#region Apache License
|
//
|
// Licensed to the Apache Software Foundation (ASF) under one or more
|
// contributor license agreements. See the NOTICE file distributed with
|
// this work for additional information regarding copyright ownership.
|
// The ASF licenses this file to you 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
|
|
using System;
|
|
using log4net.Core;
|
|
namespace log4net.Filter
|
{
|
/// <summary>
|
/// This filter drops all <see cref="LoggingEvent"/>.
|
/// </summary>
|
/// <remarks>
|
/// <para>
|
/// You can add this filter to the end of a filter chain to
|
/// switch from the default "accept all unless instructed otherwise"
|
/// filtering behavior to a "deny all unless instructed otherwise"
|
/// behavior.
|
/// </para>
|
/// </remarks>
|
/// <author>Nicko Cadell</author>
|
/// <author>Gert Driesen</author>
|
public sealed class DenyAllFilter : FilterSkeleton
|
{
|
#region Constructors
|
|
/// <summary>
|
/// Default constructor
|
/// </summary>
|
public DenyAllFilter()
|
{
|
}
|
|
#endregion
|
|
#region Override implementation of FilterSkeleton
|
|
/// <summary>
|
/// Always returns the integer constant <see cref="FilterDecision.Deny"/>
|
/// </summary>
|
/// <param name="loggingEvent">the LoggingEvent to filter</param>
|
/// <returns>Always returns <see cref="FilterDecision.Deny"/></returns>
|
/// <remarks>
|
/// <para>
|
/// Ignores the event being logged and just returns
|
/// <see cref="FilterDecision.Deny"/>. This can be used to change the default filter
|
/// chain behavior from <see cref="FilterDecision.Accept"/> to <see cref="FilterDecision.Deny"/>. This filter
|
/// should only be used as the last filter in the chain
|
/// as any further filters will be ignored!
|
/// </para>
|
/// </remarks>
|
override public FilterDecision Decide(LoggingEvent loggingEvent)
|
{
|
return FilterDecision.Deny;
|
}
|
|
#endregion
|
}
|
}
|
