| #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> |
| public override FilterDecision Decide(LoggingEvent loggingEvent) |
| { |
| return FilterDecision.Deny; |
| } |
| |
| #endregion |
| } |
| } |