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//
// System.Web.Services.Discovery.DiscoveryReference.cs
//
// Author:
// Dave Bettin (javabettin@yahoo.com)
// Lluis Sanchez Gual (lluis@ximian.com)
//
// Copyright (C) Dave Bettin, 2002
//
using System.IO;
using System.Xml.Serialization;
namespace System.Web.Services.Discovery {
public abstract class DiscoveryReference {
#region Fields
private string defaultFilename;
private DiscoveryClientProtocol clientProtocol;
#endregion // Fields
#region Constructors
protected DiscoveryReference ()
{
}
#endregion // Constructors
#region Properties
[XmlIgnore]
public DiscoveryClientProtocol ClientProtocol {
get { return clientProtocol; }
set { clientProtocol = value; }
}
[XmlIgnore]
public virtual string DefaultFilename {
get { return FilenameFromUrl (Url); }
}
[XmlIgnore]
public abstract string Url {
get;
set;
}
#endregion // Properties
#region Methods
protected static string FilenameFromUrl (string url)
{
if (url.ToLower().EndsWith ("/wsdl"))
url = url.Substring (0,url.Length-5);
else if (url.ToLower().EndsWith ("/soap"))
url = url.Substring (0,url.Length-5);
else if (url.ToLower().EndsWith ("/wsdl.jsp"))
url = url.Substring (0,url.Length-9);
else if (url.ToLower().EndsWith ("/soap.wsdl"))
url = url.Substring (0,url.Length-10);
int i = url.LastIndexOf ("/");
if (i != -1) url = url.Substring (i+1);
i = url.IndexOfAny (new char[] {'.','?','\\'});
if (i != -1) url = url.Substring (0,i);
System.Text.StringBuilder sb = new System.Text.StringBuilder ();
for (int n=0; n<url.Length; n++)
if (Char.IsLetterOrDigit (url[n]) || url[n] == '_') sb.Append (url[n]);
return sb.ToString ();
}
public abstract object ReadDocument (Stream stream);
public void Resolve ()
{
if (clientProtocol == null)
throw new InvalidOperationException ("The ClientProtocol property is a null reference.");
if (clientProtocol.Documents.Contains (Url)) // Already resolved
return;
try
{
string contentType = null;
string url = Url;
Stream stream = clientProtocol.Download (ref url, ref contentType);
Resolve (contentType, stream);
}
catch (Exception ex)
{
ReportError (Url, ex);
}
}
protected internal abstract void Resolve (string contentType, Stream stream);
public abstract void WriteDocument (object document, Stream stream);
internal void ReportError (string url, Exception ex)
{
if (ex is DiscoveryException) throw ex;
else throw new DiscoveryException (url, ex);
}
#endregion // Methods
}
}
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