package com.thinkgem.jeesite.common.xstream;

import java.util.Date;

import com.thinkgem.jeesite.common.utils.DateUtils;
import com.thoughtworks.xstream.converters.Converter;
import com.thoughtworks.xstream.converters.MarshallingContext;
import com.thoughtworks.xstream.converters.UnmarshallingContext;
import com.thoughtworks.xstream.io.HierarchicalStreamReader;
import com.thoughtworks.xstream.io.HierarchicalStreamWriter;

/**
 * XStream 日期转换类
 * @author WangZhen
 */
public class DateTimeConverter implements Converter {
	
	public void marshal(Object source, HierarchicalStreamWriter writer, MarshallingContext context) {
		Date date = (Date) source;
		if (date != null){
			writer.setValue(DateUtils.formatDateTime(date));
		}else{
			writer.setValue("");
		}
	}

	public Object unmarshal(HierarchicalStreamReader reader, UnmarshallingContext context) {
		try{
			Date date = DateUtils.parseDate(reader.getValue());
			return date;
		}catch (Exception e) {
			return null;
		}
	}

	@SuppressWarnings("rawtypes")
	public boolean canConvert(Class type) {
		return type.equals(Date.class);
	}
	
}