    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 *   https://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 */
    019
    020package org.apache.commons.compress.compressors.pack200;
    021
    022import java.io.IOException;
    023
    024/**
    025 * Enumerates the different modes the Pack200 streams can use to wrap input and output.
    026 *
    027 * @since 1.3
    028 */
    029public enum Pack200Strategy {
    030
    031    /** Cache output in memory. */
    032    IN_MEMORY() {
    033        @Override
    034        AbstractStreamBridge newStreamBridge() {
    035            return new InMemoryCachingStreamBridge();
    036        }
    037    },
    038
    039    /** Cache output in a temporary file. */
    040    TEMP_FILE() {
    041        @Override
    042        AbstractStreamBridge newStreamBridge() throws IOException {
    043            return new TempFileCachingStreamBridge();
    044        }
    045    };
    046
    047    abstract AbstractStreamBridge newStreamBridge() throws IOException;
    048}