import java.io.File;
import java.io.IOException;
public class Main {
public static boolean isFilenameValid(String file) {
File f = new File(file);
try {
f.getCanonicalPath();
return true;
}
catch (IOException e) {
return false;
}
}
public static void main(String args[]) throws Exception {
// true
System.out.println(FileUtils.isFilenameValid("asdf.txt"));
//false
System.out.println(FileUtils.isFilenameValid("test.T*T"));
}
}