static   public   void  zipDir(String dirName, String zipName) {
         try  {
            //create a ZipOutputStream to zip the data to
            ZipOutputStream zos =  new  ZipOutputStream( new  FileOutputStream(zipName));
            //assuming that there is a directory named inFolder (If there
            //isn't create one) in the same directory as the one the code     runs from,
            //call the zipDir method
            zipDir(dirName, zos);
            //close the stream
            zos.close();
        }  catch  (Exception e) {
            e.printStackTrace();
        }
    }


     public   static   void  zipDir(String dir2zip, ZipOutputStream zos) {
         try  {
            //create a new File object based on the directory we

            File zipDir =  new  File(dir2zip);
            //get a listing of the directory content
            String[] dirList = zipDir.list();
             byte [] readBuffer =  new   byte [ 2156 ];
             int  bytesIn =  0 ;
            //loop through dirList, and zip the files
             for  ( int  i =  0 ; i < dirList.length; i++) {
                File f =  new  File(zipDir, dirList[i]);
                System.out.println(f.getAbsolutePath());
                 if  (f.isDirectory()) {
                    //if the File object is a directory, call this
                    //function again to add its content recursively
                    String filePath = f.getPath();
                    zipDir(filePath, zos);
                    //loop again
                     continue ;
                }
                //if we reached here, the File object f was not a directory
                //create a FileInputStream on top of f
                FileInputStream fis =  new  FileInputStream(f);
                //create a new zip  entry
                ZipEntry anEntry =  new  ZipEntry(f.getPath());
                //place the zip entry in the ZipOutputStream object
                zos.putNextEntry(anEntry);
                //now write the content of the file to the ZipOutputStream
                 while  ((bytesIn = fis.read(readBuffer)) != - 1 ) {
                    zos.write(readBuffer,  0 , bytesIn);
                }
                //close the Stream
                fis.close();
            }
        }  catch  (Exception e) {
            //handle exception
        }
    }

 ZipEntry anEntry =  new  ZipEntry(f.getPath().substring(f.getPath().indexOf(File.separatorChar)+ 1  ));