Lucene.Net.Util.LuceneTestCase.CreateTempFile C# (CSharp) Method

        public static FileInfo CreateTempFile()
        {
            return CreateTempFile("tempFile", ".tmp");
        }

        internal static string MaybeCreateTempFile(bool removeAfterClass = true)
        {
            string result = null;
            Stream temp   = null;

            if (LuceneTestCase.TestLineDocsFile == LuceneTestCase.DEFAULT_LINE_DOCS_FILE) // Always GZipped
            {
                temp = typeof(LineFileDocs).FindAndGetManifestResourceStream(LuceneTestCase.TestLineDocsFile);
            }
            else if (LuceneTestCase.TestLineDocsFile.EndsWith(".gz", StringComparison.Ordinal))
            {
                temp = new FileStream(LuceneTestCase.TestLineDocsFile, FileMode.Open, FileAccess.Read, FileShare.Read);
            }
            if (null != temp)
            {
                var file = removeAfterClass
                    ? LuceneTestCase.CreateTempFile(TEMP_FILE_PREFIX, TEMP_FILE_SUFFIX)
                    : FileSupport.CreateTempFile(TEMP_FILE_PREFIX, TEMP_FILE_SUFFIX);
                result = file.FullName;
                using (var gzs = new GZipStream(temp, CompressionMode.Decompress, leaveOpen: false))
                    using (Stream output = new FileStream(result, FileMode.Open, FileAccess.Write, FileShare.Read))
                    {
                        gzs.CopyTo(output);
                    }
            }
            return(result);
        }