sunish vk | 7bdf4d4 | 2016-06-24 12:29:43 +0530 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2016-present Open Networking Foundation |
sunish vk | 7bdf4d4 | 2016-06-24 12:29:43 +0530 | [diff] [blame] | 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package org.onosproject.isis.controller.topology; |
| 18 | |
| 19 | import java.net.URI; |
| 20 | import java.net.URISyntaxException; |
| 21 | import java.util.Objects; |
| 22 | |
| 23 | import static com.google.common.base.Preconditions.checkArgument; |
| 24 | |
| 25 | /** |
| 26 | * Represents an ISIS router id. |
| 27 | */ |
| 28 | public class IsisRouterId { |
| 29 | |
| 30 | private static final String SCHEME = "l3"; |
| 31 | private static final long UNKNOWN = 0; |
| 32 | private final String ipAddress; |
| 33 | |
| 34 | /** |
| 35 | * Creates an instance of ISIS router id. |
| 36 | * |
| 37 | * @param ipAddress IP address of the router |
| 38 | */ |
| 39 | public IsisRouterId(String ipAddress) { |
| 40 | this.ipAddress = ipAddress; |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * Creates an instance from ip address. |
| 45 | * |
| 46 | * @param ipAddress IP address |
| 47 | * @return ISIS router id instance |
| 48 | */ |
| 49 | public static IsisRouterId isisRouterId(String ipAddress) { |
| 50 | return new IsisRouterId(ipAddress); |
| 51 | } |
| 52 | |
| 53 | /** |
| 54 | * Creates ISIS router id instance from the URI. |
| 55 | * |
| 56 | * @param uri device URI |
| 57 | * @return ISIS router id instance |
| 58 | */ |
| 59 | public static IsisRouterId isisRouterId(URI uri) { |
| 60 | checkArgument(uri.getScheme().equals(SCHEME), "Unsupported URI scheme"); |
| 61 | return new IsisRouterId(uri.getSchemeSpecificPart()); |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * Returns device URI from the given router id. |
| 66 | * |
| 67 | * @param isisRouterId router id instance |
| 68 | * @return device URI |
| 69 | */ |
| 70 | public static URI uri(IsisRouterId isisRouterId) { |
| 71 | return uri(isisRouterId.ipAddress()); |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * Returns device URI from the given IP address. |
| 76 | * |
| 77 | * @param ipAddress device IP address |
| 78 | * @return device URI |
| 79 | */ |
| 80 | public static URI uri(String ipAddress) { |
| 81 | try { |
| 82 | return new URI(SCHEME, ipAddress, null); |
| 83 | } catch (URISyntaxException e) { |
| 84 | return null; |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | /** |
| 89 | * Returns the IP address. |
| 90 | * |
| 91 | * @return IP address |
| 92 | */ |
| 93 | public String ipAddress() { |
| 94 | return ipAddress; |
| 95 | } |
| 96 | |
| 97 | @Override |
| 98 | public String toString() { |
| 99 | return ipAddress; |
| 100 | } |
| 101 | |
| 102 | @Override |
| 103 | public boolean equals(Object other) { |
| 104 | if (!(other instanceof IsisRouterId)) { |
| 105 | return false; |
| 106 | } |
| 107 | |
| 108 | IsisRouterId otherIsisRouterId = (IsisRouterId) other; |
| 109 | return Objects.equals(ipAddress, otherIsisRouterId.ipAddress); |
| 110 | } |
| 111 | |
| 112 | @Override |
| 113 | public int hashCode() { |
| 114 | return Objects.hash(ipAddress); |
| 115 | } |
| 116 | } |