1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.zip;
24  
25  import com.liferay.portal.kernel.util.PortalClassLoaderUtil;
26  import com.liferay.portal.kernel.zip.ZipReader;
27  import com.liferay.portal.kernel.zip.ZipReaderFactory;
28  
29  import java.io.File;
30  import java.io.IOException;
31  import java.io.InputStream;
32  
33  /**
34   * <a href="ZipReaderFactoryImpl.java.html"><b><i>View Source</i></b></a>
35   *
36   * @author Raymond Augé
37   */
38  public class ZipReaderFactoryImpl implements ZipReaderFactory {
39  
40      public ZipReader getZipReader(File file) {
41          ClassLoader portalClassLoader = PortalClassLoaderUtil.getClassLoader();
42  
43          Thread currentThread = Thread.currentThread();
44  
45          ClassLoader contextClassLoader = currentThread.getContextClassLoader();
46  
47          try {
48              if (contextClassLoader != portalClassLoader) {
49                  currentThread.setContextClassLoader(portalClassLoader);
50              }
51  
52              return new ZipReaderImpl(file);
53          }
54          finally {
55              if (contextClassLoader != portalClassLoader) {
56                  currentThread.setContextClassLoader(contextClassLoader);
57              }
58          }
59      }
60  
61      public ZipReader getZipReader(InputStream inputStream) throws IOException {
62          ClassLoader portalClassLoader = PortalClassLoaderUtil.getClassLoader();
63  
64          Thread currentThread = Thread.currentThread();
65  
66          ClassLoader contextClassLoader = currentThread.getContextClassLoader();
67  
68          try {
69              if (contextClassLoader != portalClassLoader) {
70                  currentThread.setContextClassLoader(portalClassLoader);
71              }
72  
73              return new ZipReaderImpl(inputStream);
74          }
75          finally {
76              if (contextClassLoader != portalClassLoader) {
77                  currentThread.setContextClassLoader(contextClassLoader);
78              }
79          }
80      }
81  
82  }