src/com/google/typography/font/compression/GzipUtil.java

// Copyright 2011 Google Inc. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

package com.google.typography.font.compression;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.zip.Deflater;
import java.util.zip.DeflaterOutputStream;

/**
 * Simple utility for GZIP compression
 *
 * @author Raph Levien
 */
public class GzipUtil {

  public static byte[] deflate(byte[] bytes) {
    try {
      ByteArrayOutputStream baos = new ByteArrayOutputStream();
      DeflaterOutputStream dos = new DeflaterOutputStream(baos, new Deflater());
      dos.write(bytes, 0, bytes.length);
      dos.close();
      return baos.toByteArray();
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }
}