public JsonStringLocalizerFactory(
IHostingEnvironment applicationEnvironment,
IOptions <JsonLocalizationOptions> localizationOptions,
ILogger logger,
Container container)
{
if (localizationOptions == null)
{
throw new ArgumentNullException(nameof(localizationOptions));
}
_applicationEnvironment = applicationEnvironment ?? throw new ArgumentNullException(nameof(applicationEnvironment));
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
Container = container ?? throw new ArgumentNullException(nameof(container));
ResourceRelativePath = localizationOptions.Value.ResourcesPath ?? string.Empty;
if (!string.IsNullOrWhiteSpace(ResourceRelativePath))
{
ResourceRelativePath = ResourceRelativePath
.Replace(Path.AltDirectorySeparatorChar, '.')
.Replace(Path.DirectorySeparatorChar, '.');
}
logger.Trace($"Created {nameof(JsonStringLocalizerFactory)} with:{Environment.NewLine}" +
$" (application name: {applicationEnvironment.ApplicationName}){Environment.NewLine}" +
$" (resources relateive path: {ResourceRelativePath})");
}
public override string ToString()
{
var startIndex = ResourceRelativePath.LastIndexOf("/") + 1;
var endIndex = ResourceRelativePath.LastIndexOf(".");
return(ResourceRelativePath.Substring(startIndex, endIndex - startIndex).ToTitleCase());
}
public string[] GetGlobalFileLocations(CultureInfo culture)
{
var cultureSuffix = "." + culture.Name;
cultureSuffix = cultureSuffix == "." ? string.Empty : cultureSuffix;
if (LocalizerUtil.IsChildCulture(DefaultCulture.UICulture, culture) || LocalizerUtil.IsChildCulture(culture, DefaultCulture.UICulture))
{
cultureSuffix = string.Empty;
}
var cacheName = "global";
cacheName += string.IsNullOrEmpty(cultureSuffix) ? ".default" : cultureSuffix;
string root = _app.ContentRootPath;
if (!string.IsNullOrEmpty(ResourceRelativePath))
{
root = Path.Combine(root, ResourceRelativePath.Trim('/', '\\'));
}
var resourceBaseName = GlobalName;
var resourceFileLocations = LocalizerUtil.ExpandPaths(resourceBaseName, _app.ApplicationName).ToList();
return(resourceFileLocations.Select(resourceFileLocation => resourceFileLocation + cultureSuffix + ".json")
.Select(resourcePath => Path.Combine(root, resourcePath))
.ToArray());
}
public JsonGlobalResources(IHostingEnvironment hostingEnvironment,
IOptions <JsonLocalizationOptions> options,
RequestCulture defaultCulture,
ILoggerFactory loggerFactory)
{
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
_options = options.Value;
_app = hostingEnvironment ?? throw new ArgumentNullException(nameof(hostingEnvironment));
GlobalName = _options.GlobalResourceFileName ?? "global";
AreaName = _options.AreasResourcePrefix ?? "areas";
DefaultCulture = defaultCulture ?? throw new ArgumentNullException(nameof(defaultCulture));
_logger = loggerFactory.CreateLogger <JsonGlobalResources>();
ResourceRelativePath = _options.ResourcesPath ?? string.Empty;
if (!string.IsNullOrEmpty(ResourceRelativePath))
{
ResourceRelativePath = ResourceRelativePath.Replace(Path.AltDirectorySeparatorChar, '.').Replace(Path.DirectorySeparatorChar, '.');
}
}
public string[] GetAreaFileLocations(CultureInfo culture, string areaName)
{
if (string.IsNullOrEmpty(areaName?.Trim()))
{
throw new ArgumentNullException(nameof(areaName));
}
var cultureSuffix = "." + culture.Name;
cultureSuffix = cultureSuffix == "." ? string.Empty : cultureSuffix;
if (LocalizerUtil.IsChildCulture(DefaultCulture.UICulture, culture) || LocalizerUtil.IsChildCulture(culture, DefaultCulture.UICulture))
{
cultureSuffix = string.Empty;
}
var areaSuffix = $".{areaName}";
var cacheName = $"{AreaName}{areaSuffix}";
cacheName += string.IsNullOrEmpty(cultureSuffix) ? ".default" : cultureSuffix;
string root = _app.ContentRootPath;
if (!string.IsNullOrEmpty(ResourceRelativePath))
{
root = Path.Combine(root, ResourceRelativePath.Trim('/', '\\'));
}
var resourceBaseName = AreaName;
var resourceFileLocations = LocalizerUtil.ExpandPaths(resourceBaseName, _app.ApplicationName).ToList();
return(resourceFileLocations.Select(resourceFileLocation => resourceFileLocation + areaSuffix + cultureSuffix + ".json")
.Select(resourcePath => Path.Combine(root, resourcePath))
.ToArray());
}
public JsonDocument GetAreaResources(CultureInfo culture, string areaName)
{
if (string.IsNullOrEmpty(areaName?.Trim()))
{
throw new ArgumentNullException(nameof(areaName));
}
var cultureSuffix = "." + culture.Name;
cultureSuffix = cultureSuffix == "." ? string.Empty : cultureSuffix;
if (LocalizerUtil.IsChildCulture(DefaultCulture.UICulture, culture) || LocalizerUtil.IsChildCulture(culture, DefaultCulture.UICulture))
{
cultureSuffix = string.Empty;
}
var areaSuffix = $".{areaName}";
var cacheName = $"{AreaName}{areaSuffix}";
cacheName += string.IsNullOrEmpty(cultureSuffix) ? ".default" : cultureSuffix;
var lazyJObjectGetter = new Lazy <JsonDocument>(
() =>
{
_logger.LogDebug_Localizer($"Resource file content not found in cache ({cacheName}), try to load from file.");
string root = _app.ContentRootPath;
if (!string.IsNullOrEmpty(ResourceRelativePath))
{
root = Path.Combine(root, ResourceRelativePath.Trim('/', '\\'));
}
_logger.LogDebug_Localizer($"Looking for resource files in {root}");
var resourceBaseName = AreaName;
var resourceFileLocations = LocalizerUtil.ExpandPaths(resourceBaseName, _app.ApplicationName).ToList();
string resourcePath = null;
foreach (var resourceFileLocation in resourceFileLocations)
{
resourcePath = resourceFileLocation + areaSuffix + cultureSuffix + ".json";
resourcePath = Path.Combine(root, resourcePath);
if (File.Exists(resourcePath))
{
_logger.LogDebug_Localizer($"Resource file found: {resourcePath}");
break;
}
else
{
_logger.LogDebug_Localizer($"Resource file not found: {resourcePath}");
resourcePath = null;
}
}
if (resourcePath == null)
{
_logger.LogWarning_Localizer($"There is no resource file found for {resourceBaseName}");
return(null);
}
try
{
var resourceFileStream = new FileStream(resourcePath, FileMode.Open, FileAccess.Read, FileShare.Read, 4096, FileOptions.Asynchronous | FileOptions.SequentialScan);
using (resourceFileStream)
{
var content = JsonDocument.Parse(resourceFileStream);
_logger.LogInformation_Localizer($"Resource file content loaded: {resourcePath}");
return(content);
}
}
catch (Exception ex)
{
_logger.LogError_Localizer(ex, $"Error while loading resource file: {ex.Message} ({resourcePath})");
return(null);
}
}, LazyThreadSafetyMode.ExecutionAndPublication);
_logger.LogInformation_Localizer($"Trying to load resource file content from cache {cacheName}.");
lazyJObjectGetter = _resources.GetOrAdd(cacheName, lazyJObjectGetter);
return(lazyJObjectGetter.Value);
}
