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package com.wireguard.config;
import android.os.Parcel;
import android.os.Parcelable;
import java.net.Inet4Address;
import java.net.Inet6Address;
import java.net.InetAddress;
import java.net.UnknownHostException;
public class IPCidr implements Parcelable {
InetAddress address;
int cidr;
public static final Parcelable.Creator<IPCidr> CREATOR = new Parcelable.Creator<IPCidr>() {
@Override
public IPCidr createFromParcel(final Parcel in) {
return new IPCidr(in);
}
@Override
public IPCidr[] newArray(final int size) {
return new IPCidr[size];
}
};
public IPCidr(String in) {
parse(in);
}
private void parse(String in) {
cidr = -1;
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 (Exception e) {
}
}
try {
address = InetAddress.getByName(in);
} catch (UnknownHostException e) {
throw new IllegalArgumentException(e);
}
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("%s/%d", address.getHostAddress(), cidr);
}
@Override
public void writeToParcel(final Parcel dest, final int flags) {
dest.writeString(this.toString());
}
@Override
public int describeContents() {
return 0;
}
private IPCidr(final Parcel in) {
try {
parse(in.readString());
} catch (Exception e) {
}
}
}
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