public GettextFilesystemFactory(string poDirectory, LocaleFileOrganizationEnum fileOrganization)
: this()
{
if (poDirectory == null) throw new ArgumentNullException("poDirectory");
this.poDirectory = poDirectory;
this.fileOrganization = fileOrganization;
if (string.IsNullOrWhiteSpace(poDirectory)) throw new GettextException("Missing directory parameter");
var d = new DirectoryInfo(poDirectory);
if (!d.Exists) throw new GettextException("Directory doesn't exist!");
// initial load
{
var c = LoadAllLanguages(d, fileOrganization);
lock (lockObject)
{
LoadIntoCatalogs(c, catalogs);
}
}
// filesystem watcher
{
var includeSubdirectories = false;
var filePattern = "*.po";
if (fileOrganization == LocaleFileOrganizationEnum.DirectoryPerLocale)
{
filePattern = "messages.po";
includeSubdirectories = true;
}
// init
fileSystemWatcher = new FileSystemWatcher(d.FullName, filePattern);
fileSystemWatcher.NotifyFilter = NotifyFilters.LastWrite | NotifyFilters.FileName | NotifyFilters.DirectoryName;
fileSystemWatcher.IncludeSubdirectories = includeSubdirectories;
fileSystemWatcher.Changed += FileSystemWatcherEventHandler;
fileSystemWatcher.Created += FileSystemWatcherEventHandler;
fileSystemWatcher.Deleted += FileSystemWatcherEventHandler;
fileSystemWatcher.Renamed += FileSystemWatcherEventHandler;
fileSystemWatcher.EnableRaisingEvents = true;
}
}
private static LanguageTranslation LoadCatalog(FileInfo f, LocaleFileOrganizationEnum fileOrganization)
{
if (f == null) throw new ArgumentNullException("f");
if (!f.Exists) throw new GettextException("File " + f.FullName + " doesn't exist anymore!");
string langId = null;
if (fileOrganization == LocaleFileOrganizationEnum.FilePerLocale)
{
langId = f.Name.Replace(".po", "").Trim();
} else
{
if (f.Directory != null) langId = f.Directory.Name.Trim();
}
if (langId == null) throw new GettextException("Language id for file " + f.FullName + " can't be determined.");
using (var fs = f.OpenRead())
{
var catalog = GettextCatalog.ParseFromStream(fs);
CultureInfo cultureInfo;
try
{
cultureInfo = CultureInfo.GetCultureInfo(langId);
}
catch (Exception)
{
cultureInfo = CultureInfo.InvariantCulture;
}
var lt = new LanguageTranslation(langId, new Gettext(catalog), cultureInfo);
return lt;
}
}
private static List<LanguageTranslation> LoadAllLanguages(DirectoryInfo d, LocaleFileOrganizationEnum fileOrganization)
{
if (d == null) throw new ArgumentNullException("d");
if (!d.Exists) throw new GettextException("Directory " + d.FullName + " doesn't exist!");
var f = d.GetFiles(fileOrganization == LocaleFileOrganizationEnum.FilePerLocale ? "*.po" : "messages.po",
fileOrganization == LocaleFileOrganizationEnum.FilePerLocale ? SearchOption.TopDirectoryOnly : SearchOption.AllDirectories);
return f.Select(info => LoadCatalog(info, fileOrganization)).ToList();
}
