/// <summary>
/// Process a single <code>Request</code>.
/// </summary>
/// <param name="state">The <code>Request</code> to process.</param>
static void processRequest(Object state)
{
Request request = (Request) state;
if (request == null) return;
List<Result> results = new RequestRunner(request).retrieveItems();
RdfFile rdf = new RdfFile();
foreach (Result r in results)
{
RDFMetaData rdfmd = new RDFMetaData();
rdfmd.Subject = request.topic;
rdfmd.Title = r.Title;
rdfmd.Description = r.Description;
rdfmd.Date = r.Datetime;
rdfmd.Identifier = r.Url;
rdfmd.Size = r.Size;
rdfmd.Format = r.MimeType;
//Length, Height, Width could be used, but Dublin Core doesn't care
HttpMetaData httpmd = new HttpMetaData(rdfmd);
if (httpmd.wasFound)
httpmd.addMetaData();
rdf.addDescription(rdfmd.getDescription());
}
StreamWriter fw = new StreamWriter(ControllerConfig.ouputDirectory
+ DateTime.UtcNow.ToFileTimeUtc().ToString()
+ ControllerConfig.outputFileSuffix);
fw.AutoFlush = true;
rdf.Save(fw);
fw.Close();
}
/// <summary>
/// Setup the HTTP HEAD retriever with a possibly existing HTTP
/// response.
/// </summary>
/// <param name="metadata">The metadata to add to.</param>
/// <param name="headResponse">An HTTP response, if one has already
/// been received.</param>
public HttpMetaData(RDFMetaData metadata, HttpWebResponse headResponse = null)
{
this.metadata = metadata;
this.headResponse = headResponse;
this.wasFound = false;
}