1   /**
2    * Copyright (c) 2000-2007 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.util;
24  
25  import java.io.File;
26  
27  import javax.activation.MimetypesFileTypeMap;
28  
29  import org.apache.commons.logging.Log;
30  import org.apache.commons.logging.LogFactory;
31  
32  /**
33   * <a href="MimeTypesUtil.java.html"><b><i>View Source</i></b></a>
34   *
35   * @author Jorge Ferrer
36   * @author Brian Wing Shun Chan
37   *
38   */
39  public class MimeTypesUtil {
40  
41      public static String getContentType(File file) {
42          return _instance._getContentType(file);
43      }
44  
45      public static String getContentType(String fileName) {
46          return _instance._getContentType(fileName);
47      }
48  
49      private MimeTypesUtil() {
50          _mimeTypes = new MimetypesFileTypeMap();
51  
52          String[] customMimeTypes = PropsUtil.getArray(PropsUtil.MIME_TYPES);
53  
54          for (int i = 0; i < customMimeTypes.length; i++) {
55              _mimeTypes.addMimeTypes(customMimeTypes[i]);
56          }
57      }
58  
59      private String _getContentType(File file) {
60          String contentType = _mimeTypes.getContentType(file);
61  
62          if (_log.isDebugEnabled()) {
63              _log.debug(
64                  "Content type " + contentType + " returned for file " +
65                      file.toString());
66          }
67  
68          return contentType;
69      }
70  
71      private String _getContentType(String fileName) {
72          String contentType = _mimeTypes.getContentType(fileName);
73  
74          if (_log.isDebugEnabled()) {
75              _log.debug(
76                  "Content type " + contentType + " returned for file name " +
77                      fileName);
78          }
79  
80          return contentType;
81      }
82  
83      private static Log _log = LogFactory.getLog(MimeTypesUtil.class);
84  
85      private static MimeTypesUtil _instance = new MimeTypesUtil();
86  
87      private MimetypesFileTypeMap _mimeTypes;
88  
89  }