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Easy Redis Java client and Real-Time Data Platform. Valkey compatible. Sync/Async/RxJava3/Reactive API. Client side caching. Over 50 Redis based Java objects and services: JCache API, Apache Tomcat, Hibernate, Spring, Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Scheduler, RPC
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/*
* Copyright 2012 The Netty Project
*
* The Netty Project licenses this file to you 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:
*
* https://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 io.netty.channel.socket;
import io.netty.util.NetUtil;
import java.net.Inet4Address;
import java.net.Inet6Address;
import java.net.InetAddress;
/**
* Internet Protocol (IP) families used by the {@link DatagramChannel}
*/
public enum InternetProtocolFamily {
IPv4(Inet4Address.class, 1),
IPv6(Inet6Address.class, 2);
private final Class extends InetAddress> addressType;
private final int addressNumber;
InternetProtocolFamily(Class extends InetAddress> addressType, int addressNumber) {
this.addressType = addressType;
this.addressNumber = addressNumber;
}
/**
* Returns the address type of this protocol family.
*/
public Class extends InetAddress> addressType() {
return addressType;
}
/**
* Returns the
* address number
* of the family.
*/
public int addressNumber() {
return addressNumber;
}
/**
* Returns the {@link InetAddress} that represent the {@code LOCALHOST} for the family.
*/
public InetAddress localhost() {
switch (this) {
case IPv4:
return NetUtil.LOCALHOST4;
case IPv6:
return NetUtil.LOCALHOST6;
default:
throw new IllegalStateException("Unsupported family " + this);
}
}
/**
* Returns the {@link InternetProtocolFamily} for the given {@link InetAddress}.
*/
public static InternetProtocolFamily of(InetAddress address) {
if (address instanceof Inet4Address) {
return IPv4;
}
if (address instanceof Inet6Address) {
return IPv6;
}
throw new IllegalArgumentException("address " + address + " not supported");
}
}
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