1 /* 2 * Copyright (c) 2009, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 /* 27 * This file is available under and governed by the GNU General Public 28 * License version 2 only, as published by the Free Software Foundation. 29 * However, the following notice accompanied the original version of this 30 * file: 31 * 32 * The MIT License 33 * 34 * Copyright (c) 2004-2015 Paul R. Holser, Jr. 35 * 36 * Permission is hereby granted, free of charge, to any person obtaining 37 * a copy of this software and associated documentation files (the 38 * "Software"), to deal in the Software without restriction, including 39 * without limitation the rights to use, copy, modify, merge, publish, 40 * distribute, sublicense, and/or sell copies of the Software, and to 41 * permit persons to whom the Software is furnished to do so, subject to 42 * the following conditions: 43 * 44 * The above copyright notice and this permission notice shall be 45 * included in all copies or substantial portions of the Software. 46 * 47 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 48 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 49 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 50 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 51 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 52 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 53 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 54 */ 55 56 package jdk.internal.joptsimple; 57 58 import java.util.List; 59 60 import static java.util.Collections.*; 61 62 /** 63 * A specification for an option that does not accept arguments. 64 * 65 * @author <a href="mailto:pholser@alumni.rice.edu">Paul Holser</a> 66 */ 67 class NoArgumentOptionSpec extends AbstractOptionSpec<Void> { NoArgumentOptionSpec( String option )68 NoArgumentOptionSpec( String option ) { 69 this( singletonList( option ), "" ); 70 } 71 NoArgumentOptionSpec( List<String> options, String description )72 NoArgumentOptionSpec( List<String> options, String description ) { 73 super( options, description ); 74 } 75 76 @Override handleOption( OptionParser parser, ArgumentList arguments, OptionSet detectedOptions, String detectedArgument )77 void handleOption( OptionParser parser, ArgumentList arguments, OptionSet detectedOptions, 78 String detectedArgument ) { 79 80 detectedOptions.add( this ); 81 } 82 acceptsArguments()83 public boolean acceptsArguments() { 84 return false; 85 } 86 requiresArgument()87 public boolean requiresArgument() { 88 return false; 89 } 90 isRequired()91 public boolean isRequired() { 92 return false; 93 } 94 argumentDescription()95 public String argumentDescription() { 96 return ""; 97 } 98 argumentTypeIndicator()99 public String argumentTypeIndicator() { 100 return ""; 101 } 102 103 @Override convert( String argument )104 protected Void convert( String argument ) { 105 return null; 106 } 107 defaultValues()108 public List<Void> defaultValues() { 109 return emptyList(); 110 } 111 } 112