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 * https://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.asn1; 021 022 023import java.nio.ByteBuffer; 024 025 026/** 027 * An abstract class which implements basic TLV operations. 028 * 029 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 030 */ 031public interface Asn1Object 032{ 033 /** 034 * Compute the object length, which is the sum of all inner length. 035 * 036 * @return The object's computed length 037 */ 038 int computeLength(); 039 040 041 /** 042 * Encode the object to a PDU. 043 * 044 * @param buffer The buffer where to put the PDU 045 * @return The encoded PDU. 046 * @throws EncoderException if the buffer can't be encoded 047 */ 048 ByteBuffer encode( ByteBuffer buffer ) throws EncoderException; 049}