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.codec.controls.cascade; 021 022 023import java.nio.ByteBuffer; 024 025import org.apache.directory.api.asn1.Asn1Object; 026import org.apache.directory.api.asn1.DecoderException; 027import org.apache.directory.api.asn1.EncoderException; 028import org.apache.directory.api.ldap.codec.api.CodecControl; 029import org.apache.directory.api.ldap.codec.api.ControlDecorator; 030import org.apache.directory.api.ldap.codec.api.LdapApiService; 031import org.apache.directory.api.ldap.model.message.controls.Cascade; 032 033 034/** 035 * The Cascade control decorator. 036 * 037 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 038 */ 039public class CascadeDecorator extends ControlDecorator<Cascade> implements CodecControl<Cascade>, Cascade 040{ 041 /** 042 * Default constructor 043 */ 044 public CascadeDecorator( LdapApiService codec, Cascade control ) 045 { 046 super( codec, control ); 047 } 048 049 050 /** 051 * Returns the default control length. 052 */ 053 public int computeLength() 054 { 055 return 0; 056 } 057 058 059 public Asn1Object decode( byte[] controlBytes ) throws DecoderException 060 { 061 return this; 062 } 063 064 065 @Override 066 public ByteBuffer encode( ByteBuffer buffer ) throws EncoderException 067 { 068 return buffer; 069 } 070}