01: /*
02: * JBoss, Home of Professional Open Source.
03: * Copyright 2006, Red Hat Middleware LLC, and individual contributors
04: * as indicated by the @author tags. See the copyright.txt file in the
05: * distribution for a full listing of individual contributors.
06: *
07: * This is free software; you can redistribute it and/or modify it
08: * under the terms of the GNU Lesser General Public License as
09: * 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: import org.jboss.logging.Logger;
27:
28: /**
29: * Comment
30: *
31: * @author <a href="mailto:bill@jboss.org">Bill Burke</a>
32: * @version $Revision: 60233 $
33: */
34: public class EntityManagerFactoryFieldInjector implements Injector,
35: PojoInjector {
36: private static final Logger log = Logger
37: .getLogger(EntityManagerFactoryFieldInjector.class);
38: private Field field;
39: private Object factory;
40:
41: public EntityManagerFactoryFieldInjector(Field field, Object factory) {
42: this .field = field;
43: this .field.setAccessible(true);
44: this .factory = factory;
45: }
46:
47: public void inject(BeanContext ctx) {
48: inject(ctx, ctx.getInstance());
49: }
50:
51: public void inject(BeanContext ctx, Object instance) {
52: inject(instance);
53: }
54:
55: public void inject(Object instance) {
56: try {
57: field.set(instance, factory);
58: } catch (IllegalAccessException e) {
59: throw new RuntimeException(e); //To change body of catch statement use Options | File Templates.
60: } catch (IllegalArgumentException e) {
61: throw new RuntimeException(
62: "Failed in setting EntityManager on setter field: "
63: + field.toString());
64: }
65: }
66:
67: public Class getInjectionClass() {
68: return field.getType();
69: }
70:
71: }
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