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| 1 | +/* | |
| 2 | + * Copyright (c) 1997, 2000, 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 | + | |
| 30 | +import sun.security.util.*; | |
| 31 | + | |
| 32 | +/** | |
| 33 | + * This interface specifies the abstract methods which have to be | |
| 34 | + * implemented by all the members of the GeneralNames ASN.1 object. | |
| 35 | + * | |
| 36 | + * @author Amit Kapoor | |
| 37 | + * @author Hemma Prafullchandra | |
| 38 | + */ | |
| 39 | +public interface GeneralNameInterface { | |
| 40 | + /** | |
| 41 | + * The list of names supported. | |
| 42 | + */ | |
| 43 | + public static final int NAME_ANY = 0; | |
| 44 | + public static final int NAME_RFC822 = 1; | |
| 45 | + public static final int NAME_DNS = 2; | |
| 46 | + public static final int NAME_X400 = 3; | |
| 47 | + public static final int NAME_DIRECTORY = 4; | |
| 48 | + public static final int NAME_EDI = 5; | |
| 49 | + public static final int NAME_URI = 6; | |
| 50 | + public static final int NAME_IP = 7; | |
| 51 | + public static final int NAME_OID = 8; | |
| 52 | + | |
| 53 | + /** | |
| 54 | + * The list of constraint results. | |
| 55 | + */ | |
| 56 | + public static final int NAME_DIFF_TYPE = -1; /* input name is different type from name (i.e. does not constrain) */ | |
| 57 | + public static final int NAME_MATCH = 0; /* input name matches name */ | |
| 58 | + public static final int NAME_NARROWS = 1; /* input name narrows name */ | |
| 59 | + public static final int NAME_WIDENS = 2; /* input name widens name */ | |
| 60 | + public static final int NAME_SAME_TYPE = 3; /* input name does not match, narrow, or widen, but is same type */ | |
| 61 | + | |
| 62 | + /** | |
| 63 | + * Return the type of the general name, as | |
| 64 | + * defined above. | |
| 65 | + */ | |
| 66 | + int getType(); | |
| 67 | + | |
| 68 | + /** | |
| 69 | + * Encode the name to the specified DerOutputStream. | |
| 70 | + * | |
| 71 | + * @param out the DerOutputStream to encode the GeneralName to. | |
| 72 | + * @exception IOException thrown if the GeneralName could not be | |
| 73 | + * encoded. | |
| 74 | + */ | |
| 75 | + void encode(DerOutputStream out) throws IOException; | |
| 76 | + | |
| 77 | + /** | |
| 78 | + * Return type of constraint inputName places on this name:<ul> | |
| 79 | + * <li>NAME_DIFF_TYPE = -1: input name is different type from name (i.e. does not constrain). | |
| 80 | + * <li>NAME_MATCH = 0: input name matches name. | |
| 81 | + * <li>NAME_NARROWS = 1: input name narrows name (is lower in the naming subtree) | |
| 82 | + * <li>NAME_WIDENS = 2: input name widens name (is higher in the naming subtree) | |
| 83 | + * <li>NAME_SAME_TYPE = 3: input name does not match or narrow name, but is same type. | |
| 84 | + * </ul>. These results are used in checking NameConstraints during | |
| 85 | + * certification path verification. | |
| 86 | + * | |
| 87 | + * @param inputName to be checked for being constrained | |
| 88 | + * @returns constraint type above | |
| 89 | + * @throws UnsupportedOperationException if name is same type, but comparison operations are | |
| 90 | + * not supported for this name type. | |
| 91 | + */ | |
| 92 | + int constrains(GeneralNameInterface inputName) throws UnsupportedOperationException; | |
| 93 | + | |
| 94 | + /** | |
| 95 | + * Return subtree depth of this name for purposes of determining | |
| 96 | + * NameConstraints minimum and maximum bounds and for calculating | |
| 97 | + * path lengths in name subtrees. | |
| 98 | + * | |
| 99 | + * @returns distance of name from root | |
| 100 | + * @throws UnsupportedOperationException if not supported for this name type | |
| 101 | + */ | |
| 102 | + int subtreeDepth() throws UnsupportedOperationException; | |
| 103 | +} | |