EJBContextFieldInjector


1   /*
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3     * Copyright 2005, JBoss Inc., and individual contributors as indicated
4     * by the @authors tag. See the copyright.txt in the distribution for a
5     * full listing of individual contributors.
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7     * This is free software; you can redistribute it and/or modify it
8     * under the terms of the GNU Lesser General Public License as
9     * published by the Free Software Foundation; either version 2.1 of
10    * the License, or (at your option) any later version.
11    *
12    * This software is distributed in the hope that it will be useful,
13    * but WITHOUT ANY WARRANTY; without even the implied warranty of
14    * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15    * Lesser General Public License for more details.
16    *
17    * You should have received a copy of the GNU Lesser General Public
18    * License along with this software; if not, write to the Free
19    * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20    * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21    */
22  package org.jboss.injection;
23  
24  import java.lang.reflect.Field  ;
25  import org.jboss.ejb3.BeanContext;
26  
27  /**
28   * Comment
29   *
30   * @author <a HREF="mailto:bill@jboss.org">Bill Burke</a>
31   * @version $Revision: 46510 $
32   */
33  public class EJBContextFieldInjector implements Injector, PojoInjector
34  {
35     private Field   field;
36  
37     public EJBContextFieldInjector(Field   field)
38     {
39        this.field = field;
40        field.setAccessible(true);
41     }
42  
43     public void inject(BeanContext ctx)
44     {
45        inject(ctx, ctx.getInstance());
46     }
47     
48     public void inject(BeanContext ctx, Object   instance)
49     {
50        try
51        {
52           field.set(instance, ctx.getEJBContext());
53        }
54        catch (IllegalAccessException   e)
55        {
56           throw new RuntimeException  (e);
57        }
58     }
59  
60     public void inject(Object   instance)
61     {
62        throw new RuntimeException  ("Illegal operation");
63     }
64  
65     public Class   getInjectionClass()
66     {
67        return field.getType();
68     }
69  }
70
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