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 javax.ejb.TransactionManagementType;
26: import javax.transaction.UserTransaction;
27: import org.jboss.aop.Advisor;
28: import org.jboss.ejb3.BeanContext;
29: import org.jboss.ejb3.Container;
30: import org.jboss.ejb3.tx.TxUtil;
31: import org.jboss.ejb3.tx.UserTransactionImpl;
32:
33: /**
34: * Comment
35: *
36: * @author <a href="mailto:bill@jboss.org">Bill Burke</a>
37: * @version $Revision: 60233 $
38: * @deprecated use UserTransactionPropertyInjector
39: */
40: public class UserTransactionFieldInjector implements Injector {
41: private Field field;
42:
43: public UserTransactionFieldInjector(Field field,
44: InjectionContainer container) {
45: if (container instanceof Container) {
46: TransactionManagementType type = TxUtil
47: .getTransactionManagementType(((Advisor) container));
48: if (type != TransactionManagementType.BEAN)
49: throw new IllegalStateException(
50: "Container "
51: + ((Container) container).getEjbName()
52: + ": it is illegal to inject UserTransaction into a CMT bean");
53: }
54: this .field = field;
55: this .field.setAccessible(true);
56: }
57:
58: public void inject(BeanContext ctx) {
59: Object instance = ctx.getInstance();
60: inject(instance);
61: }
62:
63: public void inject(Object instance) {
64: UserTransaction ut = new UserTransactionImpl();
65: try {
66: field.set(instance, ut);
67: } catch (IllegalAccessException e) {
68: throw new RuntimeException(e); //To change body of catch statement use Options | File Templates.
69: } catch (IllegalArgumentException e) {
70: throw new RuntimeException(
71: "Failed in setting EntityManager on setter field: "
72: + field.toString());
73: }
74: }
75:
76: public Class getInjectionClass() {
77: return field.getType();
78: }
79: }
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