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Java > Open Source Codes > org > jboss > ejb3 > EJB3Util


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.ejb3;
23
24 import java.util.Hashtable JavaDoc;
25 import javax.naming.InitialContext JavaDoc;
26 import javax.naming.NamingException JavaDoc;
27 import javassist.bytecode.AnnotationsAttribute;
28 import javassist.bytecode.annotation.Annotation;
29 import javassist.bytecode.annotation.StringMemberValue;
30
31 /**
32  * Comment
33  *
34  * @author <a HREF="mailto:bill@jboss.org">Bill Burke</a>
35  * @version $Revision: 37459 $
36  */
37 public class EJB3Util
38 {
39    public static boolean isStateless(AnnotationsAttribute group)
40    {
41       return group.getAnnotation(javax.ejb.Stateless JavaDoc.class.getName()) != null;
42    }
43
44    public static boolean isStatefulSession(AnnotationsAttribute group)
45    {
46       return group.getAnnotation(javax.ejb.Stateful JavaDoc.class.getName()) != null;
47    }
48
49    public static boolean isEntity(AnnotationsAttribute group)
50    {
51       return group.getAnnotation(javax.persistence.Entity.class.getName()) != null;
52    }
53
54    public static boolean isMessageDriven(AnnotationsAttribute group)
55    {
56       return group.getAnnotation(javax.ejb.MessageDriven JavaDoc.class.getName()) != null;
57    }
58
59    public static boolean isService(AnnotationsAttribute group)
60    {
61       return group.getAnnotation(org.jboss.annotation.ejb.Service.class.getName()) != null;
62    }
63
64    public static boolean isConsumer(AnnotationsAttribute group)
65    {
66       return group.getAnnotation(org.jboss.annotation.ejb.Consumer.class.getName()) != null;
67    }
68
69    public static String JavaDoc getAspectDomain(AnnotationsAttribute visible, String JavaDoc defaultContainerName)
70    {
71       if (visible != null )
72       {
73          Annotation dinfo = visible.getAnnotation(org.jboss.annotation.ejb.AspectDomain.class
74                                       .getName());
75          if (dinfo != null)
76          {
77             StringMemberValue dmv = (StringMemberValue) dinfo
78                     .getMemberValue("value");
79             if (dmv != null)
80             {
81                return dmv.getValue();
82             }
83          }
84       }
85       
86       return defaultContainerName;
87    }
88
89    public static InitialContext JavaDoc getInitialContext(Hashtable JavaDoc props)
90            throws NamingException JavaDoc
91    {
92       InitialContext JavaDoc ctx = null;
93       if (props != null)
94       {
95          ctx = new InitialContext JavaDoc(props);
96       }
97       else ctx = new InitialContext JavaDoc();
98       return ctx;
99    }
100 }
101
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