001    /*
002     *  Licensed to the Apache Software Foundation (ASF) under one
003     *  or more contributor license agreements.  See the NOTICE file
004     *  distributed with this work for additional information
005     *  regarding copyright ownership.  The ASF licenses this file
006     *  to you under the Apache License, Version 2.0 (the
007     *  "License"); you may not use this file except in compliance
008     *  with the License.  You may obtain a copy of the License at
009     *  
010     *    http://www.apache.org/licenses/LICENSE-2.0
011     *  
012     *  Unless required by applicable law or agreed to in writing,
013     *  software distributed under the License is distributed on an
014     *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     *  KIND, either express or implied.  See the License for the
016     *  specific language governing permissions and limitations
017     *  under the License. 
018     *  
019     */
020    package org.apache.directory.shared.ldap.codec.controls.replication.syncInfoValue;
021    
022    
023    import java.nio.ByteBuffer;
024    
025    import javax.naming.NamingException;
026    
027    import org.apache.directory.shared.asn1.Asn1Object;
028    import org.apache.directory.shared.asn1.ber.Asn1Decoder;
029    import org.apache.directory.shared.asn1.codec.DecoderException;
030    import org.apache.directory.shared.ldap.codec.controls.ControlDecoder;
031    import org.apache.directory.shared.ldap.message.control.Control;
032    
033    
034    /**
035     * A decoder for SyncInfoValueControl.
036     * 
037     * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
038     * @version $Rev: 741888 $, $Date: 2009-02-07 13:57:03 +0100 (Sat, 07 Feb 2009) $, 
039     */
040    public class SyncInfoValueControlDecoder extends Asn1Decoder implements ControlDecoder
041    {
042        /** An instance of this decoder */
043        private static final Asn1Decoder decoder = new Asn1Decoder();
044    
045        /**
046         * Decode the syncInfoValue control
047         * 
048         * @param controlBytes The bytes array which contains the encoded syncInfoValue
049         * 
050         * @return A valid SyncInfoValueControl object
051         * 
052         * @throws DecoderException If the decoding found an error
053         * @throws NamingException It will never be throw by this method
054         */
055        public Asn1Object decode( byte[] controlBytes, Control control ) throws DecoderException
056        {
057            ByteBuffer bb = ByteBuffer.wrap( controlBytes );
058            SyncInfoValueControlContainer container = new SyncInfoValueControlContainer();
059            container.setSyncInfoValueControl( (SyncInfoValueControl)control );
060    
061            decoder.decode( bb, container );
062            return container.getSyncInfoValueControl();
063        }
064    }