String2Document.java

/**
 *   GRANITE DATA SERVICES
 *   Copyright (C) 2006-2015 GRANITE DATA SERVICES S.A.S.
 *
 *   This file is part of the Granite Data Services Platform.
 *
 *   Granite Data Services is free software; you can redistribute it and/or
 *   modify it under the terms of the GNU Lesser General Public
 *   License as published by the Free Software Foundation; either
 *   version 2.1 of the License, or (at your option) any later version.
 *
 *   Granite Data Services is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
 *   General Public License for more details.
 *
 *   You should have received a copy of the GNU Lesser General Public
 *   License along with this library; if not, write to the Free Software
 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
 *   USA, or see <http://www.gnu.org/licenses/>.
 */
package org.granite.messaging.amf.io.convert.impl;

import java.lang.reflect.Type;

import org.granite.messaging.amf.io.convert.Converter;
import org.granite.messaging.amf.io.convert.Converters;
import org.granite.util.TypeUtil;
import org.granite.util.XMLUtil;
import org.granite.util.XMLUtilFactory;
import org.w3c.dom.Document;

/**
 * @author Franck WOLFF
 */
public class String2Document extends Converter {
	
	private final XMLUtil xmlUtil = XMLUtilFactory.getXMLUtil();

    public String2Document(Converters converters) {
        super(converters);
    }

    @Override
	protected boolean internalCanConvert(Object value, Type targetType) {
    	Class<?> targetClass = TypeUtil.classOfType(targetType);
        return
            (targetClass.equals(Document.class)) &&
            (value == null || (value instanceof String));
    }

    @Override
	protected Object internalConvert(Object value, Type targetType) {
    	return (value == null ? null : xmlUtil.buildDocument((String)value));
    }
}