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//
// System.Web.Services.Protocols.WebClientProtocol.cs
//
// Author:
// Tim Coleman (tim@timcoleman.com)
//
// Copyright (C) Tim Coleman, 2002
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.Collections.Specialized;
using System.ComponentModel;
using System.Net;
using System.Text;
using System.Threading;
using System.Web.Services;
namespace System.Web.Services.Protocols {
[System.Runtime.InteropServices.ComVisible (true)]
public abstract class WebClientProtocol : Component {
#region Fields
string connectionGroupName;
ICredentials credentials;
bool preAuthenticate;
Encoding requestEncoding;
int timeout;
//
// Used by SoapHttpClientProtocol, use this to avoid creating a new Uri on each invocation.
//
internal Uri uri;
//
// Points to the current request, so we can call Abort() on it
//
WebRequest current_request;
static HybridDictionary cache;
#endregion
#region Constructors
static WebClientProtocol ()
{
cache = new HybridDictionary ();
}
protected WebClientProtocol ()
{
connectionGroupName = String.Empty;
credentials = null;
preAuthenticate = false;
requestEncoding = null;
timeout = 100000;
}
#endregion // Constructors
#region Properties
[DefaultValue ("")]
public string ConnectionGroupName {
get { return connectionGroupName; }
set { connectionGroupName = value; }
}
public ICredentials Credentials {
get { return credentials; }
set { credentials = value; }
}
[DefaultValue (false)]
[WebServicesDescription ("Enables pre authentication of the request.")]
public bool PreAuthenticate {
get { return preAuthenticate; }
set { preAuthenticate = value; }
}
[DefaultValue (null)]
[RecommendedAsConfigurable (true)]
[WebServicesDescription ("The encoding to use for requests.")]
public Encoding RequestEncoding {
get { return requestEncoding; }
set { requestEncoding = value; }
}
[DefaultValue (100000)]
[RecommendedAsConfigurable (true)]
[WebServicesDescription ("Sets the timeout in milliseconds to be used for synchronous calls. The default of -1 means infinite.")]
public int Timeout {
get { return timeout; }
set { timeout = value; }
}
[DefaultValue ("")]
[RecommendedAsConfigurable (true)]
[WebServicesDescription ("The base URL to the server to use for requests.")]
public string Url {
get { return uri == null ? String.Empty : uri.AbsoluteUri; }
set { uri = new Uri (value); }
}
public bool UseDefaultCredentials {
get { return CredentialCache.DefaultCredentials == Credentials; }
set { Credentials = value ? CredentialCache.DefaultCredentials : null; }
}
#endregion // Properties
#region Methods
public virtual void Abort ()
{
WebRequest request = current_request;
current_request = null;
if (request != null)
request.Abort ();
}
protected static void AddToCache (Type type, object value)
{
cache [type] = value;
}
protected static object GetFromCache (Type type)
{
return cache [type];
}
protected virtual WebRequest GetWebRequest (Uri uri)
{
if (uri == null)
throw new InvalidOperationException ("uri is null");
WebRequest request = WebRequest.Create (uri);
request.Timeout = timeout;
request.PreAuthenticate = preAuthenticate;
request.ConnectionGroupName = connectionGroupName;
if (credentials != null)
request.Credentials = credentials;
current_request = request;
return request;
}
protected virtual WebResponse GetWebResponse (WebRequest request)
{
WebResponse response = null;
try {
request.Timeout = timeout;
response = request.GetResponse ();
} catch (WebException e) {
response = e.Response;
if (response == null)
throw;
}
return response;
}
protected virtual WebResponse GetWebResponse (WebRequest request, IAsyncResult result)
{
return request.EndGetResponse (result);
}
#endregion // Methods
}
}
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