AdminPropertySet.java example

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jacorb-master
package org.jacorb.notification.util;

/*
 *        JacORB - a free Java ORB
 *
 *   Copyright (C) 1997-2014 Gerald Brose / The JacORB Team.
 *
 *   This library is free software; you can redistribute it and/or
 *   modify it under the terms of the GNU Library General Public
 *   License as published by the Free Software Foundation; either
 *   version 2 of the License, or (at your option) any later version.
 *
 *   This library 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
 *   Library General Public License for more details.
 *
 *   You should have received a copy of the GNU Library General Public
 *   License along with this library; if not, write to the Free
 *   Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.jacorb.config.Configuration;
import org.jacorb.config.ConfigurationException;
import org.jacorb.notification.conf.Attributes;
import org.jacorb.notification.conf.Default;
import org.omg.CORBA.Any;
import org.omg.CORBA.INTERNAL;
import org.omg.CosNotification.MaxConsumers;
import org.omg.CosNotification.MaxQueueLength;
import org.omg.CosNotification.MaxSuppliers;
import org.omg.CosNotification.Property;
import org.omg.CosNotification.PropertyError;
import org.omg.CosNotification.RejectNewEvents;
import org.omg.CosNotification.UnsupportedAdmin;

/**
 * @author Alphonse Bendt
 */

public class AdminPropertySet
    extends PropertySet {

    private final static Set<String> sAdminPropertyNames_;

    private final Property[] defaultProperties_;

    static {
        HashSet<String> _adminProps = new HashSet<String>();

        _adminProps.add(MaxQueueLength.value);
        _adminProps.add(MaxConsumers.value);
        _adminProps.add(MaxSuppliers.value);
        _adminProps.add(RejectNewEvents.value);

        sAdminPropertyNames_ = Collections.unmodifiableSet(_adminProps);
    }

    ////////////////////////////////////////

    private final Set<String> validNames_ = sAdminPropertyNames_;

    ////////////////////////////////////////

    public AdminPropertySet(Configuration config)
    {
       super();

       try
       {
          int _maxConsumersDefault = config.getAttributeAsInteger(Attributes.MAX_NUMBER_CONSUMERS,
                                                                  Default.DEFAULT_MAX_NUMBER_CONSUMERS);
          Any _maxConsumersDefaultAny = sORB.create_any();
          _maxConsumersDefaultAny.insert_long( _maxConsumersDefault );

          //////////////////////////////

          int _maxSuppliersDefault =
             config.getAttributeAsInteger(Attributes.MAX_NUMBER_SUPPLIERS,
                                          Default.DEFAULT_MAX_NUMBER_SUPPLIERS);

          Any _maxSuppliersDefaultAny = sORB.create_any();
          _maxSuppliersDefaultAny.insert_long(_maxSuppliersDefault);

          //////////////////////////////

          int _maxQueueLength =
             config.getAttributeAsInteger(Attributes.MAX_QUEUE_LENGTH,
                                          Default.DEFAULT_MAX_QUEUE_LENGTH);

          Any _maxQueueLengthAny = sORB.create_any();
          _maxQueueLengthAny.insert_long(_maxQueueLength);

          //////////////////////////////

          boolean _rejectNewEvents =
             config.getAttribute(Attributes.REJECT_NEW_EVENTS,
                                 Default.DEFAULT_REJECT_NEW_EVENTS).equals("on");

          Any _rejectNewEventsAny = sORB.create_any();
          _rejectNewEventsAny.insert_boolean(_rejectNewEvents);

          //////////////////////////////

          defaultProperties_ = new Property[] {
                   new Property(MaxConsumers.value, _maxConsumersDefaultAny),
                   new Property(MaxSuppliers.value, _maxSuppliersDefaultAny),
                   new Property(MaxQueueLength.value, _maxQueueLengthAny),
                   new Property(RejectNewEvents.value, _rejectNewEventsAny)
          };

          set_admin(defaultProperties_);
       }
       catch (ConfigurationException ex)
       {
          throw new INTERNAL ("Configuration exception" + ex);
       }
    }


    public Set<String> getValidNames()
    {
        return validNames_;
    }


    public void set_admin(Property[] ps)
    {
        set_properties(ps);
    }


    public Property[] get_admin()
    {
        return toArray();
    }


    public void validate_admin(Property[] ps) throws UnsupportedAdmin
    {
        List<PropertyError> _errors = new ArrayList<PropertyError>();

        checkPropertyExistence(ps, _errors);

        if (!_errors.isEmpty())
            {
                throw new UnsupportedAdmin((PropertyError[])_errors.toArray(PROPERTY_ERROR_ARRAY_TEMPLATE));
            }
    }
}