Zipping a folder which contains subfolders

public static void main(String argv[]) {
    try {
        String date = new java.text.SimpleDateFormat("MM-dd-yyyy")
                .format(new java.util.Date());
        File inFolder = new File("Output/" + date + "_4D");
        File outFolder = new File("Output/" + date + "_4D" + ".zip");
        ZipOutputStream out = new ZipOutputStream(new BufferedOutputStream(
                new FileOutputStream(outFolder)));
        BufferedInputStream in = null;
        byte[] data = new byte[1000];
        String files[] = inFolder.list();
        for (int i = 0; i < files.length; i++) {
            in = new BufferedInputStream(new FileInputStream(
                    inFolder.getPath() + "/" + files[i]), 1000);
            out.putNextEntry(new ZipEntry(files[i]));
            int count;
            while ((count = in.read(data, 0, 1000)) != -1) {
                out.write(data, 0, count);
            }
            out.closeEntry();
        }
        out.flush();
        out.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

I'm trying to zip a folder which contains subfolders. Trying to zip the folder named 10-18-2010_4D.The above program ends with the following exception. Please advise on how to clear the issue.

java.io.FileNotFoundException: Output\10-18-2010_4D\4D (Access is denied)
    at java.io.FileInputStream.open(Native Method)
    at java.io.FileInputStream.<init>(Unknown Source)
    at java.io.FileInputStream.<init>(Unknown Source)
    at ZipFile.main(ZipFile.java:17)

java zip

Edit Report

private void zipFiles (ArrayList listWithFiles, String zipName) {
    try {

        byte[] buffer = new byte[1024];

        // create object of FileOutputStream
        FileOutputStream fout = new FileOutputStream(zipName);

        // create object of ZipOutputStream from FileOutputStream
        ZipOutputStream zout = new ZipOutputStream(fout);

        for (String currentFile : listWithFiles) {

            // create object of FileInputStream for source file
            FileInputStream fin = new FileInputStream(currentFile);

            // add files to ZIP
            zout.putNextEntry(new ZipEntry(currentFile ));

            // write file content
            int length;

            while ((length = fin.read(buffer)) > 0) {
                zout.write(buffer, 0, length);
            }

            zout.closeEntry();

            // close the InputStream
            fin.close();
        }

        // close the ZipOutputStream
        zout.close();
    } catch (IOException ioe) {
        System.out.println("IOException :" + ioe);
    }
}

answered 2011-04-05T15:44:12.083

Zipping a folder which contains subfolders

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