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}