Esempio n. 1
0
  public static String zip(String param) {
    try {
      byte[] unzip = param.getBytes("UTF-8");

      ByteArrayInputStream bif = new ByteArrayInputStream(unzip);
      ByteArrayOutputStream zipbof = new ByteArrayOutputStream();
      //			DeflaterOutputStream dos = new DeflaterOutputStream(zipbof);
      GZIPOutputStream gos = new GZIPOutputStream(zipbof);
      int position = 0;

      for (int read_byte = 0; (read_byte = bif.read()) != -1; position++) {
        //				dos.write(read_byte);
        gos.write(read_byte);
      }

      //			dos.finish();
      gos.finish();
      zipbof.flush();

      byte[] zipbyteArray = zipbof.toByteArray();
      //			return new sun.misc.BASE64Encoder().encode(zipbyteArray);
      return Base64.encodeBase64String(zipbyteArray);
    } catch (Exception ex) {
      return null;
    }
  }
Esempio n. 2
0
  public static String unzip(String param) {
    try {
      //			byte[] zipArray = new sun.misc.BASE64Decoder().decodeBuffer(param);
      byte[] zipArray = Base64.decodeBase64(param);

      ByteArrayInputStream bif = new ByteArrayInputStream(zipArray);
      //			InflaterInputStream iis = new InflaterInputStream(bif);
      GZIPInputStream gis = new GZIPInputStream(bif);
      ByteArrayOutputStream unZipbof = new ByteArrayOutputStream();
      int position = 0;
      //			for (int read_byte = 0; (read_byte = iis.read()) != -1; position++) {
      for (int read_byte = 0; (read_byte = gis.read()) != -1; position++) {
        unZipbof.write(read_byte);
      }
      unZipbof.flush();

      byte[] unZipbyteArray = unZipbof.toByteArray();
      String returnUnZipString = new String(unZipbyteArray, "UTF-8");
      return returnUnZipString;
    } catch (Exception ex) {
      return null;
    }
  }