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1   /*
2    * Copyright 2016 Codehaus.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.codehaus.plexus.archiver.xz;
17  
18  import java.io.File;
19  import java.io.FileInputStream;
20  import java.io.IOException;
21  import java.io.InputStream;
22  import java.util.HashMap;
23  import org.codehaus.plexus.components.io.attributes.FileAttributes;
24  import org.codehaus.plexus.components.io.attributes.PlexusIoResourceAttributes;
25  import org.codehaus.plexus.components.io.resources.PlexusIoCompressedFileResourceCollection;
26  import org.codehaus.plexus.util.IOUtil;
27  
28  /**
29   * @author lore
30   * @since 3.3
31   */
32  public class PlexusIoXZResourceCollection extends PlexusIoCompressedFileResourceCollection
33  {
34  
35      @Override
36      protected PlexusIoResourceAttributes getAttributes( File file ) throws IOException
37      {
38          return new FileAttributes( file, new HashMap<Integer, String>(), new HashMap<Integer, String>() );
39      }
40  
41      @Override
42      protected String getDefaultExtension()
43      {
44          return ".xz";
45      }
46  
47      @Override
48      protected InputStream getInputStream( File file ) throws IOException
49      {
50          FileInputStream fileIs = new FileInputStream( file );
51          try
52          {
53              final InputStream result = XZUnArchiver.getXZInputStream( fileIs );
54              fileIs = null;
55              return result;
56          }
57          finally
58          {
59              IOUtil.close( fileIs );
60          }
61      }
62  
63  }