| /* |
| * Copyright (c) 1997, 2007, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| |
| package com.sun.jmx.snmp.IPAcl; |
| |
| |
| |
| import java.net.InetAddress; |
| import java.net.UnknownHostException; |
| import java.io.Serializable; |
| |
| |
| /** |
| * Principal represents a host. |
| * |
| */ |
| |
| class PrincipalImpl implements java.security.Principal, Serializable { |
| private static final long serialVersionUID = -7910027842878976761L; |
| |
| private InetAddress[] add = null; |
| |
| /** |
| * Constructs a principal with the local host. |
| */ |
| public PrincipalImpl () throws UnknownHostException { |
| add = new InetAddress[1]; |
| add[0] = java.net.InetAddress.getLocalHost(); |
| } |
| |
| /** |
| * Construct a principal using the specified host. |
| * <P> |
| * The host can be either: |
| * <UL> |
| * <LI> a host name |
| * <LI> an IP address |
| * </UL> |
| * |
| * @param hostName the host used to make the principal. |
| */ |
| public PrincipalImpl(String hostName) throws UnknownHostException { |
| if ((hostName.equals("localhost")) || (hostName.equals("127.0.0.1"))) { |
| add = new InetAddress[1]; |
| add[0] = java.net.InetAddress.getByName(hostName); |
| } |
| else |
| add = java.net.InetAddress.getAllByName( hostName ); |
| } |
| |
| /** |
| * Constructs a principal using an Internet Protocol (IP) address. |
| * |
| * @param address the Internet Protocol (IP) address. |
| */ |
| public PrincipalImpl(InetAddress address) { |
| add = new InetAddress[1]; |
| add[0] = address; |
| } |
| |
| /** |
| * Returns the name of this principal. |
| * |
| * @return the name of this principal. |
| */ |
| public String getName() { |
| return add[0].toString(); |
| } |
| |
| /** |
| * Compares this principal to the specified object. Returns true if the |
| * object passed in matches the principal |
| * represented by the implementation of this interface. |
| * |
| * @param a the principal to compare with. |
| * @return true if the principal passed in is the same as that encapsulated by this principal, false otherwise. |
| */ |
| public boolean equals(Object a) { |
| if (a instanceof PrincipalImpl){ |
| for(int i = 0; i < add.length; i++) { |
| if(add[i].equals (((PrincipalImpl) a).getAddress())) |
| return true; |
| } |
| return false; |
| } else { |
| return false; |
| } |
| } |
| |
| /** |
| * Returns a hashcode for this principal. |
| * |
| * @return a hashcode for this principal. |
| */ |
| public int hashCode(){ |
| return add[0].hashCode(); |
| } |
| |
| /** |
| * Returns a string representation of this principal. In case of multiple address, the first one is returned. |
| * |
| * @return a string representation of this principal. |
| */ |
| public String toString() { |
| return ("PrincipalImpl :"+add[0].toString()); |
| } |
| |
| /** |
| * Returns the Internet Protocol (IP) address for this principal. In case of multiple address, the first one is returned. |
| * |
| * @return the Internet Protocol (IP) address for this principal. |
| */ |
| public InetAddress getAddress(){ |
| return add[0]; |
| } |
| |
| /** |
| * Returns the Internet Protocol (IP) address for this principal. In case of multiple address, the first one is returned. |
| * |
| * @return the array of Internet Protocol (IP) addresses for this principal. |
| */ |
| public InetAddress[] getAddresses(){ |
| return add; |
| } |
| } |