buffered_reader_issue_appengine

public void doPost(HttpServletRequest req, HttpServletResponse res)
              throws ServletException, IOException {
            try {
              ServletFileUpload upload = new ServletFileUpload();
              res.setContentType("text/plain");

              FileItemIterator iterator = upload.getItemIterator(req);
              BufferedReader reader = null;
              String themeName = null;

              while (iterator.hasNext()) {

                FileItemStream item = iterator.next();
                InputStream stream = item.openStream();

                if (item.isFormField()) {
                  //regular form field
                  //res.getWriter().println(("Form:" + name + " : " + Streams.asString(stream)));

                    String fieldName = item.getFieldName();
                    String fieldValue = Streams.asString(stream);
                    //System.out.println("fieldName: " + fieldName + "\nfieldValue: " + fieldValue);

                    themeName = fieldValue.trim().toLowerCase().replaceAll("\\s", "");
                    //System.out.println("\n themeName: " + themeName);

                }else {
                  //fileform field
                    System.out.println("got a file form field");
                    reader = new BufferedReader(new InputStreamReader(stream));
                    //fileExtract(reader);
                }

              }//close while loop

              //System.out.println("\n themeName: " + themeName + "\nreader: " + reader.toString());
              fileExtract(reader, themeName);

            } catch (Exception ex) {
              throw new ServletException(ex);
            }
        }


public void fileExtract(BufferedReader reader, String themeName) {

        try {

            String line;
            int counter = 0;
            String titlePattern = "#";

            // create a hashmap
            HashMap<String, String> verse = new HashMap<String, String>();

            while ((line = reader.readLine()) != null) {
                line = line.trim();
                if (line.equals("")) {
                    continue;
                }

                if (findPatter(line, titlePattern)) {
                    counter = 1;
                    // remove the hash symbol
                    line = line.replaceAll("#", "");
                    // System.out.println(line);
                }

                String key = null;
                if (counter == 1) {
                    key = "verseTitle";
                } else if (counter == 2) {
                    key = "verseRef";
                } else if (counter == 3) {
                    key = "verseBody";
                }

                verse.put(key, line);

                // System.out.println("Counter: " + counter);
                // System.out.println(line);

                counter++;
                if (counter == 4) {
                    // reset the counter
                    counter = 1;
                    // store the verse details
                    saveVerse(verse, entityKind);
                    // clear the hashmap
                    verse.clear();
                }

            }

        } catch (FileNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

    }