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.spring.annotation;
21  
22  import com.liferay.portal.kernel.annotation.BeanReference;
23  import com.liferay.portal.kernel.bean.BeanLocatorException;
24  import com.liferay.portal.kernel.bean.PortalBeanLocatorUtil;
25  
26  import java.beans.PropertyDescriptor;
27  
28  import java.lang.reflect.AnnotatedElement;
29  import java.lang.reflect.Member;
30  
31  import org.springframework.beans.BeansException;
32  import org.springframework.beans.factory.BeanFactory;
33  import org.springframework.beans.factory.annotation.InjectionMetadata;
34  
35  /**
36   * <a href="BeanReferenceElement.java.html"><b><i>View Source</i></b></a>
37   *
38   * @author Michael Young
39   * @author Raymond Augé
40   *
41   */
42  public class BeanReferenceElement extends InjectionMetadata.InjectedElement {
43  
44      public BeanReferenceElement(
45          BeanFactory beanFactory, Member member,
46          PropertyDescriptor propertyDescriptor) {
47  
48          super(member, propertyDescriptor);
49  
50          _beanFactory = beanFactory;
51  
52          AnnotatedElement annotatedElement = (AnnotatedElement)member;
53  
54          BeanReference beanReference = annotatedElement.getAnnotation(
55              BeanReference.class);
56  
57          _name = beanReference.name();
58      }
59  
60      protected Object getResourceToInject(
61          Object target, String requestingBeanName) {
62  
63          try {
64              return _beanFactory.getBean(_name, getResourceType());
65          }
66          catch (BeansException be) {
67              try {
68                  return PortalBeanLocatorUtil.locate(_name);
69              }
70              catch (BeanLocatorException ble) {
71                  throw be;
72              }
73          }
74      }
75  
76      private BeanFactory _beanFactory;
77      private String _name;
78  
79  }