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.bean;
21  
22  import com.liferay.portal.kernel.log.Log;
23  import com.liferay.portal.kernel.log.LogFactoryUtil;
24  
25  /**
26   * <a href="PortalBeanLocatorUtil.java.html"><b><i>View Source</i></b></a>
27   *
28   * @author Brian Wing Shun Chan
29   *
30   */
31  public class PortalBeanLocatorUtil {
32  
33      public static BeanLocator getBeanLocator() {
34          return _beanLocator;
35      }
36  
37      public static Object locate(String name) throws BeanLocatorException {
38          if (_beanLocator == null) {
39              _log.error("BeanLocator is null");
40  
41              throw new BeanLocatorException("BeanLocator has not been set");
42          }
43          else {
44              Thread currentThread = Thread.currentThread();
45  
46              ClassLoader contextClassLoader =
47                  currentThread.getContextClassLoader();
48  
49              ClassLoader beanClassLoader = _beanLocator.getClassLoader();
50  
51              try {
52                  if (contextClassLoader != beanClassLoader) {
53                      currentThread.setContextClassLoader(beanClassLoader);
54                  }
55  
56                  return _beanLocator.locate(name);
57              }
58              finally {
59                  if (contextClassLoader != beanClassLoader) {
60                      currentThread.setContextClassLoader(contextClassLoader);
61                  }
62              }
63          }
64      }
65  
66      public static void setBeanLocator(BeanLocator beanLocator) {
67          if (_log.isDebugEnabled()) {
68              _log.debug("Setting BeanLocator " + beanLocator.hashCode());
69          }
70  
71          _beanLocator = beanLocator;
72      }
73  
74      private static Log _log =
75          LogFactoryUtil.getLog(PortalBeanLocatorUtil.class);
76  
77      private static BeanLocator _beanLocator;
78  
79  }