/*
*
* SchemaCrawler
* http://sourceforge.net/projects/schemacrawler
* Copyright (c) 2000-2012, Sualeh Fatehi.
*
* This library is free software; you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Foundation;
* either version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
*/
package sf.util.clparser;
import java.text.NumberFormat;
import java.text.ParseException;
/**
* An option that expects a floating-point value.
*/
public final class NumberOption
extends BaseOption<Number>
{
public NumberOption(final Character shortForm, final Number defaultValue)
{
super(shortForm, defaultValue);
}
public NumberOption(final Character shortForm,
final String longForm,
final Number defaultValue)
{
super(shortForm, longForm, defaultValue);
}
public NumberOption(final String longForm, final Number defaultValue)
{
super(longForm, defaultValue);
}
@Override
protected OptionValue<Number> parseValue(final String arg)
{
try
{
final Number number = NumberFormat.getNumberInstance().parse(arg);
return new OptionValue<Number>(this, number);
}
catch (final ParseException e)
{
return null;
}
catch (final NullPointerException e)
{
return null;
}
}
}