/*
 * Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
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package sun.net;

import java.net.spi.InetAddressResolver;
import java.net.spi.InetAddressResolverProvider;
import java.util.function.Supplier;

public final class ResolverProviderConfiguration implements
        InetAddressResolverProvider.Configuration {

    private final InetAddressResolver builtinResolver;
    private final Supplier<String> localHostNameSupplier;

    public ResolverProviderConfiguration(InetAddressResolver builtinResolver,
                                         Supplier<String> localHostNameSupplier) {
        this.builtinResolver = builtinResolver;
        this.localHostNameSupplier = localHostNameSupplier;
    }

    @Override
    public InetAddressResolver builtinResolver() {
        return builtinResolver;
    }

    @Override
    public String lookupLocalHostName() {
        return localHostNameSupplier.get();
    }
}