2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924;
10 import java.util.ArrayList;
11 import java.util.List;
12 import java.util.regex.Matcher;
13 import java.util.regex.Pattern;
17 public final class HostBuilder {
18 private static final Pattern IPV4_PATTERN = Pattern.compile("(([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])(%[\\p{N}\\p{L}]+)?");
19 private static final Pattern IPV6_PATTERN1 = Pattern.compile("((:|[0-9a-fA-F]{0,4}):)([0-9a-fA-F]{0,4}:){0,5}((([0-9a-fA-F]{0,4}:)?(:|[0-9a-fA-F]{0,4}))|(((25[0-5]|2[0-4][0-9]|[01]?[0-9]?[0-9])\\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9]?[0-9])))(%[\\p{N}\\p{L}]+)?");
20 private static final Pattern IPV6_PATTERN2 = Pattern.compile("(([^:]+:){6}(([^:]+:[^:]+)|(.*\\..*)))|((([^:]+:)*[^:]+)?::(([^:]+:)*[^:]+)?)(%.+)?");
21 private static final Pattern DOMAIN_PATTERN = Pattern.compile("((([a-zA-Z0-9_]([a-zA-Z0-9\\-_]){0,61})?[a-zA-Z0-9]\\.)*([a-zA-Z0-9_]([a-zA-Z0-9\\-_]){0,61})?[a-zA-Z0-9]\\.?)|\\.");
23 private HostBuilder() {
27 public static Host getDefaultInstance(final String defaultValue) {
28 final Matcher ipv4Matcher = IPV4_PATTERN.matcher(defaultValue);
29 final Matcher ipv6Matcher1 = IPV6_PATTERN1.matcher(defaultValue);
30 final Matcher ipv6Matcher2 = IPV6_PATTERN2.matcher(defaultValue);
31 final Matcher domainMatcher = DOMAIN_PATTERN.matcher(defaultValue);
33 List<String> matchers = new ArrayList<>(3);
34 if (ipv6Matcher1.matches() || ipv6Matcher2.matches()) {
35 matchers.add(Ipv6Address.class.getSimpleName());
38 // Ipv4 and Domain Name patterns are not exclusive
39 // Address 127.0.0.1 matches both patterns
40 // This way Ipv4 address is preferred to domain name
41 if (ipv4Matcher.matches()) {
42 matchers.add(Ipv4Address.class.getSimpleName());
43 } else if (domainMatcher.matches()) {
44 matchers.add(DomainName.class.getSimpleName());
47 if (matchers.size() > 1) {
48 throw new IllegalArgumentException("Cannot create Host from " + defaultValue + ". Value is ambigious for "
52 if (ipv4Matcher.matches()) {
53 Ipv4Address ipv4 = new Ipv4Address(defaultValue);
54 IpAddress ipAddress = new IpAddress(ipv4);
55 return new Host(ipAddress);
57 if (ipv6Matcher1.matches() || ipv6Matcher2.matches()) {
58 Ipv6Address ipv6 = new Ipv6Address(defaultValue);
59 IpAddress ipAddress = new IpAddress(ipv6);
60 return new Host(ipAddress);
62 if (domainMatcher.matches()) {
63 DomainName domainName = new DomainName(defaultValue);
64 return new Host(domainName);
66 throw new IllegalArgumentException("Cannot create Host from " + defaultValue);