Problem with Unzipping

[Sanny kumar]

Hi Guys,
i have a directory.in tht directory there are many ZIP files.i want to extract all the files frm tht zip file.

my main aim is to extract all the files if a directory name is given..

i m getting exception like this:
java.util.zip.ZipException: The system cannot find the file specified

the code is all follows:

 
import java.io.*;
import java.util.zip.*;
import java.util.*;
 
public class Unzip1 {
   static final int BUFFER = 4096;
   public static final int BUF_SIZE = 8192;
   public static  void main(String args[])
      {
      try
         {
         File dir = new File(args[0]);
         String[] children = dir.list();
         for (int i=0; i<children.length; i++) {
            System.out.println(children[i]);         
            Unzipme(children[i]);
         }//forloop
      }//try
      catch(Exception e)
      {
         System.out.println("Exception"+e);
      }//catch
   }//static
 
   public  static void Unzipme(String fname)
   {
      System.out.println(fname);
      try {
         BufferedOutputStream dest = null;
         BufferedInputStream is = null;
         ZipEntry entry;
         ZipFile zipfile = new ZipFile(fname);
         Enumeration e = zipfile.entries();
         while(e.hasMoreElements()) {
            entry = (ZipEntry) e.nextElement();
            System.out.println("Extracting: " +entry);
            is = new BufferedInputStream
              (zipfile.getInputStream(entry));
            int count;
            byte data[] = new byte[BUFFER];
            FileOutputStream fos = new 
              FileOutputStream(entry.getName());
            dest = new 
              BufferedOutputStream(fos, BUFFER);
            while ((count = is.read(data, 0, BUFFER)) != -1) {
               dest.write(data, 0, count);
            }
            dest.flush();
            dest.close();
            is.close();
         }
      } catch(Exception e) {
         e.printStackTrace();
      }
   }
}//class

JE: added code tags to preserve formatting
[ December 13, 2005: Message edited by: Joe Ess ]

[Ernest Friedman-Hill]

That error you give is the first line of the stack trace that gets printed. One of the next few lines will show you the exact line number where the error occurs in your program. If that's not a help to you, it would certainly be to us -- so please let us know exactly which line in your program is causing this error.

[Sanny kumar]

Hi

after the filename is passed to the static method.
i m getting the file name when i do System.out.println(fname);

after the next line i m getting error


Thanks in advance

[Ernest Friedman-Hill]

That file.list() call is going to return the names of the files in that directory, but unless that directory is the current directory, the ZipFile constructor won't be able to find them. Instead of using list() use listFiles(), which returns File object instead of Strings, and pass aFile.getAbsolutePath() to Unzipme() (or change Unzipme() to take a File argument, and just pass the File.)