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.velocity;
24  
25  import java.io.InputStream;
26  
27  import org.apache.commons.logging.Log;
28  import org.apache.commons.logging.LogFactory;
29  import org.apache.velocity.exception.ResourceNotFoundException;
30  
31  /**
32   * <a href="ClassLoaderVelocityResourceListener.java.html"><b><i>View Source</i>
33   * </b></a>
34   *
35   * @author Brian Wing Shun Chan
36   *
37   */
38  public class ClassLoaderVelocityResourceListener
39      extends VelocityResourceListener {
40  
41      public InputStream getResourceStream(String source)
42          throws ResourceNotFoundException {
43  
44          InputStream is = null;
45  
46          int pos = source.indexOf(JOURNAL_SEPARATOR);
47  
48          if (pos == -1) {
49              pos = source.indexOf(SERVLET_SEPARATOR);
50          }
51  
52          if (pos == -1) {
53              pos = source.indexOf(THEME_LOADER_SEPARATOR);
54          }
55  
56          if (pos == -1) {
57              ClassLoader classLoader = getClass().getClassLoader();
58  
59              if (_log.isDebugEnabled()) {
60                  _log.debug("Loading " + source);
61              }
62  
63              is = classLoader.getResourceAsStream(source);
64          }
65  
66          return is;
67      }
68  
69      private static Log _log =
70          LogFactory.getLog(ClassLoaderVelocityResourceListener.class);
71  
72  }