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.asn1.ber.tlv; 021 022 023import org.apache.directory.api.asn1.DecoderException; 024 025 026/** 027 * A MBean used to get stats on the decoding process. 028 * 029 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 030 */ 031public interface TLVBerDecoderMBean 032{ 033 /** 034 * Set the number of bytes that can be used to encode the Value length, 035 * including the first byte. Max is 127 if the Length use a definite form, 036 * default is 1 037 * 038 * @param length the number of byte to use 039 * @throws DecoderException Thrown if the indefinite length is 040 * allowed or if the length's Length is above 126 bytes 041 */ 042 void setMaxLengthLength( int length ) throws DecoderException; 043 044 045 /** 046 * Set the maximum number of bytes that should be used to encode a Tag 047 * label, including the first byte. Default is 1, no maximum 048 * 049 * @param length The length to use 050 */ 051 void setMaxTagLength( int length ); 052 053 054 /** Allow indefinite length. */ 055 void allowIndefiniteLength(); 056 057 058 /** Disallow indefinite length. */ 059 void disallowIndefiniteLength(); 060 061 062 /** 063 * Get the actual maximum number of bytes that can be used to encode the 064 * Length 065 * 066 * @return The maximum bytes of the Length 067 */ 068 int getMaxLengthLength(); 069 070 071 /** 072 * Get the actual maximum number of bytes that can be used to encode the Tag 073 * 074 * @return The maximum length of the Tag 075 */ 076 int getMaxTagLength(); 077 078 079 /** 080 * Tell if indefinite length form could be used for Length 081 * 082 * @return <code>true</code> if the Indefinite form is allowed 083 */ 084 boolean isIndefiniteLengthAllowed(); 085}