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This artifact provides a single jar that contains all classes required to use remote EJB and JMS, including all dependencies. It is intended for use by those not using maven, maven users should just import the EJB and JMS BOM's instead (shaded JAR's cause lots of problems with maven, as it is very easy to inadvertently end up with different versions on classes on the class path).

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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 addressType;
    private final int addressNumber;

    InternetProtocolFamily(Class addressType, int addressNumber) {
        this.addressType = addressType;
        this.addressNumber = addressNumber;
    }

    /**
     * Returns the address type of this protocol family.
     */
    public Class 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");
    }
}