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/*
* Copyright © 2018 Samuel Holland <samuel@sholland.org>
* Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
* SPDX-License-Identifier: GPL-2.0-or-later
*/
package com.wireguard.config;
import java.net.Inet4Address;
import java.net.Inet6Address;
import java.net.InetAddress;
import java.util.Locale;
public class IPCidr {
private final InetAddress address;
private int cidr;
@SuppressWarnings("MagicNumber")
public IPCidr(String in) {
cidr = -1;
final int slash = in.lastIndexOf('/');
if (slash != -1 && slash < in.length() - 1) {
try {
cidr = Integer.parseInt(in.substring(slash + 1), 10);
in = in.substring(0, slash);
} catch (final Exception ignored) {
}
}
address = Attribute.parseIPString(in);
if ((address instanceof Inet6Address) && (cidr > 128 || cidr < 0))
cidr = 128;
else if ((address instanceof Inet4Address) && (cidr > 32 || cidr < 0))
cidr = 32;
}
public InetAddress getAddress() {
return address;
}
public int getCidr() {
return cidr;
}
@Override
public String toString() {
return String.format(Locale.getDefault(), "%s/%d", address.getHostAddress(), cidr);
}
}
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