| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| OptionSet |
|
| 1.8125;1.812 |
| 1 | /* | |
| 2 | Copyright 2004-2008 Paul R. Holser, Jr. All rights reserved. | |
| 3 | Licensed under the Academic Free License version 3.0 | |
| 4 | */ | |
| 5 | ||
| 6 | package joptsimple; | |
| 7 | ||
| 8 | import java.util.ArrayList; | |
| 9 | import java.util.Collections; | |
| 10 | import java.util.HashMap; | |
| 11 | import java.util.Iterator; | |
| 12 | import java.util.List; | |
| 13 | import java.util.Map; | |
| 14 | ||
| 15 | /** | |
| 16 | * <p>Representation of a group of detected command line options, their arguments, and | |
| 17 | * non-option arguments.</p> | |
| 18 | * | |
| 19 | * @since 1.0 | |
| 20 | * @author <a href="mailto:pholser@alumni.rice.edu">Paul Holser</a> | |
| 21 | * @version $Id: OptionSet.java,v 1.4 2008/04/15 02:19:07 pholser Exp $ | |
| 22 | */ | |
| 23 | public class OptionSet { | |
| 24 | 344 | private final Map detectedOptions = new HashMap(); |
| 25 | 344 | private final List nonOptionArguments = new ArrayList(); |
| 26 | ||
| 27 | 344 | OptionSet() { |
| 28 | // Empty on purpose. Package-private because clients don't create these. | |
| 29 | 344 | } |
| 30 | ||
| 31 | /** | |
| 32 | * <p>Tells whether the given option was detected.</p> | |
| 33 | * | |
| 34 | * @since 1.0 | |
| 35 | * @param option the option to search for | |
| 36 | * @return <code>true</code> if the option was detected | |
| 37 | * @deprecated Use {@link #has(String) has} instead. | |
| 38 | */ | |
| 39 | public boolean wasDetected( String option ) { | |
| 40 | 406 | return detectedOptions.containsKey( option ); |
| 41 | } | |
| 42 | ||
| 43 | /** | |
| 44 | * <p>Tells whether the given option was detected.</p> | |
| 45 | * | |
| 46 | * @since 2.4 | |
| 47 | * @param option the option to search for | |
| 48 | * @return <code>true</code> if the option was detected | |
| 49 | */ | |
| 50 | public boolean has( String option ) { | |
| 51 | 406 | return wasDetected( option ); |
| 52 | } | |
| 53 | ||
| 54 | /** | |
| 55 | * <p>Tells whether there are any arguments associated with the given option.</p> | |
| 56 | * | |
| 57 | * @since 1.0 | |
| 58 | * @param option the option to search for | |
| 59 | * @return <code>true</code> if the option was detected and at least one argument was | |
| 60 | * detected for the option | |
| 61 | */ | |
| 62 | public boolean hasArgument( String option ) { | |
| 63 | 6 | return !valuesOf( option ).isEmpty(); |
| 64 | } | |
| 65 | ||
| 66 | /** | |
| 67 | * <p>Gives the argument associated with the given option.</p> | |
| 68 | * | |
| 69 | * @since 1.0 | |
| 70 | * @param option the option to search for | |
| 71 | * @return the argument of the given option as a {@link String}; <code>null</code> if | |
| 72 | * no argument is present, or that option was not detected | |
| 73 | * @throws OptionException if more than one argument was detected for the option | |
| 74 | * @throws ClassCastException if the argument was given a type other than | |
| 75 | * {@link String} | |
| 76 | * @see #valueOf(String) | |
| 77 | */ | |
| 78 | public String argumentOf( String option ) { | |
| 79 | 30 | return (String) valueOf( option ); |
| 80 | } | |
| 81 | ||
| 82 | /** | |
| 83 | * <p>Gives any arguments associated with the given option.</p> | |
| 84 | * | |
| 85 | * @since 1.0 | |
| 86 | * @param option the option to search for | |
| 87 | * @return the arguments associated with the option, as a list of objects of the | |
| 88 | * type given to the arguments; an empty list if no such arguments are present, or if | |
| 89 | * the option was not detected | |
| 90 | * @see #valuesOf(String) | |
| 91 | */ | |
| 92 | public List argumentsOf( String option ) { | |
| 93 | 98 | return valuesOf( option ); |
| 94 | } | |
| 95 | ||
| 96 | /** | |
| 97 | * <p>Gives the argument associated with the given option. If the argument was | |
| 98 | * given a type, it will take on that type; otherwise, use {@link #argumentOf(String) | |
| 99 | * argumentOf} to get the argument as a {@link String}.</p> | |
| 100 | * | |
| 101 | * @since 2.0 | |
| 102 | * @param option the option to search for | |
| 103 | * @return the argument of the given option; <code>null</code> if no argument is | |
| 104 | * present, or that option was not detected | |
| 105 | * @throws OptionException if more than one argument was detected for the option | |
| 106 | */ | |
| 107 | public Object valueOf( String option ) { | |
| 108 | 98 | List values = valuesOf( option ); |
| 109 | ||
| 110 | 98 | switch ( values.size() ) { |
| 111 | case 0: | |
| 112 | 38 | return null; |
| 113 | case 1: | |
| 114 | 58 | return values.get( 0 ); |
| 115 | default: | |
| 116 | 2 | throw new MultipleArgumentsForOptionException( option ); |
| 117 | } | |
| 118 | } | |
| 119 | ||
| 120 | /** | |
| 121 | * <p>Gives any arguments associated with the given option.</p> | |
| 122 | * | |
| 123 | * @since 2.0 | |
| 124 | * @param option the option to search for | |
| 125 | * @return the arguments associated with the option, as a list of objects of the | |
| 126 | * type given to the arguments; an empty list if no such arguments are present, or if | |
| 127 | * the option was not detected | |
| 128 | */ | |
| 129 | public List valuesOf( String option ) { | |
| 130 | 376 | List values = (List) detectedOptions.get( option ); |
| 131 | 376 | return values == null |
| 132 | ? Collections.EMPTY_LIST | |
| 133 | : Collections.unmodifiableList( values ); | |
| 134 | } | |
| 135 | ||
| 136 | /** | |
| 137 | * <p>Gives the detected non-option arguments.</p> | |
| 138 | * | |
| 139 | * @since 2.1 | |
| 140 | * @return the detected non-option arguments as a list of {@link String}s. | |
| 141 | */ | |
| 142 | public List nonOptionArguments() { | |
| 143 | 414 | return Collections.unmodifiableList( nonOptionArguments ); |
| 144 | } | |
| 145 | ||
| 146 | /** | |
| 147 | * {@inheritDoc} | |
| 148 | */ | |
| 149 | public boolean equals( Object that ) { | |
| 150 | 676 | if ( this == that ) |
| 151 | 168 | return true; |
| 152 | ||
| 153 | 508 | if ( that == null || !getClass().equals( that.getClass() ) ) |
| 154 | 0 | return false; |
| 155 | ||
| 156 | 508 | OptionSet other = (OptionSet) that; |
| 157 | 508 | return detectedOptions.equals( other.detectedOptions ) |
| 158 | && nonOptionArguments.equals( other.nonOptionArguments() ); | |
| 159 | } | |
| 160 | ||
| 161 | /** | |
| 162 | * {@inheritDoc} | |
| 163 | */ | |
| 164 | public int hashCode() { | |
| 165 | 180 | return detectedOptions.hashCode() ^ nonOptionArguments.hashCode(); |
| 166 | } | |
| 167 | ||
| 168 | void add( String option ) { | |
| 169 | 188 | addWithArgument( option, null ); |
| 170 | 188 | } |
| 171 | ||
| 172 | void addWithArgument( String option, Object argument ) { | |
| 173 | 566 | List optionArguments = (List) detectedOptions.get( option ); |
| 174 | ||
| 175 | 566 | if ( optionArguments == null ) { |
| 176 | 442 | optionArguments = new ArrayList(); |
| 177 | 442 | detectedOptions.put( option, optionArguments ); |
| 178 | } | |
| 179 | ||
| 180 | 566 | if ( argument != null ) |
| 181 | 378 | optionArguments.add( argument ); |
| 182 | 566 | } |
| 183 | ||
| 184 | void addNonOptionArgument( String argument ) { | |
| 185 | 242 | nonOptionArguments.add( argument ); |
| 186 | 242 | } |
| 187 | ||
| 188 | void addAll( List options ) { | |
| 189 | 150 | for ( Iterator iter = options.iterator(); iter.hasNext(); ) |
| 190 | 178 | add( (String) iter.next() ); |
| 191 | 150 | } |
| 192 | ||
| 193 | void addAllWithArgument( List options, Object argument ) { | |
| 194 | 256 | for ( Iterator iter = options.iterator(); iter.hasNext(); ) |
| 195 | 304 | addWithArgument( (String) iter.next(), argument ); |
| 196 | 256 | } |
| 197 | } |