    001/*
    002 * Licensed to the Apache Software Foundation (ASF) under one
    003 * or more contributor license agreements.  See the NOTICE file
    004 * distributed with this work for additional information
    005 * regarding copyright ownership.  The ASF licenses this file
    006 * to you under the Apache License, Version 2.0 (the
    007 * "License"); you may not use this file except in compliance
    008 * with the License.  You may obtain a copy of the License at
    009 *
    010 * http://www.apache.org/licenses/LICENSE-2.0
    011 *
    012 * Unless required by applicable law or agreed to in writing,
    013 * software distributed under the License is distributed on an
    014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    015 * KIND, either express or implied.  See the License for the
    016 * specific language governing permissions and limitations
    017 * under the License.
    018 */
    019package org.apache.commons.compress.compressors.snappy;
    020
    021/**
    022 * Dialects of the framing format that {@link FramedSnappyCompressorInputStream} can deal with.
    023 * @since 1.12
    024 */
    025public enum FramedSnappyDialect {
    026    /**
    027     * The standard as defined by the <a
    028     * href="https://github.com/google/snappy/blob/master/framing_format.txt">Snappy
    029     * framing format description</a>
    030     */
    031    STANDARD(true, true),
    032    /**
    033     * The format used by Apple's iWork Archives (.iwa files).
    034     */
    035    IWORK_ARCHIVE(false, false);
    036
    037    private final boolean streamIdentifier, checksumWithCompressedChunks;
    038
    039    private FramedSnappyDialect(boolean hasStreamIdentifier,
    040                                boolean usesChecksumWithCompressedChunks) {
    041        this.streamIdentifier = hasStreamIdentifier;
    042        this.checksumWithCompressedChunks = usesChecksumWithCompressedChunks;
    043    }
    044
    045    boolean hasStreamIdentifier() {
    046        return streamIdentifier;
    047    }
    048
    049    boolean usesChecksumWithCompressedChunks() {
    050        return checksumWithCompressedChunks;
    051    }
    052}