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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel
{
using System.Collections.Generic;
using System.Globalization;
public class FaultReason
{
SynchronizedReadOnlyCollection<FaultReasonText> translations;
public FaultReason(FaultReasonText translation)
{
if (translation == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("translation");
Init(translation);
}
public FaultReason(string text)
{
// Let FaultReasonText constructor throw
Init(new FaultReasonText(text));
}
internal FaultReason(string text, string xmlLang)
{
// Let FaultReasonText constructor throw
Init(new FaultReasonText(text, xmlLang));
}
internal FaultReason(string text, CultureInfo cultureInfo)
{
// Let FaultReasonText constructor throw
Init(new FaultReasonText(text, cultureInfo));
}
public FaultReason(IEnumerable<FaultReasonText> translations)
{
if (translations == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("translations"));
int count = 0;
foreach (FaultReasonText faultReasonText in translations)
count++;
if (count == 0)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(SR.GetString(SR.AtLeastOneFaultReasonMustBeSpecified), "translations"));
FaultReasonText[] array = new FaultReasonText[count];
int index = 0;
foreach (FaultReasonText faultReasonText in translations)
{
if (faultReasonText == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("translations", SR.GetString(SR.NoNullTranslations));
array[index++] = faultReasonText;
}
Init(array);
}
void Init(FaultReasonText translation)
{
Init(new FaultReasonText[] { translation });
}
void Init(FaultReasonText[] translations)
{
this.translations = new SynchronizedReadOnlyCollection<FaultReasonText>(new object(), Array.AsReadOnly<FaultReasonText>(translations));
}
public FaultReasonText GetMatchingTranslation()
{
return GetMatchingTranslation(CultureInfo.CurrentCulture);
}
// Microsoft, This function should always return a translation so that a fault can be surfaced.
public FaultReasonText GetMatchingTranslation(CultureInfo cultureInfo)
{
if (cultureInfo == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("cultureInfo"));
// If there's only one translation, use it
if (translations.Count == 1)
return translations[0];
// Search for an exact match
for (int i = 0; i < translations.Count; i++)
if (translations[i].Matches(cultureInfo))
return translations[i];
// If no exact match is found, proceed by looking for the a translation with a language that is a parent of the current culture
if (translations.Count == 0)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(SR.GetString(SR.NoMatchingTranslationFoundForFaultText)));
// Search for a more general language
#pragma warning suppress 56506
string localLang = cultureInfo.Name;
while (true)
{
int idx = localLang.LastIndexOf('-');
// We don't want to accept xml:lang=""
if (idx == -1)
break;
// Clip off the last subtag and look for a match
localLang = localLang.Substring(0, idx);
for (int i = 0; i < translations.Count; i++)
if (translations[i].XmlLang == localLang)
return translations[i];
}
// Return the first translation if no match is found
return translations[0];
}
public SynchronizedReadOnlyCollection<FaultReasonText> Translations
{
get { return translations; }
}
public override string ToString()
{
if (translations.Count == 0)
return string.Empty;
return GetMatchingTranslation().Text;
}
}
}
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