1 /**
2 * This file Copyright (c) 2003-2010 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.files;
35
36 import info.magnolia.cms.util.ClasspathResourcesUtil;
37
38 import java.io.IOException;
39
40 /**
41 * Basic file extractor; does not do any check but provides the actual file extraction mechanisms,
42 * via {@link info.magnolia.module.files.FileExtractorOperation}s.
43 *
44 * @see FileExtractorOperation
45 *
46 * @author gjoseph
47 * @version $Revision: $ ($Author: $)
48 */
49 public class BasicFileExtractor implements FileExtractor {
50
51 public void extractFile(String resourcePath, String absTargetPath) throws IOException {
52 newOperation(resourcePath, absTargetPath).extract();
53 }
54
55 public void extractFile(String resourcePath, Transformer transformer) throws IOException {
56 final String absTargetPath = transformer.accept(resourcePath);
57 extractFile(resourcePath, absTargetPath);
58 }
59
60 public void extractFiles(Transformer transformer) throws IOException {
61 final String[] resources = collectResources(transformer);
62 for (final String resourcePath : resources) {
63 final String absTargetPath = transformer.accept(resourcePath);
64 extractFile(resourcePath, absTargetPath);
65 }
66 }
67
68 protected FileExtractorOperation newOperation(String resourcePath, String absTargetPath) {
69 return new BasicFileExtractorOperation(resourcePath, absTargetPath);
70 }
71
72 protected String[] collectResources(Transformer transformer) {
73 final ClasspathResourcesFilterAdapter filter = new ClasspathResourcesFilterAdapter(transformer);
74 return ClasspathResourcesUtil.findResources(filter);
75 }
76
77 }