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/*
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();
}
}
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