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/*
 *   EventListener of AdminConfig Changes  - keeps consistent MBean space
 *   ajusting it according AdminConfigContext changes
 *
 *   $Id: AdminConfigEventListener.java,v 1.4.6.1 2007/09/24 05:30:43 prasads Exp $
 *   @author: alexkrav
 *
 *   $Log: AdminConfigEventListener.java,v $
 *   Revision 1.4.6.1  2007/09/24 05:30:43  prasads
 *   merging SAILFIN_BRANCH with SJSAS_91_FCS_BRANCH
 *
 *   Revision 1.3.28.1  2007/07/06 10:03:29  prasads
 *   Merging b54 from GlassFish TRUNK to SAILFIN_BRANCH
 *
 *   Revision 1.4  2007/05/05 05:25:35  tcfujii
 *   CDDL+GPL header updates.
 *
 *   Revision 1.3  2005/12/25 03:47:36  tcfujii
 *   Updated copyright text and year.
 *
 *   Revision 1.2  2005/06/27 21:19:43  tcfujii
 *   Issue number: CDDL header updates.
 *
 *   Revision 1.1.1.1  2005/05/27 22:52:02  dpatil
 *   GlassFish first drop
 *
 *   Revision 1.2  2004/11/14 07:04:20  tcfujii
 *   Updated copyright text and/or year.
 *
 *   Revision 1.1  2004/04/05 16:44:05  kravtch
 *   admin/meta/AdminConfigEventListener: new configcontext listener's code
 *   This listener is for synchronization of ConfigBeans changes with both MBeans and dotted-name spaces.
 *   admin/meta/MBeanRegistry: added methods (adoptConfigBeanDelete/Add) implementing beans ajustment
 *   admin/config/BaseConfigMBean: calls from MBean's postRegister/unregister methods to dotted-name-manager is commented out.
 *
 *   Reviewer: Sridatta
 *   Tests Passed: QuickLook +  UnitTest
 *
*/

package com.sun.enterprise.admin.meta;

import com.sun.enterprise.config.ConfigBean;
import com.sun.enterprise.config.ConfigContextEvent;
import com.sun.enterprise.config.ConfigContextEventListener;


public class  AdminConfigEventListener implements ConfigContextEventListener
{
    /**
        Creates new <code>AdminConfigEventListener</code>.
    */
    public AdminConfigEventListener()
    {
        super();
    }

    // "dummy" methods to satisfy interface
    public void preAccessNotification(ConfigContextEvent ccce) {}
    public void postAccessNotification(ConfigContextEvent ccce) {}
    public void preChangeNotification(ConfigContextEvent ccce) {}

    /**
     * after config add, delete, set, update or flush. type is in ccce
     */
    public void postChangeNotification(ConfigContextEvent event) 
    {
        boolean bAdded;
        //set bAdded (shows whether bean added or removed)
        if((event.getType()).equals(event.POST_DELETE_CHANGE))
            bAdded = false;
        else if((event.getType()).equals(event.POST_ADD_CHANGE))
            bAdded = true;
        else if((event.getType()).equals(event.POST_SET_CHANGE))
            bAdded = true;
        else
            return;
        //here we are only for add/set/delete operations
        //we are interesting only in bean operations:
        Object bean = event.getObject();
        if(bean instanceof ConfigBean)
        {
            String domainName = MBeanRegistryFactory.getAdminContext().getDomainName();
            if(bAdded)
                MBeanRegistryFactory.getAdminMBeanRegistry().adoptConfigBeanAdd((ConfigBean)bean, domainName);
            else
                MBeanRegistryFactory.getAdminMBeanRegistry().adoptConfigBeanDelete((ConfigBean)bean, domainName);
        }
    }
}
