureResponse response = new EsriFeatureResponse();
response._envelope = mapEnvelope;
response._layers = new List<GISLayerInfo>() { featureLayer };
response.HasError = false;
response.LastRequest = requestXml;
webClient.PostRequest(requestUrl, Server.UseForm ? ApplyFormEncoding(requestXml) : requestXml, ProcessServiceReturn, response);
return true;
}
public override IGISLegend GetLegend(GISLayerInfo selectedLayer)
{
try
{
System.Net.Http.HttpClient httpClient = new System.Net.Http.HttpClient();
httpClient.DefaultRequestHeaders.UserAgent.ParseAdd("Mozilla/5.0");
System.Threading.Tasks.Task<System.Net.Http.HttpResponseMessage> response = httpClient.GetAsync(string.Empty);
System.Threading.Tasks.Task<string> responseBody = response.Result.Content.ReadAsStringAsync();
MemoryStream stream1 = new MemoryStream();
StreamWriter sw = new StreamWriter(stream1);
sw.Write(responseBody);
System.Runtime.Serialization.Json.DataContractJsonSerializer ser = new System.Runtime.Serialization.Json.DataContractJsonSerializer(typeof(EsriLegend));
StreamReader sr = new StreamReader(stream1);
EsriLegend p2 = (EsriLegend)ser.ReadObject(stream1);
return p2;
}
catch (System.Net.WebException e)
{
throw e;
}
catch (Exception ex)
{
throw ex;
}
}
public override void ExecuteSearch(string searchTerm, SEARCH_TYPE searchType, GISEnvelope searchArea, GISLayerInfo featureLayer)
{
int maxFeaturesReturned = 20;
string requestUrl = String.Format(QUERY_URL, Server.Host, Server.ServletPath, Server.ActiveService.Id, false, Server.Version);
string requestXml = BuildQuery(featureLayer, maxFeaturesReturned, searchArea);
EsriFeatureResponse response = new EsriFeatureResponse() { SearchTerm = searchTerm };
response._envelope = searchArea;
response._layers = new List<GISLayerInfo>() { featureLayer };
response.HasError = false;
response.LastRequest = requestXml;
webClient.PostRequest(requestUrl, Server.UseForm ? ApplyFormEncoding(requestXml) : requestXml, ProcessSearchReturn, response);
}
private string BuildQuery(GISLayerInfo queryLayer, int maxFeaturesReturned, GISEnvelope spatialQuery)
{
StringBuilder queryString = new StringBuilder();
StringWriter messageString = new StringWriter(queryString);
XmlWriter queryWriter = XmlWriter.Create(messageString);
queryWriter.WriteStartElement("ARCXML");
queryWriter.WriteAttributeString("", "VERSION", "", "1.1");
queryWriter.WriteStartElement("REQUEST");
queryWriter.WriteStartElement("GET_FEATURES");
queryWriter.WriteAttributeString("", "outputmode", "", "xml");
queryWriter.WriteAttributeString("", "geometry", "", "false");
queryWriter.WriteAttributeString("", "envelope", "", "true");
queryWriter.WriteAttributeString("", "beginrecord", "", "0");
queryWriter.WriteAttributeString("", "checkesc", "", "true");
queryWriter.WriteAttributeString("", "compact", "", "true");
queryWriter.WriteStartElement("LAYER");
queryWriter.WriteAttributeString("", "id", "", queryLayer.Id);
queryWriter.WriteAttributeString("", "name", "", queryLayer.Name);
queryWriter.WriteEndElement();
queryWriter.WriteStartElement("SPATIALQUERY");
queryWriter.WriteAttributeString("", "subfields", "", "#ALL#");
queryWriter.WriteStartElement("SPATIALFILTER");
queryWriter.WriteAttributeString("", "relation", "", "area_intersection");
EsriEnvelope.AsXml(queryWriter, spatialQuery);
queryWriter.WriteEndElement(); // SPATIALFILTER
queryWriter.WriteEndElement(); // SPATIALQUERY
//queryWriter.WriteEndElement(); // PROPERTIES
queryWriter.WriteEndElement(); // GET_FEATURES
queryWriter.WriteEndElement(); // REQUEST
queryWriter.WriteEndElement(); // ARCXML
queryWriter.Flush();
return queryString.ToString();
}
public override IGISLegend GetLegend(GISLayerInfo selectedLayer)
{
string legendUrl = GetUrl(OGC_OPERATION.GetLegendGraphic, OGC_SERVICE_TYPE.WMS, Server.ActiveService as OGCService, new List<OGCLayer>(){selectedLayer as OGCLayer}, new OGCEnvelope(), _imageWidth, _imageHeight);
return new GISLegend() { LegendUrl = legendUrl };
}
public override bool Identify(int xpoint, int ypoint, double latitude, double longitude, GISEnvelope envelope, GISLayerInfo featureLayer)
{
// http://maps.google.com/maps/api/geocode/xml?latlng=40.714224,-73.961452&sensor=true
try
{
if (featureLayer == null) return false;
envelope = new OGCEnvelope(envelope);
//string layerString = featureLayer.Id;
string requestUrl = GetUrl(OGC_OPERATION.GetFeatureInfo, OGC_SERVICE_TYPE.WMS, Server.ActiveService as OGCService, new List<OGCLayer>() { featureLayer as OGCLayer }, envelope as OGCEnvelope, _imageWidth, _imageHeight, xpoint, ypoint);
GISFeatureResponse response = new GISFeatureResponse();
response._envelope = BuildEnvelope(longitude, latitude, envelope, Server.MaxZoom * .9);
response._layers = new List<GISLayerInfo>() { featureLayer };
response.HasError = false;
response.LastRequest = requestUrl;
webClient.GetRequest(requestUrl, ProcessQueryResponse, response);
return true;
}
catch (Exception ex)
{
return false;
}
}
public override void ExecuteSearch(string searchTerm, SEARCH_TYPE searchType, GISEnvelope searchArea, GISLayerInfo featureLayer)
{
if (searchType == SEARCH_TYPE.Geocode)
{
// http://{0}/{1}?SERVICE={2}&VERSION={3}&REQUEST=GetFeatureInfo&LAYERS={4}&QUERY_LAYERS={4}&STYLES=&BBOX={5}&FEATURE_COUNT=10&HEIGHT={6}&WIDTH={7}&FORMAT=image%2Fpng&INFO_FORMAT=text%2Fxml&SRS={8}&X={9}&Y={10}
OGCEnvelope envelope = new OGCEnvelope(searchArea);
string requestUrl = string.Format(FEATURE_INFO_URL, Server.Host, Server.ServletPath, OGC_SERVICE_TYPE.WMS, Server.Version, (featureLayer as OGCLayer).Id, (envelope as OGCEnvelope).ToBBoxString(), _imageHeight, _imageWidth, searchArea.CoordinateSystem, _imageWidth / 2, _imageHeight / 2);
GISFeatureResponse response = new GISFeatureResponse();
response._envelope = searchArea;
response._layers = new List<GISLayerInfo>() { featureLayer };
response.HasError = false;
response.LastRequest = requestUrl;
webClient.GetRequest(requestUrl, ProcessQueryResponse, response);
}
else
{
List<GISLayerInfo> layers = new List<GISLayerInfo>();
GetQueryLayers(Server.ActiveService, ref layers);
string queryLayers = string.Empty;
foreach (GISLayerInfo layer in layers)
{
queryLayers += layer.Id;
}
string requestUrl = GetUrl(OGC_OPERATION.GetFeatureInfo, OGC_SERVICE_TYPE.WMS, Server.ActiveService as OGCService, queryLayers.Cast<OGCLayer>(), new OGCEnvelope(searchArea), _imageWidth, _imageHeight);
//http://<hostname>/<deploy_name>/com.esri.wms.Esrimap?SERVICE=WMS&VERSION=1.1.1&REQUEST=GetFeatureInfo&SRS=EPSG:4326&BBOX=-117,38,-90,49&WIDTH=600&HEIGHT=400&QUERY_LAYERS=States&X=200&Y=150&
GISFeatureResponse response = new GISFeatureResponse() { SearchTerm = searchTerm };
response._envelope = new GISEnvelope();
response._layers = new List<GISLayerInfo>() { new OGCLayer("Search", "Search") };
response.HasError = false;
response.LastRequest = requestUrl;
webClient.GetRequest(requestUrl, ProcessSearchResponse, response);
}
}
public override IGISLegend GetLegend(GISLayerInfo selectedLayer)
{
EsriLegend response = new EsriLegend();
try
{
string legendUrl = String.Format(LEGEND_URL, Server.Host, Server.ServletPath, Server.ActiveService.Id, Server.ActiveService.ServiceType);
Task<WebResponseResult> resp = webClient.GetRequestAsync(legendUrl);
System.Runtime.Serialization.Json.DataContractJsonSerializer ser = new System.Runtime.Serialization.Json.DataContractJsonSerializer(typeof(EsriLegend));
MemoryStream mem = new MemoryStream(Encoding.UTF8.GetBytes(resp.Result.output));
response = (EsriLegend)ser.ReadObject(mem);
}
catch (System.Exception ex)
{
//throw ex;
}
return response;
}
public override bool Identify(int xpoint, int ypoint, double latitude, double longitude, GISEnvelope envelope, GISLayerInfo featureLayer)
{
try
{
// http://{0}/ArcGIS/rest/services/{1}/{2}/identify?geometryType=esriGeometryPoint&geometry={{x:{3}, y:{4} }}&wkid={5}&layers=all:{6}&tolerance=10&mapExtent={7}&imageDisplay={8},{9},96&returnGeometry=true
string layerid = featureLayer.Id;
string requestUrl = string.Format(IDENTIFY_URL, _Server.Host, _Server.ActiveService.Id, _Server.ActiveService.ServiceType, longitude, latitude, envelope.CoordinateSystem, layerid, envelope.ToString(), _imageHeight, _imageWidth, Server.ServletPath);
GISFeatureResponse response = new GISFeatureResponse();
response._envelope = BuildEnvelope(longitude, latitude, SelectEnvelope(Server.ActiveService), MaxZoom - 2);
response._layers = new List<GISLayerInfo>() { featureLayer };
response.HasError = false;
response.LastRequest = requestUrl;
webClient.GetRequest(requestUrl, ProcessIdentifyResponse, response);
return true;
}
catch (Exception ex)
{
Server.RaiseErrorResponse(new GISResponse() { _envelope = null, _layers = new List<GISLayerInfo>() { new EsriLayerInfo() { _name = "Search", _type = "Search" } }, ErrorMessage = ex.Message });
return false;
}
}
private JSONObject BuildQuery(GISLayerInfo queryLayer, int maxFeaturesReturned, GISEnvelope queryEnvelope)
{
return new JSONObject();
}
public override void ExecuteSearch(string searchTerm, SEARCH_TYPE searchType, GISEnvelope searchArea, GISLayerInfo featureLayer)
{
string activeServiceName = Server.ActiveService.Name.IndexOf("__") > 0 ? Server.ActiveService.Name.Substring(0, Server.ActiveService.Name.IndexOf("__")) : Server.ActiveService.Name;
EsriEnvelope queryEnvelope = new EsriEnvelope(searchArea);
string requestUrl = string.Empty;
if (searchType == SEARCH_TYPE.Geocode)
{
//http://planthardiness.ars.usda.gov/ArcGIS/rest/services/uspz/MapServer/identify?geometryType=esriGeometryPoint&geometry=-120%2C40&tolerance=10&mapExtent=-119%2C38%2C-121%2C41&imageDisplay=400%2C300%2C96
//http://services.arcgisonline.com/ArcGIS/rest/services/Specialty/Soil_Survey_Map/MapServer/identify?geometryType=esriGeometryPoint&geometry=19.23865%2C48.23152&sr=102100&layers=0&time=&layerTimeOptions=&layerdefs=&tolerance=100&mapExtent=19.23865%2C48.23152%2C19.23865%2C48.23152&imageDisplay=600%2C550%2C96&returnGeometry=true&maxAllowableOffset=&f=json
requestUrl = String.Format(GEOCODE_URL, Server.Host, Server.ServletPath, activeServiceName, searchArea.CenterX, searchArea.CenterY);
}
else if (searchType == SEARCH_TYPE.Identify)
{
//http://planthardiness.ars.usda.gov/ArcGIS/rest/services/uspz/MapServer/identify?geometryType=esriGeometryPoint&geometry=-120%2C40&tolerance=10&mapExtent=-119%2C38%2C-121%2C41&imageDisplay=400%2C300%2C96
//http://services.arcgisonline.com/ArcGIS/rest/services/Specialty/Soil_Survey_Map/MapServer/identify?geometryType=esriGeometryPoint&geometry=19.23865%2C48.23152&sr=102100&layers=0&time=&layerTimeOptions=&layerdefs=&tolerance=100&mapExtent=19.23865%2C48.23152%2C19.23865%2C48.23152&imageDisplay=600%2C550%2C96&returnGeometry=true&maxAllowableOffset=&f=json
requestUrl = String.Format(GEOCODE_URL, Server.Host, Server.ServletPath, activeServiceName, searchArea.CenterX, searchArea.CenterY);
}
else
{
requestUrl = String.Format(QUERY_URL, Server.Host, activeServiceName, Server.ActiveService.ServiceType, Server.ActiveService.BaseLayers[0].Id, queryEnvelope.ToJSON(), Server.ServletPath);
}
EsriFeatureResponse response = new EsriFeatureResponse();
response._envelope = searchArea;
response._layers = new List<GISLayerInfo>() { featureLayer };
response.HasError = false;
response.LastRequest = requestUrl;
try
{
webClient.GetRequest(requestUrl, new EventHandler<WebEventArgs>(ProcessQueryReturn), response);
//wc.DownloadStringAsync(new Uri(requestUrl), new AsyncState() { Response = response, CurrentState = Server.ActiveService });
}
catch (Exception ex)
{
Server.RaiseSearchResponse(new GISResponse() { HasError = true, ErrorMessage = string.Format("{0}: {1}", ex.Message), LastRequest = requestUrl, LastResponse = string.Empty, _layers = new List<GISLayerInfo>() { Server.ActiveService.BaseLayers[0] }, _envelope = queryEnvelope });
}
}