/// <summary>
/// The build query bean.
/// </summary>
/// <param name="flowRef">
/// The flow ref.
/// </param>
/// <param name="key">
/// The key.
/// </param>
/// <param name="providerRef">
/// The provider ref.
/// </param>
/// <param name="queryParameters">
/// The query parameters.
/// </param>
/// <returns>
/// The <see cref="IRestDataQuery"/>.
/// </returns>
/// <exception cref="WebFaultException{T}">
/// </exception>
private IRestDataQuery BuildQueryBean(string flowRef, string key, string providerRef, NameValueCollection queryParameters)
{
var queryString = new string[4];
queryString[0] = "data";
queryString[1] = flowRef;
queryString[2] = key;
queryString[3] = providerRef;
IDictionary<string, string> paramsDict = HeaderUtils.GetQueryStringAsDict(queryParameters);
IRestDataQuery restQuery;
try
{
restQuery = new RESTDataQueryCore(queryString, paramsDict);
}
catch (SdmxException e)
{
Logger.Error(e.Message, e);
throw this._faultExceptionRestBuilder.Build(e);
}
catch (Exception e)
{
Logger.Error(e.Message, e);
throw new WebFaultException<string>(e.Message, HttpStatusCode.BadRequest);
}
return restQuery;
}
/// <summary>
/// Parse the specified <paramref name="query"/>.
/// </summary>
/// <param name="query">
/// The REST data query.
/// </param>
/// <param name="beanRetrievalManager">
/// The <c>SDMX</c> object retrieval manager.
/// </param>
/// <returns>
/// The <see cref="IDataQuery"/> from <paramref name="query"/>.
/// </returns>
public virtual IDataQuery ParseRestQuery(string query, ISdmxObjectRetrievalManager beanRetrievalManager)
{
// NOTE fixed MT bug Data -> data
if (!query.ToLower().StartsWith("data/"))
{
throw new SdmxSemmanticException("Expecting REST Query for Data to start with 'Data/'");
}
string[] split = Regex.Split(query, "\\?");
//Everything one split[1] this point are query parameters
IDictionary<string, string> queryParameters = new Dictionary<string, string>(StringComparer.Ordinal);
if (split.Length > 1)
{
string[] queryParametersSplit = Regex.Split(split[1], "&");
for (int i = 0; i < queryParametersSplit.Length; i++)
{
string[] queryParam = Regex.Split(queryParametersSplit[i], "=");
if (queryParam.Length != 2)
{
throw new SdmxSemmanticException("Missing equals '=' in query parameters '" + split[i] + "'");
}
queryParameters.Add(queryParam[0], queryParam[1]);
}
}
string queryPrefix = split[0];
var dataQuery = new RESTDataQueryCore(queryPrefix.Split('/'), queryParameters);
return new DataQueryImpl(dataQuery, beanRetrievalManager);
}
public void ProcessRequest(HttpContext context) {
HttpRequest request = context.Request;
HttpResponse response = context.Response;
string restUrl = Regex.Replace(request.Url.PathAndQuery, @"^\/RestService.ashx", string.Empty);
if (restUrl.StartsWith("/data/"))
{
IRestDataQuery query = new RESTDataQueryCore(restUrl);
// get the first known Accept Header value and IDataFormat from the request
KeyValuePair<string, IDataFormat> dataFormat = GetDataFormat(request);
// for simplicity use the first known accept header
response.ContentType = dataFormat.Key;
response.AddHeader("Content-Disposition", new ContentDisposition { FileName = "data.xml", Inline = true }.ToString());
this._dataQueryManager.ExecuteQuery(query, dataFormat.Value, response.OutputStream);
}
else
{
IRestStructureQuery query = new RESTStructureQueryCore(restUrl);
KeyValuePair<string, IStructureFormat> format = GetStructureFormat(request);
// for simplicity use the first known accept header
response.ContentType = format.Key;
response.AddHeader("Content-Disposition", new ContentDisposition { FileName = "structure.xml", Inline = true }.ToString());
this._restStructureQueryManager.GetStructures(query, response.OutputStream, format.Value);
}
response.End();
}
