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


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 org.jboss.annotation.JndiInject;
25 import org.jboss.logging.Logger;
26 import org.jboss.metamodel.descriptor.EnvironmentRefGroup;
27 import org.jboss.metamodel.descriptor.JndiRef;
28
29 import java.lang.reflect.AccessibleObject JavaDoc;
30 import java.lang.reflect.Field JavaDoc;
31 import java.lang.reflect.Method JavaDoc;
32 import java.util.Map JavaDoc;
33
34 /**
35  * Searches bean class for all @Inject and create Injectors
36  *
37  * @author <a HREF="mailto:bill@jboss.org">Bill Burke</a>
38  * @version $Revision: 55144 $
39  */
40 public class JndiInjectHandler implements InjectionHandler
41 {
42    private static final Logger log = Logger.getLogger(JndiInjectHandler.class);
43    
44    public void loadXml(EnvironmentRefGroup xml, InjectionContainer container)
45    {
46       if (xml == null) return;
47       if (xml.getJndiRefs() == null) return;
48       for (JndiRef ref : xml.getJndiRefs())
49       {
50          if (ref.getMappedName() == null || ref.getMappedName().equals(""))
51             throw new RuntimeException JavaDoc("mapped-name is required for " + ref.getJndiRefName() + " of container " + container.getIdentifier());
52
53          String JavaDoc encName = "env/" + ref.getJndiRefName();
54          if (!container.getEncInjectors().containsKey(encName))
55          {
56             container.getEncInjectors().put(encName, new LinkRefEncInjector(encName, ref.getMappedName(), "jndi ref"));
57          }
58          InjectionUtil.injectionTarget(encName, ref, container, container.getEncInjections());
59       }
60    }
61
62    public void handleClassAnnotations(Class JavaDoc clazz, InjectionContainer container)
63    {
64       // complete
65 }
66
67    public void handleMethodAnnotations(Method JavaDoc method, InjectionContainer container, Map JavaDoc<AccessibleObject JavaDoc, Injector> injectors)
68    {
69       JndiInject ref = method.getAnnotation(JndiInject.class);
70       if (ref != null)
71       {
72          if (!method.getName().startsWith("set"))
73             throw new RuntimeException JavaDoc("@EJB can only be used with a set method: " + method);
74          String JavaDoc encName = InjectionUtil.getEncName(method);
75          if (!container.getEncInjectors().containsKey(encName))
76          {
77             container.getEncInjectors().put(encName, new LinkRefEncInjector(encName, ref.jndiName(), "@JndiInject"));
78          }
79          injectors.put(method, new JndiMethodInjector(method, encName, container.getEnc()));
80       }
81    }
82    
83    public void handleFieldAnnotations(Field JavaDoc field, InjectionContainer container, Map JavaDoc<AccessibleObject JavaDoc, Injector> injectors)
84    {
85       JndiInject ref = field.getAnnotation(JndiInject.class);
86       if (ref != null)
87       {
88          String JavaDoc encName = InjectionUtil.getEncName(field);
89          if (!container.getEncInjectors().containsKey(encName))
90          {
91             container.getEncInjectors().put(encName, new LinkRefEncInjector(encName, ref.jndiName(), "@JndiInject"));
92          }
93          injectors.put(field, new JndiFieldInjector(field, encName, container.getEnc()));
94       }
95    }
96 }
97
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