HOW to read file using ftp???

Question

Hi to all,
I have problem with reading file using ftp connection, i want to read only 1024 bytes for one time, and i have
next code wich read this:
byte buffer[] = new byte[1024];
while( (readCount = input.read(buffer)) > 0) {
bos.write(buffer, 0, readCount);
but I dont know how to put all read data in one byte[] if i dont know length of file.
I can't do some like: byte file[] = new file[1000000];
Thanks for all sugestions!

Answer 1

      * Download a file from a FTP server. A FTP URL is generated with the following syntax:
     * <code>ftp://user:password@host:port/filePath;type=i</code>.
      * @param ftpServer FTP server address (incl. optional port ':portNumber').
      * @param user Optional user name to login.
      * @param pwd Optional password for <i>user</i>.
      * @param fileName Name of file to download (with optional preceeding relative path, e.g. one/two/three.txt).
      * @param destination Destination file to save.
     * @throws MalformedURLException, IOException on error.
     public void download(String ftpServer, String user, String pwd, String fileName, File destination) throws MalformedURLException, IOException {
        if (ftpServer != null && fileName != null && destination != null) {
            StringBuffer sb = new StringBuffer("ftp://");
            if (user != null && pwd != null) { //need authentication?
                sb.append(user);
                sb.append(':');
                sb.append(pwd);
                sb.append('@');
            }//else: anonymous access
            sb.append(ftpServer);
            sb.append('/');
            sb.append(fileName);
            sb.append(";type=i"); //a=ASCII mode, i=image (binary) mode, d= file directory listing
            BufferedInputStream bis = null;
            BufferedOutputStream bos = null;
            try {
                URL url = new URL(sb.toString());
                URLConnection urlc = url.openConnection();
                bis = new BufferedInputStream(urlc.getInputStream());
                bos = new BufferedOutputStream(new FileOutputStream(destination.getName()));
                int i;
                while ((i = bis.read()) != -1) { //read next byte until end of stream
                    bos.write(i);
                }//next byte
            } finally {
                if (bis != null) try { bis.close(); } catch (IOException ioe) { /* ignore*/ }
                if (bos != null) try { bos.close(); } catch (IOException ioe) { /* ignore*/ }
        }//else: input unavailable
    }//download()If you don't want to strore the data into a file, use ByteArrayOutputStream instead of a FileOutputStream.