/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.jmx.connector.invoker;
import java.util.HashSet;
import java.util.Properties;
import java.util.StringTokenizer;
import org.jboss.logging.Logger;
import org.jboss.security.SimplePrincipal;
//$Id$
/**
* JBAS-3203: Delegate for Authorization Interceptor for RMIAdaptor should have roles configurable
* Authorization Delegate used by the AuthorizationInterceptor
* that gets its predefined roles from a properties file
* @see org.jboss.jmx.connector.invoker.AuthorizationInterceptor
* @author <a href="mailto:Anil.Saldhana@jboss.org">Anil Saldhana</a>
* @since May 10, 2006
* @version $Revision$
*/
public class ExternalizableRolesAuthorization extends RolesAuthorization
{
private static Logger log = Logger.getLogger(ExternalizableRolesAuthorization.class);
private boolean trace = log.isTraceEnabled();
public ExternalizableRolesAuthorization()
{
//Load the roles from a properties file
Properties props = new Properties();
try
{
props.load(getTCL().getResourceAsStream("jmxinvoker-roles.properties"));
this.setRequiredRoles(getSetOfRoles(props.getProperty("roles")));
}
catch (Exception e)
{
log.error("Error reading roles from jmxinvoker-roles.properties:",e);
}
}
/**
* Get a HashSet of roles as SimplePrincipal
*
* @param assignedRoles a comma seperated list of roles
* @return
*/
private HashSet getSetOfRoles(String assignedRoles)
{
if(trace)
log.trace("AssignedRolesString="+assignedRoles);
HashSet set = new HashSet();
StringTokenizer st = new StringTokenizer(assignedRoles,",");
while(st.hasMoreTokens())
{
String aRole = st.nextToken();
set.add(new SimplePrincipal(aRole));
}
if(trace)
log.trace("roles set="+set);
return set;
}
private ClassLoader getTCL()
{
return Thread.currentThread().getContextClassLoader();
}
}