How to store the attchment mails

Question

Hello
I tried to run the java mail code which actually have to find for attachment mails , then it moves them into specific folder. but i failed to do it. it does throw the erro as Null
below is my code
public void saveFile(String filename)
               // from saveFile()
               String folderPath="c:\\mail\\attach";
               File file = new File(folderPath + File.separator + "attach");
               for (int i=0; file.exists(); i++) {
                 file = new File("attach"+i);
      }please give me some hint soon
regards

Answer 1

inside main method i have the following code
        try{
               for(int j = 0 ;j < msgs.length;++j)
               Multipart mp = (Multipart)msgs[j].getContent();
               for (int i=0, n=mp.getCount(); i<n; i++) {
                 Part part = mp.getBodyPart(i);
                 String disposition = part.getDisposition();
                 if ((disposition != null) && (disposition.equals(Part.ATTACHMENT)) ||
                       (disposition.equals(Part.INLINE)))
                    saveFile(part.getFileName());
}catch(Exception e){System.out.println("Error:"+e.getMessage());}