public byte[] HandleRESTRequest(string Capabilities, string resourceName, string operationName,
string operationInput, string outputFormat, string requestProperties, out string responseProperties)
{
try
{
responseProperties = null;
_serverLog.LogMessage(ServerLogger.msgType.infoStandard, _soiName + ".HandleRESTRequest()",
200, "Request received in Sample Object Interceptor for handleRESTRequest");
/*
* Add code to manipulate REST requests here
*/
// Find the correct delegate to forward the request too
IRESTRequestHandler restRequestHandler = _restSOIHelper.FindRequestHandlerDelegate <IRESTRequestHandler>();
if (restRequestHandler == null)
{
throw new RestErrorException("Service handler not found");
}
var response = restRequestHandler.HandleRESTRequest(
Capabilities, resourceName, operationName, operationInput,
outputFormat, requestProperties, out responseProperties);
/*
* Manipulate the response.
*
* Add watermark
*/
if (operationName.Equals("export", StringComparison.CurrentCultureIgnoreCase))
{
Image sourceImage = null;
if (outputFormat.Equals("image", StringComparison.CurrentCultureIgnoreCase))
{
sourceImage = Image.FromStream(new System.IO.MemoryStream(response));
var watermarker = new ApplyWatermark();
var watermarkedImage = watermarker.Mark(sourceImage, "(c) ESRI Inc.");
var newResponse = new System.IO.MemoryStream();
watermarkedImage.Save(newResponse, sourceImage.RawFormat);
return(newResponse.GetBuffer());
}
else if (outputFormat.Equals("json", StringComparison.CurrentCultureIgnoreCase))
{
var responseString = System.Text.Encoding.UTF8.GetString(response);
var jo = new JsonObject(responseString);
string hrefString = null;
if (!jo.TryGetString("href", out hrefString))
{
throw new RestErrorException("Export operation returned invalid response");
}
if (string.IsNullOrEmpty(hrefString))
{
throw new RestErrorException("Export operation returned invalid response");
}
// Generate output file location
var outputImageFileLocation = GetOutputImageFileLocation(hrefString);
// debug logging
//_serverLog.LogMessage(ServerLogger.msgType.error, "debug", 0, "output is " + outputImageFileLocation);
var watermarker = new ApplyWatermark();
Image watermarkedImage;
System.Drawing.Imaging.ImageFormat sourceImageFormat;
using (sourceImage = Image.FromFile(outputImageFileLocation))
{
sourceImageFormat = sourceImage.RawFormat;
watermarkedImage = watermarker.Mark(sourceImage, "(c) ESRI Inc.");
}
// make sure we dispose sourceImage handles before saving to it
watermarkedImage.Save(outputImageFileLocation, sourceImageFormat);
watermarkedImage.Dispose();
// return response as is because we have modified the file its pointing to
return(response);
}
else if (outputFormat.Equals("kmz", StringComparison.CurrentCultureIgnoreCase))
{
// Note: Watermark can be added for the kmz format too. In this example we didn't
// implement it.
throw new RestErrorException("Kmz format is not supported");
}
else
{
throw new RestErrorException("Invalid operation parameters");
}
}//if operationName==export
return(response);
}
catch (RestErrorException restException)
{
responseProperties = "{\"Content-Type\":\"text/plain;charset=utf-8\"}";
return(System.Text.Encoding.UTF8.GetBytes(restException.Message));
}
catch (Exception e)
{
_serverLog.LogMessage(ServerLogger.msgType.error, _soiName + ".HandleRESTRequest()", 500, "Exception " + e.GetType().Name + " " + e.Message + " " + e.StackTrace);
throw;
}
}
public byte[] HandleRESTRequest ( string Capabilities, string resourceName, string operationName,
string operationInput, string outputFormat, string requestProperties, out string responseProperties )
{
try
{
responseProperties = null;
_serverLog.LogMessage(ServerLogger.msgType.infoStandard, _soiName + ".HandleRESTRequest()",
200, "Request received in Sample Object Interceptor for handleRESTRequest");
/*
* Add code to manipulate REST requests here
*/
// Find the correct delegate to forward the request too
IRESTRequestHandler restRequestHandler = _restSOIHelper.FindRequestHandlerDelegate<IRESTRequestHandler>();
if (restRequestHandler == null)
{
throw new RestErrorException("Service handler not found");
}
var response = restRequestHandler.HandleRESTRequest(
Capabilities, resourceName, operationName, operationInput,
outputFormat, requestProperties, out responseProperties);
/*
* Manipulate the response.
*
* Add watermark
*/
if (operationName.Equals("export", StringComparison.CurrentCultureIgnoreCase))
{
Image sourceImage = null;
if (outputFormat.Equals("image", StringComparison.CurrentCultureIgnoreCase))
{
sourceImage = Image.FromStream(new System.IO.MemoryStream(response));
var watermarker = new ApplyWatermark();
var watermarkedImage = watermarker.Mark(sourceImage, "(c) ESRI Inc.");
var newResponse = new System.IO.MemoryStream();
watermarkedImage.Save(newResponse, sourceImage.RawFormat);
return newResponse.GetBuffer();
}
else if (outputFormat.Equals("json", StringComparison.CurrentCultureIgnoreCase))
{
var responseString = System.Text.Encoding.UTF8.GetString(response);
var jo = new JsonObject(responseString);
string hrefString = null;
if (!jo.TryGetString("href", out hrefString))
throw new RestErrorException("Export operation returned invalid response");
if (string.IsNullOrEmpty(hrefString))
throw new RestErrorException("Export operation returned invalid response");
// Generate output file location
var outputImageFileLocation = GetOutputImageFileLocation(hrefString);
// debug logging
//_serverLog.LogMessage(ServerLogger.msgType.error, "debug", 0, "output is " + outputImageFileLocation);
var watermarker = new ApplyWatermark();
Image watermarkedImage;
System.Drawing.Imaging.ImageFormat sourceImageFormat;
using( sourceImage = Image.FromFile(outputImageFileLocation))
{
sourceImageFormat = sourceImage.RawFormat;
watermarkedImage = watermarker.Mark(sourceImage, "(c) ESRI Inc.");
}
// make sure we dispose sourceImage handles before saving to it
watermarkedImage.Save(outputImageFileLocation, sourceImageFormat);
watermarkedImage.Dispose();
// return response as is because we have modified the file its pointing to
return response;
}
else if (outputFormat.Equals("kmz", StringComparison.CurrentCultureIgnoreCase))
{
// Note: Watermark can be added for the kmz format too. In this example we didn't
// implement it.
throw new RestErrorException("Kmz format is not supported");
}
else
{
throw new RestErrorException("Invalid operation parameters");
}
}//if operationName==export
return response;
}
catch (RestErrorException restException)
{
responseProperties = "{\"Content-Type\":\"text/plain;charset=utf-8\"}";
return System.Text.Encoding.UTF8.GetBytes(restException.Message);
}
catch (Exception e)
{
_serverLog.LogMessage(ServerLogger.msgType.error, _soiName + ".HandleRESTRequest()", 500, "Exception " + e.GetType().Name + " " + e.Message + " " + e.StackTrace);
throw;
}
}
