Ejemplo n.º 1
0
  /**
   * See {@link #zipDirectory(File, ZipOutputStream, FilenameFilter)}, this version handles the
   * prefix needed to recursively zip data preserving the relative path of each
   */
  private static void zipDirectory(
      File directory, String prefix, ZipOutputStream zipout, final FilenameFilter filter)
      throws IOException, FileNotFoundException {
    File[] files = directory.listFiles(filter);
    // copy file by reading 4k at a time (faster than buffered reading)
    byte[] buffer = new byte[4 * 1024];
    for (File file : files) {
      if (file.exists()) {
        if (file.isDirectory()) {
          // recurse and append
          zipDirectory(file, prefix + file.getName() + "/", zipout, filter);
        } else {
          ZipEntry entry = new ZipEntry(prefix + file.getName());
          zipout.putNextEntry(entry);

          InputStream in = new FileInputStream(file);
          int c;
          try {
            while (-1 != (c = in.read(buffer))) {
              zipout.write(buffer, 0, c);
            }
            zipout.closeEntry();
          } finally {
            in.close();
          }
        }
      }
    }
    zipout.flush();
  }
Ejemplo n.º 2
0
 /**
  * Zips up the directory contents into the specified {@link ZipOutputStream}.
  *
  * <p>Note this method does not take ownership of the provided zip output stream, meaning the
  * client code is responsible for calling {@link ZipOutputStream#finish() finish()} when it's done
  * adding zip entries.
  *
  * @param directory The directory whose contents have to be zipped up
  * @param zipout The {@link ZipOutputStream} that will be populated by the files found
  * @param filter An optional filter that can be used to select only certain files. Can be null, in
  *     that case all files in the directory will be zipped
  * @throws IOException
  * @throws FileNotFoundException
  */
 public static void zipDirectory(
     File directory, ZipOutputStream zipout, final FilenameFilter filter)
     throws IOException, FileNotFoundException {
   zipDirectory(directory, "", zipout, filter);
 }