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* JBoss, Home of Professional Open Source
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* Copyright 2005, JBoss Inc., and individual contributors as indicated
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* by the @authors tag. See the copyright.txt in the distribution for a
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* full listing of individual contributors.
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* This is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public
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* License along with this software; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
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package org.jboss.remoting.network;
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import java.security.AccessController;
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import java.security.PrivilegedActionException;
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import java.security.PrivilegedExceptionAction;
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import javax.management.BadAttributeValueExpException;
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import javax.management.BadBinaryOpValueExpException;
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import javax.management.BadStringOperationException;
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import javax.management.InstanceNotFoundException;
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import javax.management.InvalidApplicationException;
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import javax.management.MBeanServer;
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import javax.management.ObjectName;
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import javax.management.QueryExp;
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import org.jboss.remoting.util.SecurityUtility;
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* NetworkRegistryQuery is a QueryExp that will filter on NetworkRegistryMBean mbeans.
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* @author <a href="mailto:jhaynie@vocalocity.net">Jeff Haynie</a>
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* @version $Revision: 5004 $
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public class NetworkRegistryQuery implements QueryExp
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private MBeanServer server;
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private static final long serialVersionUID = 2402056810602499064L;
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public boolean apply(final ObjectName objectName) throws BadStringOperationException, BadBinaryOpValueExpException, BadAttributeValueExpException, InvalidApplicationException
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return isInstanceOf(server, objectName, NetworkRegistryMBean.class.getName());
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catch (InstanceNotFoundException e)
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public void setMBeanServer(MBeanServer mBeanServer)
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this.server = mBeanServer;
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static private boolean isInstanceOf(final MBeanServer server, final ObjectName objectName, final String className)
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throws InstanceNotFoundException
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if (SecurityUtility.skipAccessControl())
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return server.isInstanceOf(objectName, className);
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return ((Boolean)AccessController.doPrivileged( new PrivilegedExceptionAction()
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public Object run() throws Exception
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return new Boolean(server.isInstanceOf(objectName, className));
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catch (PrivilegedActionException e)
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throw (InstanceNotFoundException) e.getCause();