| /* |
| * Copyright 2016-present Open Networking Laboratory |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.onosproject.cordvtn.api; |
| |
| import com.google.common.base.MoreObjects; |
| import org.onlab.packet.IpAddress; |
| import org.onlab.packet.IpPrefix; |
| |
| import java.util.Objects; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| |
| /** |
| * Representation of a network address, which consists of IP address and prefix. |
| */ |
| public final class NetworkAddress { |
| private final IpAddress ip; |
| private final IpPrefix prefix; |
| |
| /** |
| * Constructor for a given IP address and prefix. |
| * |
| * @param ip ip address |
| * @param prefix ip prefix |
| */ |
| public NetworkAddress(IpAddress ip, IpPrefix prefix) { |
| this.ip = ip; |
| this.prefix = prefix; |
| } |
| |
| /** |
| * Converts a CIDR notation string into a network address. |
| * |
| * @param cidr cidr |
| * @return network address |
| * @throws IllegalArgumentException if the cidr is not valid |
| */ |
| public static NetworkAddress valueOf(String cidr) { |
| checkArgument(cidr.contains("/")); |
| |
| IpAddress ipAddress = IpAddress.valueOf(cidr.split("/")[0]); |
| IpPrefix ipPrefix = IpPrefix.valueOf(cidr); |
| |
| return new NetworkAddress(ipAddress, ipPrefix); |
| } |
| |
| /** |
| * Returns the IP address value of the network address. |
| * |
| * @return ip address |
| */ |
| public IpAddress ip() { |
| return this.ip; |
| } |
| |
| /** |
| * Returns the IP prefix value of the network address. |
| * |
| * @return ip prefix |
| */ |
| public IpPrefix prefix() { |
| return this.prefix; |
| } |
| |
| /** |
| * Converts a network address to a CIDR notation. |
| * |
| * @return cidr notation string |
| */ |
| public String cidr() { |
| return ip.toString() + "/" + prefix.prefixLength(); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| |
| if (obj instanceof NetworkAddress) { |
| NetworkAddress that = (NetworkAddress) obj; |
| if (Objects.equals(ip, that.ip) && Objects.equals(prefix, that.prefix)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(ip, prefix); |
| } |
| |
| @Override |
| public String toString() { |
| return MoreObjects.toStringHelper(getClass()) |
| .add("IpAddress", ip) |
| .add("IpPrefix", prefix) |
| .toString(); |
| } |
| } |