/*
 *   Licensed to the Apache Software Foundation (ASF) under one
 *   or more contributor license agreements.  See the NOTICE file
 *   distributed with this work for additional information
 *   regarding copyright ownership.  The ASF licenses this file
 *   to you under the Apache License, Version 2.0 (the
 *   "License"); you may not use this file except in compliance
 *   with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing,
 *   software distributed under the License is distributed on an
 *   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *   KIND, either express or implied.  See the License for the
 *   specific language governing permissions and limitations
 *   under the License.
 *
 */
package org.apache.directory.api.ldap.extras.extended.ads_impl.startTransaction;


import org.apache.directory.api.asn1.util.Asn1Buffer;
import org.apache.directory.api.ldap.codec.api.AbstractExtendedOperationFactory;
import org.apache.directory.api.ldap.codec.api.ExtendedOperationFactory;
import org.apache.directory.api.ldap.codec.api.LdapApiService;
import org.apache.directory.api.ldap.extras.extended.startTransaction.StartTransactionRequest;
import org.apache.directory.api.ldap.extras.extended.startTransaction.StartTransactionRequestImpl;
import org.apache.directory.api.ldap.extras.extended.startTransaction.StartTransactionResponse;
import org.apache.directory.api.ldap.extras.extended.startTransaction.StartTransactionResponseImpl;
import org.apache.directory.api.ldap.model.message.ExtendedResponse;


/**
 * An {@link ExtendedOperationFactory} for creating StartTransaction extended request response 
 * pairs.
 *
 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
 */
public class StartTransactionFactory extends AbstractExtendedOperationFactory
{
    /**
     * Creates a new instance of StartTransactionFactory.
     *
     * @param codec The codec for this factory.
     */
    public StartTransactionFactory( LdapApiService codec )
    {
        super( codec, StartTransactionRequest.EXTENSION_OID );
    }


    /**
     * {@inheritDoc}
     */
    @Override
    public StartTransactionRequest newRequest()
    {
        return new StartTransactionRequestImpl();
    }


    /**
     * {@inheritDoc}
     */
    @Override
    public StartTransactionResponse newResponse()
    {
        return new StartTransactionResponseImpl();
    }


    /**
     * {@inheritDoc}
     */
    @Override
    public StartTransactionResponse newResponse( byte[] encodedValue )
    {
        return new StartTransactionResponseImpl( encodedValue );
    }


    /**
     * {@inheritDoc}
     */
    @Override
    public void encodeValue( Asn1Buffer buffer, ExtendedResponse extendedResponse )
    {
        // This is a hack !!! We remove the response name from the response
        // because it has only be added to find the factory, but we don't want it
        // top be injected in the encoded PDU...
        extendedResponse.setResponseName( null );
        
        // Now, encode the TransactiuonID
        buffer.put( ( ( StartTransactionResponse ) extendedResponse  ).getTransactionId() );
    }
}
