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.Pattern;
16 public class HostBuilder {
17 private static final Pattern ipv4Pattern = 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}]+)?");
18 private static final Pattern ipv6Pattern1 = 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}]+)?");
19 private static final Pattern ipv6Pattern2 = Pattern.compile("(([^:]+:){6}(([^:]+:[^:]+)|(.*\\..*)))|((([^:]+:)*[^:]+)?::(([^:]+:)*[^:]+)?)(%.+)?");
20 private static final Pattern domainPattern = 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]\\.?)|\\.");
22 public static Host getDefaultInstance(String defaultValue) {
24 List<String> matchers = new ArrayList<>();
25 if (ipv6Pattern1.matcher(defaultValue).matches() || ipv6Pattern2.matcher(defaultValue).matches()) {
26 matchers.add(Ipv6Address.class.getSimpleName());
29 // Ipv4 and Domain Name patterns are not exclusive
30 // Address 127.0.0.1 matches both patterns
31 // This way Ipv4 address is preferred to domain name
32 if (ipv4Pattern.matcher(defaultValue).matches()) {
33 matchers.add(Ipv4Address.class.getSimpleName());
34 } else if (domainPattern.matcher(defaultValue).matches()) {
35 matchers.add(DomainName.class.getSimpleName());
38 if (matchers.size() > 1) {
39 throw new IllegalArgumentException("Cannot create Host from " + defaultValue + ". Value is ambigious for "
43 if (ipv4Pattern.matcher(defaultValue).matches()) {
44 Ipv4Address ipv4 = new Ipv4Address(defaultValue);
45 IpAddress ipAddress = new IpAddress(ipv4);
46 return new Host(ipAddress);
48 if (ipv6Pattern1.matcher(defaultValue).matches() || ipv6Pattern2.matcher(defaultValue).matches()) {
49 Ipv6Address ipv6 = new Ipv6Address(defaultValue);
50 IpAddress ipAddress = new IpAddress(ipv6);
51 return new Host(ipAddress);
53 if (domainPattern.matcher(defaultValue).matches()) {
54 DomainName domainName = new DomainName(defaultValue);
55 return new Host(domainName);
57 throw new IllegalArgumentException("Cannot create Host from " + defaultValue);