80 lines
2.3 KiB
Java
80 lines
2.3 KiB
Java
/*
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The MIT License
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Copyright (c) 2009 Paul R. Holser, Jr.
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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package joptsimple;
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import java.util.Collection;
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import java.util.List;
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import static java.util.Collections.*;
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/**
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* <p>A specification for an option that does not accept arguments.</p>
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*
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* @author <a href="mailto:pholser@alumni.rice.edu">Paul Holser</a>
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* @version $Id: NoArgumentOptionSpec.java,v 1.16 2009/10/04 00:13:41 pholser Exp $
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*/
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class NoArgumentOptionSpec extends AbstractOptionSpec<Void> {
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NoArgumentOptionSpec( String option ) {
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this( singletonList( option ), "" );
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}
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NoArgumentOptionSpec( Collection<String> options, String description ) {
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super( options, description );
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}
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@Override
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void handleOption( OptionParser parser, ArgumentList arguments,
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OptionSet detectedOptions, String detectedArgument ) {
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detectedOptions.add( this );
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}
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@Override
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boolean acceptsArguments() {
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return false;
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}
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@Override
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boolean requiresArgument() {
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return false;
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}
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@Override
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void accept( OptionSpecVisitor visitor ) {
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visitor.visit( this );
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}
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@Override
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protected Void convert( String argument ) {
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return null;
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}
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@Override
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List<Void> defaultValues() {
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return emptyList();
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}
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}
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