1 /*
2  * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/conn/util/InetAddressUtils.java $
3  * $Revision: 652020 $
4  * $Date: 2008-04-27 14:23:31 -0700 (Sun, 27 Apr 2008) $
5  *
6  * ====================================================================
7  * Licensed to the Apache Software Foundation (ASF) under one
8  * or more contributor license agreements.  See the NOTICE file
9  * distributed with this work for additional information
10  * regarding copyright ownership.  The ASF licenses this file
11  * to you under the Apache License, Version 2.0 (the
12  * "License"); you may not use this file except in compliance
13  * with the License.  You may obtain a copy of the License at
14  *
15  *   http://www.apache.org/licenses/LICENSE-2.0
16  *
17  * Unless required by applicable law or agreed to in writing,
18  * software distributed under the License is distributed on an
19  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
20  * KIND, either express or implied.  See the License for the
21  * specific language governing permissions and limitations
22  * under the License.
23  * ====================================================================
24  *
25  * This software consists of voluntary contributions made by many
26  * individuals on behalf of the Apache Software Foundation.  For more
27  * information on the Apache Software Foundation, please see
28  * <http://www.apache.org/>.
29  *
30  */
31 
32 package org.apache.http.conn.util;
33 
34 import java.util.regex.Pattern;
35 
36 /**
37  * A collection of utilities relating to InetAddresses.
38  *
39  * @deprecated Please use {@link java.net.URL#openConnection} instead.
40  *     Please visit <a href="http://android-developers.blogspot.com/2011/09/androids-http-clients.html">this webpage</a>
41  *     for further details.
42  */
43 @Deprecated
44 public class InetAddressUtils {
45 
InetAddressUtils()46     private InetAddressUtils() {
47     }
48 
49     private static final Pattern IPV4_PATTERN =
50         Pattern.compile(
51                 "^(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)(\\.(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)){3}$");
52 
53     private static final Pattern IPV6_STD_PATTERN =
54         Pattern.compile(
55                 "^(?:[0-9a-fA-F]{1,4}:){7}[0-9a-fA-F]{1,4}$");
56 
57     private static final Pattern IPV6_HEX_COMPRESSED_PATTERN =
58         Pattern.compile(
59                 "^((?:[0-9A-Fa-f]{1,4}(?::[0-9A-Fa-f]{1,4})*)?)::((?:[0-9A-Fa-f]{1,4}(?::[0-9A-Fa-f]{1,4})*)?)$");
60 
isIPv4Address(final String input)61     public static boolean isIPv4Address(final String input) {
62         return IPV4_PATTERN.matcher(input).matches();
63     }
64 
isIPv6StdAddress(final String input)65     public static boolean isIPv6StdAddress(final String input) {
66         return IPV6_STD_PATTERN.matcher(input).matches();
67     }
68 
isIPv6HexCompressedAddress(final String input)69     public static boolean isIPv6HexCompressedAddress(final String input) {
70         return IPV6_HEX_COMPRESSED_PATTERN.matcher(input).matches();
71     }
72 
isIPv6Address(final String input)73     public static boolean isIPv6Address(final String input) {
74         return isIPv6StdAddress(input) || isIPv6HexCompressedAddress(input);
75     }
76 
77 }
78