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ProviderHelper.cs
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ProviderHelper.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Collections.Specialized;
using Enyim.Reflection;
using Enyim.Caching;
namespace Couchbase.AspNet.SessionState
{
internal static class ProviderHelper
{
public static string GetAndRemove(NameValueCollection nvc, string name, bool required)
{
var tmp = nvc[name];
if (tmp == null)
{
if (required) throw new System.Configuration.ConfigurationErrorsException("Missing parameter: " + name);
}
else
nvc.Remove(name);
return tmp;
}
public static void CheckForUnknownAttributes(NameValueCollection nvc)
{
if (nvc.Count > 0)
throw new System.Configuration.ConfigurationErrorsException("Unknown parameter: " + nvc.Keys[0]);
}
public static IMemcachedClient GetClient(string name, NameValueCollection config, Func<ICouchbaseClientFactory> createDefault)
{
var factory = GetFactoryInstance(ProviderHelper.GetAndRemove(config, "factory", false), createDefault);
System.Diagnostics.Debug.Assert(factory != null, "factory == null");
return factory.Create(name, config);
}
private static ICouchbaseClientFactory GetFactoryInstance(string typeName, Func<ICouchbaseClientFactory> createDefault)
{
if (String.IsNullOrEmpty(typeName))
return createDefault();
var type = Type.GetType(typeName, false);
if (type == null)
throw new System.Configuration.ConfigurationErrorsException("Could not load type: " + typeName);
if (!typeof(ICouchbaseClientFactory).IsAssignableFrom(type))
throw new System.Configuration.ConfigurationErrorsException("Type '" + typeName + "' must implement IMemcachedClientFactory");
return FastActivator.Create(type) as ICouchbaseClientFactory;
}
}
}
#region [ License information ]
/* ************************************************************
*
* @author Couchbase <info@couchbase.com>
* @copyright 2012 Couchbase, Inc.
* @copyright 2012 Attila Kiskó, enyim.com
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* ************************************************************/
#endregion