View Javadoc
1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   https://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  
20  package org.apache.commons.compress.compressors.pack200;
21  
22  import java.io.IOException;
23  
24  /**
25   * Enumerates the different modes the Pack200 streams can use to wrap input and output.
26   *
27   * @since 1.3
28   */
29  public enum Pack200Strategy {
30  
31      /** Cache output in memory. */
32      IN_MEMORY() {
33          @Override
34          AbstractStreamBridge newStreamBridge() {
35              return new InMemoryCachingStreamBridge();
36          }
37      },
38  
39      /** Cache output in a temporary file. */
40      TEMP_FILE() {
41          @Override
42          AbstractStreamBridge newStreamBridge() throws IOException {
43              return new TempFileCachingStreamBridge();
44          }
45      };
46  
47      abstract AbstractStreamBridge newStreamBridge() throws IOException;
48  }