public void addAttachment(String[] args) throws javax.mail.MessagingException
{
String directory = args[0];
BodyPart messageBodyPart = new MimeBodyPart();

messageBodyPart.setText("Directory: " + directory);

Multipart multipart = new MimeMultipart();
multipart.addBodyPart(messageBodyPart);

File dir = new File(directory);
String list[] = dir.list();

for (int i=0, n=list.length; i
File f = new File(directory+list[i]);
if (f.isFile()) {
System.out.println("Adding: " + list[i]);
messageBodyPart = new MimeBodyPart();
DataSource source = new FileDataSource(directory+list[i]);
messageBodyPart.setDataHandler(new DataHandler(source));
messageBodyPart.setFileName(list[i]);
multipart.addBodyPart(messageBodyPart);
}

message.setContent(multipart);
}
and i used class file like this
String args[]=new String[1];
args[0]="D:/CompassServer/webapps/compass/Material";
Mailer mail = new Mailer();
mail.setSession();
mail.addAttachment(args);
here i am getting attachment as path
D:/CompassServer/webapps/compass/Material like this but i am not getting all files in meterial folde,can anybody give solution