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.kernel.servlet;
24  
25  import com.liferay.portal.kernel.log.Log;
26  import com.liferay.portal.kernel.log.LogFactoryUtil;
27  
28  import java.net.URI;
29  import java.net.URISyntaxException;
30  import java.net.URL;
31  
32  /**
33   * <a href="WebDirDetector.java.html"><b><i>View Source</i></b></a>
34   *
35   * @author Brian Wing Shun Chan
36   *
37   */
38  public class WebDirDetector {
39  
40      public static String getLibDir(ClassLoader classLoader) {
41          URL url = classLoader.getResource(
42              "com/liferay/util/bean/PortletBeanLocatorUtil.class");
43  
44          String file = null;
45  
46          try {
47              file = new URI(url.getPath()).getPath();
48          }
49          catch (URISyntaxException urise) {
50              file = url.getFile();
51          }
52  
53          if (_log.isDebugEnabled()) {
54              _log.debug("Lib url " + file);
55          }
56  
57          int pos = file.indexOf("/com/liferay/util/bean/");
58  
59          String libDir = file.substring(0, pos + 1);
60  
61          if (libDir.endsWith("/WEB-INF/classes/")) {
62              libDir = libDir.substring(0, libDir.length() - 8) + "lib/";
63          }
64          else {
65              pos = libDir.indexOf("/WEB-INF/lib/");
66  
67              if (pos != -1) {
68                  libDir = libDir.substring(0, pos) + "/WEB-INF/lib/";
69              }
70          }
71  
72          if (libDir.startsWith("file:/")) {
73              libDir = libDir.substring(5, libDir.length());
74          }
75  
76          return libDir;
77      }
78  
79      public static String getRootDir(ClassLoader classLoader) {
80          return getRootDir(getLibDir(classLoader));
81      }
82  
83      public static String getRootDir(String libDir) {
84          String rootDir = libDir;
85  
86          if (rootDir.endsWith("/WEB-INF/lib/")) {
87              rootDir = rootDir.substring(0, rootDir.length() - 12);
88          }
89  
90          return rootDir;
91      }
92  
93      private static Log _log = LogFactoryUtil.getLog(WebDirDetector.class);
94  
95  }