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change card reader decision code to prevent null ref in main app.

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#79
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chris.watts90@outlook.com 2017-04-21 08:15:27 +01:00
parent 111bbd99e4
commit 5dbd7a7ded
1 changed files with 5 additions and 7 deletions
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12
DataCenter_Windows/WindowsDataCenter/CardReaderService/CardReaderService.cs
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@ -52,15 +52,13 @@ namespace CardReaderService
} }
var readerNameConfig = ConfigurationHandler.ConfigurationHandler.GetConfiguration("ReaderName"); var readerNameConfig = ConfigurationHandler.ConfigurationHandler.GetConfiguration("ReaderName");
if (string.IsNullOrEmpty(readerNameConfig)) if (string.IsNullOrEmpty(readerNameConfig) || (!readerNames.Contains(readerNameConfig)))
{ {
if (!readerNames.Contains(readerNameConfig)) _logger.Warn("No reader found with the name: {0}, defaulting to first available reader {1}",
{ readerNameConfig, readerNames.First());
_logger.Warn("No reader found with the name: {0}, defaulting to first available reader {1}",
readerNameConfig, readerNames.First());
readerNameConfig=readerNames.First(); readerNameConfig = readerNames.First();
}
} }
_logger.Trace("Choosing reader: {0}", readerNameConfig); _logger.Trace("Choosing reader: {0}", readerNameConfig);
_readerName = readerNameConfig; _readerName = readerNameConfig;