001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.wicket.util.convert.converter;
018
019import java.util.Locale;
020
021import org.apache.wicket.util.convert.IConverter;
022import org.apache.wicket.util.string.StringValueConversionException;
023import org.apache.wicket.util.string.Strings;
024
025
026/**
027 * Converts from Object to Boolean.
028 * 
029 * @author Eelco Hillenius
030 * @author Jonathan Locke
031 */
032public class BooleanConverter extends AbstractConverter<Boolean>
033{
034        private static final long serialVersionUID = 1L;
035
036        /**
037         * The singleton instance for a boolean converter
038         */
039        public static final IConverter<Boolean> INSTANCE = new BooleanConverter();
040
041        /**
042         * @see org.apache.wicket.util.convert.IConverter#convertToObject(java.lang.String,Locale)
043         */
044        @Override
045        public Boolean convertToObject(final String value, final Locale locale)
046        {
047                try
048                {
049                        return Strings.toBoolean(value);
050                }
051                catch (StringValueConversionException e)
052                {
053                        throw newConversionException("Cannot convert '" + value + "' to Boolean", value, locale);
054                }
055        }
056
057        /**
058         * @see org.apache.wicket.util.convert.converter.AbstractConverter#getTargetType()
059         */
060        @Override
061        protected Class<Boolean> getTargetType()
062        {
063                return Boolean.class;
064        }
065}