/*
 *        JacORB - a free Java ORB
 *
 *   Copyright (C) 1997-2004 Gerald Brose.
 *
 *   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.
 */

package org.jacorb.orb.giop;

import org.omg.BiDirPolicy.BIDIRECTIONAL_POLICY_TYPE;
import org.omg.BiDirPolicy.BOTH;
import org.omg.BiDirPolicy.BidirectionalPolicyValueHelper;
import org.omg.BiDirPolicy.NORMAL;
import org.omg.CORBA.Any;
import org.omg.CORBA.BAD_POLICY;
import org.omg.CORBA.BAD_POLICY_VALUE;
import org.omg.CORBA.Policy;
import org.omg.CORBA.PolicyError;
import org.omg.PortableInterceptor.PolicyFactory;

/**
 * @author Nicolas Noffke
 * @version $Id: BiDirPolicyFactory.java,v 1.9 2006-06-28 12:41:43 alphonse.bendt Exp $
 */
public class BiDirPolicyFactory
    extends org.omg.CORBA.LocalObject
    implements PolicyFactory
{
    public Policy create_policy( int type, Any any )
        throws PolicyError
    {
        if( type != BIDIRECTIONAL_POLICY_TYPE.value )
        {
            throw new PolicyError("Invalid policy type of " + type,
                                  BAD_POLICY.value );
        }

        short value = BidirectionalPolicyValueHelper.extract( any );

        if( value != NORMAL.value &&
            value != BOTH.value )
        {
            throw new PolicyError("Invalid value for BiDir policy of " + value,
                                  BAD_POLICY_VALUE.value);
        }

        return new BiDirPolicy( value );
    }
}
