import  org.apache.tools.zip.ZipFile;
 import  org.apache.tools.zip.ZipEntry;

 import  java.io.*;
 import  java.util.Enumeration;


 public   class  Arch {
      private   static   final   int  BLOCK_SIZE =  1024 ;
       public   static   void  main(String args[]) {
          String path =  null ;
         try  {
            ZipFile zipfile =  new  ZipFile ("c:/all.zip");
            Enumeration entries = zipfile.getEntries();

             while  (entries.hasMoreElements())
            {
                ZipEntry zipentry = (ZipEntry)entries.nextElement();
                String zipEntryName = zipentry.getName();
                zipEntryName = zipEntryName.replace('/', File.separatorChar);
                zipEntryName = zipEntryName.replace('\\', File.separatorChar);

                System.out.println( "name = " + zipEntryName);


                 if  (zipentry.isDirectory())
                {
                    File unzip =  new  File("c:/", zipEntryName);
                    unzip.mkdir();

                }  else 
                {
                    InputStream is  = zipfile.getInputStream(zipentry);
                    System.out.println( "name = " + zipEntryName);
                    File unzippedFile =  new  File("c:/", zipEntryName);
                    unzippedFile.getParentFile().mkdirs();
                    FileOutputStream fos =  new  FileOutputStream(unzippedFile);

                     int  n =  0 ;
                     byte [] rgb  =  new   byte [BLOCK_SIZE];

                     while  ( (n = is.read(rgb)) != - 1 ) {
                        fos.write(rgb,  0 , n);
                    }

                    is.close();
                    fos.flush();
                    fos.close();
                     if  ((unzippedFile.getName().indexOf(".xml")!=- 1 ))
                    {
                         if (unzippedFile.getName().equalsIgnoreCase("description.xml"))
                        {
                             if  (path== null )
                            {
                                path = unzippedFile.getAbsolutePath();
                            }
                        }
                         else 
                        {
                             if  (path== null )

                            {
                                path = unzippedFile.getAbsolutePath();
                            }
                        }                                                 
                    }
                }
            }
            zipfile.close();

        } catch  (Exception e)
        {
            e.printStackTrace();

        }
    }
}