/*
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();
}
}