/*
 * Copyright 2009 Red Hat, Inc.
 *
 * Red Hat licenses this file to you under the Apache License, version 2.0
 * (the "License"); you may not use this file except in compliance with the
 * License.  You may obtain a copy of the License at:
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */
package org.jboss.netty.handler.codec.compression;

/**
 * The container file formats that wrap the stream compressed by the DEFLATE
 * algorithm.
 *
 * @author <a href="http://www.jboss.org/netty/">The Netty Project</a>
 * @author <a href="http://gleamynode.net/">Trustin Lee</a>
 * @version $Rev: 2080 $, $Date: 2010-01-26 18:04:19 +0900 (Tue, 26 Jan 2010) $
 */
public enum ZlibWrapper {
    /**
     * The ZLIB wrapper as specified in <a href="http://tools.ietf.org/html/rfc1950">RFC 1950</a>.
     */
    ZLIB,
    /**
     * The GZIP wrapper as specified in <a href="http://tools.ietf.org/html/rfc1950">RFC 1952</a>.
     */
    GZIP,
    /**
     * Raw DEFLATE stream only (no header and no footer).
     */
    NONE,
    /**
     * Try {@link #ZLIB} first and then {@link #NONE} if the first attempt fails.
     * Please note that you can specify this wrapper type only when decompressing.
     */
    ZLIB_OR_NONE;
}
