|  |  | 1 |  | // Copyright (c) Microsoft. All rights reserved. | 
|  |  | 2 |  | // Licensed under the MIT license. See LICENSE file in the project root for full license information. | 
|  |  | 3 |  |  | 
|  |  | 4 |  | namespace Microsoft.Azure.ServiceBus.Primitives | 
|  |  | 5 |  | { | 
|  |  | 6 |  |     using System.Collections.Generic; | 
|  |  | 7 |  |     using System.Globalization; | 
|  |  | 8 |  |     using System.Text; | 
|  |  | 9 |  |  | 
|  |  | 10 |  |     static class StringUtility | 
|  |  | 11 |  |     { | 
|  |  | 12 |  |  | 
|  |  | 13 |  |         public static string GetFormattedLockTokens(IEnumerable<string> lockTokens) | 
|  |  | 14 |  |         { | 
|  | 0 | 15 |  |             var lockTokenBuilder = new StringBuilder(); | 
|  | 0 | 16 |  |             foreach (var lockToken in lockTokens) | 
|  |  | 17 |  |             { | 
|  | 0 | 18 |  |                 lockTokenBuilder.AppendFormat(CultureInfo.InvariantCulture, "<LockToken>{0}</LockToken>", lockToken); | 
|  |  | 19 |  |             } | 
|  |  | 20 |  |  | 
|  | 0 | 21 |  |             return lockTokenBuilder.ToString(); | 
|  |  | 22 |  |         } | 
|  |  | 23 |  |  | 
|  |  | 24 |  |         public static string GetFormattedSequenceNumbers(IEnumerable<long> sequenceNumbers) | 
|  |  | 25 |  |         { | 
|  | 0 | 26 |  |             var sequenceNumberBuilder = new StringBuilder(); | 
|  | 0 | 27 |  |             foreach (var sequenceNumber in sequenceNumbers) | 
|  |  | 28 |  |             { | 
|  | 0 | 29 |  |                 sequenceNumberBuilder.AppendFormat(CultureInfo.InvariantCulture, "<SequenceNumber>{0}</SequenceNumber>", | 
|  |  | 30 |  |             } | 
|  |  | 31 |  |  | 
|  | 0 | 32 |  |             return sequenceNumberBuilder.ToString(); | 
|  |  | 33 |  |         } | 
|  |  | 34 |  |  | 
|  |  | 35 |  |         /// <summary> | 
|  |  | 36 |  |         /// Formats a string+parameters using CurrentCulture. | 
|  |  | 37 |  |         /// </summary> | 
|  |  | 38 |  |         public static string FormatForUser(this string format, params object[] args) | 
|  |  | 39 |  |         { | 
|  | 4 | 40 |  |             return string.Format(CultureInfo.CurrentCulture, format, args); | 
|  |  | 41 |  |         } | 
|  |  | 42 |  |  | 
|  |  | 43 |  |         /// <summary> | 
|  |  | 44 |  |         /// Formats a string+parameter using InvariantCulture.  This overload avoids allocating an array when there's on | 
|  |  | 45 |  |         /// </summary> | 
|  |  | 46 |  |         public static string FormatInvariant(this string format, object arg0) | 
|  |  | 47 |  |         { | 
|  | 0 | 48 |  |             return string.Format(CultureInfo.InvariantCulture, format, arg0); | 
|  |  | 49 |  |         } | 
|  |  | 50 |  |  | 
|  |  | 51 |  |         /// <summary> | 
|  |  | 52 |  |         /// Formats a string+parameters using InvariantCulture. | 
|  |  | 53 |  |         /// </summary> | 
|  |  | 54 |  |         public static string FormatInvariant(this string format, params object[] args) | 
|  |  | 55 |  |         { | 
|  | 0 | 56 |  |             return string.Format(CultureInfo.InvariantCulture, format, args); | 
|  |  | 57 |  |         } | 
|  |  | 58 |  |     } | 
|  |  | 59 |  | } |