1 /* 2 * Copyright (c) 2003, 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 package sun.management.snmp.jvminstr; 26 27 import java.net.InetAddress; 28 import java.net.UnknownHostException; 29 30 /** 31 * Notification Target data. 32 */ 33 public class NotificationTargetImpl implements NotificationTarget { 34 private InetAddress address; 35 private int port; 36 private String community; 37 38 /** 39 * Target parameter is a <CODE>java.lang.String</CODE> 40 * target synctax is <host>:<port>:community. Eg: "localhost:163:private". 41 * <p>The <code><em>host</em></code> is a host name, an IPv4 numeric 42 * host address, or an IPv6 numeric address enclosed in square 43 * brackets.</p> 44 * @throws IllegalArgumentException In case the target is malformed 45 */ 46 public NotificationTargetImpl(String target) 47 throws IllegalArgumentException, UnknownHostException { 48 parseTarget(target); 49 } 50 51 public NotificationTargetImpl(String address, int port, 52 String community) 53 throws UnknownHostException { 54 this(InetAddress.getByName(address),port,community); 55 } 56 57 public NotificationTargetImpl(InetAddress address, int port, 58 String community) { 59 this.address = address; 60 this.port = port; 61 this.community = community; 62 } 63 64 private void parseTarget(String target) 65 throws IllegalArgumentException, UnknownHostException { 66 67 if(target == null || 68 target.length() == 0) throw new 69 IllegalArgumentException("Invalid target [" + target + "]"); 70 71 String addrStr; 72 if (target.startsWith("[")) { 73 final int index = target.indexOf(']'); 74 final int index2 = target.lastIndexOf(':'); 75 if(index == -1) 76 throw new IllegalArgumentException("Host starts with [ but " + 77 "does not end with ]"); 78 addrStr = target.substring(1, index); 79 port = Integer.parseInt(target.substring(index + 2, 80 index2)); 81 if (!isNumericIPv6Address(addrStr)) { 82 throw new IllegalArgumentException("Address inside [...] must " + 83 "be numeric IPv6 address"); 84 } 85 if (addrStr.startsWith("[")) 86 throw new IllegalArgumentException("More than one [[...]]"); 87 } else { 88 final int index = target.indexOf(':'); 89 final int index2 = target.lastIndexOf(':'); 90 if(index == -1) throw new 91 IllegalArgumentException("Missing port separator \":\""); 92 addrStr = target.substring(0, index); 93 94 port = Integer.parseInt(target.substring(index + 1, 95 index2)); 96 } 97 98 address = InetAddress.getByName(addrStr); 99 100 //THE CHECK SHOULD BE STRONGER!!! 101 final int index = target.lastIndexOf(':'); 102 103 community = target.substring(index + 1, target.length()); 104 105 } 106 107 /* True if this string, assumed to be a valid argument to 108 * InetAddress.getByName, is a numeric IPv6 address. 109 */ 110 private static boolean isNumericIPv6Address(String s) { 111 // address contains colon iff it's a numeric IPv6 address 112 return (s.indexOf(':') >= 0); 113 } 114 115 public String getCommunity() { 116 return community; 117 } 118 119 public InetAddress getAddress() { 120 return address; 121 } 122 123 public int getPort() { 124 return port; 125 } 126 127 public String toString() { 128 return "address : " + address + " port : " + port + 129 " community : " + community; 130 } 131 }