1 /* 2 * Copyright (c) 1996, 1998, 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 java.security; 27 28 /** 29 * This interface represents the abstract notion of a principal, which 30 * can be used to represent any entity, such as an individual, a 31 * corporation, and a login id. 32 * 33 * @see java.security.cert.X509Certificate 34 * 35 * @author Li Gong 36 */ 37 public interface Principal { 38 39 /** 40 * Compares this principal to the specified object. Returns true 41 * if the object passed in matches the principal represented by 42 * the implementation of this interface. 43 * 44 * @param another principal to compare with. 45 * 46 * @return true if the principal passed in is the same as that 47 * encapsulated by this principal, and false otherwise. 48 49 */ equals(Object another)50 public boolean equals(Object another); 51 52 /** 53 * Returns a string representation of this principal. 54 * 55 * @return a string representation of this principal. 56 */ toString()57 public String toString(); 58 59 /** 60 * Returns a hashcode for this principal. 61 * 62 * @return a hashcode for this principal. 63 */ hashCode()64 public int hashCode(); 65 66 /** 67 * Returns the name of this principal. 68 * 69 * @return the name of this principal. 70 */ getName()71 public String getName(); 72 } 73