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package com.yahoo.vespa.hosted.node.admin.task.util.network;
import com.google.common.net.InetAddresses;
import java.net.Inet4Address;
import java.net.Inet6Address;
import java.net.InetAddress;
import java.util.Objects;
/**
* Encapsulates an IP address and its version along with some convenience methods.
* Default sorting is by version (IPv6 first), then by address.
*
* @author gjoranv
*/
public class VersionedIpAddress implements Comparable<VersionedIpAddress> {
private final InetAddress address;
private final IPVersion version;
private VersionedIpAddress(InetAddress address) {
this.address = Objects.requireNonNull(address);
version = getVersionOrThrow(address);
}
public static VersionedIpAddress from(InetAddress address) {
return new VersionedIpAddress(address);
}
public static VersionedIpAddress from(String address) {
return from(InetAddresses.forString(address));
}
public IPVersion version() {
return version;
}
public String asString() {
return InetAddresses.toAddrString(address);
}
public String asEndpoint(int port) {
var format = (version == IPVersion.IPv6) ? "[%s]:%d" : "%s:%d";
return String.format(format, asString(), port);
}
@Override
public int compareTo(VersionedIpAddress o) {
int version = version().compareTo(o.version());
return (version != 0) ? version : asString().compareTo(o.asString());
}
@Override
public String toString() {
return "VersionedIpAddress{" +
"address=" + address +
", version=" + version +
'}';
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
VersionedIpAddress that = (VersionedIpAddress) o;
return address.equals(that.address) && version == that.version;
}
@Override
public int hashCode() {
return Objects.hash(address, version);
}
private static IPVersion getVersionOrThrow(InetAddress address) {
if (address instanceof Inet4Address) {
return IPVersion.IPv4;
} else if (address instanceof Inet6Address) {
return IPVersion.IPv6;
} else {
throw new IllegalArgumentException("Unknown IP version for " + InetAddresses.toAddrString(address) + " of class " + address.getClass().getName());
}
}
}
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