LocaleConverter.java

package org.nnsoft.guice.rocoto.converters;

/*
 *    Copyright 2009-2012 The 99 Software Foundation
 *
 *    Licensed 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.
 */

import java.util.Locale;

import com.google.inject.TypeLiteral;

/**
 * Converter implementation for {@code java.util.Locale}.
 */
public final class LocaleConverter
    extends AbstractConverter<Locale>
{

    /**
     * {@inheritDoc}
     */
    public Object convert( String value, TypeLiteral<?> toType )
    {
        int separator = value.indexOf( '_' );
        if ( separator != -1 )
        {
            String language = value.substring( 0, separator );
            String country = value.substring( separator + 1 );
            return new Locale( language, country );
        }
        return new Locale( value );
    }

}