// Retrieve the stream containing the specified attachment
// from the Indigo service.
public Stream GetRecipeAttachment(String docKey, String attachmentKey)
{
Stream stream = null;
try
{
stream = proxy.GetAttachment(docKey, attachmentKey);
if (stream == null)
{
throw new Exception("Attachment not found");
}
#if true //TODO: SeptCTP "bug" - unable to use WCF stream with BitmapImage.StreamSource
else
{
List <byte> bytesList = new List <byte>();
int i = stream.ReadByte();
while (i != -1)
{
bytesList.Add((byte)i);
i = stream.ReadByte();
}
stream = new MemoryStream(bytesList.ToArray());
}
#endif
}
catch (FaultException <AttachmentNotFoundFaultException> f)
{
DocumentServiceHelpers.HandleException(f);
}
catch (FaultException <string> f)
{
DocumentServiceHelpers.HandleException(f);
}
catch (FaultException f)
{
DocumentServiceHelpers.HandleException(f);
}
catch (Exception e)
{
DocumentServiceHelpers.HandleException(e);
}
return(stream);
}
// Connect to the Indigo service and retrieve the list of recipes
public void OnAppStartup(object sender, StartupEventArgs e)
{
// Set up the Indigo service to the local store.
proxy = new DocumentServiceProxy();
// Initialize the recipe list
DocHeader[] headers;
try
{
headers = proxy.GetDocHeaders("");
if ((headers != null) && (headers.Length > 0))
{
recipeList = new Recipes(headers);
currentIndex = 0;
// Add the application specific properties
Properties.Add("RecipeList", recipeList);
Properties.Add("CurrentRecipe", currentIndex);
}
else
{
throw new ApplicationException("No documents found");
}
}
catch (FaultException <NoDocumentsFoundFaultException> f)
{
DocumentServiceHelpers.HandleException(f);
}
catch (FaultException <string> f)
{
DocumentServiceHelpers.HandleException(f);
}
catch (Exception ex)
{
DocumentServiceHelpers.HandleException(ex);
}
}
// Retrieve the recipe identified by "key"
// from the Indigo service
public XmlDocument GetRecipe(String key)
{
XmlDocument recipeDoc = null;
Message query = null;
Message response = null;
String action = "http://Microsoft.Samples.RecipeCatalog/IDocumentService/GetDoc";
try
{
// Create the request message using the doc key; a document will be returned in the reply Message
query = Message.CreateMessage(MessageVersion.Default, action, key);
response = proxy.GetDoc(query);
// Process the response message
XmlReader rdr = response.GetReaderAtBodyContents();
if (!rdr.EOF)
{
// The service returned a document
if (!response.IsFault)
{
recipeDoc = new XmlDocument();
recipeDoc.Load(rdr);
}
// The service returned a fault
else
{
DocumentServiceHelpers.ProcessMessageFault(rdr);
}
}
// Response message came back empty
else
{
throw new Exception("Response message is empty");
}
}
catch (FaultException <DocumentNotFoundFaultException> f)
{
DocumentServiceHelpers.HandleException(f);
}
catch (FaultException <string> f)
{
DocumentServiceHelpers.HandleException(f);
}
catch (FaultException f)
{
DocumentServiceHelpers.HandleException(f);
}
catch (Exception e)
{
DocumentServiceHelpers.HandleException(e);
}
finally
{
if (query != null)
{
query.Close();
}
if (response != null)
{
response.Close();
}
}
return(recipeDoc);
}
