1 /* 2 * Copyright (c) 1997, 2004, 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 sun.security.util.*; 30 31 /** 32 * This class defines the EDIPartyName of the GeneralName choice. 33 * The ASN.1 syntax for this is: 34 * <pre> 35 * EDIPartyName ::= SEQUENCE { 36 * nameAssigner [0] DirectoryString OPTIONAL, 37 * partyName [1] DirectoryString } 38 * </pre> 39 * 40 * @author Hemma Prafullchandra 41 * @see GeneralName 42 * @see GeneralNames 43 * @see GeneralNameInterface 44 */ 45 public class EDIPartyName implements GeneralNameInterface { 46 47 // Private data members 48 private static final byte TAG_ASSIGNER = 0; 49 private static final byte TAG_PARTYNAME = 1; 50 51 private String assigner = null; 52 private String party = null; 53 54 private int myhash = -1; 55 56 /** 57 * Create the EDIPartyName object from the specified names. 58 * 59 * @param assignerName the name of the assigner 60 * @param partyName the name of the EDI party. 61 */ 62 public EDIPartyName(String assignerName, String partyName) { 63 this.assigner = assignerName; 64 this.party = partyName; 65 } 66 67 /** 68 * Create the EDIPartyName object from the specified name. 69 * 70 * @param partyName the name of the EDI party. 71 */ 72 public EDIPartyName(String partyName) { 73 this.party = partyName; 74 } 75 76 /** 77 * Create the EDIPartyName object from the passed encoded Der value. 78 * 79 * @param derValue the encoded DER EDIPartyName. 80 * @exception IOException on error. 81 */ 82 public EDIPartyName(DerValue derValue) throws IOException { 83 DerInputStream in = new DerInputStream(derValue.toByteArray()); 84 DerValue[] seq = in.getSequence(2); 85 86 int len = seq.length; 87 if (len < 1 || len > 2) 88 throw new IOException("Invalid encoding of EDIPartyName"); 89 90 for (int i = 0; i < len; i++) { 91 DerValue opt = seq[i]; 92 if (opt.isContextSpecific(TAG_ASSIGNER) && 93 !opt.isConstructed()) { 94 if (assigner != null) 95 throw new IOException("Duplicate nameAssigner found in" 96 + " EDIPartyName"); 97 opt = opt.data.getDerValue(); 98 assigner = opt.getAsString(); 99 } 100 if (opt.isContextSpecific(TAG_PARTYNAME) && 101 !opt.isConstructed()) { 102 if (party != null) 103 throw new IOException("Duplicate partyName found in" 104 + " EDIPartyName"); 105 opt = opt.data.getDerValue(); 106 party = opt.getAsString(); 107 } 108 } 109 } 110 111 /** 112 * Return the type of the GeneralName. 113 */ 114 public int getType() { 115 return (GeneralNameInterface.NAME_EDI); 116 } 117 118 /** 119 * Encode the EDI party name into the DerOutputStream. 120 * 121 * @param out the DER stream to encode the EDIPartyName to. 122 * @exception IOException on encoding errors. 123 */ 124 public void encode(DerOutputStream out) throws IOException { 125 DerOutputStream tagged = new DerOutputStream(); 126 DerOutputStream tmp = new DerOutputStream(); 127 128 if (assigner != null) { 129 DerOutputStream tmp2 = new DerOutputStream(); 130 // XXX - shd check is chars fit into PrintableString 131 tmp2.putPrintableString(assigner); 132 tagged.write(DerValue.createTag(DerValue.TAG_CONTEXT, 133 false, TAG_ASSIGNER), tmp2); 134 } 135 if (party == null) 136 throw new IOException("Cannot have null partyName"); 137 138 // XXX - shd check is chars fit into PrintableString 139 tmp.putPrintableString(party); 140 tagged.write(DerValue.createTag(DerValue.TAG_CONTEXT, 141 false, TAG_PARTYNAME), tmp); 142 143 out.write(DerValue.tag_Sequence, tagged); 144 } 145 146 /** 147 * Return the assignerName 148 * 149 * @returns String assignerName 150 */ 151 public String getAssignerName() { 152 return assigner; 153 } 154 155 /** 156 * Return the partyName 157 * 158 * @returns String partyName 159 */ 160 public String getPartyName() { 161 return party; 162 } 163 164 /** 165 * Compare this EDIPartyName with another. Does a byte-string 166 * comparison without regard to type of the partyName and 167 * the assignerName. 168 * 169 * @returns true if the two names match 170 */ 171 public boolean equals(Object other) { 172 if (!(other instanceof EDIPartyName)) 173 return false; 174 String otherAssigner = ((EDIPartyName)other).assigner; 175 if (this.assigner == null) { 176 if (otherAssigner != null) 177 return false; 178 } else { 179 if (!(this.assigner.equals(otherAssigner))) 180 return false; 181 } 182 String otherParty = ((EDIPartyName)other).party; 183 if (this.party == null) { 184 if (otherParty != null) 185 return false; 186 } else { 187 if (!(this.party.equals(otherParty))) 188 return false; 189 } 190 return true; 191 } 192 193 /** 194 * Returns the hash code value for this EDIPartyName. 195 * 196 * @return a hash code value. 197 */ 198 public int hashCode() { 199 if (myhash == -1) { 200 myhash = 37 + party.hashCode(); 201 if (assigner != null) { 202 myhash = 37 * myhash + assigner.hashCode(); 203 } 204 } 205 return myhash; 206 } 207 208 /** 209 * Return the printable string. 210 */ 211 public String toString() { 212 return ("EDIPartyName: " + 213 ((assigner == null) ? "" : 214 (" nameAssigner = " + assigner + ",")) 215 + " partyName = " + party); 216 } 217 218 /** 219 * Return constraint type:<ul> 220 * <li>NAME_DIFF_TYPE = -1: input name is different type from name (i.e. does not constrain) 221 * <li>NAME_MATCH = 0: input name matches name 222 * <li>NAME_NARROWS = 1: input name narrows name 223 * <li>NAME_WIDENS = 2: input name widens name 224 * <li>NAME_SAME_TYPE = 3: input name does not match or narrow name, but is same type 225 * </ul>. These results are used in checking NameConstraints during 226 * certification path verification. 227 * 228 * @param inputName to be checked for being constrained 229 * @returns constraint type above 230 * @throws UnsupportedOperationException if name is same type, but comparison operations are 231 * not supported for this name type. 232 */ 233 public int constrains(GeneralNameInterface inputName) throws UnsupportedOperationException { 234 int constraintType; 235 if (inputName == null) 236 constraintType = NAME_DIFF_TYPE; 237 else if (inputName.getType() != NAME_EDI) 238 constraintType = NAME_DIFF_TYPE; 239 else { 240 throw new UnsupportedOperationException("Narrowing, widening, and matching of names not supported for EDIPartyName"); 241 } 242 return constraintType; 243 } 244 245 /** 246 * Return subtree depth of this name for purposes of determining 247 * NameConstraints minimum and maximum bounds and for calculating 248 * path lengths in name subtrees. 249 * 250 * @returns distance of name from root 251 * @throws UnsupportedOperationException if not supported for this name type 252 */ 253 public int subtreeDepth() throws UnsupportedOperationException { 254 throw new UnsupportedOperationException("subtreeDepth() not supported for EDIPartyName"); 255 } 256 257 } 258
