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.InvocationTargetException;
25: import java.lang.reflect.Method;
26: import javax.management.MBeanServer;
27: import javax.management.MBeanServerFactory;
28: import javax.management.ObjectName;
29: import org.jboss.ejb3.BeanContext;
30: import org.jboss.mx.util.MBeanProxyExt;
31:
32: /**
33: * @author <a href="mailto:kabir.khan@jboss.org">Kabir Khan</a>
34: * @version $Revision: 60233 $
35: */
36: public class DependsMethodInjector implements Injector {
37: Method method;
38: ObjectName on;
39:
40: public DependsMethodInjector(Method method, ObjectName on) {
41: this .method = method;
42: this .on = on;
43: method.setAccessible(true);
44: }
45:
46: public void inject(BeanContext ctx) {
47: Object instance = ctx.getInstance();
48: inject(instance);
49: }
50:
51: public void inject(Object instance) {
52: Class clazz = method.getParameterTypes()[0];
53: Object value = null;
54:
55: if (clazz == ObjectName.class) {
56: value = on;
57: } else {
58: MBeanServer server = (MBeanServer) MBeanServerFactory
59: .findMBeanServer(null).get(0);
60: value = MBeanProxyExt.create(clazz, on, server);
61: }
62:
63: try {
64: method.invoke(instance, value);
65: } catch (InvocationTargetException e) {
66: throw new RuntimeException(e);
67: } catch (IllegalAccessException e) {
68: throw new RuntimeException(e);
69: }
70: }
71:
72: public Class getInjectionClass() {
73: return method.getParameterTypes()[0];
74: }
75: }
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