How to get direct of a folder within docroot/

[Nguyen Chuong, geändert vor 12 Jahren.]

hello every body !
i have a project as folowing :




and now, i want to load all folder in newsmain folder , i done as below:
<%
String url = request.getContextPath()+"/html/newsmain";
File f = new File(url);
System.out.println(f.isDirectory());
%>

i want f is a folder and print 'true', but here print 'false' . maybe I got direct is false.
how to I get direct to newsmain folder ?
thanks.

[Nguyen Van Chuong, geändert vor 12 Jahren.]

hihi, i have done !
this is my code i have done. i hope it will help for somebody .

                        List<string> displayWays = new ArrayList<string>();
			
			String path = getPortletContext().getRealPath("/html/newsmain");
			File F = new File(path);
			File[] subF = F.listFiles();
			for(File subFTemp : subF) {
				if(subFTemp.isDirectory()) {
					displayWays.add(subFTemp.getName());
				}
			}
</string></string>