1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 * 19 */ 20 package org.apache.directory.api.asn1; 21 22 23 import java.nio.ByteBuffer; 24 25 26 /** 27 * An abstract class which implements basic TLV operations. 28 * 29 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 30 */ 31 public interface Asn1Object 32 { 33 /** 34 * Compute the object length, which is the sum of all inner length. 35 * 36 * @return The object's computed length 37 */ 38 int computeLength(); 39 40 41 /** 42 * Encode the object to a PDU. 43 * 44 * @param buffer The buffer where to put the PDU 45 * @return The encoded PDU. 46 * @throws EncoderException if the buffer can't be encoded 47 */ 48 ByteBuffer encode( ByteBuffer buffer ) throws EncoderException; 49 }