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


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 import org.jboss.logging.Logger;
28
29 /**
30  * Comment
31  *
32  * @author <a HREF="mailto:bill@jboss.org">Bill Burke</a>
33  * @version $Revision: 46510 $
34  */
35 public class EntityManagerFactoryMethodInjector implements Injector, PojoInjector
36 {
37    private static final Logger log = Logger.getLogger(EntityManagerFactoryMethodInjector.class);
38    private Method JavaDoc setMethod;
39    private Object JavaDoc factory;
40
41    public EntityManagerFactoryMethodInjector(Method JavaDoc setMethod, Object JavaDoc factory)
42    {
43       this.setMethod = setMethod;
44       setMethod.setAccessible(true);
45       this.factory = factory;
46    }
47
48    public void inject(BeanContext ctx)
49    {
50       inject(ctx, ctx.getInstance());
51    }
52    
53    public void inject(BeanContext ctx, Object JavaDoc instance)
54    {
55       inject(instance);
56    }
57
58    public void inject(Object JavaDoc instance)
59    {
60       try
61       {
62          Object JavaDoc[] args = {factory};
63          setMethod.invoke(instance, args);
64       }
65       catch (IllegalAccessException JavaDoc e)
66       {
67          throw new RuntimeException JavaDoc(e); //To change body of catch statement use Options | File Templates.
68 }
69       catch (IllegalArgumentException JavaDoc e)
70       {
71          throw new RuntimeException JavaDoc("Failed in setting EntityManager on setter method: " + setMethod.toString());
72       }
73       catch (InvocationTargetException JavaDoc e)
74       {
75          throw new RuntimeException JavaDoc(e.getCause()); //To change body of catch statement use Options | File Templates.
76 }
77    }
78
79    public Class JavaDoc getInjectionClass()
80    {
81       return setMethod.getParameterTypes()[0];
82    }
83 }
84
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