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DiscoveryClientProtocol.ResolveOneLevel Method

Definition

Resolves all references to discovery documents, XML Schema Definition (XSD) schemas and service descriptions in References, as well as references found in those discovery documents.

public:
 void ResolveOneLevel();
public void ResolveOneLevel ();
member this.ResolveOneLevel : unit -> unit
Public Sub ResolveOneLevel ()

Examples

The following code example is a Web Form that populates a DataGrid with the details about the documents in the Documents property together with the references found in each document during an XML Web services discovery. The PopulateGrid method fills the DataGrid with the results from a DiscoverAny invocation followed by a call to ResolveOneLevel.

 protected void Discover_Click(object Source, EventArgs e)
 {
  // Specify the URL to discover.
  string sourceUrl = DiscoURL.Text;
  // Specify the URL to save discovery results to or read from.
  string outputDirectory = DiscoDir.Text;

      DiscoveryClientProtocol client = new DiscoveryClientProtocol();
  // Use default credentials to access the URL being discovered.
      client.Credentials = CredentialCache.DefaultCredentials;

      try 
      {
        DiscoveryDocument doc;
        
        // Discover the URL for any discoverable documents/ 
    doc = client.DiscoverAny(sourceUrl);
   
        // Resolve references just one level deep/
        client.ResolveOneLevel();
      }
      catch ( Exception e2) 
      {
        DiscoveryResultsGrid.Columns.Clear();
        Status.Text = e2.Message;
      }
  // If documents were discovered, display the results in a data grid.
      if (client.Documents.Count > 0)
      PopulateGrid(client);

  // Save the discovery results to disk.
      DiscoveryClientResultCollection results = client.WriteAll(outputDirectory, "results.discomap");
      Status.Text = "The following file holds the links to each of the discovery results: <b>" + 
                                  Path.Combine(outputDirectory,"results.discomap") + "</b>";
}
Public Sub Discover_Click(Source As Object, e as EventArgs )
   ' Specify the URL to discover.
   Dim sourceUrl as String = DiscoURL.Text
   ' Specify the URL to save discovery results to or read from.
   Dim outputDirectory As String = DiscoDir.Text

   Dim client as DiscoveryClientProtocol = new DiscoveryClientProtocol()
   ' Use default credentials to access the URL being discovered.
   client.Credentials = CredentialCache.DefaultCredentials
   Try 
     Dim doc As DiscoveryDocument
     ' Discover the URL for any discoverable documents. 
     doc = client.DiscoverAny(sourceUrl)

 ' Resolve references just one level deep.
     client.ResolveOneLevel()
           
    Catch e2 As Exception
       DiscoveryResultsGrid.Columns.Clear()
       Status.Text = e2.Message
    End Try

    ' If documents were discovered, display the results in a data grid.
    If (client.Documents.Count > 0) Then
         'populate our Grid with the discovery results
     PopulateGrid(client)
    End If

    ' Save the discovery results to disk.	    
    Dim results As DiscoveryClientResultCollection 
    results = client.WriteAll(outputDirectory, "results.discomap")
    Status.Text = "The following file holds the links to each of the discovery results: <b>" + _ 
                                  Path.Combine(outputDirectory,"results.discomap") + "</b>"
   End Sub

Remarks

ResolveOneLevel resolves all valid references it finds and places them in the Documents property. Both ResolveAll and ResolveOneLevel download and verify XSD schemas and service descriptions in the References property. However, the two methods differ in how they handle discovery documents. ResolveOneLevel resolves all references in discovery documents within the References property. If a discovery document contains references to other discovery documents, ResolveOneLevel resolves just those discovery documents. Discovery documents found in those discovery documents nested one level deep are not resolved by ResolveOneLevel; whereas ResolveAll resolve them all. ResolveAll continues to resolve references in nested discovery documents until there are no more references.

Errors occurring during the verification process done by ResolveOneLevel are not thrown at the time of occurrence, but rather collected and added to the Errors property.

Applies to