1 /*
2 * Copyright 2009 Red Hat, Inc.
3 *
4 * Red Hat licenses this file to you under the Apache License, version 2.0
5 * (the "License"); you may not use this file except in compliance with the
6 * License. You may obtain a copy of the License at:
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13 * License for the specific language governing permissions and limitations
14 * under the License.
15 */
16 package org.jboss.netty.handler.codec.compression;
17
18 /**
19 * The container file formats that wrap the stream compressed by the DEFLATE
20 * algorithm.
21 *
22 * @author <a href="http://www.jboss.org/netty/">The Netty Project</a>
23 * @author <a href="http://gleamynode.net/">Trustin Lee</a>
24 * @version $Rev: 2080 $, $Date: 2010-01-26 18:04:19 +0900 (Tue, 26 Jan 2010) $
25 */
26 public enum ZlibWrapper {
27 /**
28 * The ZLIB wrapper as specified in <a href="http://tools.ietf.org/html/rfc1950">RFC 1950</a>.
29 */
30 ZLIB,
31 /**
32 * The GZIP wrapper as specified in <a href="http://tools.ietf.org/html/rfc1950">RFC 1952</a>.
33 */
34 GZIP,
35 /**
36 * Raw DEFLATE stream only (no header and no footer).
37 */
38 NONE,
39 /**
40 * Try {@link #ZLIB} first and then {@link #NONE} if the first attempt fails.
41 * Please note that you can specify this wrapper type only when decompressing.
42 */
43 ZLIB_OR_NONE;
44 }