Java - Abrir ficheiros zip dentro de zip (recursivo)

      

   FileInputStream zf = new FileInputStream(zipFileName.toString());

                        ZipInputStream zipFile = new ZipInputStream(new BufferedInputStream(zf));

            parseZipFile(zipFile, granularity);                                          

                        ...

       

                       

private void parseZipFile(ZipInputStream zIS, PmGranularity granularity){

ZipEntry ze;

                                while((ze = zIS.getNextEntry()) != null){

                                String fname = ze.getName();

                                if (fname.endsWith(".zip")) {                  

                                        parseZipFile(new ZipInputStream(new ZipClose(zIS)), granularity);

                                        continue;

                                }      

                               

                                //DO SOMETHING LIKE PARSING TEXT FILES

                               

                                zIS.closeEntry();

                        }

                    zIS.close();

}              

private final class ZipClose extends java.io.FilterInputStream {

            public ZipClose(ZipInputStream is) {

                super(is);

            }

            @Override

            public void close() throws IOException {

                ((ZipInputStream) in).closeEntry();

            }

        }