Compress object and decompress : Zip Tar File « File Input Output « Java

Compress object and decompress



public class Util {
  public static byte[] compress(Object data) {
    if (data == null) {
      return null;
    try {
      ByteArrayOutputStream baos = new ByteArrayOutputStream();
      GZIPOutputStream gout = new GZIPOutputStream(baos);
      ObjectOutputStream oos = new ObjectOutputStream(gout);
      return baos.toByteArray();
    } catch (Exception e) {
    return null;

    public static Object decompress(byte[] data)
      if (data == null) {
        return null;
      try {
        ByteArrayInputStream bais = new ByteArrayInputStream(data);
        GZIPInputStream gin = new GZIPInputStream(bais);
        ObjectInputStream ois = new ObjectInputStream(gin);
        return ois.readObject();
      } catch (Exception e) {
      return null;


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