1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17   * SOFTWARE.
18   */
19  
20  package com.liferay.portal.kernel.servlet;
21  
22  import com.liferay.portal.kernel.log.Log;
23  import com.liferay.portal.kernel.log.LogFactoryUtil;
24  
25  import java.net.URI;
26  import java.net.URISyntaxException;
27  import java.net.URL;
28  
29  /**
30   * <a href="WebDirDetector.java.html"><b><i>View Source</i></b></a>
31   *
32   * @author Brian Wing Shun Chan
33   *
34   */
35  public class WebDirDetector {
36  
37      public static String getLibDir(ClassLoader classLoader) {
38          URL url = classLoader.getResource(
39              "com/liferay/util/bean/PortletBeanLocatorUtil.class");
40  
41          String file = null;
42  
43          try {
44              file = new URI(url.getPath()).getPath();
45          }
46          catch (URISyntaxException urise) {
47              file = url.getFile();
48          }
49  
50          if (_log.isDebugEnabled()) {
51              _log.debug("Lib url " + file);
52          }
53  
54          int pos = file.indexOf("/com/liferay/util/bean/");
55  
56          String libDir = file.substring(0, pos + 1);
57  
58          if (libDir.endsWith("/WEB-INF/classes/")) {
59              libDir = libDir.substring(0, libDir.length() - 8) + "lib/";
60          }
61          else {
62              pos = libDir.indexOf("/WEB-INF/lib/");
63  
64              if (pos != -1) {
65                  libDir = libDir.substring(0, pos) + "/WEB-INF/lib/";
66              }
67          }
68  
69          if (libDir.startsWith("file:/")) {
70              libDir = libDir.substring(5, libDir.length());
71          }
72  
73          return libDir;
74      }
75  
76      public static String getRootDir(ClassLoader classLoader) {
77          return getRootDir(getLibDir(classLoader));
78      }
79  
80      public static String getRootDir(String libDir) {
81          String rootDir = libDir;
82  
83          if (rootDir.endsWith("/WEB-INF/lib/")) {
84              rootDir = rootDir.substring(0, rootDir.length() - 12);
85          }
86  
87          return rootDir;
88      }
89  
90      private static Log _log = LogFactoryUtil.getLog(WebDirDetector.class);
91  
92  }