title: InputStream from relative path
body: <p>I have a <strong>relative file path</strong> (for example &quot;/res/example.xls&quot;) and I would like to get an <strong>InputStream</strong> Object of that file from that path.</p>
  <p>I checked the <code>JavaDoc</code> and did not find a constructor or method to get such an InputStream from a path/</p>
  <p>Anyone has any idea? Please let me know!</p>