public override object GetMetaData(IFile file)
{
if (file == null || file.Name == null)
{
return(null);
}
var descriptor = file.ExtensibleTag.GetInstance <ICategoryDescriptor>(Constants.FileTag_CategoryDescriptor);
if (descriptor == null || descriptor.IsExpired)
{
descriptor = NameCategoryService.GetNameCategory(file.Name);
if (descriptor != null)
{
file.ExtensibleTag.SetInstance(descriptor, Constants.FileTag_CategoryDescriptor);
return($"{descriptor.CategoryName}-{descriptor.Key}");
}
}
else
{
return($"{descriptor.CategoryName}-{descriptor.Key}");
}
return(null);
}
public void TestGetKeyPair()
{
var pair = NameCategoryService.GetNameCategory("thumbcache_96.db");
Assert.IsNotNull(pair);
Assert.IsFalse(pair.IsExpired);
Assert.AreEqual(pair.CategoryName, "Windows 7缩略图");
}
public void TestExpired()
{
var pair = NameCategoryService.GetNameCategory("thumbcache_96.db");
Assert.IsNotNull(pair);
Assert.IsFalse(pair.IsExpired);
NameCategoryService.LoadDescriptorsFromFile("D:\\SingularitySolution\\SingularityForensic\\FileExplorer\\File Type Categories.txt");
Assert.IsTrue(pair.IsExpired);
}
private void Button_Click(object sender, RoutedEventArgs e)
{
var file = DialogService.Current.OpenFile();
if (string.IsNullOrEmpty(file))
{
return;
}
//NameCategoryService.LoadDescriptorsFromFile("E://anli/File Type Categories.txt");
NameCategoryService.LoadDescriptorsFromFile(file);
}
private static void LoadCategoryNameDescriptors()
{
var fileName = DialogService.Current.OpenFile();
if (string.IsNullOrEmpty(fileName))
{
return;
}
try {
NameCategoryService.LoadDescriptorsFromFile(fileName);
}
catch (Exception ex) {
LoggerService.WriteException(ex);
MsgBoxService.Current.Show(ex.Message);
}
}
private void Button_Click_1(object sender, RoutedEventArgs e)
{
NameCategoryService.LoadDescriptorsFromFile("E://anli/1.txt");
}
public void TestLoadKeyPairFrom()
{
NameCategoryService.LoadDescriptorsFromFile("D:\\SingularitySolution\\SingularityForensic\\FileExplorer\\File Type Categories.txt");
}
