| /* |
| 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 |
| 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 |
| LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| |
| package joptsimple; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import static java.util.Collections.*; |
| |
| import joptsimple.internal.Reflection; |
| import joptsimple.internal.ReflectionException; |
| |
| import static joptsimple.internal.Strings.*; |
| |
| /** |
| * @param <V> represents the type of the arguments this option accepts |
| * @author <a href="mailto:pholser@alumni.rice.edu">Paul Holser</a> |
| */ |
| public abstract class AbstractOptionSpec<V> implements OptionSpec<V>, OptionDescriptor { |
| private final List<String> options = new ArrayList<>(); |
| private final String description; |
| private boolean forHelp; |
| |
| AbstractOptionSpec( String option ) { |
| this( singletonList( option ), EMPTY ); |
| } |
| |
| AbstractOptionSpec( List<String> options, String description ) { |
| arrangeOptions( options ); |
| |
| this.description = description; |
| } |
| |
| public final List<String> options() { |
| return unmodifiableList( options ); |
| } |
| |
| public final List<V> values( OptionSet detectedOptions ) { |
| return detectedOptions.valuesOf( this ); |
| } |
| |
| public final V value( OptionSet detectedOptions ) { |
| return detectedOptions.valueOf( this ); |
| } |
| |
| public String description() { |
| return description; |
| } |
| |
| public final AbstractOptionSpec<V> forHelp() { |
| forHelp = true; |
| return this; |
| } |
| |
| public final boolean isForHelp() { |
| return forHelp; |
| } |
| |
| public boolean representsNonOptions() { |
| return false; |
| } |
| |
| protected abstract V convert( String argument ); |
| |
| protected V convertWith( ValueConverter<V> converter, String argument ) { |
| try { |
| return Reflection.convertWith( converter, argument ); |
| } catch ( ReflectionException | ValueConversionException ex ) { |
| throw new OptionArgumentConversionException( this, argument, ex ); |
| } |
| } |
| |
| protected String argumentTypeIndicatorFrom( ValueConverter<V> converter ) { |
| if ( converter == null ) |
| return null; |
| |
| String pattern = converter.valuePattern(); |
| return pattern == null ? converter.valueType().getName() : pattern; |
| } |
| |
| abstract void handleOption( OptionParser parser, ArgumentList arguments, OptionSet detectedOptions, |
| String detectedArgument ); |
| |
| private void arrangeOptions( List<String> unarranged ) { |
| if ( unarranged.size() == 1 ) { |
| options.addAll( unarranged ); |
| return; |
| } |
| |
| List<String> shortOptions = new ArrayList<>(); |
| List<String> longOptions = new ArrayList<>(); |
| |
| for ( String each : unarranged ) { |
| if ( each.length() == 1 ) |
| shortOptions.add( each ); |
| else |
| longOptions.add( each ); |
| } |
| |
| sort( shortOptions ); |
| sort( longOptions ); |
| |
| options.addAll( shortOptions ); |
| options.addAll( longOptions ); |
| } |
| |
| @Override |
| public boolean equals( Object that ) { |
| if ( !( that instanceof AbstractOptionSpec<?> ) ) |
| return false; |
| |
| AbstractOptionSpec<?> other = (AbstractOptionSpec<?>) that; |
| return options.equals( other.options ); |
| } |
| |
| @Override |
| public int hashCode() { |
| return options.hashCode(); |
| } |
| |
| @Override |
| public String toString() { |
| return options.toString(); |
| } |
| } |