org.apache.wicket.util.convert.converter.CharacterConverter Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.wicket.util.convert.converter;
import java.util.Locale;
import org.apache.wicket.util.convert.IConverter;
/**
* Converts from Object to Character.
*
* @author Eelco Hillenius
* @author Jonathan Locke
*/
public class CharacterConverter extends AbstractConverter
{
private static final long serialVersionUID = 1L;
/**
* The singleton instance for a character converter
*/
public static final IConverter INSTANCE = new CharacterConverter();
/**
* @see org.apache.wicket.util.convert.IConverter#convertToObject(java.lang.String,Locale)
*/
@Override
public Character convertToObject(final String value, final Locale locale)
{
int length = value.length();
if (length == 0)
{
return null;
}
else if (length == 1)
{
return value.charAt(0);
}
throw newConversionException("Cannot convert '" + value + "' to Character", value, locale);
}
/**
* @see org.apache.wicket.util.convert.converter.AbstractConverter#getTargetType()
*/
@Override
protected Class getTargetType()
{
return Character.class;
}
}