/// <summary>
/// Retrieve list of all transformation specifications configured.
/// </summary>
/// <returns></returns>
public HttpResponseMessage Get()
{
Logger.Information("Incoming transformation specification list request.");
try
{
string landLinkConfig = AppSettings.Get("LandLinkConfigFile");
var config = new TransformationConfig().LoadFromFile(landLinkConfig);
List <object> resultList = new List <object>();
foreach (var spec in config.TransformationSpecifications)
{
var record = new
{
Name = spec.Name,
Description = spec.Description,
Type = spec.Type
};
resultList.Add(record);
}
return(Request.CreateResponse(HttpStatusCode.Created, resultList, new JsonMediaTypeFormatter()));
}
catch (Exception ex)
{
return(HttpErrorHelper.CreateHttpResponsForUnexpectedException(this, Logger, ex));
}
}
/// <summary>
/// Process the posted data according to transformation specification.
/// If the writer (specificed in the transformation specification) is able to produce text or xml (i.e. geojson) that will be returned.
/// If the writer (specificed in the transformation specification) is not able to produce output that can be returend (i.e. SQL writer), a http ok with no content will be return on successful completion.
/// </summary>
/// <returns></returns>
public HttpResponseMessage Post(string specificationName, string projectName = null, string jobName = null, string userName = null)
{
Logger.Information("Incoming transformation command. TransformationSpecification='" + specificationName + "' JobName='" + jobName + "' ProjectName='" + projectName + "' UserName='******'");
try
{
var httpRequest = HttpContext.Current.Request;
System.IO.StreamReader reader = new System.IO.StreamReader(httpRequest.InputStream);
string inputData = reader.ReadToEnd();
if (inputData == null || inputData.Length == 0)
{
Logger.Error("Input data cannot be null or length = 0!");
return(Request.CreateResponse(HttpStatusCode.BadRequest, "Input data cannot be null. No data send in post request. Check if file is empty.", new JsonMediaTypeFormatter()));
}
string landLinkConfig = AppSettings.Get("LandLinkConfigFile");
var config = new TransformationConfig().LoadFromFile(landLinkConfig);
var transformer = config.InitializeDataTransformer(specificationName);
if (transformer.GetSpecification().Type != null && transformer.GetSpecification().Type.ToLower() == "import" && jobName == null)
{
return(Request.CreateResponse(HttpStatusCode.BadRequest, "jobName parameter must be set on import transformations", new JsonMediaTypeFormatter()));
}
var daxReader = transformer.GetFirstDataReader();
// Log out first 200 bytes of input data
int inputSubStringLen = 200;
if (inputData.Length < inputSubStringLen)
{
inputSubStringLen = inputData.Length;
}
Logger.Debug("Input data stream (max 200 bytes): " + inputData.Substring(0, inputSubStringLen));
transformer.GetFirstDataReader().Open(inputData);
transformer.TransferData(projectName, jobName, userName);
var writer = transformer.GetFirstDataWriter();
var transformationResult = writer.GetResult();
if (transformationResult != null)
{
int outputSubStringLen = 200;
if (transformationResult.Length < outputSubStringLen)
{
outputSubStringLen = transformationResult.Length;
}
Logger.Debug("Output data stream (max 200 bytes): " + transformationResult.Substring(0, outputSubStringLen));
HttpResponseMessage resp = new HttpResponseMessage(HttpStatusCode.OK);
resp.Content = new StringContent(transformationResult);
resp.Content.Headers.ContentType = new MediaTypeHeaderValue("application/octet-stream");
return(resp);
}
else
{
return(new HttpResponseMessage(HttpStatusCode.OK));
}
}
catch (Exception ex)
{
return(HttpErrorHelper.CreateHttpResponsForUnexpectedException(this, Logger, ex));
}
}
