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 */
020package org.apache.directory.api.ldap.extras.extended.ads_impl.whoAmI;
021
022
023import java.nio.ByteBuffer;
024
025import org.apache.directory.api.asn1.DecoderException;
026import org.apache.directory.api.asn1.ber.Asn1Decoder;
027import org.apache.directory.api.ldap.extras.extended.whoAmI.WhoAmIResponse;
028
029
030/**
031 * 
032 * A decoder for WhoAmIRequest.
033 *
034 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
035 */
036public class WhoAmIResponseDecoder extends Asn1Decoder
037{
038    /** The decoder */
039    private static final Asn1Decoder DECODER = new Asn1Decoder();
040
041
042    /**
043     * Decode a PDU which must contain a WhoAmIRequest extended operation.
044     * Note that the stream of bytes much contain a full PDU, not a partial one.
045     * 
046     * @param stream The bytes to be decoded
047     * @return a WhoAmIRequest object
048     * @throws org.apache.directory.api.asn1.DecoderException If the decoding failed
049     */
050    public WhoAmIResponse decode( byte[] stream ) throws DecoderException
051    {
052        ByteBuffer bb = ByteBuffer.wrap( stream );
053        WhoAmIResponseContainer container = new WhoAmIResponseContainer();
054        DECODER.decode( bb, container );
055        WhoAmIResponseDecorator whoAmIResponse = container.getWhoAmIResponse();
056
057        // Clean the container for the next decoding
058        container.clean();
059
060        return whoAmIResponse;
061    }
062}