Extract documentum Object Ids from log File

This Program can be used to extract documentum object ids from Log File

import java.io.BufferedReader;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;

public class FileOperationToExtractObjectId {
 public static void main(String[] args) throws Exception {
  System.out.println("Start");
  ArrayList idmlist = new ArrayList();
  // Specify the log file from which the ObjectIds are to be extracted
  // below
  FileReader fr = new FileReader("LogFile.log");
  BufferedReader br = new BufferedReader(fr);
  String s = new String("");
  char[] temparr = (char[]) null;
  StringBuffer tempBuff = new StringBuffer("");
  System.out.print("Process   ");
  int countline = 1;
  while ((s = br.readLine()) != null) {
   for (int i = 0; i < s.length() - 1; i++) {

    if ((s.charAt(i) != '0') || (s.charAt(i + 1) != '9'))

     continue;
    tempBuff = new StringBuffer("");
    tempBuff.append("'");
    if (s.charAt(i - 1) == ' ')
     tempBuff.append(s.substring(i, i + 16));
    tempBuff.append("'");
    idmlist.add(tempBuff.toString());
    i += 14;
   }

   if (countline % 5 == 0)
    countline++;
  }
  br.close();
  fr.close();
  Collections.sort(idmlist);
  System.out.println("\nEND [Saved : Idfile.txt]");
  Iterator ite = idmlist.iterator();
  tempBuff = new StringBuffer("");
  String old_id = new String("");
  String id = new String("");
  int count = 0;
  while (ite.hasNext()) {
   id = (String) ite.next();
   if (old_id.equalsIgnoreCase(id)) {
    continue;
   }
   tempBuff.append(id + ",");
   old_id = id;
   count++;
  }
  tempBuff.append("\nTotal Count : " + count);
  FileOutputStream fout = new FileOutputStream("Idfile.txt");
  byte[] buff = tempBuff.toString().getBytes();
  fout.write(buff);
  fout.close();
 }
}