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;
025import java.net.URI;
026import java.net.URL;
027
028import org.granite.messaging.amf.io.convert.Converter;
029import org.granite.messaging.amf.io.convert.Converters;
030import org.granite.messaging.amf.io.convert.IllegalConverterArgumentException;
031import org.granite.messaging.amf.io.convert.Reverter;
032
033/**
034 * @author Franck WOLFF
035 */
036public class String2URI extends Converter implements Reverter {
037
038    public String2URI(Converters converters) {
039        super(converters);
040    }
041
042    @Override
043        protected boolean internalCanConvert(Object value, Type targetType) {
044        return (targetType.equals(URI.class) || targetType.equals(URL.class)) && (value == null || value instanceof String);
045    }
046
047    @Override
048        protected Object internalConvert(Object value, Type targetType) {
049        if (value == null)
050            return null;
051        
052        try {
053                return (targetType.equals(URI.class) ? new URI((String)value) : new URL((String)value));
054        } catch (Exception e) {
055                throw new IllegalConverterArgumentException(this, value, targetType, "Illegal URI: " + value);
056        }
057    }
058
059        public boolean canRevert(Object value) {
060                return (value == null) || (value instanceof URI) || (value instanceof URL);
061        }
062
063        public Object revert(Object value) {
064                if (value != null)
065                        value = value.toString();
066                return value;
067        }
068}