Showing the changes to java/pkg/sun/security/x509/DistributionPointName.java (1 of 18352 files). Show all
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| 1 | +/* | |
| 2 | + * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved. | |
| 3 | + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 | + * | |
| 5 | + * This code is free software; you can redistribute it and/or modify it | |
| 6 | + * under the terms of the GNU General Public License version 2 only, as | |
| 7 | + * published by the Free Software Foundation. Oracle designates this | |
| 8 | + * particular file as subject to the "Classpath" exception as provided | |
| 9 | + * by Oracle in the LICENSE file that accompanied this code. | |
| 10 | + * | |
| 11 | + * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 | + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 | + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 | + * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 | + * accompanied this code). | |
| 16 | + * | |
| 17 | + * You should have received a copy of the GNU General Public License version | |
| 18 | + * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 | + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 | + * | |
| 21 | + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 | + * or visit www.oracle.com if you need additional information or have any | |
| 23 | + * questions. | |
| 24 | + */ | |
| 25 | + | |
| 26 | +package sun.security.x509; | |
| 27 | + | |
| 28 | +import java.io.IOException; | |
| 29 | +import java.util.*; | |
| 30 | + | |
| 31 | +import sun.security.util.BitArray; | |
| 32 | +import sun.security.util.DerOutputStream; | |
| 33 | +import sun.security.util.DerValue; | |
| 34 | + | |
| 35 | +/** | |
| 36 | + * Represents the DistributionPointName ASN.1 type. | |
| 37 | + * | |
| 38 | + * It is used in the CRL Distribution Points Extension (OID = 2.5.29.31) | |
| 39 | + * and the Issuing Distribution Point Extension (OID = 2.5.29.28). | |
| 40 | + * <p> | |
| 41 | + * Its ASN.1 definition is: | |
| 42 | + * <pre> | |
| 43 | + * | |
| 44 | + * DistributionPointName ::= CHOICE { | |
| 45 | + * fullName [0] GeneralNames, | |
| 46 | + * nameRelativeToCRLIssuer [1] RelativeDistinguishedName } | |
| 47 | + * | |
| 48 | + * GeneralNames ::= SEQUENCE SIZE (1..MAX) OF GeneralName | |
| 49 | + * | |
| 50 | + * GeneralName ::= CHOICE { | |
| 51 | + * otherName [0] INSTANCE OF OTHER-NAME, | |
| 52 | + * rfc822Name [1] IA5String, | |
| 53 | + * dNSName [2] IA5String, | |
| 54 | + * x400Address [3] ORAddress, | |
| 55 | + * directoryName [4] Name, | |
| 56 | + * ediPartyName [5] EDIPartyName, | |
| 57 | + * uniformResourceIdentifier [6] IA5String, | |
| 58 | + * iPAddress [7] OCTET STRING, | |
| 59 | + * registeredID [8] OBJECT IDENTIFIER } | |
| 60 | + * | |
| 61 | + * RelativeDistinguishedName ::= SET OF AttributeTypeAndValue | |
| 62 | + * | |
| 63 | + * AttributeTypeAndValue ::= SEQUENCE { | |
| 64 | + * type AttributeType, | |
| 65 | + * value AttributeValue } | |
| 66 | + * | |
| 67 | + * AttributeType ::= OBJECT IDENTIFIER | |
| 68 | + * | |
| 69 | + * AttributeValue ::= ANY DEFINED BY AttributeType | |
| 70 | + * | |
| 71 | + * </pre> | |
| 72 | + * <p> | |
| 73 | + * Instances of this class are designed to be immutable. However, since this | |
| 74 | + * is an internal API we do not use defensive cloning for values for | |
| 75 | + * performance reasons. It is the responsibility of the consumer to ensure | |
| 76 | + * that no mutable elements are modified. | |
| 77 | + * | |
| 78 | + * @see CRLDistributionPointsExtension | |
| 79 | + * @see IssuingDistributionPointExtension | |
| 80 | + * @since 1.6 | |
| 81 | + */ | |
| 82 | +public class DistributionPointName { | |
| 83 | + | |
| 84 | + // ASN.1 context specific tag values | |
| 85 | + private static final byte TAG_FULL_NAME = 0; | |
| 86 | + private static final byte TAG_RELATIVE_NAME = 1; | |
| 87 | + | |
| 88 | + // Only one of fullName and relativeName can be set | |
| 89 | + private GeneralNames fullName = null; | |
| 90 | + private RDN relativeName = null; | |
| 91 | + | |
| 92 | + // Cached hashCode value | |
| 93 | + private volatile int hashCode; | |
| 94 | + | |
| 95 | + /** | |
| 96 | + * Creates a distribution point name using a full name. | |
| 97 | + * | |
| 98 | + * @param fullName the name for the distribution point. | |
| 99 | + * @exception IllegalArgumentException if <code>fullName</code> is null. | |
| 100 | + */ | |
| 101 | + public DistributionPointName(GeneralNames fullName) { | |
| 102 | + | |
| 103 | + if (fullName == null) { | |
| 104 | + throw new IllegalArgumentException("fullName must not be null"); | |
| 105 | + } | |
| 106 | + this.fullName = fullName; | |
| 107 | + } | |
| 108 | + | |
| 109 | + /** | |
| 110 | + * Creates a distribution point name using a relative name. | |
| 111 | + * | |
| 112 | + * @param relativeName the name of the distribution point relative to | |
| 113 | + * the name of the issuer of the CRL. | |
| 114 | + * @exception IllegalArgumentException if <code>relativeName</code> is null. | |
| 115 | + */ | |
| 116 | + public DistributionPointName(RDN relativeName) { | |
| 117 | + | |
| 118 | + if (relativeName == null) { | |
| 119 | + throw new IllegalArgumentException("relativeName must not be null"); | |
| 120 | + } | |
| 121 | + this.relativeName = relativeName; | |
| 122 | + } | |
| 123 | + | |
| 124 | + /** | |
| 125 | + * Creates a distribution point name from its DER-encoded form. | |
| 126 | + * | |
| 127 | + * @param encoding the DER-encoded value. | |
| 128 | + * @throws IOException on decoding error. | |
| 129 | + */ | |
| 130 | + public DistributionPointName(DerValue encoding) throws IOException { | |
| 131 | + | |
| 132 | + if (encoding.isContextSpecific(TAG_FULL_NAME) && | |
| 133 | + encoding.isConstructed()) { | |
| 134 | + | |
| 135 | + encoding.resetTag(DerValue.tag_Sequence); | |
| 136 | + fullName = new GeneralNames(encoding); | |
| 137 | + | |
| 138 | + } else if (encoding.isContextSpecific(TAG_RELATIVE_NAME) && | |
| 139 | + encoding.isConstructed()) { | |
| 140 | + | |
| 141 | + encoding.resetTag(DerValue.tag_Set); | |
| 142 | + relativeName = new RDN(encoding); | |
| 143 | + | |
| 144 | + } else { | |
| 145 | + throw new IOException("Invalid encoding for DistributionPointName"); | |
| 146 | + } | |
| 147 | + | |
| 148 | + } | |
| 149 | + | |
| 150 | + /** | |
| 151 | + * Returns the full name for the distribution point or null if not set. | |
| 152 | + */ | |
| 153 | + public GeneralNames getFullName() { | |
| 154 | + return fullName; | |
| 155 | + } | |
| 156 | + | |
| 157 | + /** | |
| 158 | + * Returns the relative name for the distribution point or null if not set. | |
| 159 | + */ | |
| 160 | + public RDN getRelativeName() { | |
| 161 | + return relativeName; | |
| 162 | + } | |
| 163 | + | |
| 164 | + /** | |
| 165 | + * Encodes the distribution point name and writes it to the DerOutputStream. | |
| 166 | + * | |
| 167 | + * @param out the output stream. | |
| 168 | + * @exception IOException on encoding error. | |
| 169 | + */ | |
| 170 | + public void encode(DerOutputStream out) throws IOException { | |
| 171 | + | |
| 172 | + DerOutputStream theChoice = new DerOutputStream(); | |
| 173 | + | |
| 174 | + if (fullName != null) { | |
| 175 | + fullName.encode(theChoice); | |
| 176 | + out.writeImplicit( | |
| 177 | + DerValue.createTag(DerValue.TAG_CONTEXT, true, TAG_FULL_NAME), | |
| 178 | + theChoice); | |
| 179 | + | |
| 180 | + } else { | |
| 181 | + relativeName.encode(theChoice); | |
| 182 | + out.writeImplicit( | |
| 183 | + DerValue.createTag(DerValue.TAG_CONTEXT, true, | |
| 184 | + TAG_RELATIVE_NAME), | |
| 185 | + theChoice); | |
| 186 | + } | |
| 187 | + } | |
| 188 | + | |
| 189 | + /** | |
| 190 | + * Compare an object to this distribution point name for equality. | |
| 191 | + * | |
| 192 | + * @param obj Object to be compared to this | |
| 193 | + * @return true if objects match; false otherwise | |
| 194 | + */ | |
| 195 | + public boolean equals(Object obj) { | |
| 196 | + if (this == obj) { | |
| 197 | + return true; | |
| 198 | + } | |
| 199 | + if (obj instanceof DistributionPointName == false) { | |
| 200 | + return false; | |
| 201 | + } | |
| 202 | + DistributionPointName other = (DistributionPointName)obj; | |
| 203 | + | |
| 204 | + return equals(this.fullName, other.fullName) && | |
| 205 | + equals(this.relativeName, other.relativeName); | |
| 206 | + } | |
| 207 | + | |
| 208 | + /** | |
| 209 | + * Returns the hash code for this distribution point name. | |
| 210 | + * | |
| 211 | + * @return the hash code. | |
| 212 | + */ | |
| 213 | + public int hashCode() { | |
| 214 | + int hash = hashCode; | |
| 215 | + if (hash == 0) { | |
| 216 | + hash = 1; | |
| 217 | + if (fullName != null) { | |
| 218 | + hash += fullName.hashCode(); | |
| 219 | + | |
| 220 | + } else { | |
| 221 | + hash += relativeName.hashCode(); | |
| 222 | + } | |
| 223 | + hashCode = hash; | |
| 224 | + } | |
| 225 | + return hash; | |
| 226 | + } | |
| 227 | + | |
| 228 | + /** | |
| 229 | + * Returns a printable string of the distribution point name. | |
| 230 | + */ | |
| 231 | + public String toString() { | |
| 232 | + StringBuilder sb = new StringBuilder(); | |
| 233 | + if (fullName != null) { | |
| 234 | + sb.append("DistributionPointName:\n " + fullName + "\n"); | |
| 235 | + | |
| 236 | + } else { | |
| 237 | + sb.append("DistributionPointName:\n " + relativeName + "\n"); | |
| 238 | + } | |
| 239 | + | |
| 240 | + return sb.toString(); | |
| 241 | + } | |
| 242 | + | |
| 243 | + /* | |
| 244 | + * Utility function for a.equals(b) where both a and b may be null. | |
| 245 | + */ | |
| 246 | + private static boolean equals(Object a, Object b) { | |
| 247 | + return (a == null) ? (b == null) : a.equals(b); | |
| 248 | + } | |
| 249 | +} | |