96 lines
3.7 KiB
C#
96 lines
3.7 KiB
C#
// (c) Copyright Ascensio System SIA 2010-2022
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//
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// This program is a free software product.
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// You can redistribute it and/or modify it under the terms
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// of the GNU Affero General Public License (AGPL) version 3 as published by the Free Software
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// Foundation. In accordance with Section 7(a) of the GNU AGPL its Section 15 shall be amended
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// to the effect that Ascensio System SIA expressly excludes the warranty of non-infringement of
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// any third-party rights.
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//
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// This program is distributed WITHOUT ANY WARRANTY, without even the implied warranty
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// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For details, see
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// the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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//
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// You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia, EU, LV-1021.
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//
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// The interactive user interfaces in modified source and object code versions of the Program must
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// display Appropriate Legal Notices, as required under Section 5 of the GNU AGPL version 3.
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//
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// Pursuant to Section 7(b) of the License you must retain the original Product logo when
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// distributing the program. Pursuant to Section 7(e) we decline to grant you any rights under
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// trademark law for use of our trademarks.
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//
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// All the Product's GUI elements, including illustrations and icon sets, as well as technical writing
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// content are licensed under the terms of the Creative Commons Attribution-ShareAlike 4.0
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// International. See the License terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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namespace ASC.Common.Utils;
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public class TextLoader : ResourceLoader
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{
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public override void Init(Commons.Collections.ExtendedProperties configuration)
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{
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//nothing to configure
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}
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public override Stream GetResourceStream(string source)
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{
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return new MemoryStream(Encoding.UTF8.GetBytes(source));
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}
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public override long GetLastModified(NVelocity.Runtime.Resource.Resource resource)
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{
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return 1;
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}
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public override bool IsSourceModified(NVelocity.Runtime.Resource.Resource resource)
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{
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return false;
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}
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}
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public static class VelocityFormatter
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{
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private static bool _initialized;
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private static readonly ConcurrentDictionary<string, Template> _patterns = new ConcurrentDictionary<string, Template>();
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public static string FormatText(string templateText, IDictionary<string, object> values)
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{
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var nvelocityContext = new VelocityContext();
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foreach (var tagValue in values)
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{
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nvelocityContext.Put(tagValue.Key, tagValue.Value);
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}
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return FormatText(templateText, nvelocityContext);
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}
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public static string FormatText(string templateText, VelocityContext context)
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{
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if (!_initialized)
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{
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var properties = new Commons.Collections.ExtendedProperties();
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properties.AddProperty("resource.loader", "custom");
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properties.AddProperty("custom.resource.loader.class", "ASC.Common.Utils.TextLoader; ASC.Common");
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properties.AddProperty("input.encoding", Encoding.UTF8.WebName);
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properties.AddProperty("output.encoding", Encoding.UTF8.WebName);
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Velocity.Init(properties);
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_initialized = true;
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}
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using var writer = new StringWriter();
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var key = templateText.GetHashCode().ToString();
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if (!_patterns.TryGetValue(key, out var template))
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{
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template = Velocity.GetTemplate(templateText);
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_patterns.TryAdd(key, template);
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}
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template.Merge(context, writer);
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return writer.GetStringBuilder().ToString();
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}
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}
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