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.spring.annotation;
24  
25  import com.liferay.portal.kernel.annotation.BeanReference;
26  import com.liferay.portal.kernel.bean.BeanLocatorException;
27  import com.liferay.portal.kernel.bean.PortalBeanLocatorUtil;
28  
29  import java.beans.PropertyDescriptor;
30  
31  import java.lang.reflect.AnnotatedElement;
32  import java.lang.reflect.Member;
33  
34  import org.springframework.beans.BeansException;
35  import org.springframework.beans.factory.BeanFactory;
36  import org.springframework.beans.factory.annotation.InjectionMetadata;
37  
38  /**
39   * <a href="BeanReferenceElement.java.html"><b><i>View Source</i></b></a>
40   *
41   * @author Michael Young
42   * @author Raymond Augé
43   *
44   */
45  public class BeanReferenceElement extends InjectionMetadata.InjectedElement {
46  
47      public BeanReferenceElement(
48          BeanFactory beanFactory, Member member,
49          PropertyDescriptor propertyDescriptor) {
50  
51          super(member, propertyDescriptor);
52  
53          _beanFactory = beanFactory;
54  
55          AnnotatedElement annotatedElement = (AnnotatedElement)member;
56  
57          BeanReference beanReference = annotatedElement.getAnnotation(
58              BeanReference.class);
59  
60          _name = beanReference.name();
61      }
62  
63      protected Object getResourceToInject(
64          Object target, String requestingBeanName) {
65  
66          try {
67              return _beanFactory.getBean(_name, getResourceType());
68          }
69          catch (BeansException be) {
70              try {
71                  return PortalBeanLocatorUtil.locate(_name);
72              }
73              catch (BeanLocatorException ble) {
74                  throw be;
75              }
76          }
77      }
78  
79      private BeanFactory _beanFactory;
80      private String _name;
81  
82  }