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 * Copyright (c) 2015, 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
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 * particular file as subject to the "Classpath" exception as provided
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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/*
 * This file is available under and governed by the GNU General Public
 * License version 2 only, as published by the Free Software Foundation.
 * However, the following notice accompanied the original version of this
 * file:
 *
 * The MIT License
 *
 * Copyright (c) 2004-2014 Paul R. Holser, Jr.
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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 */

package jdk.internal.joptsimple.util;

import java.net.InetAddress;
import java.net.UnknownHostException;

import jdk.internal.joptsimple.ValueConversionException;
import jdk.internal.joptsimple.ValueConverter;

/**
 * Converts values to {@link java.net.InetAddress} using {@link InetAddress#getByName(String) getByName}.
 *
 * @author <a href="mailto:r@ymund.de">Raymund F\u00FCl\u00F6p</a>
 */
public class InetAddressConverter implements ValueConverter<InetAddress> {
    public InetAddress convert( String value ) {
        try {
            return InetAddress.getByName( value );
        } catch ( UnknownHostException e ) {
            throw new ValueConversionException( "Cannot convert value [" + value + " into an InetAddress", e );
        }
    }

    public Class<InetAddress> valueType() {
        return InetAddress.class;
    }

    public String valuePattern() {
        return null;
    }
}