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.gracefulShutdown; 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.gracefulShutdown.GracefulShutdownRequest; 028 029 030/** 031 * A decoder for GracefulShutdowns. 032 * 033 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 034 */ 035public class GracefulShutdownDecoder extends Asn1Decoder 036{ 037 /** The decoder */ 038 private static final Asn1Decoder DECODER = new Asn1Decoder(); 039 040 041 /** 042 * Decode a PDU which must contain a GracefulShutdown extended operation. 043 * Note that the stream of bytes much contain a full PDU, not a partial one. 044 * 045 * @param stream The bytes to be decoded 046 * @return An GracefulShutdown object 047 * @throws org.apache.directory.api.asn1.DecoderException If the decoding failed 048 */ 049 public GracefulShutdownRequest decode( byte[] stream ) throws DecoderException 050 { 051 ByteBuffer bb = ByteBuffer.wrap( stream ); 052 GracefulShutdownContainer container = new GracefulShutdownContainer(); 053 DECODER.decode( bb, container ); 054 GracefulShutdownRequestDecorator gracefulShutdown = container.getGracefulShutdownRequest(); 055 056 // Clean the container for the next decoding 057 container.clean(); 058 059 return gracefulShutdown; 060 } 061}