RequiredArgumentOptionSpec.java

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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) 2004-2015 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
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 * distribute, sublicense, and/or sell copies of the Software, and to
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 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
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package jdk.internal.joptsimple;

import java.util.List;

/**
 * Specification of an option that accepts a required argument.
 *
 * @param <V> represents the type of the arguments this option accepts
 * @author <a href="mailto:[email protected]">Paul Holser</a>
 */
class RequiredArgumentOptionSpec<V> extends ArgumentAcceptingOptionSpec<V> {
    RequiredArgumentOptionSpec( String option ) {
        super( option, true );
    }

    RequiredArgumentOptionSpec( List<String> options, String description ) {
        super( options, true, description );
    }

    @Override
    protected void detectOptionArgument( OptionParser parser, ArgumentList arguments, OptionSet detectedOptions ) {
        if ( !arguments.hasMore() )
            throw new OptionMissingRequiredArgumentException( this );

        addArguments( detectedOptions, arguments.next() );
    }
}