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