001 /* 002 * CDDL HEADER START 003 * 004 * The contents of this file are subject to the terms of the 005 * Common Development and Distribution License, Version 1.0 only 006 * (the "License"). You may not use this file except in compliance 007 * with the License. 008 * 009 * You can obtain a copy of the license at 010 * trunk/opends/resource/legal-notices/OpenDS.LICENSE 011 * or https://OpenDS.dev.java.net/OpenDS.LICENSE. 012 * See the License for the specific language governing permissions 013 * and limitations under the License. 014 * 015 * When distributing Covered Code, include this CDDL HEADER in each 016 * file and include the License file at 017 * trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable, 018 * add the following below this CDDL HEADER, with the fields enclosed 019 * by brackets "[]" replaced with your own identifying information: 020 * Portions Copyright [yyyy] [name of copyright owner] 021 * 022 * CDDL HEADER END 023 * 024 * 025 * Copyright 2006-2008 Sun Microsystems, Inc. 026 */ 027 package org.opends.server.protocols.asn1; 028 029 030 031 /** 032 * This class defines a number of constants that may be used when interacting 033 * with ASN.1 elements. 034 */ 035 @org.opends.server.types.PublicAPI( 036 stability=org.opends.server.types.StabilityLevel.UNCOMMITTED, 037 mayInstantiate=false, 038 mayExtend=false, 039 mayInvoke=true) 040 public final class ASN1Constants 041 { 042 /** 043 * The BER type that is assigned to the universal Boolean element. 044 */ 045 public static final byte UNIVERSAL_BOOLEAN_TYPE = 0x01; 046 047 048 049 /** 050 * The BER type that is assigned to the universal integer type. 051 */ 052 public static final byte UNIVERSAL_INTEGER_TYPE = 0x02; 053 054 055 056 /** 057 * The BER type that is assigned to the universal octet string type. 058 */ 059 public static final byte UNIVERSAL_OCTET_STRING_TYPE = 0x04; 060 061 062 063 /** 064 * The BER type that is assigned to the universal null type. 065 */ 066 public static final byte UNIVERSAL_NULL_TYPE = 0x05; 067 068 069 070 /** 071 * The BER type that is assigned to the universal enumerated type. 072 */ 073 public static final byte UNIVERSAL_ENUMERATED_TYPE = 0x0A; 074 075 076 077 /** 078 * The BER type that is assigned to the universal sequence type. 079 */ 080 public static final byte UNIVERSAL_SEQUENCE_TYPE = 0x30; 081 082 083 084 /** 085 * The BER type that is assigned to the universal set type. 086 */ 087 public static final byte UNIVERSAL_SET_TYPE = 0x31; 088 089 090 091 /** 092 * The byte array that will be used for ASN.1 elements with no value. 093 */ 094 public static final byte[] NO_VALUE = new byte[0]; 095 096 097 098 /** 099 * The bitmask that can be ANDed with the BER type to zero out all bits except 100 * those used in the class. 101 */ 102 public static final byte TYPE_MASK_ALL_BUT_CLASS = (byte) 0xC0; 103 104 105 106 /** 107 * The bitmask that can be ANDed with the BER type to determine if the element 108 * is in the universal class. 109 */ 110 public static final byte TYPE_MASK_UNIVERSAL = 0x00; 111 112 113 114 /** 115 * The bitmask that can be ANDed with the BER type to determine if the element 116 * is in the application-specific class. 117 */ 118 public static final byte TYPE_MASK_APPLICATION = 0x40; 119 120 121 122 /** 123 * The bitmask that can be ANDed with the BER type to determine if the element 124 * is in the context-specific class. 125 */ 126 public static final byte TYPE_MASK_CONTEXT = (byte) 0x80; 127 128 129 130 /** 131 * The bitmask that can be ANDed with the BER type to determine if the element 132 * is in the private class. 133 */ 134 public static final byte TYPE_MASK_PRIVATE = (byte) 0xC0; 135 136 137 138 /** 139 * The bitmask that can be ANDed with the BER type to zero out all bits except 140 * the primitive/constructed bit. 141 */ 142 public static final byte TYPE_MASK_ALL_BUT_PC = (byte) 0x20; 143 144 145 146 /** 147 * The bitmask that can be ANDed with the BER type to determine if the element 148 * is a primitive. 149 */ 150 public static final byte TYPE_MASK_PRIMITIVE = 0x00; 151 152 153 154 /** 155 * The bitmask that can be ANDed with the BER type to determine if the element 156 * is constructed. 157 */ 158 public static final byte TYPE_MASK_CONSTRUCTED = 0x20; 159 160 161 162 /** 163 * The byte array containing the pre-encoded ASN.1 encoding for a boolean 164 * value of "false". 165 */ 166 public static final byte[] BOOLEAN_VALUE_FALSE = { 0x00 }; 167 168 169 170 /** 171 * The byte array containing the pre-encoded ASN.1 encoding for a boolean 172 * value of "false". 173 */ 174 public static final byte[] BOOLEAN_VALUE_TRUE = { (byte) 0xFF }; 175 } 176