001/**
002 *   GRANITE DATA SERVICES
003 *   Copyright (C) 2006-2013 GRANITE DATA SERVICES S.A.S.
004 *
005 *   This file is part of the Granite Data Services Platform.
006 *
007 *   Granite Data Services is free software; you can redistribute it and/or
008 *   modify it under the terms of the GNU Lesser General Public
009 *   License as published by the Free Software Foundation; either
010 *   version 2.1 of the License, or (at your option) any later version.
011 *
012 *   Granite Data Services is distributed in the hope that it will be useful,
013 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
014 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
015 *   General Public License for more details.
016 *
017 *   You should have received a copy of the GNU Lesser General Public
018 *   License along with this library; if not, write to the Free Software
019 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
020 *   USA, or see <http://www.gnu.org/licenses/>.
021 */
022package org.granite.messaging.amf.io.convert.impl;
023
024import java.lang.reflect.Type;
025
026import org.granite.messaging.amf.io.convert.Converter;
027import org.granite.messaging.amf.io.convert.Converters;
028
029/**
030 * @author Franck WOLFF
031 */
032public class String2Char extends Converter {
033
034    public String2Char(Converters converters) {
035        super(converters);
036    }
037
038    @Override
039        protected boolean internalCanConvert(Object value, Type targetType) {
040        return
041            (targetType.equals(Character.TYPE) || targetType.equals(Character.class)) &&
042            (value == null || (value instanceof String && ((String)value).length() <= 1));
043    }
044
045    @Override
046        protected Object internalConvert(Object value, Type targetType) {
047        final String s = (String)value;
048        if (s == null || s.length() == 0)
049            return targetType.equals(Character.class) ? null : Character.valueOf('\0');
050        return Character.valueOf(s.charAt(0));
051    }
052}