#region Copyright & License // // Copyright 2001-2005 The Apache Software Foundation // // 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 using System; using System.Collections; namespace Pegasus.Log4Net.Util { /// <summary> /// Implementation of Stacks collection for the <see cref="Pegasus.Log4Net.ThreadContext"/> /// </summary> /// <remarks> /// <para> /// Implementation of Stacks collection for the <see cref="Pegasus.Log4Net.ThreadContext"/> /// </para> /// </remarks> /// <author>Nicko Cadell</author> public sealed class ThreadContextStacks { private readonly ContextPropertiesBase m_properties; #region Public Instance Constructors /// <summary> /// Internal constructor /// </summary> /// <remarks> /// <para> /// Initializes a new instance of the <see cref="ThreadContextStacks" /> class. /// </para> /// </remarks> internal ThreadContextStacks(ContextPropertiesBase properties) { m_properties = properties; } #endregion Public Instance Constructors #region Public Instance Properties /// <summary> /// Gets the named thread context stack /// </summary> /// <value> /// The named stack /// </value> /// <remarks> /// <para> /// Gets the named thread context stack /// </para> /// </remarks> public ThreadContextStack this[string key] { get { ThreadContextStack stack = null; object propertyValue = m_properties[key]; if (propertyValue == null) { // Stack does not exist, create stack = new ThreadContextStack(); m_properties[key] = stack; } else { // Look for existing stack stack = propertyValue as ThreadContextStack; if (stack == null) { // Property is not set to a stack! string propertyValueString = SystemInfo.NullText; try { propertyValueString = propertyValue.ToString(); } catch { } LogLog.Error("ThreadContextStacks: Request for stack named ["+key+"] failed because a property with the same name exists which is a ["+propertyValue.GetType().Name+"] with value ["+propertyValueString+"]"); stack = new ThreadContextStack(); } } return stack; } } #endregion Public Instance Properties } }
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