// starts at IMAGE begin element
public static EsriImageResponse ProcessImageReturn(XmlReader responseReader, string requestString, string responseString)
{
string localName = "start";
EsriImageResponse response = new EsriImageResponse();
response.LastRequest = requestString;
response.LastResponse = responseString;
try
{
while (responseReader.Read())
{
if (responseReader.NodeType == XmlNodeType.Element)
{
localName = responseReader.LocalName;
switch (responseReader.LocalName)
{
case "OUTPUT":
responseReader.MoveToAttribute("url");
response._mapImageUrl = responseReader.Value;
break;
case "LEGEND":
responseReader.MoveToAttribute("url");
response._legendUrl = responseReader.Value;
break;
case "ENVELOPE":
response._envelope = EsriEnvelope.ProcessEnvelopeNode(responseReader);
break;
case "LAYER":
EsriLayerInfo newLayer = EsriService.AddLayerInfo(responseReader, false);
try
{
response._layers.Add(newLayer);
}
catch
{
// exception for value in range
}
break;
case "LAYERDEF":
LayerDef newLayerDef = LayerDef.ProcessLayerNode(responseReader);
try
{
response._layerdefs.Add(newLayerDef);
}
catch
{
// exception for value in range
}
break;
}
}
}
}
catch (Exception ex)
{
response.LastResponse = localName;
response.ErrorMessage = ex.Message;
}
return response;
}
public override bool GetMap(GISService activeService, List<GISLayerInfo> mapLayers, GISEnvelope mapEnvelope, double zoomLevel, string requestXml)
{
string requestUrl = String.Format(SERVICE_URL, Server.Host, Server.ServletPath, activeService.Id, Server.UseForm, Server.Version);
XmlReader responseString = null;
EsriImageResponse response = new EsriImageResponse();
try
{
response.Envelope = mapEnvelope;
response._layers.AddRange(mapLayers);
response.LastRequest = requestXml;
response._mapImageUrl = requestUrl;
response.ZoomLevel = zoomLevel;
// http://websig.hidrografico.pt/servlet/com.esri.esrimap.Esrimap?ServiceName=ICENCUK&ClientVersion=4.0&Form=True&Encode=False
webClient.PostRequest(requestUrl, Server.UseForm ? ApplyFormEncoding(requestXml) : requestXml, ProcessImageReturn, response);
return true;
}
catch (Exception ex)
{
return false; // new GISResponse() { _envelope = mapEnvelope, _layers = mapLayers, ErrorMessage = ex.Message, HasError = true, LastRequest = requestXml, LastResponse = Return };
//return GISResponse.ProcessErrorResponse("The last map request failed: " + ex.Message, Request, Return);
}
finally
{
//if (responseString != null) responseString.Close();
}
}
public override bool GetMap(GISService activeService, List<GISLayerInfo> mapLayers, GISEnvelope mapEnvelope, double zoomLevel, string requestString)
{
EsriImageResponse response = new EsriImageResponse();
try
{
response.Envelope = mapEnvelope;
response._layers.AddRange(mapLayers);
response.LastRequest = requestString;
response._mapImageUrl = requestString;
response.ZoomLevel = zoomLevel;
webClient.GetRequest(requestString, ProcessImageReturn, response);
return true;
}
catch (System.Exception ex)
{
Server.RaiseErrorResponse(new GISResponse() { LastResponse = ex.Message, ErrorMessage = ex.Message, HasError = true, LastRequest = requestString, _envelope = response.Envelope, _layers = mapLayers });
return false;
}
}
