Ng.CommandHelpers.GetLuceneDirectoryImpl C# (CSharp) Метод

        public static Lucene.Net.Store.Directory GetLuceneDirectoryImpl(IDictionary<string, string> arguments, IDictionary<string, string> argumentNameMap, bool required = true)
        {
            try
            {
                var luceneDirectoryType = arguments.GetOrThrow<string>(argumentNameMap[Arguments.DirectoryType]);

                if (luceneDirectoryType.Equals(Arguments.FileStorageType, StringComparison.InvariantCultureIgnoreCase))
                {
                    var lucenePath = arguments.GetOrThrow<string>(argumentNameMap[Arguments.Path]);

                    var directoryInfo = new DirectoryInfo(lucenePath);

                    if (directoryInfo.Exists)
                    {
                        return new SimpleFSDirectory(directoryInfo);
                    }

                    directoryInfo.Create();
                    directoryInfo.Refresh();

                    return new SimpleFSDirectory(directoryInfo);
                }
                if (luceneDirectoryType.Equals(Arguments.AzureStorageType, StringComparison.InvariantCultureIgnoreCase))
                {
                    var luceneStorageAccountName = arguments.GetOrThrow<string>(argumentNameMap[Arguments.StorageAccountName]);

                    var luceneStorageKeyValue = arguments.GetOrThrow<string>(argumentNameMap[Arguments.StorageKeyValue]);

                    var luceneStorageContainer = arguments.GetOrThrow<string>(argumentNameMap[Arguments.StorageContainer]);

                    var credentials = new StorageCredentials(luceneStorageAccountName, luceneStorageKeyValue);
                    var account = new CloudStorageAccount(credentials, true);
                    return new AzureDirectory(account, luceneStorageContainer);
                }
                Trace.TraceError("Unrecognized Lucene Directory Type \"{0}\"", luceneDirectoryType);
                return null;
            }
            catch (ArgumentException)
            {
                if (required)
                {
                    throw;
                }

                return null;
            }
        }