Get directory listing or files contained in a folder which is placed on a s

Hello,
I want to get the directory listing of a particular folder say 'xyz' which is placed on the server.
I am using tomcat. I want to use Http to do it. How do it do it.
Please guide.
Regards,
JAVA_student

JAVA_student ,
as pointed out file list is (in productional environments) usually turned off for security reasons.
But I had a similiar requirement to the one you posted. I had a directory with thousands of image files with the name pattern <id>.jpg and the id's stored in a database. Not for every id in the database there existed a file. I wanted to show an image or in case the image file did not exist a default jpg. I could not set the error pages in web.xml to do it.
So I had to take the id (a parameter in the request to the servlet I wrote for that), had to concat it with the 'virtual' directory name used in the applicationserver for the img directory. Then I had to check the existance of the file and to load it it and display it, if it existed otherwise I had to load and display the default picture.
The problem is similiar to yours as the problem basically is to map a directory in a web application to a real directory in a filesystem (which works for files and directories.
The answer is use getRealPath(String) of the ServletContext-object.
Note: This only allows access to files and directories in the web application.
e.g.
http://www.theserver.com/mywebapp/img/ is a folder containing img files. The server does not allow directory listing.
In a jsp within the application mywebapp you want to show a list of the files in /mywebapp/img/ .
<HTML>
<BODY>
<%
// in a jsp application gives you access to the context
String sRealPath = application.getRealPath("/img") ;
java.io.File fDir = new java.io.File(sRealPath) ;
java.io.File[] allFiles = fDir.listFiles() ;
for (int i = 0 ; i < allFiles.length;i++) {
String sName = allFiles.getName() ;
%>
<%=sName%><br>
<%
%>
</BODY>
</HTML>

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