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Java > Open Source Codes > org > jboss > injection > EJBContextMethodInjector


1 /*
2   * JBoss, Home of Professional Open Source
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.
6   *
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.InvocationTargetException JavaDoc;
25 import java.lang.reflect.Method JavaDoc;
26 import org.jboss.ejb3.BeanContext;
27
28 /**
29  * Comment
30  *
31  * @author <a HREF="mailto:bill@jboss.org">Bill Burke</a>
32  * @version $Revision: 46510 $
33  */
34 public class EJBContextMethodInjector implements Injector, PojoInjector
35 {
36    private Method JavaDoc setMethod;
37
38    public EJBContextMethodInjector(Method JavaDoc setMethod)
39    {
40       this.setMethod = setMethod;
41       setMethod.setAccessible(true);
42    }
43
44    public void inject(BeanContext ctx)
45    {
46       inject(ctx, ctx.getInstance());
47    }
48    
49    public void inject(BeanContext ctx, Object JavaDoc instance)
50    {
51
52       Object JavaDoc[] args = {ctx.getEJBContext()};
53       try
54       {
55          setMethod.invoke(instance, args);
56       }
57       catch (IllegalAccessException JavaDoc e)
58       {
59          throw new RuntimeException JavaDoc(e); //To change body of catch statement use Options | File Templates.
60 }
61       catch (IllegalArgumentException JavaDoc e)
62       {
63          throw new RuntimeException JavaDoc("Failed in setting EntityManager on setter method: " + setMethod.toString());
64       }
65       catch (InvocationTargetException JavaDoc e)
66       {
67          throw new RuntimeException JavaDoc(e.getCause()); //To change body of catch statement use Options | File Templates.
68 }
69    }
70
71    public void inject(Object JavaDoc instance)
72    {
73       throw new RuntimeException JavaDoc("Illegal operation");
74    }
75
76   
77    public Class JavaDoc getInjectionClass()
78    {
79       return setMethod.getParameterTypes()[0];
80    }
81 }
82
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