48 lines
1.5 KiB
C#
48 lines
1.5 KiB
C#
/*
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*
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* (c) Copyright Ascensio System Limited 2010-2021
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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namespace ASC.Common
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{
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[Singletone]
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public class TempStream
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{
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private TempPath TempPath { get; }
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public TempStream(TempPath tempPath)
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{
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TempPath = tempPath;
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}
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public Stream GetBuffered(Stream srcStream)
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{
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if (srcStream == null) throw new ArgumentNullException("srcStream");
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if (!srcStream.CanSeek || srcStream.CanTimeout)
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{
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//Buffer it
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var memStream = Create();
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srcStream.CopyTo(memStream);
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memStream.Position = 0;
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return memStream;
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}
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return srcStream;
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}
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public Stream Create()
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{
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return new FileStream(TempPath.GetTempFileName(), FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.Read, 4096, FileOptions.DeleteOnClose);
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}
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}
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} |