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Java > Open Source Codes > org > jboss > jmx > connector > invoker > ExternalizableRolesAuthorization


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.jmx.connector.invoker;
23  
24 import java.util.HashSet JavaDoc;
25 import java.util.Properties JavaDoc;
26 import java.util.StringTokenizer JavaDoc;
27
28 import org.jboss.logging.Logger;
29 import org.jboss.security.SimplePrincipal;
30
31 //$Id: ExternalizableRolesAuthorization.java 44771 2006-05-10 20:35:14Z asaldhana $
32
33 /**
34  * JBAS-3203: Delegate for Authorization Interceptor for RMIAdaptor should have roles configurable
35  * Authorization Delegate used by the AuthorizationInterceptor
36  * that gets its predefined roles from a properties file
37  * @see org.jboss.jmx.connector.invoker.AuthorizationInterceptor
38  * @author <a HREF="mailto:Anil.Saldhana@jboss.org">Anil Saldhana</a>
39  * @since May 10, 2006
40  * @version $Revision: 44771 $
41  */
42 public class ExternalizableRolesAuthorization extends RolesAuthorization
43 {
44    private static Logger log = Logger.getLogger(ExternalizableRolesAuthorization.class);
45    private boolean trace = log.isTraceEnabled();
46    
47    public ExternalizableRolesAuthorization()
48    {
49       //Load the roles from a properties file
50 Properties JavaDoc props = new Properties JavaDoc();
51       try
52       {
53          props.load(getTCL().getResourceAsStream("jmxinvoker-roles.properties"));
54          this.setRequiredRoles(getSetOfRoles(props.getProperty("roles")));
55       }
56       catch (Exception JavaDoc e)
57       {
58          log.error("Error reading roles from jmxinvoker-roles.properties:",e);
59       }
60    }
61    
62    /**
63     * Get a HashSet of roles as SimplePrincipal
64     *
65     * @param assignedRoles a comma seperated list of roles
66     * @return
67     */
68    private HashSet JavaDoc getSetOfRoles(String JavaDoc assignedRoles)
69    {
70       if(trace)
71          log.trace("AssignedRolesString="+assignedRoles);
72       HashSet JavaDoc set = new HashSet JavaDoc();
73       StringTokenizer JavaDoc st = new StringTokenizer JavaDoc(assignedRoles,",");
74       while(st.hasMoreTokens())
75       {
76          String JavaDoc aRole = st.nextToken();
77          set.add(new SimplePrincipal(aRole));
78       }
79       if(trace)
80          log.trace("roles set="+set);
81       return set;
82    }
83    
84    private ClassLoader JavaDoc getTCL()
85    {
86       return Thread.currentThread().getContextClassLoader();
87    }
88 }
89
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