/*
* Copyright (C) 2010 Brockmann Consult GmbH (info@brockmann-consult.de)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 3 of the License, or (at your option)
* any later version.
* This program 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 General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, see http://www.gnu.org/licenses/
*/
package com.bc.ceres.binding.converters;
import com.bc.ceres.binding.ConversionException;
import com.bc.ceres.binding.Converter;
public class BooleanConverter implements Converter<Boolean> {
@Override
public Class<Boolean> getValueType() {
return Boolean.class;
}
@Override
public Boolean parse(String text) throws ConversionException {
if (text.isEmpty()) {
return null;
}
if (text.equalsIgnoreCase("false")) {
return Boolean.FALSE;
}
if (text.equalsIgnoreCase("true")) {
return Boolean.TRUE;
}
if (text.equalsIgnoreCase("0")) {
return Boolean.FALSE;
}
try {
return Double.parseDouble(text) != 0.0 ? Boolean.TRUE : Boolean.FALSE;
} catch (NumberFormatException e) {
return Boolean.FALSE;
}
}
@Override
public String format(Boolean value) {
if (value == null) {
return "";
}
return value.toString();
}
}