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Java > Open Source Codes > org > jboss > ejb > plugins > EnterpriseBeanPolicyContextHandler


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.ejb.plugins;
23
24 import javax.security.jacc.PolicyContextException JavaDoc;
25 import javax.security.jacc.PolicyContextHandler JavaDoc;
26 import javax.ejb.EnterpriseBean JavaDoc;
27
28 /** A PolicyContextHandler for the active EnterpriseBean
29  * @author Scott.Stark@jboss.org
30  * @version $Revison:$
31  */
32 public class EnterpriseBeanPolicyContextHandler implements PolicyContextHandler JavaDoc
33 {
34    public static final String JavaDoc EJB_CONTEXT_KEY = "javax.ejb.EnterpriseBean";
35    private static ThreadLocal JavaDoc ejbContext = new ThreadLocal JavaDoc();
36
37    static void setEnterpriseBean(Object JavaDoc bean)
38    {
39       ejbContext.set(bean);
40    }
41
42    /** Access the EJB policy context data.
43     * @param key - "javax.ejb.EnterpriseBean"
44     * @param data currently unused
45     * @return The active EnterpriseBean
46     * @throws PolicyContextException
47     */
48    public Object JavaDoc getContext(String JavaDoc key, Object JavaDoc data)
49       throws PolicyContextException JavaDoc
50    {
51       Object JavaDoc context = null;
52       if( key.equalsIgnoreCase(EJB_CONTEXT_KEY) == true )
53          context = ejbContext.get();
54       return context;
55    }
56
57    public String JavaDoc[] getKeys()
58       throws PolicyContextException JavaDoc
59    {
60       String JavaDoc[] keys = {EJB_CONTEXT_KEY};
61       return keys;
62    }
63
64    public boolean supports(String JavaDoc key)
65       throws PolicyContextException JavaDoc
66    {
67       return key.equalsIgnoreCase(EJB_CONTEXT_KEY);
68    }
69 }
70
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