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1   /**
2    * This file Copyright (c) 2003-2011 Magnolia International
3    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
4    *
5    *
6    * This file is dual-licensed under both the Magnolia
7    * Network Agreement and the GNU General Public License.
8    * You may elect to use one or the other of these licenses.
9    *
10   * This file is distributed in the hope that it will be
11   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12   * implied warranty of MERCHANTABILITY or FITNESS FOR A
13   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14   * Redistribution, except as permitted by whichever of the GPL
15   * or MNA you select, is prohibited.
16   *
17   * 1. For the GPL license (GPL), you can redistribute and/or
18   * modify this file under the terms of the GNU General
19   * Public License, Version 3, as published by the Free Software
20   * Foundation.  You should have received a copy of the GNU
21   * General Public License, Version 3 along with this program;
22   * if not, write to the Free Software Foundation, Inc., 51
23   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24   *
25   * 2. For the Magnolia Network Agreement (MNA), this file
26   * and the accompanying materials are made available under the
27   * terms of the MNA which accompanies this distribution, and
28   * is available at http://www.magnolia-cms.com/mna.html
29   *
30   * Any modifications to this file must keep this entire header
31   * intact.
32   *
33   */
34  package info.magnolia.module.delta;
35  
36  import info.magnolia.cms.core.HierarchyManager;
37  import info.magnolia.module.InstallContext;
38  import info.magnolia.module.files.MD5CheckingFileExtractor;
39  import info.magnolia.module.files.ModuleFileExtractorTransformer;
40  import info.magnolia.module.files.FileExtractionLogger;
41  
42  import java.io.IOException;
43  
44  /**
45   * A task which extracts all files for a module.
46   *
47   * @author gjoseph
48   * @version $Revision: $ ($Author: $)
49   */
50  public class ModuleFilesExtraction extends AbstractTask {
51  
52      public ModuleFilesExtraction() {
53          super("Files extraction", "Extracts module files.");
54      }
55  
56      @Override
57      public void execute(final InstallContext ctx) throws TaskExecutionException {
58          final String moduleName = ctx.getCurrentModuleDefinition().getName();
59          // TODO use a separate workspace, or a different storage root, ... ?
60          final HierarchyManager hm = ctx.getConfigHierarchyManager();
61          final MD5CheckingFileExtractor extractor = new MD5CheckingFileExtractor(new InstallContextLogger(ctx), hm);
62          try {
63              extractor.extractFiles(new ModuleFileExtractorTransformer(moduleName));
64          } catch (IOException e) {
65              throw new TaskExecutionException("Could not extract files for module " + ctx.getCurrentModuleDefinition() + ": " + e.getMessage(), e);
66          }
67      }
68  
69      private static class InstallContextLogger implements FileExtractionLogger {
70          private final InstallContext ctx;
71  
72          public InstallContextLogger(InstallContext ctx) {
73              this.ctx = ctx;
74          }
75  
76          @Override
77          public void error(String message) {
78              ctx.warn(message);
79          }
80      }
81  }