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81 lines
3.5 KiB
C#
81 lines
3.5 KiB
C#
// Copyright (C) 2025, The Duplicati Team
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// https://duplicati.com, hello@duplicati.com
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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using System;
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using System.Threading;
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namespace Duplicati.Library.Localization
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{
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/// <summary>
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/// Helper class for choosing a temporary localization context
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/// </summary>
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internal class LocalizationContext : IDisposable
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{
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/// <summary>
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/// The current culture, using an async local to keep the call context
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/// </summary>
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private static readonly AsyncLocal<string> _currentCulture = new();
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/// <summary>
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/// The previous context
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/// </summary>
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private readonly string m_prev;
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/// <summary>
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/// Flag to prevent double dispose
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/// </summary>
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private bool m_isDisposed = true;
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/// <summary>
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/// Initializes a new instance of the <see cref="T:Duplicati.Library.Localization.LocalizationContext"/> class.
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/// </summary>
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/// <param name="ci">The localization to use.</param>
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public LocalizationContext(System.Globalization.CultureInfo ci)
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{
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m_prev = _currentCulture.Value;
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_currentCulture.Value = ci.Name;
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m_isDisposed = false;
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}
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/// <summary>
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/// Returns the current culture value for the call context
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/// </summary>
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public static string Current => _currentCulture.Value;
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/// <summary>
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/// Releases all resource used by the <see cref="T:Duplicati.Library.Localization.LocalizationContext"/> object.
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/// </summary>
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/// <remarks>Call <see cref="Dispose"/> when you are finished using the
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/// <see cref="T:Duplicati.Library.Localization.LocalizationContext"/>. The <see cref="Dispose"/> method leaves
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/// the <see cref="T:Duplicati.Library.Localization.LocalizationContext"/> in an unusable state. After calling
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/// <see cref="Dispose"/>, you must release all references to the
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/// <see cref="T:Duplicati.Library.Localization.LocalizationContext"/> so the garbage collector can reclaim the
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/// memory that the <see cref="T:Duplicati.Library.Localization.LocalizationContext"/> was occupying.</remarks>
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public void Dispose()
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{
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if (!m_isDisposed)
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{
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_currentCulture.Value = m_prev;
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m_isDisposed = true;
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}
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}
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}
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}
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