StringXmlAdapter.java

/*******************************************************************************
 * 
 * Copyright 2010 Alexandru Craciun, and individual contributors as indicated
 * by the @authors tag. 
 * 
 * This 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 3 of
 * the License, or (at your option) any later version.
 * 
 * This software 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 software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 ******************************************************************************/
package org.netxilia.api.utils;

import java.lang.reflect.Constructor;

import javax.xml.bind.annotation.adapters.XmlAdapter;

public class StringXmlAdapter<BoundType> extends XmlAdapter<String, BoundType> {
	private final Constructor<BoundType> constructor;

	public StringXmlAdapter(Class<BoundType> clazz) {
		super();
		try {
			constructor = clazz.getConstructor(String.class);
		} catch (Exception e) {
			throw new IllegalArgumentException(e);
		}
	}

	@Override
	public String marshal(BoundType v) throws Exception {
		return v != null ? v.toString() : null;
	}

	@Override
	public BoundType unmarshal(String v) throws Exception {
		return constructor.newInstance(v);
	}

}