/
XmlResolver.cs
91 lines (79 loc) · 2.68 KB
/
XmlResolver.cs
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System;
using System.IO;
using System.Text;
using System.Security;
using System.Net;
using System.Threading.Tasks;
using System.Runtime.Versioning;
using System.Diagnostics;
namespace System.Xml
{
/// <devdoc>
/// <para>Resolves external XML resources named by a Uniform
/// Resource Identifier (URI). This class is <see langword='abstract'/>
/// .</para>
/// </devdoc>
public abstract partial class XmlResolver
{
/// <devdoc>
/// <para>Maps a
/// URI to an Object containing the actual resource.</para>
/// </devdoc>
public abstract object? GetEntity(Uri absoluteUri,
string? role,
Type? ofObjectToReturn);
public virtual Task<object> GetEntityAsync(Uri absoluteUri,
string? role,
Type? ofObjectToReturn)
{
throw new NotImplementedException();
}
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public virtual Uri ResolveUri(Uri? baseUri, string? relativeUri)
{
if (baseUri == null || (!baseUri.IsAbsoluteUri && baseUri.OriginalString.Length == 0))
{
Uri uri = new Uri(relativeUri!, UriKind.RelativeOrAbsolute);
if (!uri.IsAbsoluteUri && uri.OriginalString.Length > 0)
{
uri = new Uri(Path.GetFullPath(relativeUri!));
}
return uri;
}
else
{
if (relativeUri == null || relativeUri.Length == 0)
{
return baseUri;
}
// relative base Uri
if (!baseUri.IsAbsoluteUri)
{
throw new NotSupportedException(SR.Xml_RelativeUriNotSupported);
}
return new Uri(baseUri, relativeUri);
}
}
//UE attension
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public virtual ICredentials Credentials
{
set { }
}
public virtual bool SupportsType(Uri absoluteUri, Type? type)
{
ArgumentNullException.ThrowIfNull(absoluteUri);
if (type == null || type == typeof(Stream))
{
return true;
}
return false;
}
}
}